diff --git a/NdkDevelopment/Screenbrightness/.gitignore b/NdkDevelopment/Screenbrightness/.gitignore
new file mode 100644
index 0000000000000000000000000000000000000000..e2713a2779c5a3e0eb879efe6115455592caeea5
--- /dev/null
+++ b/NdkDevelopment/Screenbrightness/.gitignore
@@ -0,0 +1,6 @@
+/node_modules
+/oh_modules
+/.preview
+/build
+/.cxx
+/.test
\ No newline at end of file
diff --git a/NdkDevelopment/Screenbrightness/build-profile.json5 b/NdkDevelopment/Screenbrightness/build-profile.json5
new file mode 100644
index 0000000000000000000000000000000000000000..1d15b2984ca1ef176735bc5bc4857df468ff00da
--- /dev/null
+++ b/NdkDevelopment/Screenbrightness/build-profile.json5
@@ -0,0 +1,49 @@
+// FAQ:如何在Native侧直接使用其他模块的ArkTS方法
+{
+  "apiType": "stageMode",
+  // [Start load_module_option]
+  "buildOption": {
+    "externalNativeOptions": {
+      "path": "./src/main/cpp/CMakeLists.txt",
+      "arguments": "",
+      "cppFlags": "",
+    },
+    "arkOptions": {
+      "runtimeOnly": {
+        "sources": [
+          "./src/main/ets/pages/Test.ets"
+        ]
+      }
+    },
+  },
+  // [End load_module_option]
+  "buildOptionSet": [
+    {
+      "name": "release",
+      "arkOptions": {
+        "obfuscation": {
+          "ruleOptions": {
+            "enable": false,
+            "files": [
+              "./obfuscation-rules.txt"
+            ]
+          }
+        }
+      },
+      "nativeLib": {
+        "debugSymbol": {
+          "strip": true,
+          "exclude": []
+        }
+      }
+    },
+  ],
+  "targets": [
+    {
+      "name": "default"
+    },
+    {
+      "name": "ohosTest",
+    }
+  ]
+}
\ No newline at end of file
diff --git a/NdkDevelopment/Screenbrightness/hvigorfile.ts b/NdkDevelopment/Screenbrightness/hvigorfile.ts
new file mode 100644
index 0000000000000000000000000000000000000000..c6edcd90486dd5a853cf7d34c8647f08414ca7a3
--- /dev/null
+++ b/NdkDevelopment/Screenbrightness/hvigorfile.ts
@@ -0,0 +1,6 @@
+import { hapTasks } from '@ohos/hvigor-ohos-plugin';
+
+export default {
+    system: hapTasks,  /* Built-in plugin of Hvigor. It cannot be modified. */
+    plugins:[]         /* Custom plugin to extend the functionality of Hvigor. */
+}
diff --git a/NdkDevelopment/Screenbrightness/libs/arm64-v8a/libapplication.so b/NdkDevelopment/Screenbrightness/libs/arm64-v8a/libapplication.so
new file mode 100644
index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391
diff --git a/NdkDevelopment/Screenbrightness/libs/arm64-v8a/libimportthirdpartylibraries.so b/NdkDevelopment/Screenbrightness/libs/arm64-v8a/libimportthirdpartylibraries.so
new file mode 100644
index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391
diff --git a/NdkDevelopment/Screenbrightness/obfuscation-rules.txt b/NdkDevelopment/Screenbrightness/obfuscation-rules.txt
new file mode 100644
index 0000000000000000000000000000000000000000..272efb6ca3f240859091bbbfc7c5802d52793b0b
--- /dev/null
+++ b/NdkDevelopment/Screenbrightness/obfuscation-rules.txt
@@ -0,0 +1,23 @@
+# Define project specific obfuscation rules here.
+# You can include the obfuscation configuration files in the current module's build-profile.json5.
+#
+# For more details, see
+#   https://developer.huawei.com/consumer/cn/doc/harmonyos-guides-V5/source-obfuscation-V5
+
+# Obfuscation options:
+# -disable-obfuscation: disable all obfuscations
+# -enable-property-obfuscation: obfuscate the property names
+# -enable-toplevel-obfuscation: obfuscate the names in the global scope
+# -compact: remove unnecessary blank spaces and all line feeds
+# -remove-log: remove all console.* statements
+# -print-namecache: print the name cache that contains the mapping from the old names to new names
+# -apply-namecache: reuse the given cache file
+
+# Keep options:
+# -keep-property-name: specifies property names that you want to keep
+# -keep-global-name: specifies names that you want to keep in the global scope
+
+-enable-property-obfuscation
+-enable-toplevel-obfuscation
+-enable-filename-obfuscation
+-enable-export-obfuscation
\ No newline at end of file
diff --git a/NdkDevelopment/Screenbrightness/oh-package-lock.json5 b/NdkDevelopment/Screenbrightness/oh-package-lock.json5
new file mode 100644
index 0000000000000000000000000000000000000000..aa3fe25012e754b496a06c865feb4f18c8115fdd
--- /dev/null
+++ b/NdkDevelopment/Screenbrightness/oh-package-lock.json5
@@ -0,0 +1,39 @@
+{
+  "meta": {
+    "stableOrder": true
+  },
+  "lockfileVersion": 3,
+  "ATTENTION": "THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.",
+  "specifiers": {
+    "libapplication.so@src/main/cpp/types/libapplication": "libapplication.so@src/main/cpp/types/libapplication",
+    "libfuncencapsulation.so@src/main/cpp/types/libfuncencapsulation": "libfuncencapsulation.so@src/main/cpp/types/libfuncencapsulation",
+    "libimportthirdpartylibraries.so@src/main/cpp/types/libimportthirdpartylibraries": "libimportthirdpartylibraries.so@src/main/cpp/types/libimportthirdpartylibraries",
+    "libscreenbrightness.so@src/main/cpp/types/libscreenbrightness": "libscreenbrightness.so@src/main/cpp/types/libscreenbrightness"
+  },
+  "packages": {
+    "libapplication.so@src/main/cpp/types/libapplication": {
+      "name": "libapplication.so",
+      "version": "1.0.0",
+      "resolved": "src/main/cpp/types/libapplication",
+      "registryType": "local"
+    },
+    "libfuncencapsulation.so@src/main/cpp/types/libfuncencapsulation": {
+      "name": "libfuncencapsulation.so",
+      "version": "1.0.0",
+      "resolved": "src/main/cpp/types/libfuncencapsulation",
+      "registryType": "local"
+    },
+    "libimportthirdpartylibraries.so@src/main/cpp/types/libimportthirdpartylibraries": {
+      "name": "libimportthirdpartylibraries.so",
+      "version": "1.0.0",
+      "resolved": "src/main/cpp/types/libimportthirdpartylibraries",
+      "registryType": "local"
+    },
+    "libscreenbrightness.so@src/main/cpp/types/libscreenbrightness": {
+      "name": "libscreenbrightness.so",
+      "version": "1.0.0",
+      "resolved": "src/main/cpp/types/libscreenbrightness",
+      "registryType": "local"
+    }
+  }
+}
\ No newline at end of file
diff --git a/NdkDevelopment/Screenbrightness/oh-package.json5 b/NdkDevelopment/Screenbrightness/oh-package.json5
new file mode 100644
index 0000000000000000000000000000000000000000..fd9bf069393b5a08c47a08bf64611ad363123cfc
--- /dev/null
+++ b/NdkDevelopment/Screenbrightness/oh-package.json5
@@ -0,0 +1,14 @@
+{
+  "name": "screenbrightness",
+  "version": "1.0.0",
+  "description": "Please describe the basic information.",
+  "main": "",
+  "author": "",
+  "license": "",
+  "dependencies": {
+    "libscreenbrightness.so": "file:./src/main/cpp/types/libscreenbrightness",
+    "libfuncencapsulation.so": "file:./src/main/cpp/types/libfuncencapsulation",
+    "libimportthirdpartylibraries.so": "file:./src/main/cpp/types/libimportthirdpartylibraries",
+    "libapplication.so": "file:./src/main/cpp/types/libapplication"
+  }
+}
\ No newline at end of file
diff --git a/NdkDevelopment/Screenbrightness/src/main/cpp/CMakeLists.txt b/NdkDevelopment/Screenbrightness/src/main/cpp/CMakeLists.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f65ebb9776d93bd17c92b147f06cd6de96031c70
--- /dev/null
+++ b/NdkDevelopment/Screenbrightness/src/main/cpp/CMakeLists.txt
@@ -0,0 +1,27 @@
+# FAQ:如何在Native侧获取屏幕亮度
+# FAQ:如何在Native侧添加debug版本声明
+# the minimum version of CMake.
+cmake_minimum_required(VERSION 3.5.0)
+project(NdkDevelopment)
+
+set(NATIVERENDER_ROOT_PATH ${CMAKE_CURRENT_SOURCE_DIR})
+
+if(DEFINED PACKAGE_FIND_FILE)
+    include(${PACKAGE_FIND_FILE})
+endif()
+
+#[Start native_debug]
+if(CMAKE_BUILD_TYPE STREQUAL Debug)
+    add_definitions(-D_DEBUG)
+endif()
+#[End native_debug]
+
+include_directories(${NATIVERENDER_ROOT_PATH}
+                    ${NATIVERENDER_ROOT_PATH}/include)
+
+add_library(screenbrightness SHARED napi_init.cpp)
+add_library(funcencapsulation SHARED napi_native_class.cpp)
+# [Start screen_brightness_index]
+# Screenbrightness/src/main/cpp/CMakeLists.txt
+target_link_libraries(screenbrightness PUBLIC libace_napi.z.so libhilog_ndk.z.so)
+# [End screen_brightness_index]
\ No newline at end of file
diff --git a/NdkDevelopment/Screenbrightness/src/main/cpp/DefDebug.cpp b/NdkDevelopment/Screenbrightness/src/main/cpp/DefDebug.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..b2a84c24622d482c2061bc18fb98f09ea579b8a7
--- /dev/null
+++ b/NdkDevelopment/Screenbrightness/src/main/cpp/DefDebug.cpp
@@ -0,0 +1,20 @@
+//
+// Created on 2025/5/21.
+//
+// Node APIs are not fully supported. To solve the compilation error of the interface cannot be found,
+// please include "napi/native_api.h".
+//FAQ:如何在Native侧添加debug版本声明
+//[Start native_debug_cpp]
+#include "napi/native_api.h" 
+#include "hilog/log.h" 
+#define LOG_TAG "Pure" 
+ 
+static napi_value DefDebug(napi_env env, napi_callback_info info) { 
+#ifdef _DEBUG 
+    OH_LOG_INFO(LOG_APP, "debug enter Project"); 
+#else 
+    OH_LOG_INFO(LOG_APP, "release enter Project"); 
+#endif 
+    return nullptr; 
+}
+//[End native_debug_cpp]
\ No newline at end of file
diff --git a/NdkDevelopment/Screenbrightness/src/main/cpp/WriteFile.h b/NdkDevelopment/Screenbrightness/src/main/cpp/WriteFile.h
new file mode 100644
index 0000000000000000000000000000000000000000..7f0f67c5fcc93b57d55f6dc70de8356586c1fffa
--- /dev/null
+++ b/NdkDevelopment/Screenbrightness/src/main/cpp/WriteFile.h
@@ -0,0 +1,16 @@
+//
+// Created on 2025/5/21.
+//
+// Node APIs are not fully supported. To solve the compilation error of the interface cannot be found,
+// please include "napi/native_api.h".
+#include "napi/native_api.h"
+
+#ifndef NDKDEVELOPMENT_WRITEFILE_H
+#define NDKDEVELOPMENT_WRITEFILE_H
+
+class WriteFile {
+    public:
+    static napi_value WriteTemporaryFile(napi_env env, napi_callback_info info);
+};
+
+#endif //NDKDEVELOPMENT_WRITEFILE_H
diff --git a/NdkDevelopment/Screenbrightness/src/main/cpp/napi_get_env.cpp b/NdkDevelopment/Screenbrightness/src/main/cpp/napi_get_env.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..96ec297aef6e54f88a47385c75b40b4160705b37
--- /dev/null
+++ b/NdkDevelopment/Screenbrightness/src/main/cpp/napi_get_env.cpp
@@ -0,0 +1,71 @@
+//
+// Created on 2025/5/21.
+//
+// Node APIs are not fully supported. To solve the compilation error of the interface cannot be found,
+// please include "napi/native_api.h".
+//FAQ:NAPI执行上层回调时，如何获取env
+// [Start get_env]
+#include "napi/native_api.h" 
+#include <thread> 
+#include "hilog/log.h" 
+ 
+napi_ref cbObj = nullptr; 
+// Thread safety function
+napi_threadsafe_function tsfn; 
+// Native side Value Value 
+static int cValue; 
+ 
+ 
+// Subthread running function
+static void CallJs(napi_env env, napi_value js_cb, void *context, void *data) { 
+    std::thread::id this_id = std::this_thread::get_id(); 
+    OH_LOG_INFO(LOG_APP, "threadId3 is +%{public}d", this_id); 
+    // Get reference value
+    napi_get_reference_value(env, cbObj, &js_cb); 
+ 
+    // Create an ArkTS number as an input parameter for the ArkTS function. 
+    napi_value argv; 
+    napi_create_int32(env, cValue, &argv); 
+ 
+    napi_value result = nullptr; 
+    napi_call_function(env, nullptr, js_cb, 1, &argv, &result); 
+ 
+    napi_get_value_int32(env, result, &cValue); 
+ 
+    napi_delete_reference(env, cbObj); 
+} 
+ 
+// Native main thread
+static napi_value ThreadsTest(napi_env env, napi_callback_info info) { 
+    // The number of parameters obtained from ArkTS side
+    size_t argc = 1; 
+    napi_value js_cb, work_name; 
+ 
+    // Get ArkTS parameters
+    napi_get_cb_info(env, info, &argc, &js_cb, nullptr, nullptr); 
+ 
+    // Napi_ref cbObj pointing to napi_value js_cb 
+    napi_create_reference(env, js_cb, 1, &cbObj); 
+ 
+    // Create workname using UTF8 encoded C string data 
+    napi_create_string_utf8(env, "Work Item", NAPI_AUTO_LENGTH, &work_name); 
+ 
+    // Create thread safe function
+    napi_create_threadsafe_function(env, js_cb, NULL, work_name, 0, 1, NULL, NULL, NULL, CallJs, &tsfn); 
+ 
+    std::thread::id this_id = std::this_thread::get_id(); 
+    OH_LOG_INFO(LOG_APP, "threadId1 is +%{public}d", this_id); 
+ 
+    // Calling thread safe functions in other threads 
+    std::thread t([]() { 
+        // Can obtain thread ID
+        std::thread::id this_id = std::this_thread::get_id(); 
+        OH_LOG_INFO(LOG_APP, "threadId2 is +%{public}d", this_id); 
+        napi_acquire_threadsafe_function(tsfn); 
+        napi_call_threadsafe_function(tsfn, NULL, napi_tsfn_blocking); 
+    }); 
+    t.detach(); 
+ 
+    return NULL; 
+}
+// [End get_env]
\ No newline at end of file
diff --git a/NdkDevelopment/Screenbrightness/src/main/cpp/napi_init.cpp b/NdkDevelopment/Screenbrightness/src/main/cpp/napi_init.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..080bf24f41f4c150e6473d3363e188c55bf395be
--- /dev/null
+++ b/NdkDevelopment/Screenbrightness/src/main/cpp/napi_init.cpp
@@ -0,0 +1,76 @@
+// FAQ:如何在Native侧获取屏幕亮度
+// [Start screen_brightness_cpp]
+// Screenbrightness/src/main/cpp/napi_init.cpp
+#include "hilog/log.h"
+#include "napi/native_api.h"
+#include <string>
+
+
+#define LOG_TAG "Pure"
+
+
+static napi_value Success(napi_env env, napi_callback_info info) {
+    size_t argc = 1;
+    napi_value args[1] = {nullptr};
+    napi_get_cb_info(env, info, &argc, args, nullptr, nullptr);
+    napi_value obj = args[0];
+    napi_value key;
+    napi_value rv;
+    std::string x = "value";
+    napi_create_string_utf8(env, x.c_str(), 5, &key);
+    napi_get_property(env, obj, key, &rv);
+    uint32_t result;
+    napi_get_value_uint32(env, rv, &result);
+    OH_LOG_INFO(LOG_APP, "napi get brightness %{public}d", result);
+    return nullptr;
+};
+static napi_value Fail(napi_env env, napi_callback_info info) { return nullptr; };
+static napi_value Complete(napi_env env, napi_callback_info info) { return nullptr; };
+static napi_value NapiLoadModule(napi_env env, napi_callback_info info) {
+    napi_value result;
+    size_t argc = 1;
+    napi_value args[1] = {nullptr};
+    napi_status get = napi_get_cb_info(env, info, &argc, args, nullptr, nullptr);
+    char path[64] = {0};
+    size_t typeLen = 0;
+    napi_get_value_string_utf8(env, args[0], path, sizeof(path), &typeLen);
+    napi_status status = napi_load_module(env, path, &result);
+    if (status != napi_ok) {
+        OH_LOG_ERROR(LOG_APP, "napi_load_module failed");
+        return nullptr;
+    }
+    napi_value outputObject;
+    napi_get_named_property(env, result, "getValue", &outputObject);
+    napi_value arg;
+    napi_create_object(env, &arg);
+    napi_property_descriptor desc[] = {
+        {"success", nullptr, Success, nullptr, nullptr, nullptr, napi_default, nullptr},
+        {"fail", nullptr, Fail, nullptr, nullptr, nullptr, napi_default, nullptr},
+        {"complete", nullptr, Complete, nullptr, nullptr, nullptr, napi_default, nullptr}};
+    napi_define_properties(env, arg, sizeof(desc) / sizeof(desc[0]), desc);
+    napi_call_function(env, result, outputObject, 1, &arg, nullptr);
+    return result;
+};
+
+EXTERN_C_START
+static napi_value Init(napi_env env, napi_value exports) {
+    napi_property_descriptor desc[] = {
+        {"napiLoadModule", nullptr, NapiLoadModule, nullptr, nullptr, nullptr, napi_default, nullptr},
+    };
+    napi_define_properties(env, exports, sizeof(desc) / sizeof(desc[0]), desc);
+    return exports;
+}
+EXTERN_C_END
+
+
+static napi_module demoModule = {
+    .nm_version = 1,
+    .nm_flags = 0,
+    .nm_filename = nullptr,
+    .nm_register_func = Init,
+    .nm_modname = "screenbrightness",
+    .nm_priv = ((void *)0),
+    .reserved = {0},
+};
+extern "C" __attribute__((constructor)) void RegisterScreenBrightnessModule(void) { napi_module_register(&demoModule); }
+// [End screen_brightness_cpp]
\ No newline at end of file
diff --git a/NdkDevelopment/Screenbrightness/src/main/cpp/napi_load_module.cpp b/NdkDevelopment/Screenbrightness/src/main/cpp/napi_load_module.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..1879cbddfa560989fa21cea073924b751915e38c
--- /dev/null
+++ b/NdkDevelopment/Screenbrightness/src/main/cpp/napi_load_module.cpp
@@ -0,0 +1,28 @@
+//
+// Created on 2025/5/21.
+//
+// Node APIs are not fully supported. To solve the compilation error of the interface cannot be found,
+// please include "napi/native_api.h".
+// FAQ:如何在Native侧直接使用其他模块的ArkTS方法
+// [Start load_module_cpp]
+#include "napi/native_api.h" 
+#include <string> 
+ 
+static napi_value LoadModule(napi_env env, napi_callback_info info) { 
+    napi_value result; 
+    // 1. Load modules from the Test file using napi_load_module
+    napi_status status = napi_load_module(env, "ets/pages/Test", &result); 
+    napi_value testFn; 
+    // 2. Use napi_get_named_property to obtain the test function
+    napi_get_named_property(env, result, "test", &testFn); 
+    // 3. Call the function test using napi_call_function
+    napi_call_function(env, result, testFn, 0, nullptr, nullptr); 
+    napi_value value; 
+    napi_value key; 
+    std::string keyStr = "value"; 
+    napi_create_string_utf8(env, keyStr.c_str(), keyStr.size(), &key); 
+    // 4. Get variable value using napi_get_propey 
+    napi_get_property(env, result, key, &value); 
+    return value; 
+}
+// [End load_module_cpp]
\ No newline at end of file
diff --git a/NdkDevelopment/Screenbrightness/src/main/cpp/napi_native_class.cpp b/NdkDevelopment/Screenbrightness/src/main/cpp/napi_native_class.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..24fd504d36fccece1daf4ee34e1780a949b9d01f
--- /dev/null
+++ b/NdkDevelopment/Screenbrightness/src/main/cpp/napi_native_class.cpp
@@ -0,0 +1,71 @@
+//
+// Created on 2025/5/21.
+//
+// Node APIs are not fully supported. To solve the compilation error of the interface cannot be found,
+// please include "napi/native_api.h".
+//FAQ:如何将Native侧的函数封装到类中导出到ArkTS侧使用
+//[Start native_class_cpp]
+#include "napi/native_api.h" 
+#include <string> 
+ 
+static napi_value Sub(napi_env env, napi_callback_info info) { 
+    size_t requireArgc = 2; 
+    size_t argc = 2; 
+    napi_value args[2] = {nullptr}; 
+    napi_get_cb_info(env, info, &argc, args, nullptr, nullptr); 
+    napi_valuetype valuetype0; 
+    napi_typeof(env, args[0], &valuetype0); 
+    napi_valuetype valuetype1; 
+    napi_typeof(env, args[1], &valuetype1); 
+    double value0; 
+    napi_get_value_double(env, args[0], &value0); 
+    double value1; 
+    napi_get_value_double(env, args[1], &value1); 
+    napi_value sub; 
+    napi_create_double(env, value0 - value1, &sub); 
+    return sub; 
+} 
+static napi_value Sum(napi_env env, napi_callback_info info) { 
+    size_t requireArgc = 2; 
+    size_t argc = 2; 
+    napi_value args[2] = {nullptr}; 
+    napi_get_cb_info(env, info, &argc, args, nullptr, nullptr); 
+    napi_valuetype valuetype0; 
+    napi_typeof(env, args[0], &valuetype0); 
+    napi_valuetype valuetype1; 
+    napi_typeof(env, args[1], &valuetype1); 
+    double value0; 
+    napi_get_value_double(env, args[0], &value0); 
+    double value1; 
+    napi_get_value_double(env, args[1], &value1); 
+    napi_value sum; 
+    napi_create_double(env, value0 + value1, &sum); 
+    return sum; 
+} 
+napi_value Constructor(napi_env env, napi_callback_info info) { return nullptr; } 
+EXTERN_C_START 
+static napi_value Init(napi_env env, napi_value exports) { 
+    std::string class_name = "TestEntryA"; 
+    napi_property_descriptor desc[] = {{"sub", nullptr, Sub, nullptr, nullptr, nullptr, napi_static, nullptr}, 
+                                       {"sum", nullptr, Sum, nullptr, nullptr, nullptr, napi_static, nullptr}}; 
+    napi_value defined_class = nullptr; 
+    napi_define_class(env, class_name.c_str(), class_name.length(), Constructor, nullptr, 2, desc, &defined_class); 
+    const napi_property_descriptor exports_desc[] = { 
+        {class_name.c_str(), nullptr, nullptr, nullptr, nullptr, defined_class, napi_default, nullptr}, 
+    }; 
+    napi_define_properties(env, exports, 2, exports_desc); 
+    return exports; 
+} 
+EXTERN_C_END
+//[End native_class_cpp]
+
+static napi_module demoModule = {
+    .nm_version = 1,
+    .nm_flags = 0,
+    .nm_filename = nullptr,
+    .nm_register_func = Init,
+    .nm_modname = "funcencapsulation",
+    .nm_priv = ((void *)0),
+    .reserved = {0},
+};
+extern "C" __attribute__((constructor)) void RegisterScreenBrightnessModule(void) { napi_module_register(&demoModule); }
\ No newline at end of file
diff --git a/NdkDevelopment/Screenbrightness/src/main/cpp/types/libapplication/Index.d.ts b/NdkDevelopment/Screenbrightness/src/main/cpp/types/libapplication/Index.d.ts
new file mode 100644
index 0000000000000000000000000000000000000000..4b23059d7faf64abdff7517129e81f4a04a180b9
--- /dev/null
+++ b/NdkDevelopment/Screenbrightness/src/main/cpp/types/libapplication/Index.d.ts
@@ -0,0 +1 @@
+export const add: (a: number, b: number) => number;
diff --git a/NdkDevelopment/Screenbrightness/src/main/cpp/types/libapplication/oh-package.json5 b/NdkDevelopment/Screenbrightness/src/main/cpp/types/libapplication/oh-package.json5
new file mode 100644
index 0000000000000000000000000000000000000000..efff24b1a77cb062e6e4644d46de9e5913a67d68
--- /dev/null
+++ b/NdkDevelopment/Screenbrightness/src/main/cpp/types/libapplication/oh-package.json5
@@ -0,0 +1,6 @@
+{
+  "name": "libapplication.so",
+  "types": "./Index.d.ts",
+  "version": "1.0.0",
+  "description": "Please describe the basic information."
+}
\ No newline at end of file
diff --git a/NdkDevelopment/Screenbrightness/src/main/cpp/types/libfuncencapsulation/Index.d.ts b/NdkDevelopment/Screenbrightness/src/main/cpp/types/libfuncencapsulation/Index.d.ts
new file mode 100644
index 0000000000000000000000000000000000000000..c14b0e1dc6e4e3c95ba86e16f95871d789037f0e
--- /dev/null
+++ b/NdkDevelopment/Screenbrightness/src/main/cpp/types/libfuncencapsulation/Index.d.ts
@@ -0,0 +1,7 @@
+//FAQ:如何将Native侧的函数封装到类中导出到ArkTS侧使用
+//[Start native_class_index]
+export declare class TestEntryA {
+  static sub (a: number, b: number) : number;
+  static sum (a: number, b: number) : number;
+}
+//[End native_class_index]
\ No newline at end of file
diff --git a/NdkDevelopment/Screenbrightness/src/main/cpp/types/libfuncencapsulation/oh-package.json5 b/NdkDevelopment/Screenbrightness/src/main/cpp/types/libfuncencapsulation/oh-package.json5
new file mode 100644
index 0000000000000000000000000000000000000000..3e7091b898c280fecb65ee8610e57a95d6f6c267
--- /dev/null
+++ b/NdkDevelopment/Screenbrightness/src/main/cpp/types/libfuncencapsulation/oh-package.json5
@@ -0,0 +1,6 @@
+{
+  "name": "libfuncencapsulation.so",
+  "types": "./Index.d.ts",
+  "version": "1.0.0",
+  "description": "Please describe the basic information."
+}
\ No newline at end of file
diff --git a/NdkDevelopment/Screenbrightness/src/main/cpp/types/libimportthirdpartylibraries/Index.d.ts b/NdkDevelopment/Screenbrightness/src/main/cpp/types/libimportthirdpartylibraries/Index.d.ts
new file mode 100644
index 0000000000000000000000000000000000000000..96426940037680fd64f901e83797bc4fd2256551
--- /dev/null
+++ b/NdkDevelopment/Screenbrightness/src/main/cpp/types/libimportthirdpartylibraries/Index.d.ts
@@ -0,0 +1 @@
+export const sub: (a: number, b: number) => number;
diff --git a/NdkDevelopment/Screenbrightness/src/main/cpp/types/libimportthirdpartylibraries/oh-package.json5 b/NdkDevelopment/Screenbrightness/src/main/cpp/types/libimportthirdpartylibraries/oh-package.json5
new file mode 100644
index 0000000000000000000000000000000000000000..4bcd42537a4c74e8f003f7be2c852b3d06f86b96
--- /dev/null
+++ b/NdkDevelopment/Screenbrightness/src/main/cpp/types/libimportthirdpartylibraries/oh-package.json5
@@ -0,0 +1,6 @@
+{
+  "name": "libimportthirdpartylibraries.so",
+  "types": "./Index.d.ts",
+  "version": "1.0.0",
+  "description": "Please describe the basic information."
+}
\ No newline at end of file
diff --git a/NdkDevelopment/Screenbrightness/src/main/cpp/types/libscreenbrightness/Index.d.ts b/NdkDevelopment/Screenbrightness/src/main/cpp/types/libscreenbrightness/Index.d.ts
new file mode 100644
index 0000000000000000000000000000000000000000..d5ffd065165c0f4485d27d2e12036ffc03dee849
--- /dev/null
+++ b/NdkDevelopment/Screenbrightness/src/main/cpp/types/libscreenbrightness/Index.d.ts
@@ -0,0 +1,5 @@
+// FAQ:如何在Native侧获取屏幕亮度
+// [Start screen_brightness_index]
+// Screenbrightness/src/main/cpp/types/libscreenbrightness/Index.d.ts
+export const napiLoadModule: (a: string) => object;
+// [End screen_brightness_index]
\ No newline at end of file
diff --git a/NdkDevelopment/Screenbrightness/src/main/cpp/types/libscreenbrightness/oh-package.json5 b/NdkDevelopment/Screenbrightness/src/main/cpp/types/libscreenbrightness/oh-package.json5
new file mode 100644
index 0000000000000000000000000000000000000000..7721fda4216ea5d28880d82b6e07c69b27ce7b0e
--- /dev/null
+++ b/NdkDevelopment/Screenbrightness/src/main/cpp/types/libscreenbrightness/oh-package.json5
@@ -0,0 +1,6 @@
+{
+  "name": "libscreenbrightness.so",
+  "types": "./Index.d.ts",
+  "version": "1.0.0",
+  "description": "Please describe the basic information."
+}
\ No newline at end of file
diff --git a/NdkDevelopment/Screenbrightness/src/main/cpp/writeFile.cpp b/NdkDevelopment/Screenbrightness/src/main/cpp/writeFile.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..de3218b94c61f3f77c68ea78b31166ef7bacbc86
--- /dev/null
+++ b/NdkDevelopment/Screenbrightness/src/main/cpp/writeFile.cpp
@@ -0,0 +1,19 @@
+//
+// Created on 2025/5/21.
+//
+// Node APIs are not fully supported. To solve the compilation error of the interface cannot be found,
+// please include "napi/native_api.h".
+//FAQ:如何在Native侧往用户目录写临时文件
+//[Start write_file]
+#include "WriteFile.h" 
+#include "napi/native_api.h" 
+#include <fstream> 
+napi_value WriteFile::WriteTemporaryFile(napi_env env, napi_callback_info info) { 
+    std::ofstream file("data/storage/el2/base/temp/2.txt"); 
+    if (file.is_open()) {        // Determine if the file can be opened normally 
+        file << "Hello, World!"; // Write content to a file
+        file.close();            // close file
+    } 
+    return nullptr; 
+}
+//[End write_file]
diff --git a/NdkDevelopment/Screenbrightness/src/main/ets/pages/BundInfoPage.ets b/NdkDevelopment/Screenbrightness/src/main/ets/pages/BundInfoPage.ets
new file mode 100644
index 0000000000000000000000000000000000000000..dd4c46bf335c452ea813bc56b34615c88ce8dc9a
--- /dev/null
+++ b/NdkDevelopment/Screenbrightness/src/main/ets/pages/BundInfoPage.ets
@@ -0,0 +1,30 @@
+// FAQ:如何在Native侧获取APP版本信息
+// [Start bundle_info]
+import { bundleManager } from '@kit.AbilityKit';
+import { BusinessError } from '@kit.BasicServicesKit';
+
+@Entry
+@Component
+struct Index {
+  @State message: string = 'Hello World';
+
+  build() {
+    Row() {
+      Column() {
+        Text(this.message)
+          .fontSize(50)
+          .fontWeight(FontWeight.Bold)
+          .onClick(() => {
+            bundleManager.getBundleInfoForSelf(bundleManager.BundleFlag.GET_BUNDLE_INFO_WITH_APPLICATION).then((bundleInfo)=>{
+              let versionName = bundleInfo.versionName;//Application version name
+              let versionNo = bundleInfo.versionCode;//Application version number
+            }).catch((error : BusinessError)=>{
+              console.error("get bundleInfo failed,error is "+error)})
+          })
+      }
+      .width('100%')
+    }
+    .height('100%')
+  }
+}
+// [End bundle_info]
\ No newline at end of file
diff --git a/NdkDevelopment/Screenbrightness/src/main/ets/pages/Index.ets b/NdkDevelopment/Screenbrightness/src/main/ets/pages/Index.ets
new file mode 100644
index 0000000000000000000000000000000000000000..a2987ac3419c02387454c596fbe6e0b1a5874ba8
--- /dev/null
+++ b/NdkDevelopment/Screenbrightness/src/main/ets/pages/Index.ets
@@ -0,0 +1,27 @@
+// FAQ:如何在Native侧获取屏幕亮度
+// [Start screen_brightness_ts]
+// Screenbrightness/src/main/ets/pages/Index.ets
+import testNapi from 'libscreenbrightness.so';
+
+@Entry
+@Component
+struct Index {
+  @State message: string = 'Get Screen Brightness';
+
+
+  build() {
+    Row() {
+      Column() {
+        Text(this.message)
+          .fontSize(50)
+          .fontWeight(FontWeight.Bold)
+          .onClick(() => {
+            testNapi.napiLoadModule("@system.brightness");
+          })
+      }
+      .width('100%')
+    }
+    .height('100%')
+  }
+}
+// [End screen_brightness_ts]
\ No newline at end of file
diff --git a/NdkDevelopment/Screenbrightness/src/main/ets/pages/Test.ets b/NdkDevelopment/Screenbrightness/src/main/ets/pages/Test.ets
new file mode 100644
index 0000000000000000000000000000000000000000..6e72094a9ca51e3adb0fa7c180ef626e71ed2ffc
--- /dev/null
+++ b/NdkDevelopment/Screenbrightness/src/main/ets/pages/Test.ets
@@ -0,0 +1,9 @@
+// FAQ:如何在Native侧直接使用其他模块的ArkTS方法
+// [Start load_module_ts]
+// src/main/ets/pages/Test.ets
+let value = 123;
+function test() {
+  console.log('Hello HarmonyOS');
+}
+export {value, test};
+// [End load_module_ts]
\ No newline at end of file
diff --git a/NdkDevelopment/Screenbrightness/src/main/ets/pages/TestEntryA.ets b/NdkDevelopment/Screenbrightness/src/main/ets/pages/TestEntryA.ets
new file mode 100644
index 0000000000000000000000000000000000000000..c0be11b28c1d3250ca855296e65e3f0ef7e16c66
--- /dev/null
+++ b/NdkDevelopment/Screenbrightness/src/main/ets/pages/TestEntryA.ets
@@ -0,0 +1,25 @@
+import { TestEntryA } from 'libfuncencapsulation.so';
+//FAQ:如何将Native侧的函数封装到类中导出到ArkTS侧使用
+//[Start native_class_ts]
+@Entry
+@Component
+struct Index {
+  @State message: string = 'Function Encapsulation';
+
+  build() {
+    Row() {
+      Column() {
+        Text(this.message)
+          .fontSize(50)
+          .fontWeight(FontWeight.Bold)
+          .onClick(() => {
+            console.info(`Test NAPI 2 + 3 = ${TestEntryA.sum(2, 3)}`);
+            console.info(`Test NAPI 2 - 3 = ${TestEntryA.sub(2, 3)}`);
+          })
+      }
+      .width('100%')
+    }
+    .height('100%')
+  }
+}
+//[End native_class_ts]
\ No newline at end of file
diff --git a/NdkDevelopment/Screenbrightness/src/main/ets/pages/TestPage.ets b/NdkDevelopment/Screenbrightness/src/main/ets/pages/TestPage.ets
new file mode 100644
index 0000000000000000000000000000000000000000..5dd4d53da557404db74a099ee1a36565c23bd29a
--- /dev/null
+++ b/NdkDevelopment/Screenbrightness/src/main/ets/pages/TestPage.ets
@@ -0,0 +1,27 @@
+// FAQ:如何在ArkTS侧引用其他三方so库
+// [Start third_so]
+import testNapi from 'libimportthirdpartylibraries.so';
+import myNapi from 'libapplication.so';
+
+@Entry
+@Component
+struct Index {
+  @State message: string = 'Hello World';
+
+  build() {
+    Row() {
+      Column() {
+        Text(this.message)
+          .fontSize(50)
+          .fontWeight(FontWeight.Bold)
+          .onClick(() => {
+            console.info(`MyTest NAPI 2 + 3 = ${myNapi.add(2, 3)}`);
+            console.info(`MyTest NAPI 2 - 3 = ${testNapi.sub(2, 3)}`);
+          })
+      }
+      .width('100%')
+    }
+    .height('100%')
+  }
+}
+// [End third_so]
\ No newline at end of file
diff --git a/NdkDevelopment/Screenbrightness/src/main/ets/screenbrightnessability/ScreenbrightnessAbility.ets b/NdkDevelopment/Screenbrightness/src/main/ets/screenbrightnessability/ScreenbrightnessAbility.ets
new file mode 100644
index 0000000000000000000000000000000000000000..35e4e9f7c66ceb26301ecc900cffa33fd8b9ea12
--- /dev/null
+++ b/NdkDevelopment/Screenbrightness/src/main/ets/screenbrightnessability/ScreenbrightnessAbility.ets
@@ -0,0 +1,43 @@
+import { AbilityConstant, UIAbility, Want } from '@kit.AbilityKit';
+import { hilog } from '@kit.PerformanceAnalysisKit';
+import { window } from '@kit.ArkUI';
+
+const DOMAIN = 0x0000;
+
+export default class ScreenbrightnessAbility extends UIAbility {
+  onCreate(want: Want, launchParam: AbilityConstant.LaunchParam): void {
+    hilog.info(DOMAIN, 'testTag', '%{public}s', 'Ability onCreate');
+  }
+
+  onDestroy(): void {
+    hilog.info(DOMAIN, 'testTag', '%{public}s', 'Ability onDestroy');
+  }
+
+  onWindowStageCreate(windowStage: window.WindowStage): void {
+    // Main window is created, set main page for this ability
+    hilog.info(DOMAIN, 'testTag', '%{public}s', 'Ability onWindowStageCreate');
+
+    windowStage.loadContent('pages/Index', (err) => {
+      if (err.code) {
+        hilog.error(DOMAIN, 'testTag', 'Failed to load the content. Cause: %{public}s', JSON.stringify(err));
+        return;
+      }
+      hilog.info(DOMAIN, 'testTag', 'Succeeded in loading the content.');
+    });
+  }
+
+  onWindowStageDestroy(): void {
+    // Main window is destroyed, release UI related resources
+    hilog.info(DOMAIN, 'testTag', '%{public}s', 'Ability onWindowStageDestroy');
+  }
+
+  onForeground(): void {
+    // Ability has brought to foreground
+    hilog.info(DOMAIN, 'testTag', '%{public}s', 'Ability onForeground');
+  }
+
+  onBackground(): void {
+    // Ability has back to background
+    hilog.info(DOMAIN, 'testTag', '%{public}s', 'Ability onBackground');
+  }
+}
diff --git a/NdkDevelopment/Screenbrightness/src/main/module.json5 b/NdkDevelopment/Screenbrightness/src/main/module.json5
new file mode 100644
index 0000000000000000000000000000000000000000..dd404e6209af2f63e3a05d279d043d1ddc2d636c
--- /dev/null
+++ b/NdkDevelopment/Screenbrightness/src/main/module.json5
@@ -0,0 +1,28 @@
+{
+  "module": {
+    "name": "Screenbrightness",
+    "type": "feature",
+    "description": "$string:module_desc",
+    "mainElement": "ScreenbrightnessAbility",
+    "deviceTypes": [
+      "phone",
+      "tablet",
+      "2in1"
+    ],
+    "deliveryWithInstall": true,
+    "installationFree": false,
+    "pages": "$profile:main_pages",
+    "abilities": [
+      {
+        "name": "ScreenbrightnessAbility",
+        "srcEntry": "./ets/screenbrightnessability/ScreenbrightnessAbility.ets",
+        "description": "$string:ScreenbrightnessAbility_desc",
+        "icon": "$media:layered_image",
+        "label": "$string:ScreenbrightnessAbility_label",
+        "startWindowIcon": "$media:startIcon",
+        "startWindowBackground": "$color:start_window_background",
+        "exported": true
+      }
+    ]
+  }
+}
\ No newline at end of file
diff --git a/NdkDevelopment/Screenbrightness/src/main/resources/base/element/color.json b/NdkDevelopment/Screenbrightness/src/main/resources/base/element/color.json
new file mode 100644
index 0000000000000000000000000000000000000000..3c712962da3c2751c2b9ddb53559afcbd2b54a02
--- /dev/null
+++ b/NdkDevelopment/Screenbrightness/src/main/resources/base/element/color.json
@@ -0,0 +1,8 @@
+{
+  "color": [
+    {
+      "name": "start_window_background",
+      "value": "#FFFFFF"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/NdkDevelopment/Screenbrightness/src/main/resources/base/element/float.json b/NdkDevelopment/Screenbrightness/src/main/resources/base/element/float.json
new file mode 100644
index 0000000000000000000000000000000000000000..33ea22304f9b1485b5f22d811023701b5d4e35b6
--- /dev/null
+++ b/NdkDevelopment/Screenbrightness/src/main/resources/base/element/float.json
@@ -0,0 +1,8 @@
+{
+  "float": [
+    {
+      "name": "page_text_font_size",
+      "value": "50fp"
+    }
+  ]
+}
diff --git a/NdkDevelopment/Screenbrightness/src/main/resources/base/element/string.json b/NdkDevelopment/Screenbrightness/src/main/resources/base/element/string.json
new file mode 100644
index 0000000000000000000000000000000000000000..8b0d5071dbf61201c5ea4d5deb73e4c49cd774d7
--- /dev/null
+++ b/NdkDevelopment/Screenbrightness/src/main/resources/base/element/string.json
@@ -0,0 +1,16 @@
+{
+  "string": [
+    {
+      "name": "module_desc",
+      "value": "module description"
+    },
+    {
+      "name": "ScreenbrightnessAbility_desc",
+      "value": "description"
+    },
+    {
+      "name": "ScreenbrightnessAbility_label",
+      "value": "label"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/NdkDevelopment/Screenbrightness/src/main/resources/base/media/background.png b/NdkDevelopment/Screenbrightness/src/main/resources/base/media/background.png
new file mode 100644
index 0000000000000000000000000000000000000000..923f2b3f27e915d6871871deea0420eb45ce102f
Binary files /dev/null and b/NdkDevelopment/Screenbrightness/src/main/resources/base/media/background.png differ
diff --git a/NdkDevelopment/Screenbrightness/src/main/resources/base/media/foreground.png b/NdkDevelopment/Screenbrightness/src/main/resources/base/media/foreground.png
new file mode 100644
index 0000000000000000000000000000000000000000..97014d3e10e5ff511409c378cd4255713aecd85f
Binary files /dev/null and b/NdkDevelopment/Screenbrightness/src/main/resources/base/media/foreground.png differ
diff --git a/NdkDevelopment/Screenbrightness/src/main/resources/base/media/layered_image.json b/NdkDevelopment/Screenbrightness/src/main/resources/base/media/layered_image.json
new file mode 100644
index 0000000000000000000000000000000000000000..fb49920440fb4d246c82f9ada275e26123a2136a
--- /dev/null
+++ b/NdkDevelopment/Screenbrightness/src/main/resources/base/media/layered_image.json
@@ -0,0 +1,7 @@
+{
+  "layered-image":
+  {
+    "background" : "$media:background",
+    "foreground" : "$media:foreground"
+  }
+}
\ No newline at end of file
diff --git a/NdkDevelopment/Screenbrightness/src/main/resources/base/media/startIcon.png b/NdkDevelopment/Screenbrightness/src/main/resources/base/media/startIcon.png
new file mode 100644
index 0000000000000000000000000000000000000000..205ad8b5a8a42e8762fbe4899b8e5e31ce822b8b
Binary files /dev/null and b/NdkDevelopment/Screenbrightness/src/main/resources/base/media/startIcon.png differ
diff --git a/NdkDevelopment/Screenbrightness/src/main/resources/base/profile/main_pages.json b/NdkDevelopment/Screenbrightness/src/main/resources/base/profile/main_pages.json
new file mode 100644
index 0000000000000000000000000000000000000000..1898d94f58d6128ab712be2c68acc7c98e9ab9ce
--- /dev/null
+++ b/NdkDevelopment/Screenbrightness/src/main/resources/base/profile/main_pages.json
@@ -0,0 +1,5 @@
+{
+  "src": [
+    "pages/Index"
+  ]
+}
diff --git a/NdkDevelopment/Screenbrightness/src/mock/Libscreenbrightness.mock.ets b/NdkDevelopment/Screenbrightness/src/mock/Libscreenbrightness.mock.ets
new file mode 100644
index 0000000000000000000000000000000000000000..c2171716d040a605ef6af71e90b937a945f2677d
--- /dev/null
+++ b/NdkDevelopment/Screenbrightness/src/mock/Libscreenbrightness.mock.ets
@@ -0,0 +1,7 @@
+const NativeMock: Record<string, Object> = {
+  'add': (a: number, b: number) => {
+    return a + b;
+  },
+};
+
+export default NativeMock;
\ No newline at end of file
diff --git a/NdkDevelopment/Screenbrightness/src/mock/mock-config.json5 b/NdkDevelopment/Screenbrightness/src/mock/mock-config.json5
new file mode 100644
index 0000000000000000000000000000000000000000..138bb4cc1842e1d9027ae5ebbce93607f64eda2d
--- /dev/null
+++ b/NdkDevelopment/Screenbrightness/src/mock/mock-config.json5
@@ -0,0 +1,5 @@
+{
+  "libscreenbrightness.so": {
+    "source": "src/mock/Libscreenbrightness.mock.ets"
+  }
+}
\ No newline at end of file
diff --git a/NdkDevelopment/Screenbrightness/src/ohosTest/ets/test/Ability.test.ets b/NdkDevelopment/Screenbrightness/src/ohosTest/ets/test/Ability.test.ets
new file mode 100644
index 0000000000000000000000000000000000000000..85c78f67579d6e31b5f5aeea463e216b9b141048
--- /dev/null
+++ b/NdkDevelopment/Screenbrightness/src/ohosTest/ets/test/Ability.test.ets
@@ -0,0 +1,35 @@
+import { hilog } from '@kit.PerformanceAnalysisKit';
+import { describe, beforeAll, beforeEach, afterEach, afterAll, it, expect } from '@ohos/hypium';
+
+export default function abilityTest() {
+  describe('ActsAbilityTest', () => {
+    // Defines a test suite. Two parameters are supported: test suite name and test suite function.
+    beforeAll(() => {
+      // Presets an action, which is performed only once before all test cases of the test suite start.
+      // This API supports only one parameter: preset action function.
+    })
+    beforeEach(() => {
+      // Presets an action, which is performed before each unit test case starts.
+      // The number of execution times is the same as the number of test cases defined by **it**.
+      // This API supports only one parameter: preset action function.
+    })
+    afterEach(() => {
+      // Presets a clear action, which is performed after each unit test case ends.
+      // The number of execution times is the same as the number of test cases defined by **it**.
+      // This API supports only one parameter: clear action function.
+    })
+    afterAll(() => {
+      // Presets a clear action, which is performed after all test cases of the test suite end.
+      // This API supports only one parameter: clear action function.
+    })
+    it('assertContain', 0, () => {
+      // Defines a test case. This API supports three parameters: test case name, filter parameter, and test case function.
+      hilog.info(0x0000, 'testTag', '%{public}s', 'it begin');
+      let a = 'abc';
+      let b = 'b';
+      // Defines a variety of assertion methods, which are used to declare expected boolean conditions.
+      expect(a).assertContain(b);
+      expect(a).assertEqual(a);
+    })
+  })
+}
\ No newline at end of file
diff --git a/NdkDevelopment/Screenbrightness/src/ohosTest/ets/test/List.test.ets b/NdkDevelopment/Screenbrightness/src/ohosTest/ets/test/List.test.ets
new file mode 100644
index 0000000000000000000000000000000000000000..794c7dc4ed66bd98fa3865e07922906e2fcef545
--- /dev/null
+++ b/NdkDevelopment/Screenbrightness/src/ohosTest/ets/test/List.test.ets
@@ -0,0 +1,5 @@
+import abilityTest from './Ability.test';
+
+export default function testsuite() {
+  abilityTest();
+}
\ No newline at end of file
diff --git a/NdkDevelopment/Screenbrightness/src/ohosTest/module.json5 b/NdkDevelopment/Screenbrightness/src/ohosTest/module.json5
new file mode 100644
index 0000000000000000000000000000000000000000..083b041cb771ccfe3a3a82702f01cc3ee77cf8e0
--- /dev/null
+++ b/NdkDevelopment/Screenbrightness/src/ohosTest/module.json5
@@ -0,0 +1,13 @@
+{
+  "module": {
+    "name": "Screenbrightness_test",
+    "type": "feature",
+    "deviceTypes": [
+      "phone",
+      "tablet",
+      "2in1"
+    ],
+    "deliveryWithInstall": true,
+    "installationFree": false
+  }
+}
diff --git a/NdkDevelopment/Screenbrightness/src/test/List.test.ets b/NdkDevelopment/Screenbrightness/src/test/List.test.ets
new file mode 100644
index 0000000000000000000000000000000000000000..bb5b5c3731e283dd507c847560ee59bde477bbc7
--- /dev/null
+++ b/NdkDevelopment/Screenbrightness/src/test/List.test.ets
@@ -0,0 +1,5 @@
+import localUnitTest from './LocalUnit.test';
+
+export default function testsuite() {
+  localUnitTest();
+}
\ No newline at end of file
diff --git a/NdkDevelopment/Screenbrightness/src/test/LocalUnit.test.ets b/NdkDevelopment/Screenbrightness/src/test/LocalUnit.test.ets
new file mode 100644
index 0000000000000000000000000000000000000000..165fc1615ee8618b4cb6a622f144a9a707eee99f
--- /dev/null
+++ b/NdkDevelopment/Screenbrightness/src/test/LocalUnit.test.ets
@@ -0,0 +1,33 @@
+import { describe, beforeAll, beforeEach, afterEach, afterAll, it, expect } from '@ohos/hypium';
+
+export default function localUnitTest() {
+  describe('localUnitTest', () => {
+    // Defines a test suite. Two parameters are supported: test suite name and test suite function.
+    beforeAll(() => {
+      // Presets an action, which is performed only once before all test cases of the test suite start.
+      // This API supports only one parameter: preset action function.
+    });
+    beforeEach(() => {
+      // Presets an action, which is performed before each unit test case starts.
+      // The number of execution times is the same as the number of test cases defined by **it**.
+      // This API supports only one parameter: preset action function.
+    });
+    afterEach(() => {
+      // Presets a clear action, which is performed after each unit test case ends.
+      // The number of execution times is the same as the number of test cases defined by **it**.
+      // This API supports only one parameter: clear action function.
+    });
+    afterAll(() => {
+      // Presets a clear action, which is performed after all test cases of the test suite end.
+      // This API supports only one parameter: clear action function.
+    });
+    it('assertContain', 0, () => {
+      // Defines a test case. This API supports three parameters: test case name, filter parameter, and test case function.
+      let a = 'abc';
+      let b = 'b';
+      // Defines a variety of assertion methods, which are used to declare expected boolean conditions.
+      expect(a).assertContain(b);
+      expect(a).assertEqual(a);
+    });
+  });
+}
\ No newline at end of file
diff --git a/NdkDevelopment/build-profile.json5 b/NdkDevelopment/build-profile.json5
index 03ac3a3ae9dd397844173066e5d5ee21b49455a1..ff8ff979fe2188006d40d82efd498727316e37e6 100644
--- a/NdkDevelopment/build-profile.json5
+++ b/NdkDevelopment/build-profile.json5
@@ -36,6 +36,42 @@
           ]
         }
       ]
+    },
+    {
+      "name": "cpplib",
+      "srcPath": "./cpplib",
+      "targets": [
+        {
+          "name": "default",
+          "applyToProducts": [
+            "default"
+          ]
+        }
+      ]
+    },
+    {
+      "name": "Screenbrightness",
+      "srcPath": "./Screenbrightness",
+      "targets": [
+        {
+          "name": "default",
+          "applyToProducts": [
+            "default"
+          ]
+        }
+      ]
+    },
+    {
+      "name": "libcpp1",
+      "srcPath": "./libcpp1",
+      "targets": [
+        {
+          "name": "default",
+          "applyToProducts": [
+            "default"
+          ]
+        }
+      ]
     }
   ]
 }
\ No newline at end of file
diff --git a/NdkDevelopment/cpplib/.gitignore b/NdkDevelopment/cpplib/.gitignore
new file mode 100644
index 0000000000000000000000000000000000000000..e2713a2779c5a3e0eb879efe6115455592caeea5
--- /dev/null
+++ b/NdkDevelopment/cpplib/.gitignore
@@ -0,0 +1,6 @@
+/node_modules
+/oh_modules
+/.preview
+/build
+/.cxx
+/.test
\ No newline at end of file
diff --git a/NdkDevelopment/cpplib/build-profile.json5 b/NdkDevelopment/cpplib/build-profile.json5
new file mode 100644
index 0000000000000000000000000000000000000000..ae7e98617afa8689201ca7b6cef3f7bf4e98d916
--- /dev/null
+++ b/NdkDevelopment/cpplib/build-profile.json5
@@ -0,0 +1,43 @@
+//FAQ:如何修改代码工程所支持的C++语言版本
+{
+  "apiType": "stageMode",
+  // [Start cpp_flag]
+  "buildOption": {
+    "externalNativeOptions": {
+      "path": "./src/main/cpp/CMakeLists.txt",
+      "arguments": "",
+      // Modify the following line
+      "cppFlags": "--std=c++17"
+    },
+    // [End cpp_flag]
+  },
+  "buildOptionSet": [
+    {
+      "name": "release",
+      "arkOptions": {
+        "obfuscation": {
+          "ruleOptions": {
+            "enable": false,
+            "files": [
+              "./obfuscation-rules.txt"
+            ]
+          }
+        }
+      },
+      "nativeLib": {
+        "debugSymbol": {
+          "strip": true,
+          "exclude": []
+        }
+      }
+    },
+  ],
+  "targets": [
+    {
+      "name": "default"
+    },
+    {
+      "name": "ohosTest",
+    }
+  ]
+}
\ No newline at end of file
diff --git a/NdkDevelopment/cpplib/hvigorfile.ts b/NdkDevelopment/cpplib/hvigorfile.ts
new file mode 100644
index 0000000000000000000000000000000000000000..c6edcd90486dd5a853cf7d34c8647f08414ca7a3
--- /dev/null
+++ b/NdkDevelopment/cpplib/hvigorfile.ts
@@ -0,0 +1,6 @@
+import { hapTasks } from '@ohos/hvigor-ohos-plugin';
+
+export default {
+    system: hapTasks,  /* Built-in plugin of Hvigor. It cannot be modified. */
+    plugins:[]         /* Custom plugin to extend the functionality of Hvigor. */
+}
diff --git a/NdkDevelopment/cpplib/obfuscation-rules.txt b/NdkDevelopment/cpplib/obfuscation-rules.txt
new file mode 100644
index 0000000000000000000000000000000000000000..272efb6ca3f240859091bbbfc7c5802d52793b0b
--- /dev/null
+++ b/NdkDevelopment/cpplib/obfuscation-rules.txt
@@ -0,0 +1,23 @@
+# Define project specific obfuscation rules here.
+# You can include the obfuscation configuration files in the current module's build-profile.json5.
+#
+# For more details, see
+#   https://developer.huawei.com/consumer/cn/doc/harmonyos-guides-V5/source-obfuscation-V5
+
+# Obfuscation options:
+# -disable-obfuscation: disable all obfuscations
+# -enable-property-obfuscation: obfuscate the property names
+# -enable-toplevel-obfuscation: obfuscate the names in the global scope
+# -compact: remove unnecessary blank spaces and all line feeds
+# -remove-log: remove all console.* statements
+# -print-namecache: print the name cache that contains the mapping from the old names to new names
+# -apply-namecache: reuse the given cache file
+
+# Keep options:
+# -keep-property-name: specifies property names that you want to keep
+# -keep-global-name: specifies names that you want to keep in the global scope
+
+-enable-property-obfuscation
+-enable-toplevel-obfuscation
+-enable-filename-obfuscation
+-enable-export-obfuscation
\ No newline at end of file
diff --git a/NdkDevelopment/cpplib/oh-package-lock.json5 b/NdkDevelopment/cpplib/oh-package-lock.json5
new file mode 100644
index 0000000000000000000000000000000000000000..2515f108734b2ec53829cf8ba0f414b6ab370ca8
--- /dev/null
+++ b/NdkDevelopment/cpplib/oh-package-lock.json5
@@ -0,0 +1,25 @@
+{
+  "meta": {
+    "stableOrder": true
+  },
+  "lockfileVersion": 3,
+  "ATTENTION": "THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.",
+  "specifiers": {
+    "libentry.so@src/main/cpp/types/libentry": "libentry.so@src/main/cpp/types/libentry",
+    "libprintf.so@src/main/cpp/types/libprintf": "libprintf.so@src/main/cpp/types/libprintf"
+  },
+  "packages": {
+    "libentry.so@src/main/cpp/types/libentry": {
+      "name": "libentry.so",
+      "version": "1.0.0",
+      "resolved": "src/main/cpp/types/libentry",
+      "registryType": "local"
+    },
+    "libprintf.so@src/main/cpp/types/libprintf": {
+      "name": "libprintf.so",
+      "version": "1.0.0",
+      "resolved": "src/main/cpp/types/libprintf",
+      "registryType": "local"
+    }
+  }
+}
\ No newline at end of file
diff --git a/NdkDevelopment/cpplib/oh-package.json5 b/NdkDevelopment/cpplib/oh-package.json5
new file mode 100644
index 0000000000000000000000000000000000000000..7753968fe5913feaf930bac70af175d27154a562
--- /dev/null
+++ b/NdkDevelopment/cpplib/oh-package.json5
@@ -0,0 +1,12 @@
+{
+  "name": "cpplib",
+  "version": "1.0.0",
+  "description": "Please describe the basic information.",
+  "main": "",
+  "author": "",
+  "license": "",
+  "dependencies": {
+    "libentry.so": "file:./src/main/cpp/types/libentry",
+    "libprintf.so": "file:./src/main/cpp/types/libprintf"
+  }
+}
\ No newline at end of file
diff --git a/NdkDevelopment/cpplib/src/main/cpp/CGetAppPackageName.h b/NdkDevelopment/cpplib/src/main/cpp/CGetAppPackageName.h
new file mode 100644
index 0000000000000000000000000000000000000000..31048f6fb338a4e759d28ecf9cd6e5a7a0919681
--- /dev/null
+++ b/NdkDevelopment/cpplib/src/main/cpp/CGetAppPackageName.h
@@ -0,0 +1,16 @@
+//
+// Created on 2025/5/21.
+//
+// Node APIs are not fully supported. To solve the compilation error of the interface cannot be found,
+// please include "napi/native_api.h".
+
+#ifndef NDKDEVELOPMENT_CGETAPPPACKAGENAME_H
+#define NDKDEVELOPMENT_CGETAPPPACKAGENAME_H
+#include <js_native_api_types.h>
+
+class CGetAppPackageName {
+    public:
+    static napi_value GetCurrentApplicationPackageName(napi_env env, napi_callback_info info);
+};
+
+#endif //NDKDEVELOPMENT_CGETAPPPACKAGENAME_H
diff --git a/NdkDevelopment/cpplib/src/main/cpp/CMakeLists.txt b/NdkDevelopment/cpplib/src/main/cpp/CMakeLists.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3ea087164cb442574b98832fb0b682de10c3c7de
--- /dev/null
+++ b/NdkDevelopment/cpplib/src/main/cpp/CMakeLists.txt
@@ -0,0 +1,16 @@
+# the minimum version of CMake.
+cmake_minimum_required(VERSION 3.5.0)
+project(NdkDevelopment)
+
+set(NATIVERENDER_ROOT_PATH ${CMAKE_CURRENT_SOURCE_DIR})
+
+if(DEFINED PACKAGE_FIND_FILE)
+    include(${PACKAGE_FIND_FILE})
+endif()
+
+include_directories(${NATIVERENDER_ROOT_PATH}
+                    ${NATIVERENDER_ROOT_PATH}/include)
+
+add_library(entry SHARED napi_init.cpp)
+add_library(printf SHARED napi_printf.cpp)
+target_link_libraries(entry PUBLIC libace_napi.z.so)
\ No newline at end of file
diff --git a/NdkDevelopment/cpplib/src/main/cpp/CallSystemModule.h b/NdkDevelopment/cpplib/src/main/cpp/CallSystemModule.h
new file mode 100644
index 0000000000000000000000000000000000000000..58e684e039b8d04434d36d38765ca911d3e08916
--- /dev/null
+++ b/NdkDevelopment/cpplib/src/main/cpp/CallSystemModule.h
@@ -0,0 +1,16 @@
+//
+// Created on 2025/5/21.
+//
+// Node APIs are not fully supported. To solve the compilation error of the interface cannot be found,
+// please include "napi/native_api.h".
+
+#ifndef NDKDEVELOPMENT_CALLSYSTEMMODULE_H
+#define NDKDEVELOPMENT_CALLSYSTEMMODULE_H
+
+#include <js_native_api_types.h>
+
+class CallSystemModule {
+    public:
+    static napi_value GetDisplaySize(napi_env env, napi_callback_info info);
+};
+#endif //NDKDEVELOPMENT_CALLSYSTEMMODULE_H
diff --git a/NdkDevelopment/cpplib/src/main/cpp/MyDemo.h b/NdkDevelopment/cpplib/src/main/cpp/MyDemo.h
new file mode 100644
index 0000000000000000000000000000000000000000..6dc6c15cbda5e0a87d4e9ad96e3d51b42d403985
--- /dev/null
+++ b/NdkDevelopment/cpplib/src/main/cpp/MyDemo.h
@@ -0,0 +1,24 @@
+//
+// Created on 2025/5/21.
+//
+// Node APIs are not fully supported. To solve the compilation error of the interface cannot be found,
+// please include "napi/native_api.h".
+//FAQ:如何导出C++自定义类，导出后如何在ArkTS侧进行类方法调用
+#include <string>
+
+#ifndef NDKDEVELOPMENT_MYDEMO_H
+#define NDKDEVELOPMENT_MYDEMO_H
+
+#endif //NDKDEVELOPMENT_MYDEMO_H
+//[Start my_dome_h]
+// MyDemo. h defines C++classes
+class MyDemo { 
+  public: 
+    MyDemo(std::string m_name); 
+    MyDemo(); 
+    ~MyDemo();   
+    std::string name; 
+    int add(int a, int b); 
+    int sub(int a, int b); 
+};
+//[End my_dome_h]
\ No newline at end of file
diff --git a/NdkDevelopment/cpplib/src/main/cpp/napi_aki.h b/NdkDevelopment/cpplib/src/main/cpp/napi_aki.h
new file mode 100644
index 0000000000000000000000000000000000000000..3f2c5fccc49a3efa498fd7f638097543421097f9
--- /dev/null
+++ b/NdkDevelopment/cpplib/src/main/cpp/napi_aki.h
@@ -0,0 +1,14 @@
+//
+// Created on 2025/5/21.
+//
+// Node APIs are not fully supported. To solve the compilation error of the interface cannot be found,
+// please include "napi/native_api.h".
+
+#ifndef NDKDEVELOPMENT_NAPI_AKI_H
+#define NDKDEVELOPMENT_NAPI_AKI_H
+
+class napi_aki {
+
+};
+
+#endif //NDKDEVELOPMENT_NAPI_AKI_H
diff --git a/NdkDevelopment/cpplib/src/main/cpp/napi_call_sys_module.cpp b/NdkDevelopment/cpplib/src/main/cpp/napi_call_sys_module.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..7c49ef0c39ef9892402ff17b8be9a5d1f8b511e9
--- /dev/null
+++ b/NdkDevelopment/cpplib/src/main/cpp/napi_call_sys_module.cpp
@@ -0,0 +1,40 @@
+//
+// Created on 2025/5/21.
+//
+// Node APIs are not fully supported. To solve the compilation error of the interface cannot be found,
+// please include "napi/native_api.h".
+//FAQ:如何在Native侧调用ArkTS侧的系统能力
+// [Start call_sys_module]
+#include "CallSystemModule.h" 
+#include "napi/native_api.h" 
+#include <hilog/log.h> 
+#define LOG_TAG "Pure" 
+ 
+napi_value CallSystemModule::GetDisplaySize(napi_env env, napi_callback_info info) { 
+    // 获取arkts侧的系统库路径 
+    char path[64] = "@ohos.display"; 
+    size_t typeLen = 0; 
+    napi_value string; 
+    napi_create_string_utf8(env, path, typeLen, &string); 
+    // 加载系统库 
+    napi_value sysModule; 
+    napi_load_module(env, path, &sysModule); 
+    // 获取系统库中的"getDefaultDisplaySync"方法 
+    napi_value func = nullptr; 
+    napi_get_named_property(env, sysModule, "getDefaultDisplaySync", &func); 
+    napi_value funcResult; 
+    napi_call_function(env, sysModule, func, 0, nullptr, &funcResult); 
+    napi_value widthValue = nullptr; 
+    napi_get_named_property(env, funcResult, "width", &widthValue); 
+    double width; 
+    napi_get_value_double(env, widthValue, &width); 
+    OH_LOG_INFO(LOG_APP, "width: %{public}f", width); 
+    napi_value heightValue = nullptr; 
+    napi_get_named_property(env, funcResult, "height", &heightValue); 
+    double height; 
+    napi_get_value_double(env, heightValue, &height); 
+    OH_LOG_INFO(LOG_APP, "height: %{public}f", height); 
+    // 业务拿到width 和 height，可以进一步处理具体业务逻辑 
+    return nullptr; 
+}
+// [End call_sys_module]
\ No newline at end of file
diff --git a/NdkDevelopment/cpplib/src/main/cpp/napi_get_app_package_name.cpp b/NdkDevelopment/cpplib/src/main/cpp/napi_get_app_package_name.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..c1177f0f9d79f2b65bfc865878ba26d35a6842ed
--- /dev/null
+++ b/NdkDevelopment/cpplib/src/main/cpp/napi_get_app_package_name.cpp
@@ -0,0 +1,27 @@
+//
+// Created on 2025/5/21.
+//
+// Node APIs are not fully supported. To solve the compilation error of the interface cannot be found,
+// please include "napi/native_api.h".
+//FQA:Native侧如何获取ArkTS侧的应用包名
+// [Start get_app_package_name]
+#include "CGetAppPackageName.h" 
+#include "napi/native_api.h" 
+#include <bundle/native_interface_bundle.h> 
+#include <cstdlib> 
+#include "hilog/log.h" 
+#define LOG_TAG "Pure" 
+ 
+napi_value CGetAppPackageName::GetCurrentApplicationPackageName(napi_env env, napi_callback_info info) 
+{ 
+    // Call the Native interface to obtain application information
+    OH_NativeBundle_ApplicationInfo nativeApplicationInfo = OH_NativeBundle_GetCurrentApplicationInfo(); 
+    // Convert the application package name obtained by the Native interface to the bundleName property in the JS object
+    napi_value bundleName; 
+    napi_create_string_utf8(env, nativeApplicationInfo.bundleName, NAPI_AUTO_LENGTH, &bundleName); 
+    OH_LOG_INFO(LOG_APP, "Napi retrieves the application package name： %{public}s", nativeApplicationInfo.bundleName); 
+    // Finally, to prevent memory leaks, manually release 
+    free(nativeApplicationInfo.bundleName); 
+    return nullptr; 
+}
+// [End get_app_package_name]
\ No newline at end of file
diff --git a/NdkDevelopment/cpplib/src/main/cpp/napi_http.cpp b/NdkDevelopment/cpplib/src/main/cpp/napi_http.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..3392401d0e5b611a20e370f2db309f2e61d3e5d7
--- /dev/null
+++ b/NdkDevelopment/cpplib/src/main/cpp/napi_http.cpp
@@ -0,0 +1,60 @@
+//
+// Created on 2025/5/21.
+//
+// Node APIs are not fully supported. To solve the compilation error of the interface cannot be found,
+// please include "napi/native_api.h".
+//FAQ:如何在Native侧集成三方库Curl，并进行HTTP数据请求
+#include "napi/native_api.h"
+#include <string>
+#include <hilog/log.h> 
+
+// [Start napi_http]
+#include "curl/curl.h" 
+// ... 
+// get请求和post请求数据响应函数 
+size_t ReqReply(void *ptr, size_t size, size_t nmemb, void *userdata) { 
+    string *str = reinterpret_cast<string *>(userdata); 
+    (*str).append((char *)ptr, size * nmemb); 
+    return size * nmemb; 
+} 
+// http GET请求配置 
+CURLcode CurlGetReq(const std::string &url, std::string &response) { 
+    // curl初始化 
+    CURL *curl = curl_easy_init(); 
+    // curl返回值 
+    CURLcode res; 
+    if (curl) { 
+        // 设置Curl的请求头 
+        struct curl_slist *headers = NULL; 
+        headers = curl_slist_append(headers, "Content-Type:application/json"); 
+        curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headers); 
+        // 设置请求的URL地址 
+        curl_easy_setopt(curl, CURLOPT_URL, url.c_str()); 
+        // 接收响应头数据，0代表不接收 1代表接收 
+        curl_easy_setopt(curl, CURLOPT_HEADER, 1); 
+        // 设置数据接收函数 
+        curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, ReqReply); 
+        curl_easy_setopt(curl, CURLOPT_WRITEDATA, (void *)&response); 
+        // 设置不使用任何信号/警报处理程序 
+        curl_easy_setopt(curl, CURLOPT_NOSIGNAL, 1); 
+        // 设置超时时间 
+        curl_easy_setopt(curl, CURLOPT_CONNECTTIMEOUT, 10); 
+        curl_easy_setopt(curl, CURLOPT_TIMEOUT, 10); 
+        // 开启请求 
+        res = curl_easy_perform(curl); 
+    } 
+    // 释放curl 
+    curl_easy_cleanup(curl); 
+    return res; 
+} 
+ 
+static napi_value NatReq(napi_env env, napi_callback_info info) { 
+    string getUrlStr = "http://app.huawei.com"; 
+    string getResponseStr; 
+    auto res = CurlGetReq(getUrlStr, getResponseStr); 
+    if (res == CURLE_OK) { 
+        OH_LOG_Print(LOG_APP, LOG_INFO, 0xFF00, "pure", "response: \n%{public}s", getResponseStr.c_str()); 
+    } 
+    // ... 
+}
+// [End napi_http]
\ No newline at end of file
diff --git a/NdkDevelopment/cpplib/src/main/cpp/napi_init.cpp b/NdkDevelopment/cpplib/src/main/cpp/napi_init.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..9cb3438618a0ccb340f2ffaa2adb22813534ef24
--- /dev/null
+++ b/NdkDevelopment/cpplib/src/main/cpp/napi_init.cpp
@@ -0,0 +1,142 @@
+#include "napi/native_api.h"
+#include "MyDemo.h"
+#include <hilog/log.h> 
+//[Start my_dome_cpp]
+// ArkTS Object Constructor
+static napi_value JsConstructor(napi_env env, napi_callback_info info) { 
+    // Create Napi object
+    napi_value jDemo = nullptr; 
+    size_t argc = 0; 
+    napi_value args[1] = {0}; 
+    // Get constructor input parameters
+    napi_get_cb_info(env, info, &argc, args, &jDemo, nullptr); 
+    // Parameters passed in args [0] js
+    char name[50]; 
+    size_t result = 0; 
+    napi_get_value_string_utf8(env, args[0], name, sizeof(name) + 1, &result); 
+    // Create C++objects
+    MyDemo *cDemo = new MyDemo(name); 
+    OH_LOG_INFO(LOG_APP, "%{public}s", (cDemo->name).c_str()); 
+    // Set the JS object name attribute 
+    napi_set_named_property(env, jDemo, "name", args[0]); 
+    // Binding JS objects with C++objects 
+    napi_wrap( 
+        env, jDemo, cDemo, 
+        // Define callback function for recycling JS objects, used to destroy C++objects and prevent memory leaks 
+        [](napi_env env, void *finalize_data, void *finalize_hint) { 
+            MyDemo *cDemo = (MyDemo *)finalize_data; 
+            delete cDemo; 
+            cDemo = nullptr; 
+        }, 
+        nullptr, nullptr); 
+    return jDemo; 
+} 
+// ArkTS object add function 
+static napi_value JsAdd(napi_env env, napi_callback_info info) { 
+    size_t argc = 2; 
+    napi_value args[2] = {nullptr}; 
+    napi_value jDemo = nullptr; 
+    napi_get_cb_info(env, info, &argc, args, &jDemo, nullptr); 
+    MyDemo *cDemo = nullptr; 
+    // Convert ArkTS object to c object
+    napi_unwrap(env, jDemo, (void **)&cDemo); 
+    // Convert ArkTS object to c object 
+    int value0; 
+    napi_get_value_int32(env, args[0], &value0); 
+    int value1; 
+    napi_get_value_int32(env, args[1], &value1); 
+    int cResult = cDemo->add(value0, value1); 
+    napi_value jResult; 
+    napi_create_int32(env, cResult, &jResult); 
+    return jResult; 
+} 
+// arkTS object sub function
+static napi_value JsSub(napi_env env, napi_callback_info info) { 
+    size_t argc = 2; 
+    napi_value args[2] = {nullptr}; 
+    napi_value jDemo = nullptr; 
+    napi_get_cb_info(env, info, &argc, args, &jDemo, nullptr); 
+    MyDemo *cDemo = nullptr; 
+    // Convert ArkTS object to c object 
+    napi_unwrap(env, jDemo, (void **)&cDemo); 
+    // Get parameters passed by ArkTS 
+    int value0; 
+    napi_get_value_int32(env, args[0], &value0); 
+    int value1; 
+    napi_get_value_int32(env, args[1], &value1); 
+    int cResult = cDemo->sub(value0, value1); 
+    napi_value jResult; 
+    napi_create_int32(env, cResult, &jResult); 
+    return jResult; 
+} 
+static napi_value Add(napi_env env, napi_callback_info info) { 
+    size_t requireArgc = 2; 
+    size_t argc = 2; 
+    napi_value args[2] = {nullptr}; 
+    napi_get_cb_info(env, info, &argc, args, nullptr, nullptr); 
+    napi_valuetype valuetype0; 
+    napi_typeof(env, args[0], &valuetype0); 
+    napi_valuetype valuetype1; 
+    napi_typeof(env, args[1], &valuetype1); 
+    int value0; 
+    napi_get_value_int32(env, args[0], &value0); 
+    int value1; 
+    napi_get_value_int32(env, args[1], &value1); 
+    MyDemo *demo = new MyDemo(); 
+    // Call functions in so to perform operations
+    int result = demo->add(value0, value1); 
+    napi_value sum; 
+    napi_create_int32(env, result, &sum); 
+    delete demo; 
+    return sum; 
+} 
+static napi_value Sub(napi_env env, napi_callback_info info) { 
+    size_t argc = 2; 
+    napi_value args[2] = {nullptr}; 
+    napi_get_cb_info(env, info, &argc, args, nullptr, nullptr); 
+    napi_valuetype valuetype0; 
+    napi_typeof(env, args[0], &valuetype0); 
+    napi_valuetype valuetype1; 
+    napi_typeof(env, args[1], &valuetype1); 
+    int value0; 
+    napi_get_value_int32(env, args[0], &value0); 
+    int value1; 
+    napi_get_value_int32(env, args[1], &value1); 
+    MyDemo *demo = new MyDemo(); 
+    // Call functions in so to perform operations
+    int result = demo->sub(value0, value1); 
+    napi_value num; 
+    napi_create_int32(env, result, &num); 
+    delete demo; 
+    return num; 
+} 
+ 
+static napi_value Init(napi_env env, napi_value exports) { 
+    // Define the methods that modules need to be exposed externally 
+    napi_property_descriptor desc[] = {{"add", nullptr, Add, nullptr, nullptr, nullptr, napi_default, nullptr}, 
+                                       {"sub", nullptr, Sub, nullptr, nullptr, nullptr, napi_default, nullptr}}; 
+    napi_define_properties(env, exports, sizeof(desc) / sizeof(desc[0]), desc); 
+    // Establish the mapping relationship between ArkTS class and C++side through napi_fine_class, and then mount the corresponding object onto export 
+    napi_property_descriptor classProp[] = {{"add", nullptr, JsAdd, nullptr, nullptr, nullptr, napi_default, nullptr}, 
+                                            {"sub", nullptr, JsSub, nullptr, nullptr, nullptr, napi_default, nullptr}}; 
+    napi_value jDemo = nullptr; 
+    const char *jDemoName = "MyDemo"; 
+    // Establish an association between ArkTS constructor and C++methods, specifying 2 props 
+    napi_define_class(env, jDemoName, sizeof(jDemoName), JsConstructor, nullptr, 
+                      sizeof(classProp) / sizeof(classProp[0]), classProp, &jDemo); 
+    napi_set_named_property(env, exports, jDemoName, jDemo); 
+    return exports; 
+}
+//[End my_dome_cpp]
+
+static napi_module demoModule = {
+    .nm_version = 1,
+    .nm_flags = 0,
+    .nm_filename = nullptr,
+    .nm_register_func = Init,
+    .nm_modname = "entry",
+    .nm_priv = ((void *)0),
+    .reserved = {0},
+};
+
+extern "C" __attribute__((constructor)) void RegisterEntryModule(void) { napi_module_register(&demoModule); }
\ No newline at end of file
diff --git a/NdkDevelopment/cpplib/src/main/cpp/napi_printf.cpp b/NdkDevelopment/cpplib/src/main/cpp/napi_printf.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..f03c71168b40df86bcc57878211ee5fdef7b7951
--- /dev/null
+++ b/NdkDevelopment/cpplib/src/main/cpp/napi_printf.cpp
@@ -0,0 +1,72 @@
+//
+// Created on 2025/5/21.
+//
+// Node APIs are not fully supported. To solve the compilation error of the interface cannot be found,
+// please include "napi/native_api.h".
+//FAQ:如何获取Native侧printf等方法打印的信息
+//[Start native_printf_cpp]
+#include "fstream"
+#include "iostream"
+#include "napi/native_api.h"
+#include <hilog/log.h>
+#include <string>
+#define LOG_TAG "Pure"
+
+static napi_value Redirect(napi_env env, napi_callback_info info) {
+    // Get the JS parameters of the function
+    size_t argc = 1;
+    napi_value argv[1] = {nullptr};
+    napi_get_cb_info(env, info, &argc, argv, nullptr, nullptr);
+    // Resolve parameter 1, the destination directory for saving the file
+    size_t targetDirectoryNameSize;
+    char targetDirectoryNameBuf[512];
+    napi_get_value_string_utf8(env, argv[0], targetDirectoryNameBuf, sizeof(targetDirectoryNameBuf),
+                               &targetDirectoryNameSize);
+    std::string targetDirectoryName(targetDirectoryNameBuf, targetDirectoryNameSize); // target directory
+    OH_LOG_INFO(LOG_APP, "The target path received by the C++side === %{public}s", targetDirectoryNameBuf);
+    std::string targetSandboxPath = targetDirectoryName + "/Log.log"; // Saved file path
+
+    // Use the freopen function to associate files with standard output
+    FILE *stdoutFile = NULL;
+    FILE *stderrFile = NULL;
+    stdoutFile = freopen(targetSandboxPath.c_str(), "a", stdout);
+    stderrFile = freopen(targetSandboxPath.c_str(), "a", stderr);
+    if (NULL == stdoutFile || NULL == stderrFile) {
+        OH_LOG_INFO(LOG_APP, "Recreate!");
+        // Opening the file output stream of the sandbox file will create a file
+        std::ofstream outputFile(targetSandboxPath, std::ios::binary);
+        if (!outputFile) {
+            OH_LOG_ERROR(LOG_APP, "Unable to create target file!");
+            return nullptr;
+        }
+        stdoutFile = freopen(targetSandboxPath.c_str(), "a", stdout);
+        stderrFile = freopen(targetSandboxPath.c_str(), "a", stderr);
+        if (NULL == stdoutFile || NULL == stderrFile) {
+            OH_LOG_ERROR(LOG_APP, "Failed!");
+            return nullptr;
+        }
+    }
+    OH_LOG_WARN(LOG_APP, "Redirect!");
+    printf("\n*****************redirect Divider*****************\n");
+    return 0;
+}
+//[End native_printf_cpp]
+
+static napi_value Init(napi_env env, napi_value exports) {
+    napi_property_descriptor desc[] = {
+        {"redirect", nullptr, Redirect, nullptr, nullptr, nullptr, napi_default, nullptr}};
+    napi_define_properties(env, exports, sizeof(desc) / sizeof(desc[0]), desc);
+    return exports;
+}
+
+static napi_module demoModule = {
+    .nm_version = 1,
+    .nm_flags = 0,
+    .nm_filename = nullptr,
+    .nm_register_func = Init,
+    .nm_modname = "printf",
+    .nm_priv = ((void *)0),
+    .reserved = {0},
+};
+
+extern "C" __attribute__((constructor)) void RegisterEntryModule(void) { napi_module_register(&demoModule); }
\ No newline at end of file
diff --git a/NdkDevelopment/cpplib/src/main/cpp/types/libentry/Index.d.ts b/NdkDevelopment/cpplib/src/main/cpp/types/libentry/Index.d.ts
new file mode 100644
index 0000000000000000000000000000000000000000..7f60653c14e9f05a6ea1cc2d07ab3df2fdb998de
--- /dev/null
+++ b/NdkDevelopment/cpplib/src/main/cpp/types/libentry/Index.d.ts
@@ -0,0 +1,12 @@
+declare namespace testNapi {
+  const add: (a: number, b: number) => number;
+  const sub: (a: number, b: number) => number;
+  // 定义ArkTS接口
+  class MyDemo {
+    constructor(name:string)
+    name: string
+    add(a: number, b: number): number
+    sub(a: number, b: number): number
+  }
+}
+export default testNapi;
\ No newline at end of file
diff --git a/NdkDevelopment/cpplib/src/main/cpp/types/libentry/oh-package.json5 b/NdkDevelopment/cpplib/src/main/cpp/types/libentry/oh-package.json5
new file mode 100644
index 0000000000000000000000000000000000000000..ea410725a8826704d061021d98cf02aa76cd8016
--- /dev/null
+++ b/NdkDevelopment/cpplib/src/main/cpp/types/libentry/oh-package.json5
@@ -0,0 +1,6 @@
+{
+  "name": "libentry.so",
+  "types": "./Index.d.ts",
+  "version": "1.0.0",
+  "description": "Please describe the basic information."
+}
\ No newline at end of file
diff --git a/NdkDevelopment/cpplib/src/main/cpp/types/libprintf/Index.d.ts b/NdkDevelopment/cpplib/src/main/cpp/types/libprintf/Index.d.ts
new file mode 100644
index 0000000000000000000000000000000000000000..d16648171d0a1e8be0f6207cac665ed983d12b8e
--- /dev/null
+++ b/NdkDevelopment/cpplib/src/main/cpp/types/libprintf/Index.d.ts
@@ -0,0 +1 @@
+export const redirect: (a: string) => void;
diff --git a/NdkDevelopment/cpplib/src/main/cpp/types/libprintf/oh-package.json5 b/NdkDevelopment/cpplib/src/main/cpp/types/libprintf/oh-package.json5
new file mode 100644
index 0000000000000000000000000000000000000000..0d9c11c33b81165f150fe3565837390e9cb37fe3
--- /dev/null
+++ b/NdkDevelopment/cpplib/src/main/cpp/types/libprintf/oh-package.json5
@@ -0,0 +1,6 @@
+{
+  "name": "libprintf.so",
+  "types": "./Index.d.ts",
+  "version": "1.0.0",
+  "description": "Please describe the basic information."
+}
\ No newline at end of file
diff --git a/NdkDevelopment/cpplib/src/main/ets/cpplibability/CpplibAbility.ets b/NdkDevelopment/cpplib/src/main/ets/cpplibability/CpplibAbility.ets
new file mode 100644
index 0000000000000000000000000000000000000000..fcdd5c0fff52ad0dcc9b24f1479e5f877652875f
--- /dev/null
+++ b/NdkDevelopment/cpplib/src/main/ets/cpplibability/CpplibAbility.ets
@@ -0,0 +1,49 @@
+//FAQ:如何获取Native侧printf等方法打印的信息
+
+import { AbilityConstant, UIAbility, Want } from '@kit.AbilityKit';
+import { hilog } from '@kit.PerformanceAnalysisKit';
+import { window } from '@kit.ArkUI';
+import testNapi from 'libprintf.so';
+
+const DOMAIN = 0x0000;
+
+export default class CpplibAbility extends UIAbility {
+  // [Start native_printf_ts]
+  onCreate(want: Want, launchParam: AbilityConstant.LaunchParam): void {
+    let file : string = this.context.getApplicationContext().filesDir;
+    testNapi.redirect(file);
+    hilog.info(0x0000, 'testTag', '%{public}s', 'Ability onCreate');
+  }
+  // [End native_printf_ts]
+  onDestroy(): void {
+    hilog.info(DOMAIN, 'testTag', '%{public}s', 'Ability onDestroy');
+  }
+
+  onWindowStageCreate(windowStage: window.WindowStage): void {
+    // Main window is created, set main page for this ability
+    hilog.info(DOMAIN, 'testTag', '%{public}s', 'Ability onWindowStageCreate');
+
+    windowStage.loadContent('pages/Index', (err) => {
+      if (err.code) {
+        hilog.error(DOMAIN, 'testTag', 'Failed to load the content. Cause: %{public}s', JSON.stringify(err));
+        return;
+      }
+      hilog.info(DOMAIN, 'testTag', 'Succeeded in loading the content.');
+    });
+  }
+
+  onWindowStageDestroy(): void {
+    // Main window is destroyed, release UI related resources
+    hilog.info(DOMAIN, 'testTag', '%{public}s', 'Ability onWindowStageDestroy');
+  }
+
+  onForeground(): void {
+    // Ability has brought to foreground
+    hilog.info(DOMAIN, 'testTag', '%{public}s', 'Ability onForeground');
+  }
+
+  onBackground(): void {
+    // Ability has back to background
+    hilog.info(DOMAIN, 'testTag', '%{public}s', 'Ability onBackground');
+  }
+}
diff --git a/NdkDevelopment/cpplib/src/main/ets/pages/Index.ets b/NdkDevelopment/cpplib/src/main/ets/pages/Index.ets
new file mode 100644
index 0000000000000000000000000000000000000000..b0e978740a0714eb467251d3ae566d831be2160e
--- /dev/null
+++ b/NdkDevelopment/cpplib/src/main/ets/pages/Index.ets
@@ -0,0 +1,34 @@
+import { hilog } from '@kit.PerformanceAnalysisKit';
+//[Start my_dome_ts]
+import testNapi from 'libentry.so';
+// [StartExclude my_dome_ts]
+const DOMAIN = 0x0000;
+
+@Entry
+@Component
+struct Index {
+  @State message: string = 'Hello World';
+  aboutToAppear(): void {
+    // [EndExclude my_dome_ts]
+    new testNapi.MyDemo('abc');
+    hilog.info(0x0000, 'testTag', 'Test NAPI 2 + 3 = %{public}d', testNapi.add(2, 3));
+    hilog.info(0x0000, 'testTag', 'Test NAPI 2 - 3 = %{public}d', testNapi.sub(2, 3));
+    //[End my_dome_ts]
+  }
+
+  build() {
+    Row() {
+      Column() {
+        Text(this.message)
+          .fontSize($r('app.float.page_text_font_size'))
+          .fontWeight(FontWeight.Bold)
+          .onClick(() => {
+            this.message = 'Welcome';
+            hilog.info(DOMAIN, 'testTag', 'Test NAPI 2 + 3 = %{public}d', testNapi.add(2, 3));
+          })
+      }
+      .width('100%')
+    }
+    .height('100%')
+  }
+}
diff --git a/NdkDevelopment/cpplib/src/main/module.json5 b/NdkDevelopment/cpplib/src/main/module.json5
new file mode 100644
index 0000000000000000000000000000000000000000..60b90c305f2649cfbe44e838bfee6167c012bd13
--- /dev/null
+++ b/NdkDevelopment/cpplib/src/main/module.json5
@@ -0,0 +1,28 @@
+{
+  "module": {
+    "name": "cpplib",
+    "type": "feature",
+    "description": "$string:module_desc",
+    "mainElement": "CpplibAbility",
+    "deviceTypes": [
+      "phone",
+      "tablet",
+      "2in1"
+    ],
+    "deliveryWithInstall": true,
+    "installationFree": false,
+    "pages": "$profile:main_pages",
+    "abilities": [
+      {
+        "name": "CpplibAbility",
+        "srcEntry": "./ets/cpplibability/CpplibAbility.ets",
+        "description": "$string:CpplibAbility_desc",
+        "icon": "$media:layered_image",
+        "label": "$string:CpplibAbility_label",
+        "startWindowIcon": "$media:startIcon",
+        "startWindowBackground": "$color:start_window_background",
+        "exported": true
+      }
+    ]
+  }
+}
\ No newline at end of file
diff --git a/NdkDevelopment/cpplib/src/main/resources/base/element/color.json b/NdkDevelopment/cpplib/src/main/resources/base/element/color.json
new file mode 100644
index 0000000000000000000000000000000000000000..3c712962da3c2751c2b9ddb53559afcbd2b54a02
--- /dev/null
+++ b/NdkDevelopment/cpplib/src/main/resources/base/element/color.json
@@ -0,0 +1,8 @@
+{
+  "color": [
+    {
+      "name": "start_window_background",
+      "value": "#FFFFFF"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/NdkDevelopment/cpplib/src/main/resources/base/element/float.json b/NdkDevelopment/cpplib/src/main/resources/base/element/float.json
new file mode 100644
index 0000000000000000000000000000000000000000..33ea22304f9b1485b5f22d811023701b5d4e35b6
--- /dev/null
+++ b/NdkDevelopment/cpplib/src/main/resources/base/element/float.json
@@ -0,0 +1,8 @@
+{
+  "float": [
+    {
+      "name": "page_text_font_size",
+      "value": "50fp"
+    }
+  ]
+}
diff --git a/NdkDevelopment/cpplib/src/main/resources/base/element/string.json b/NdkDevelopment/cpplib/src/main/resources/base/element/string.json
new file mode 100644
index 0000000000000000000000000000000000000000..e8adf0c6f6c154414d6d702db28739772e07e5b4
--- /dev/null
+++ b/NdkDevelopment/cpplib/src/main/resources/base/element/string.json
@@ -0,0 +1,16 @@
+{
+  "string": [
+    {
+      "name": "module_desc",
+      "value": "module description"
+    },
+    {
+      "name": "CpplibAbility_desc",
+      "value": "description"
+    },
+    {
+      "name": "CpplibAbility_label",
+      "value": "label"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/NdkDevelopment/cpplib/src/main/resources/base/media/background.png b/NdkDevelopment/cpplib/src/main/resources/base/media/background.png
new file mode 100644
index 0000000000000000000000000000000000000000..923f2b3f27e915d6871871deea0420eb45ce102f
Binary files /dev/null and b/NdkDevelopment/cpplib/src/main/resources/base/media/background.png differ
diff --git a/NdkDevelopment/cpplib/src/main/resources/base/media/foreground.png b/NdkDevelopment/cpplib/src/main/resources/base/media/foreground.png
new file mode 100644
index 0000000000000000000000000000000000000000..97014d3e10e5ff511409c378cd4255713aecd85f
Binary files /dev/null and b/NdkDevelopment/cpplib/src/main/resources/base/media/foreground.png differ
diff --git a/NdkDevelopment/cpplib/src/main/resources/base/media/layered_image.json b/NdkDevelopment/cpplib/src/main/resources/base/media/layered_image.json
new file mode 100644
index 0000000000000000000000000000000000000000..fb49920440fb4d246c82f9ada275e26123a2136a
--- /dev/null
+++ b/NdkDevelopment/cpplib/src/main/resources/base/media/layered_image.json
@@ -0,0 +1,7 @@
+{
+  "layered-image":
+  {
+    "background" : "$media:background",
+    "foreground" : "$media:foreground"
+  }
+}
\ No newline at end of file
diff --git a/NdkDevelopment/cpplib/src/main/resources/base/media/startIcon.png b/NdkDevelopment/cpplib/src/main/resources/base/media/startIcon.png
new file mode 100644
index 0000000000000000000000000000000000000000..205ad8b5a8a42e8762fbe4899b8e5e31ce822b8b
Binary files /dev/null and b/NdkDevelopment/cpplib/src/main/resources/base/media/startIcon.png differ
diff --git a/NdkDevelopment/cpplib/src/main/resources/base/profile/main_pages.json b/NdkDevelopment/cpplib/src/main/resources/base/profile/main_pages.json
new file mode 100644
index 0000000000000000000000000000000000000000..1898d94f58d6128ab712be2c68acc7c98e9ab9ce
--- /dev/null
+++ b/NdkDevelopment/cpplib/src/main/resources/base/profile/main_pages.json
@@ -0,0 +1,5 @@
+{
+  "src": [
+    "pages/Index"
+  ]
+}
diff --git a/NdkDevelopment/cpplib/src/mock/Libcpplib.mock.ets b/NdkDevelopment/cpplib/src/mock/Libcpplib.mock.ets
new file mode 100644
index 0000000000000000000000000000000000000000..c2171716d040a605ef6af71e90b937a945f2677d
--- /dev/null
+++ b/NdkDevelopment/cpplib/src/mock/Libcpplib.mock.ets
@@ -0,0 +1,7 @@
+const NativeMock: Record<string, Object> = {
+  'add': (a: number, b: number) => {
+    return a + b;
+  },
+};
+
+export default NativeMock;
\ No newline at end of file
diff --git a/NdkDevelopment/cpplib/src/mock/mock-config.json5 b/NdkDevelopment/cpplib/src/mock/mock-config.json5
new file mode 100644
index 0000000000000000000000000000000000000000..0c0c15c6aa74eb13d16c83ebb57bf2f17b733237
--- /dev/null
+++ b/NdkDevelopment/cpplib/src/mock/mock-config.json5
@@ -0,0 +1,5 @@
+{
+  "libcpplib.so": {
+    "source": "src/mock/Libcpplib.mock.ets"
+  }
+}
\ No newline at end of file
diff --git a/NdkDevelopment/cpplib/src/ohosTest/ets/test/Ability.test.ets b/NdkDevelopment/cpplib/src/ohosTest/ets/test/Ability.test.ets
new file mode 100644
index 0000000000000000000000000000000000000000..85c78f67579d6e31b5f5aeea463e216b9b141048
--- /dev/null
+++ b/NdkDevelopment/cpplib/src/ohosTest/ets/test/Ability.test.ets
@@ -0,0 +1,35 @@
+import { hilog } from '@kit.PerformanceAnalysisKit';
+import { describe, beforeAll, beforeEach, afterEach, afterAll, it, expect } from '@ohos/hypium';
+
+export default function abilityTest() {
+  describe('ActsAbilityTest', () => {
+    // Defines a test suite. Two parameters are supported: test suite name and test suite function.
+    beforeAll(() => {
+      // Presets an action, which is performed only once before all test cases of the test suite start.
+      // This API supports only one parameter: preset action function.
+    })
+    beforeEach(() => {
+      // Presets an action, which is performed before each unit test case starts.
+      // The number of execution times is the same as the number of test cases defined by **it**.
+      // This API supports only one parameter: preset action function.
+    })
+    afterEach(() => {
+      // Presets a clear action, which is performed after each unit test case ends.
+      // The number of execution times is the same as the number of test cases defined by **it**.
+      // This API supports only one parameter: clear action function.
+    })
+    afterAll(() => {
+      // Presets a clear action, which is performed after all test cases of the test suite end.
+      // This API supports only one parameter: clear action function.
+    })
+    it('assertContain', 0, () => {
+      // Defines a test case. This API supports three parameters: test case name, filter parameter, and test case function.
+      hilog.info(0x0000, 'testTag', '%{public}s', 'it begin');
+      let a = 'abc';
+      let b = 'b';
+      // Defines a variety of assertion methods, which are used to declare expected boolean conditions.
+      expect(a).assertContain(b);
+      expect(a).assertEqual(a);
+    })
+  })
+}
\ No newline at end of file
diff --git a/NdkDevelopment/cpplib/src/ohosTest/ets/test/List.test.ets b/NdkDevelopment/cpplib/src/ohosTest/ets/test/List.test.ets
new file mode 100644
index 0000000000000000000000000000000000000000..794c7dc4ed66bd98fa3865e07922906e2fcef545
--- /dev/null
+++ b/NdkDevelopment/cpplib/src/ohosTest/ets/test/List.test.ets
@@ -0,0 +1,5 @@
+import abilityTest from './Ability.test';
+
+export default function testsuite() {
+  abilityTest();
+}
\ No newline at end of file
diff --git a/NdkDevelopment/cpplib/src/ohosTest/module.json5 b/NdkDevelopment/cpplib/src/ohosTest/module.json5
new file mode 100644
index 0000000000000000000000000000000000000000..1f12052da814e7dbd196a50b078032c5f58f1c9e
--- /dev/null
+++ b/NdkDevelopment/cpplib/src/ohosTest/module.json5
@@ -0,0 +1,13 @@
+{
+  "module": {
+    "name": "cpplib_test",
+    "type": "feature",
+    "deviceTypes": [
+      "phone",
+      "tablet",
+      "2in1"
+    ],
+    "deliveryWithInstall": true,
+    "installationFree": false
+  }
+}
diff --git a/NdkDevelopment/cpplib/src/test/List.test.ets b/NdkDevelopment/cpplib/src/test/List.test.ets
new file mode 100644
index 0000000000000000000000000000000000000000..bb5b5c3731e283dd507c847560ee59bde477bbc7
--- /dev/null
+++ b/NdkDevelopment/cpplib/src/test/List.test.ets
@@ -0,0 +1,5 @@
+import localUnitTest from './LocalUnit.test';
+
+export default function testsuite() {
+  localUnitTest();
+}
\ No newline at end of file
diff --git a/NdkDevelopment/cpplib/src/test/LocalUnit.test.ets b/NdkDevelopment/cpplib/src/test/LocalUnit.test.ets
new file mode 100644
index 0000000000000000000000000000000000000000..165fc1615ee8618b4cb6a622f144a9a707eee99f
--- /dev/null
+++ b/NdkDevelopment/cpplib/src/test/LocalUnit.test.ets
@@ -0,0 +1,33 @@
+import { describe, beforeAll, beforeEach, afterEach, afterAll, it, expect } from '@ohos/hypium';
+
+export default function localUnitTest() {
+  describe('localUnitTest', () => {
+    // Defines a test suite. Two parameters are supported: test suite name and test suite function.
+    beforeAll(() => {
+      // Presets an action, which is performed only once before all test cases of the test suite start.
+      // This API supports only one parameter: preset action function.
+    });
+    beforeEach(() => {
+      // Presets an action, which is performed before each unit test case starts.
+      // The number of execution times is the same as the number of test cases defined by **it**.
+      // This API supports only one parameter: preset action function.
+    });
+    afterEach(() => {
+      // Presets a clear action, which is performed after each unit test case ends.
+      // The number of execution times is the same as the number of test cases defined by **it**.
+      // This API supports only one parameter: clear action function.
+    });
+    afterAll(() => {
+      // Presets a clear action, which is performed after all test cases of the test suite end.
+      // This API supports only one parameter: clear action function.
+    });
+    it('assertContain', 0, () => {
+      // Defines a test case. This API supports three parameters: test case name, filter parameter, and test case function.
+      let a = 'abc';
+      let b = 'b';
+      // Defines a variety of assertion methods, which are used to declare expected boolean conditions.
+      expect(a).assertContain(b);
+      expect(a).assertEqual(a);
+    });
+  });
+}
\ No newline at end of file
diff --git a/NdkDevelopment/entry/src/main/cpp/NativeMap.h b/NdkDevelopment/entry/src/main/cpp/NativeMap.h
new file mode 100644
index 0000000000000000000000000000000000000000..30d6e3d25d15b01ce20fdca16d716e6d29d304ac
--- /dev/null
+++ b/NdkDevelopment/entry/src/main/cpp/NativeMap.h
@@ -0,0 +1,15 @@
+//
+// Created on 2025/5/21.
+//
+// Node APIs are not fully supported. To solve the compilation error of the interface cannot be found,
+// please include "napi/native_api.h".
+#include "napi/native_api.h"
+
+#ifndef NDKDEVELOPMENT_NATIVEMAP_H
+#define NDKDEVELOPMENT_NATIVEMAP_H
+
+#endif //NDKDEVELOPMENT_NATIVEMAP_H
+class NativeMap {
+public:
+    static napi_value MapDemo(napi_env env, napi_callback_info info);
+};
\ No newline at end of file
diff --git a/NdkDevelopment/entry/src/main/cpp/NumberType.cpp b/NdkDevelopment/entry/src/main/cpp/NumberType.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..3cce309c743c8207dc0c625104303ea8bc1a61aa
--- /dev/null
+++ b/NdkDevelopment/entry/src/main/cpp/NumberType.cpp
@@ -0,0 +1,14 @@
+//
+// Created on 2025/5/21.
+//
+// Node APIs are not fully supported. To solve the compilation error of the interface cannot be found,
+// please include "napi/native_api.h".
+//FAQ:如何对多个C++源文件中接口进行导出声明
+//[Start number_type]
+// NumberType.cpp 
+#include "NumberType.h"    // Import header file
+// NumberType is the class name, and Add is its function 
+napi_value NumberType::Add(napi_env env, napi_callback_info info) { 
+    // ... Business Function Implementation Code
+}
+//[End number_type]
diff --git a/NdkDevelopment/entry/src/main/cpp/NumberType.h b/NdkDevelopment/entry/src/main/cpp/NumberType.h
new file mode 100644
index 0000000000000000000000000000000000000000..d014dfab58a0195a55f41babbb3135fb10c01947
--- /dev/null
+++ b/NdkDevelopment/entry/src/main/cpp/NumberType.h
@@ -0,0 +1,15 @@
+//
+// Created on 2025/5/21.
+//
+// Node APIs are not fully supported. To solve the compilation error of the interface cannot be found,
+// please include "napi/native_api.h".
+#include "napi/native_api.h"
+
+#ifndef NDKDEVELOPMENT_NUMBERTYPE_H
+#define NDKDEVELOPMENT_NUMBERTYPE_H
+
+#endif //NDKDEVELOPMENT_NUMBERTYPE_H
+class NumberType {
+public:
+    static napi_value Add(napi_env env, napi_callback_info info);
+};
\ No newline at end of file
diff --git a/NdkDevelopment/entry/src/main/cpp/hello.cpp b/NdkDevelopment/entry/src/main/cpp/hello.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..c03478b701dc7e0ca5ae4296e9eb06b86b6df84e
--- /dev/null
+++ b/NdkDevelopment/entry/src/main/cpp/hello.cpp
@@ -0,0 +1,25 @@
+//
+// Created on 2025/5/21.
+//
+// Node APIs are not fully supported. To solve the compilation error of the interface cannot be found,
+// please include "napi/native_api.h".
+//FAQ:如何对多个C++源文件中接口进行导出声明
+//[Start number_type_add]
+
+#include "NumberType.h" 
+#include "napi/native_api.h" 
+// ... 
+EXTERN_C_START 
+static napi_value Init(napi_env env, napi_value exports) { 
+    /* Associate the externally provided interface with the written method, for example, associate add with the Add 
+     * method. 
+    */ 
+    napi_property_descriptor desc[] = { 
+        {"add", nullptr, NumberType::Add, nullptr, nullptr, nullptr, napi_default, nullptr}}; 
+    // napi_define_properties construct a return value that contains a list of methods that correspond. 
+    napi_define_properties(env, exports, sizeof(desc) / sizeof(desc[0]), desc); 
+    return exports; 
+} 
+EXTERN_C_END 
+// ...
+//[End number_type_add]
diff --git a/NdkDevelopment/entry/src/main/cpp/napi_aki.cpp b/NdkDevelopment/entry/src/main/cpp/napi_aki.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..116fc5746234347cecd143163e0b811b5e473b4c
--- /dev/null
+++ b/NdkDevelopment/entry/src/main/cpp/napi_aki.cpp
@@ -0,0 +1,22 @@
+//
+// Created on 2025/5/21.
+//
+// Node APIs are not fully supported. To solve the compilation error of the interface cannot be found,
+// please include "napi/native_api.h".
+//FAQ:如何通过AKI三方库实现ArkTS与C/C++之间的跨语言调用
+// [Start napi_aki_cpp]
+#include <aki/jsbind.h> 
+#include <string> 
+// 1、用户自定义业务 
+std::string SayHello(std::string msg){  return msg + " too.";}  
+ 
+// 2、导出业务接口 
+// Step 1 注册 AKI 插件 
+JSBIND_ADDON(entry) // 注册 AKI 插件名: 即为编译*.so名称，规则与Node-API一致 
+ 
+// Step 2 注册 FFI 特性 
+JSBIND_GLOBAL() 
+{ 
+  JSBIND_FUNCTION(SayHello); 
+}
+// [End napi_aki_cpp]
\ No newline at end of file
diff --git a/NdkDevelopment/entry/src/main/cpp/napi_c_open_file.cpp b/NdkDevelopment/entry/src/main/cpp/napi_c_open_file.cpp
index 590539199f944c6604995f09e95cd1cbf6c0a999..59dd6b63a3644d534a9dd8d026b4e08ed60bc1d0 100644
--- a/NdkDevelopment/entry/src/main/cpp/napi_c_open_file.cpp
+++ b/NdkDevelopment/entry/src/main/cpp/napi_c_open_file.cpp
@@ -19,7 +19,8 @@
 
 #include "napi/native_api.h"
 #include <hilog/log.h> 
-#define LOG_APP "C_OPEN_FOLE"
+
+#define LOG_TAG NULL
 
 void close(unsigned int fd2) {
 
@@ -36,10 +37,9 @@ unsigned long write(unsigned int fd2, char * pData1, unsigned long bytesRead) {
 // [Start napi_c_read_file]
 static napi_value OpenFile(unsigned int fd, unsigned int fd2) { 
     OH_LOG_INFO(LOG_APP, "OpenFile"); 
- 
     if (fd != -1) { 
         char buffer[4096]; 
-        ssize_t bytesRead; 
+        size_t bytesRead; 
         // Read the contents of the file into a buffer
         bytesRead = read(fd, buffer, sizeof(buffer)); 
         if (bytesRead == -1) { 
@@ -52,7 +52,7 @@ static napi_value OpenFile(unsigned int fd, unsigned int fd2) {
             OH_LOG_INFO(LOG_APP, "read file cg"); 
             char *pData1 = buffer; 
             OH_LOG_INFO(LOG_APP, "file contents: \n%{public}s", pData1); 
-            ssize_t bytesWrite; 
+            size_t bytesWrite; 
             bytesWrite = write(fd2, pData1, bytesRead); 
             if (bytesWrite == -1) { 
                 OH_LOG_INFO(LOG_APP, "write file failed"); 
diff --git a/NdkDevelopment/entry/src/main/cpp/napi_hashmap.cpp b/NdkDevelopment/entry/src/main/cpp/napi_hashmap.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..b5fe5db2aee74e75003e65043f06abb8196fdd14
--- /dev/null
+++ b/NdkDevelopment/entry/src/main/cpp/napi_hashmap.cpp
@@ -0,0 +1,34 @@
+//
+// Created on 2025/5/21.
+//
+// Node APIs are not fully supported. To solve the compilation error of the interface cannot be found,
+// please include "napi/native_api.h".
+// FAQ:ArkTS侧与Native侧如何进行map数据交互
+// [Start hash_map_napi]
+#define LOG_DOMAIN 0x3200 // Global domain macro, identifying the business domain
+#define LOG_TAG "MY_TAG"  // Global tag macro, identifying module log tags
+#include "NativeMap.h"
+#include "hilog/log.h"
+#include <map>
+#include <string>
+std::map<std::string, int> testmap;
+napi_value NativeMap::MapDemo(napi_env env, napi_callback_info info) {
+    size_t requireArgc = 2;
+    size_t argc = 2;
+    napi_value args[2] = {nullptr};
+
+
+    napi_get_cb_info(env, info, &argc, args, nullptr, nullptr);
+    char str1[1024];
+    size_t str1_len;
+    napi_get_value_string_utf8(env, args[0], str1, 100, &str1_len);
+    int num;
+    napi_get_value_int32(env, args[1], &num);
+    testmap.insert(std::make_pair(str1, num));
+    for(auto e: testmap){
+        OH_LOG_ERROR(LOG_APP, "key is: %{public}s, value is  %{public}d", (e.first).c_str(), e.second);
+    }
+    
+    return nullptr;
+}
+// [End hash_map_napi]
\ No newline at end of file
diff --git a/NdkDevelopment/entry/src/main/cpp/napi_hilog.cpp b/NdkDevelopment/entry/src/main/cpp/napi_hilog.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..26ddd2d78e55457250b89140971482b0f3afe469
--- /dev/null
+++ b/NdkDevelopment/entry/src/main/cpp/napi_hilog.cpp
@@ -0,0 +1,21 @@
+//
+// Created on 2025/5/21.
+//
+// Node APIs are not fully supported. To solve the compilation error of the interface cannot be found,
+// please include "napi/native_api.h".
+//FAQ:Native侧如何使用hilog打印出日志信息
+#include <js_native_api_types.h>
+// [Start napi_hilog1]
+#include "hilog/log.h"
+#undef LOG_DOMAIN
+#undef LOG_TAG
+#define LOG_DOMAIN 0x3200 // Global domain macro, identifying the business domain
+#define LOG_TAG "MY_TAG"  // Global tag macro, identifying module log tags
+// [End napi_hilog1]
+
+static napi_value NAPI_Global_SayHello(napi_env env, napi_callback_info info) {
+    // [Start napi_hilog2]
+    int a = 5, b = 10;
+    OH_LOG_ERROR(LOG_APP, "Pure a:%{public}d b:%{private}d.", a, b);
+    // [Start napi_hilog2]
+}
diff --git a/NdkDevelopment/entry/src/main/cpp/napi_init.cpp b/NdkDevelopment/entry/src/main/cpp/napi_init.cpp
index 44bebbfb828bb7bbbb43a002ef8feaf92ab98103..ec5ae983a818fa4aab10cda75f759666978aab3c 100644
--- a/NdkDevelopment/entry/src/main/cpp/napi_init.cpp
+++ b/NdkDevelopment/entry/src/main/cpp/napi_init.cpp
@@ -1,11 +1,12 @@
+//FAQ:Native如何调ArkTS的方法
 #include "napi/native_api.h"
+#include <string>
 
-static napi_value Add(napi_env env, napi_callback_info info)
-{
+static napi_value Add(napi_env env, napi_callback_info info) {
     size_t argc = 2;
     napi_value args[2] = {nullptr};
 
-    napi_get_cb_info(env, info, &argc, args , nullptr, nullptr);
+    napi_get_cb_info(env, info, &argc, args, nullptr, nullptr);
 
     napi_valuetype valuetype0;
     napi_typeof(env, args[0], &valuetype0);
@@ -23,45 +24,79 @@ static napi_value Add(napi_env env, napi_callback_info info)
     napi_create_double(env, value0 + value1, &sum);
 
     return sum;
-
 }
 
 static napi_value NAPI_Global_ReadFile(napi_env env, napi_callback_info info) {
     // TODO: implements the code;
+    napi_value sum;
+    return sum;
 }
 static napi_value NAPI_Global_addByLibPath(napi_env env, napi_callback_info info) {
     // TODO: implements the code;
+    napi_value sum;
+    return sum;
 }
 
-static napi_value NAPI_Global_callFunction(napi_env env, napi_callback_info info)
-{
+static napi_value NAPI_Global_callFunction(napi_env env, napi_callback_info info) {
     // TODO: implements the code;
+    napi_value sum;
+    return sum;
 }
 static napi_value NAPI_Global_getDisplayWidthAsync(napi_env env, napi_callback_info info) {
     // TODO: implements the code;
+    napi_value sum;
+    return sum;
 }
 static napi_value NAPI_Global_subSobyDlOpenSo(napi_env env, napi_callback_info info) {
     // TODO: implements the code;
+    napi_value sum;
+    return sum;
 }
 
 
+static napi_value NAPI_Global_getRawFileContent(napi_env env, napi_callback_info info) {
+    // TODO: implements the code;
+    napi_value sum;
+    return sum;
+}
+//[Start native_call_ts_cpp]
+static napi_value NativeCallArkTS(napi_env env, napi_callback_info info) 
+{     
+    size_t argc = 1; 
+    // Declaring parameter array ARG
+    napi_value args[1] = { nullptr }; 
+ 
+    // Retrieve the passed parameters and place them in the parameter array 'rgs'
+    napi_get_cb_info(env, info, &argc, args , nullptr, nullptr); 
+ 
+    // Create int as an input parameter for ArkTS
+    napi_value argv = nullptr;     
+    napi_create_int32(env, 2, &argv ); 
+ 
+    // Call the incoming callback and return the result
+    napi_value result = nullptr; 
+    napi_call_function(env, nullptr, args[0], 1, &argv, &result); 
+    return result; 
+}
+//[End native_call_ts_cpp]
 
-static napi_value NAPI_Global_getRawFileContent(napi_env env, napi_callback_info info)
-{
+static napi_value NAPI_Global_SayHello(napi_env env, napi_callback_info info) {
     // TODO: implements the code;
 }
 EXTERN_C_START
 static napi_value Init(napi_env env, napi_value exports) {
     napi_property_descriptor desc[] = {
         {"add", nullptr, Add, nullptr, nullptr, nullptr, napi_default, nullptr},
+        {"nativeCallArkTS", nullptr, NativeCallArkTS, nullptr, nullptr, nullptr, napi_default, nullptr},
+        {"mapDemo", nullptr, Add, nullptr, nullptr, nullptr, napi_default, nullptr},
         {"ReadFile", nullptr, NAPI_Global_ReadFile, nullptr, nullptr, nullptr, napi_default, nullptr},
         {"addByLibPath", nullptr, NAPI_Global_addByLibPath, nullptr, nullptr, nullptr, napi_default, nullptr},
         {"callFunction", nullptr, NAPI_Global_callFunction, nullptr, nullptr, nullptr, napi_default, nullptr},
         {"getDisplayWidthAsync", nullptr, NAPI_Global_getDisplayWidthAsync, nullptr, nullptr, nullptr, napi_default,
          nullptr},
-        {"subSobyDlOpenSo", nullptr, NAPI_Global_subSobyDlOpenSo, nullptr, nullptr, nullptr, napi_default, nullptr },
-{ "getRawFileContent", nullptr, NAPI_Global_getRawFileContent, nullptr, nullptr, nullptr, napi_default, nullptr }
-    };
+        {"subSobyDlOpenSo", nullptr, NAPI_Global_subSobyDlOpenSo, nullptr, nullptr, nullptr, napi_default, nullptr},
+        {"getRawFileContent", nullptr, NAPI_Global_getRawFileContent, nullptr, nullptr, nullptr, napi_default, nullptr},
+        {"SayHello", nullptr, NAPI_Global_SayHello, nullptr, nullptr, nullptr, napi_default, nullptr }};
     napi_define_properties(env, exports, sizeof(desc) / sizeof(desc[0]), desc);
     return exports;
 }
@@ -73,11 +108,8 @@ static napi_module demoModule = {
     .nm_filename = nullptr,
     .nm_register_func = Init,
     .nm_modname = "entry",
-    .nm_priv = ((void*)0),
-    .reserved = { 0 },
+    .nm_priv = ((void *)0),
+    .reserved = {0},
 };
 
-extern "C" __attribute__((constructor)) void RegisterEntryModule(void)
-{
-    napi_module_register(&demoModule);
-}
+extern "C" __attribute__((constructor)) void RegisterEntryModule(void) { napi_module_register(&demoModule); }
diff --git a/NdkDevelopment/entry/src/main/cpp/napi_read_arkts_object.cpp b/NdkDevelopment/entry/src/main/cpp/napi_read_arkts_object.cpp
index 321c84310d9809f5a672a508548a45a101d61fdd..4272f91c21a38026690b6787533f37ee4e487595 100644
--- a/NdkDevelopment/entry/src/main/cpp/napi_read_arkts_object.cpp
+++ b/NdkDevelopment/entry/src/main/cpp/napi_read_arkts_object.cpp
@@ -1,45 +1,46 @@
 /*
-* Copyright (c) 2024 Huawei Device Co., Ltd.
-* Licensed under the Apache License, Version 2.0 (the "License");
-* you may not use this file except in compliance with the License.
-* You may obtain a copy of the License at
-*
-* http://www.apache.org/licenses/LICENSE-2.0
-*
-* Unless required by applicable law or agreed to in writing, software
-* distributed under the License is distributed on an "AS IS" BASIS,
-* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-* See the License for the specific language governing permissions and
-* limitations under the License.
-*/
+ * Copyright (c) 2024 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 
 /*
-* FAQ:Native侧如何获取ArkTS侧Object对象及其成员变量
-*/
+ * FAQ:Native侧如何获取ArkTS侧Object对象及其成员变量
+ */
 
 // [Start napi_read_arkts_object]
 // Pass in the instance object and call the function in the object on the C side
-#include "napi/native_api.h" 
-static napi_value CallFunction(napi_env env, napi_callback_info info) { 
+#include "napi/native_api.h"
+static napi_value CallFunction(napi_env env, napi_callback_info info) {
     // Get the instance object
-    size_t argc = 1; 
-    napi_value args[1] = {nullptr}; 
-    napi_get_cb_info(env, info, &argc, args, NULL, NULL); 
+    size_t argc = 1;
+    napi_value args[1] = {nullptr};
+    napi_get_cb_info(env, info, &argc, args, NULL, NULL);
     // A method to get an object
-    napi_value onCall; 
-    napi_get_named_property(env, args[0], "onCall", &onCall); 
+    napi_value onCall;
+    napi_get_named_property(env, args[0], "onCall", &onCall);
     // Call a function in an object
-    napi_value res; 
-    napi_call_function(env, args[0], onCall, 0, nullptr, &res); 
-    return onCall; 
-} 
-EXTERN_C_START 
-static napi_value Init(napi_env env, napi_value exports) { 
-    napi_property_descriptor desc[] = { 
-        {"callFunction", nullptr, CallFunction, nullptr, nullptr, nullptr, napi_default, nullptr}}; 
-    napi_define_properties(env, exports, sizeof(desc) / sizeof(desc[0]), desc); 
-    return exports; 
+    napi_value res;
+    napi_call_function(env, args[0], onCall, 0, nullptr, &res);
+    return onCall;
+}
+EXTERN_C_START
+static napi_value Init(napi_env env, napi_value exports) {
+    napi_property_descriptor desc[] = {
+        {"callFunction", nullptr, CallFunction, nullptr, nullptr, nullptr, napi_default, nullptr}};
+    napi_define_properties(env, exports, sizeof(desc) / sizeof(desc[0]), desc);
+    return exports;
+}
 }
 // [StartExclude napi_read_arkts_object]
 // [EndExclude napi_read_arkts_object]
-// [End napi_read_arkts_object]
+// [End napi_read_arkts_object]
\ No newline at end of file
diff --git a/NdkDevelopment/entry/src/main/cpp/napi_str_len.cpp b/NdkDevelopment/entry/src/main/cpp/napi_str_len.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..aae493f303baf432b9179fd6f2b0262868a7ec41
--- /dev/null
+++ b/NdkDevelopment/entry/src/main/cpp/napi_str_len.cpp
@@ -0,0 +1,22 @@
+//
+// Created on 2025/5/21.
+//
+// Node APIs are not fully supported. To solve the compilation error of the interface cannot be found,
+// please include "napi/native_api.h".
+//FAQ:在Native侧如何精准获取ArkTS侧传入的字符串长度
+#include "napi/native_api.h"
+
+//[Start get_str_len]
+static napi_value TestFunc(napi_env env, napi_callback_info info) 
+{ 
+    size_t argc = 1; 
+    napi_value args[1] = {nullptr}; 
+    napi_get_cb_info(env, info, &argc, args , nullptr, nullptr); 
+     
+    size_t len = 0; 
+    napi_get_value_string_utf8(env, args[0], nullptr, 0, &len);    // Get string length to len 
+    char* buf = new char[len+1];                                   // Allocate a char array of appropriate size
+    napi_get_value_string_utf8(env, args[0], buf, len + 1, &len);  // get string 
+    // ... 
+}
+//[End get_str_len]
\ No newline at end of file
diff --git a/NdkDevelopment/entry/src/main/cpp/napi_str_truncation.cpp b/NdkDevelopment/entry/src/main/cpp/napi_str_truncation.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..e71a302fe484fa1bf410b176cc869421586f0761
--- /dev/null
+++ b/NdkDevelopment/entry/src/main/cpp/napi_str_truncation.cpp
@@ -0,0 +1,54 @@
+//
+// Created on 2025/5/21.
+//
+// Node APIs are not fully supported. To solve the compilation error of the interface cannot be found,
+// please include "napi/native_api.h".
+// FAQ:在Native侧如何处理ArkTS侧传入的字符串被截断的异常场景
+#include "napi/native_api.h"
+#include <hilog/log.h>
+#define LOG_TAG NULL
+
+
+class Test {
+public:
+    static napi_value TestFunc(napi_env env, napi_callback_info info);
+};
+
+//[Start test_func1]
+static napi_value TestFunc1(napi_env env, napi_callback_info info) {
+    size_t argc = 1;
+    napi_value args[1] = {nullptr};
+    napi_get_cb_info(env, info, &argc, args, nullptr, nullptr);
+
+    size_t len = 0;
+    char buf[5];                                               // Allocate a char array of length 5
+    napi_get_value_string_utf8(env, args[0], buf, 1024, &len); // Get string, buf result is' abcde'
+    // ...
+}
+//[End test_func1]
+//[Start test_func2]
+static napi_value TestFunc2(napi_env env, napi_callback_info info) {
+    size_t argc = 1;
+    napi_value args[1] = {nullptr};
+    napi_get_cb_info(env, info, &argc, args, nullptr, nullptr);
+
+    size_t len = 0;
+    char buf[1024];
+    napi_get_value_string_utf8(env, args[0], buf, 5, &len); // Get string, buf result is' abcde'
+    // ...
+}
+//[End test_func2]
+//[Start test_func3]
+napi_value Test::TestFunc(napi_env env, napi_callback_info info) {
+    size_t argc = 1;
+    napi_value args[1] = {nullptr};
+    napi_get_cb_info(env, info, &argc, args, nullptr, nullptr);
+
+    size_t len = 0;
+    napi_get_value_string_utf8(env, args[0], nullptr, 0, &len);   // Get string length to len
+    char *buf = new char[len + 1];                                // Allocate a char array of appropriate size
+    napi_get_value_string_utf8(env, args[0], buf, len + 1, &len); // get string
+    OH_LOG_ERROR(LOG_APP, "result is:  b:%{public}s.", buf);
+    return nullptr;
+}
+//[End test_func3]
\ No newline at end of file
diff --git a/NdkDevelopment/entry/src/main/cpp/types/libentry/Index.d.ts b/NdkDevelopment/entry/src/main/cpp/types/libentry/Index.d.ts
index 54d8504161c599142ad3fc0489cd6a2cbd864fb0..0143de7899857937e7bd3240ff53ba5250002b6e 100644
--- a/NdkDevelopment/entry/src/main/cpp/types/libentry/Index.d.ts
+++ b/NdkDevelopment/entry/src/main/cpp/types/libentry/Index.d.ts
@@ -1,3 +1,8 @@
+export const mapDemo: (a: string, b: number) => void;
+
+export const nativeCallArkTS: (a: object) => number;
+
+export const SayHello: (arg0: string) => string;
 export const add: (a: number, b: number) => number;
 export const ReadFile: (fd: number, fd1: number) => void;
 
diff --git a/NdkDevelopment/entry/src/main/ets/pages/AkiPage.ets b/NdkDevelopment/entry/src/main/ets/pages/AkiPage.ets
new file mode 100644
index 0000000000000000000000000000000000000000..61b452015949c1a43307d19fb2ed4fe4a0d4b312
--- /dev/null
+++ b/NdkDevelopment/entry/src/main/ets/pages/AkiPage.ets
@@ -0,0 +1,25 @@
+// FAQ:如何通过AKI三方库实现ArkTS与C/C++之间的跨语言调用
+// [Start aki_ets]
+import aki from 'libentry.so' // *. so compiled from the project
+
+@Entry
+@Component
+struct Index {
+  @State message: string = 'Hello World';
+
+  build() {
+    Row() {
+      Column() {
+        Text(this.message)
+          .fontSize(50)
+          .fontWeight(FontWeight.Bold)
+          .onClick(() => {
+            console.info(aki.SayHello("hello world")); // Call the code interface in the. so file
+          })
+      }
+      .width('100%')
+    }
+    .height('100%')
+  }
+}
+// [End aki_ets]
\ No newline at end of file
diff --git a/NdkDevelopment/entry/src/main/ets/pages/NativeCallArkTS.ets b/NdkDevelopment/entry/src/main/ets/pages/NativeCallArkTS.ets
new file mode 100644
index 0000000000000000000000000000000000000000..30bc8aef2f435c0c82b03e693a0cf26675ce07b0
--- /dev/null
+++ b/NdkDevelopment/entry/src/main/ets/pages/NativeCallArkTS.ets
@@ -0,0 +1,31 @@
+//FAQ:Native如何调ArkTS的方法
+// [Start native_call_ts_ets]
+// Introduce native capabilities through import.
+import nativeModule from 'libentry.so'
+
+
+@Entry
+@Component
+struct InvokeArkTSMethod {
+  @State message: string = 'Test Node-API nativeCallArkTS result: ';
+
+
+  build() {
+    Row() {
+      Column() {
+        // Call the nativeCallArkTS method, corresponding to the Native NativeCallArkTS, and call the ArkTS function in Native.
+        Text(this.message)
+          .fontSize(50)
+          .fontWeight(FontWeight.Bold)
+          .onClick(() => {
+            this.message += nativeModule.nativeCallArkTS((a: number) => {
+              return a * 2;
+            });
+          })
+      }
+      .width('100%')
+    }
+    .height('100%')
+  }
+}
+// [End native_call_ts_ets]
\ No newline at end of file
diff --git a/NdkDevelopment/entry/src/main/ets/pages/hashmap.ets b/NdkDevelopment/entry/src/main/ets/pages/hashmap.ets
new file mode 100644
index 0000000000000000000000000000000000000000..5f60739ee34a4e451bdd43dae890b0ddb1b1abe9
--- /dev/null
+++ b/NdkDevelopment/entry/src/main/ets/pages/hashmap.ets
@@ -0,0 +1,16 @@
+// FAQ:ArkTS侧与Native侧如何进行map数据交互
+import { HashMap } from '@kit.ArkTS'
+import testNapi from 'libentry.so';
+
+const testFn = ()=>{
+  // [Start hash_map_fn]
+  let hashmap: HashMap<string, number> = new HashMap()
+  hashmap.set("Abc", 123)
+  hashmap.set("Bcd", 234)
+  hashmap.set("Cde", 345)
+  for (let key of hashmap.keys()) {
+    testNapi.mapDemo(key, hashmap.get(key))
+    console.info(`key is ${key}, value is ${hashmap.get(key)}`)
+  }
+  // [End hash_map_fn]
+}
\ No newline at end of file
diff --git a/NdkDevelopment/libcpp1/.gitignore b/NdkDevelopment/libcpp1/.gitignore
new file mode 100644
index 0000000000000000000000000000000000000000..e2713a2779c5a3e0eb879efe6115455592caeea5
--- /dev/null
+++ b/NdkDevelopment/libcpp1/.gitignore
@@ -0,0 +1,6 @@
+/node_modules
+/oh_modules
+/.preview
+/build
+/.cxx
+/.test
\ No newline at end of file
diff --git a/NdkDevelopment/libcpp1/build-profile.json5 b/NdkDevelopment/libcpp1/build-profile.json5
new file mode 100644
index 0000000000000000000000000000000000000000..38bdcc9929e2c5bd7f51c4fc96a398ccebd0d6ce
--- /dev/null
+++ b/NdkDevelopment/libcpp1/build-profile.json5
@@ -0,0 +1,39 @@
+{
+  "apiType": "stageMode",
+  "buildOption": {
+    "externalNativeOptions": {
+      "path": "./src/main/cpp/CMakeLists.txt",
+      "arguments": "",
+      "cppFlags": "",
+    }
+  },
+  "buildOptionSet": [
+    {
+      "name": "release",
+      "arkOptions": {
+        "obfuscation": {
+          "ruleOptions": {
+            "enable": false,
+            "files": [
+              "./obfuscation-rules.txt"
+            ]
+          }
+        }
+      },
+      "nativeLib": {
+        "debugSymbol": {
+          "strip": true,
+          "exclude": []
+        }
+      }
+    },
+  ],
+  "targets": [
+    {
+      "name": "default"
+    },
+    {
+      "name": "ohosTest",
+    }
+  ]
+}
\ No newline at end of file
diff --git a/NdkDevelopment/libcpp1/hvigorfile.ts b/NdkDevelopment/libcpp1/hvigorfile.ts
new file mode 100644
index 0000000000000000000000000000000000000000..c6edcd90486dd5a853cf7d34c8647f08414ca7a3
--- /dev/null
+++ b/NdkDevelopment/libcpp1/hvigorfile.ts
@@ -0,0 +1,6 @@
+import { hapTasks } from '@ohos/hvigor-ohos-plugin';
+
+export default {
+    system: hapTasks,  /* Built-in plugin of Hvigor. It cannot be modified. */
+    plugins:[]         /* Custom plugin to extend the functionality of Hvigor. */
+}
diff --git a/NdkDevelopment/libcpp1/obfuscation-rules.txt b/NdkDevelopment/libcpp1/obfuscation-rules.txt
new file mode 100644
index 0000000000000000000000000000000000000000..272efb6ca3f240859091bbbfc7c5802d52793b0b
--- /dev/null
+++ b/NdkDevelopment/libcpp1/obfuscation-rules.txt
@@ -0,0 +1,23 @@
+# Define project specific obfuscation rules here.
+# You can include the obfuscation configuration files in the current module's build-profile.json5.
+#
+# For more details, see
+#   https://developer.huawei.com/consumer/cn/doc/harmonyos-guides-V5/source-obfuscation-V5
+
+# Obfuscation options:
+# -disable-obfuscation: disable all obfuscations
+# -enable-property-obfuscation: obfuscate the property names
+# -enable-toplevel-obfuscation: obfuscate the names in the global scope
+# -compact: remove unnecessary blank spaces and all line feeds
+# -remove-log: remove all console.* statements
+# -print-namecache: print the name cache that contains the mapping from the old names to new names
+# -apply-namecache: reuse the given cache file
+
+# Keep options:
+# -keep-property-name: specifies property names that you want to keep
+# -keep-global-name: specifies names that you want to keep in the global scope
+
+-enable-property-obfuscation
+-enable-toplevel-obfuscation
+-enable-filename-obfuscation
+-enable-export-obfuscation
\ No newline at end of file
diff --git a/NdkDevelopment/libcpp1/oh-package-lock.json5 b/NdkDevelopment/libcpp1/oh-package-lock.json5
new file mode 100644
index 0000000000000000000000000000000000000000..5c8c8d64769f4712bca04df64e51eb46442cbc59
--- /dev/null
+++ b/NdkDevelopment/libcpp1/oh-package-lock.json5
@@ -0,0 +1,18 @@
+{
+  "meta": {
+    "stableOrder": true
+  },
+  "lockfileVersion": 3,
+  "ATTENTION": "THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.",
+  "specifiers": {
+    "libentry.so@src/main/cpp/types/libentry": "libentry.so@src/main/cpp/types/libentry"
+  },
+  "packages": {
+    "libentry.so@src/main/cpp/types/libentry": {
+      "name": "libentry.so",
+      "version": "1.0.0",
+      "resolved": "src/main/cpp/types/libentry",
+      "registryType": "local"
+    }
+  }
+}
\ No newline at end of file
diff --git a/NdkDevelopment/libcpp1/oh-package.json5 b/NdkDevelopment/libcpp1/oh-package.json5
new file mode 100644
index 0000000000000000000000000000000000000000..fdf3fb68e2e294f7ec1538ccfbe930886c023b53
--- /dev/null
+++ b/NdkDevelopment/libcpp1/oh-package.json5
@@ -0,0 +1,11 @@
+{
+  "name": "libcpp1",
+  "version": "1.0.0",
+  "description": "Please describe the basic information.",
+  "main": "",
+  "author": "",
+  "license": "",
+  "dependencies": {
+    "libentry.so": "file:./src/main/cpp/types/libentry"
+  }
+}
\ No newline at end of file
diff --git a/NdkDevelopment/libcpp1/src/main/cpp/CGetArkTSObject.h b/NdkDevelopment/libcpp1/src/main/cpp/CGetArkTSObject.h
new file mode 100644
index 0000000000000000000000000000000000000000..46c8b5d244dbe6e987e7fe54add8be7d479b2df7
--- /dev/null
+++ b/NdkDevelopment/libcpp1/src/main/cpp/CGetArkTSObject.h
@@ -0,0 +1,14 @@
+//
+// Created on 2025/5/21.
+//
+// Node APIs are not fully supported. To solve the compilation error of the interface cannot be found,
+// please include "napi/native_api.h".
+#include "napi/native_api.h" 
+
+#ifndef NDKDEVELOPMENT_CGETARKTSOBJECT_H
+#define NDKDEVELOPMENT_CGETARKTSOBJECT_H
+class CGetArkTSObject {
+    public:
+    static napi_value Cal(napi_env env, napi_callback_info info);
+};
+#endif //NDKDEVELOPMENT_CGETARKTSOBJECT_H
diff --git a/NdkDevelopment/libcpp1/src/main/cpp/CMakeLists.txt b/NdkDevelopment/libcpp1/src/main/cpp/CMakeLists.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4b817a33eabb1d3d65fb5350cb3a643fc1bbafca
--- /dev/null
+++ b/NdkDevelopment/libcpp1/src/main/cpp/CMakeLists.txt
@@ -0,0 +1,15 @@
+# the minimum version of CMake.
+cmake_minimum_required(VERSION 3.5.0)
+project(NdkDevelopment)
+
+set(NATIVERENDER_ROOT_PATH ${CMAKE_CURRENT_SOURCE_DIR})
+
+if(DEFINED PACKAGE_FIND_FILE)
+    include(${PACKAGE_FIND_FILE})
+endif()
+
+include_directories(${NATIVERENDER_ROOT_PATH}
+                    ${NATIVERENDER_ROOT_PATH}/include)
+
+add_library(entry SHARED napi_init.cpp)
+target_link_libraries(entry PUBLIC libace_napi.z.so)
\ No newline at end of file
diff --git a/NdkDevelopment/libcpp1/src/main/cpp/UintArr.h b/NdkDevelopment/libcpp1/src/main/cpp/UintArr.h
new file mode 100644
index 0000000000000000000000000000000000000000..aee8a051e7dfa3ea5da6355f963752022e4b4854
--- /dev/null
+++ b/NdkDevelopment/libcpp1/src/main/cpp/UintArr.h
@@ -0,0 +1,14 @@
+//
+// Created on 2025/5/21.
+//
+// Node APIs are not fully supported. To solve the compilation error of the interface cannot be found,
+// please include "napi/native_api.h".
+
+#ifndef NDKDEVELOPMENT_UINTARR_H
+#define NDKDEVELOPMENT_UINTARR_H
+#include "napi/native_api.h" 
+class Demo1 {
+    public:
+    static napi_value UintArr(napi_env env, napi_callback_info info);
+};
+#endif //NDKDEVELOPMENT_UINTARR_H
diff --git a/NdkDevelopment/libcpp1/src/main/cpp/napi_create_arkts.cpp b/NdkDevelopment/libcpp1/src/main/cpp/napi_create_arkts.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..137d2fa8074cff3cc95385e6f0189e189a557c0b
--- /dev/null
+++ b/NdkDevelopment/libcpp1/src/main/cpp/napi_create_arkts.cpp
@@ -0,0 +1,25 @@
+//
+// Created on 2025/5/21.
+//
+// Node APIs are not fully supported. To solve the compilation error of the interface cannot be found,
+// please include "napi/native_api.h".
+//FAQ:如何在Native侧构建一个ArkTS对象
+#include "napi/native_api.h"
+
+static napi_value CallbackToArkTS(napi_env env, napi_callback_info info) {
+    // [Start napi_create_arkts1]
+    // Create object arg_order in the native layer
+    napi_value arg_object;
+    napi_create_object(env, &arg_object);
+    // [End napi_create_arkts1]
+    
+    // [Start napi_create_arkts2]
+    napi_value testNum, testString;
+    // Set the property testNum and assign a value of 123 to the arg_order object created above
+    napi_create_int32(env, 123, &testNum);
+    napi_set_named_property(env, arg_object, "testNum", testNum);
+    // Set the property testString and assign 'Pure' to the arg_order object created above
+    napi_create_string_utf8(env, "Pure", NAPI_AUTO_LENGTH, &testString);
+    napi_set_named_property(env, arg_object, "testString", testString);
+    // [End napi_create_arkts2]
+} 
diff --git a/NdkDevelopment/libcpp1/src/main/cpp/napi_get_arkts_object.cpp b/NdkDevelopment/libcpp1/src/main/cpp/napi_get_arkts_object.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..c3b4870e52cf00aa580ca3ceb6617b5c58c74e80
--- /dev/null
+++ b/NdkDevelopment/libcpp1/src/main/cpp/napi_get_arkts_object.cpp
@@ -0,0 +1,45 @@
+//
+// Created on 2025/5/21.
+//
+// Node APIs are not fully supported. To solve the compilation error of the interface cannot be found,
+// please include "napi/native_api.h".
+// FAQ:Native侧如何获取ArkTS侧类实例
+#include "napi/native_api.h" 
+// [Start get_arkTs_object_cpp]
+// Retrieve class information and call class functions 
+#include "CGetArkTSObject.h" 
+napi_value CGetArkTSObject::Cal(napi_env env, napi_callback_info info) { 
+    size_t argc = 4; 
+    napi_value args[4] = {nullptr}; 
+    napi_get_cb_info(env, info, &argc, args, nullptr, nullptr); 
+ 
+    double value0; 
+    napi_get_value_double(env, args[0], &value0); 
+ 
+    double value1; 
+    napi_get_value_double(env, args[1], &value1); 
+ 
+    // Construct class instances
+    napi_value demo; 
+    napi_create_object(env, &demo); 
+    napi_coerce_to_object(env, args[2], &demo); 
+ 
+    bool flag; 
+    napi_get_value_bool(env, args[3], &flag); 
+ 
+    // Get the add and sub functions of class instances
+    napi_value add, sub, num; 
+    napi_get_named_property(env, demo, "add", &add); 
+    napi_get_named_property(env, demo, "sub", &sub); 
+ 
+    // Call ArkTS function
+    napi_value result; 
+    if (flag) { 
+        napi_call_function(env, nullptr, add, 2, args, &result); 
+    } else { 
+        napi_call_function(env, nullptr, sub, 2, args, &result); 
+    } 
+ 
+    return result; 
+}
+// [End get_arkTs_object_cpp]
\ No newline at end of file
diff --git a/NdkDevelopment/libcpp1/src/main/cpp/napi_init.cpp b/NdkDevelopment/libcpp1/src/main/cpp/napi_init.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..03f28e735a7559f1b1c92f750201223fd1dcea80
--- /dev/null
+++ b/NdkDevelopment/libcpp1/src/main/cpp/napi_init.cpp
@@ -0,0 +1,64 @@
+//FAQ:ArkTS侧如何接收Native侧的键值对进行修改并返回到Native侧
+// [Start call_back_to_arkts_cpp]
+#include "napi/native_api.h" 
+#include "hilog/log.h" 
+#undef LOG_DOMAIN 
+#undef LOG_TAG 
+#define LOG_DOMAIN 0x3200 
+#define LOG_TAG "MY_TAG" 
+ 
+static bool Napi_AddPropertyInt32(napi_env env, napi_value obj, const char *key, int32_t value) { 
+    napi_value key_napi = nullptr; 
+    napi_status status = napi_create_string_utf8(env, key, NAPI_AUTO_LENGTH, &key_napi); 
+    napi_value value_napi = nullptr; 
+    status = napi_create_int32(env, value, &value_napi); 
+    status = napi_set_property(env, obj, key_napi, value_napi); 
+    return true; 
+} 
+static  napi_value CallbackToArkTS(napi_env env, napi_callback_info info) { 
+    size_t argc = 1; 
+    napi_value args[1] = {nullptr}; 
+    napi_get_cb_info(env, info, &argc, args, nullptr, nullptr); 
+    // Native callback to ArkTS layer object
+    napi_value argv = nullptr; 
+    napi_create_object(env, &argv); 
+    Napi_AddPropertyInt32(env, argv, "type", 1); 
+    Napi_AddPropertyInt32(env, argv, "index", 2); 
+    // Native callback to ArkTS layer
+    napi_value result = nullptr; 
+    napi_call_function(env, NULL, args[0], 1, &argv, &result); 
+    // Obtain the modified object of ArkTS
+    napi_value typeNumber = nullptr; 
+    napi_get_named_property(env, result, "type", &typeNumber); 
+    int32_t number; 
+    napi_get_value_int32(env, typeNumber, &number); 
+    OH_LOG_INFO(LOG_APP, "ArkTS modified type：%{public}d", number); 
+    // Return the modified object
+    return result; 
+} 
+EXTERN_C_START 
+static napi_value Init(napi_env env, napi_value exports) 
+{ 
+    napi_property_descriptor desc[] = { 
+        { "callbackToArkTS", nullptr, CallbackToArkTS, nullptr, nullptr, nullptr, napi_default, nullptr } 
+    }; 
+    napi_define_properties(env, exports, sizeof(desc) / sizeof(desc[0]), desc); 
+    return exports; 
+} 
+EXTERN_C_END 
+// [End call_back_to_arkts_cpp]
+
+static napi_module demoModule = {
+    .nm_version = 1,
+    .nm_flags = 0,
+    .nm_filename = nullptr,
+    .nm_register_func = Init,
+    .nm_modname = "entry",
+    .nm_priv = ((void*)0),
+    .reserved = { 0 },
+};
+
+extern "C" __attribute__((constructor)) void RegisterLibcpp1Module(void)
+{
+    napi_module_register(&demoModule);
+}
diff --git a/NdkDevelopment/libcpp1/src/main/cpp/napi_unit8_array.cpp b/NdkDevelopment/libcpp1/src/main/cpp/napi_unit8_array.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..7cb908ad290f4b04aa7762f94aebed788ce7cbc4
--- /dev/null
+++ b/NdkDevelopment/libcpp1/src/main/cpp/napi_unit8_array.cpp
@@ -0,0 +1,50 @@
+//
+// Created on 2025/5/21.
+//
+// Node APIs are not fully supported. To solve the compilation error of the interface cannot be found,
+// please include "napi/native_api.h".
+
+// FAQ:Native侧获取Uint8Array参数并返回到ArkTS侧 
+#include "napi/native_api.h" 
+// [Start napi_unit8_array]
+#include "UintArr.h"
+
+napi_value Demo1::UintArr(napi_env env, napi_callback_info info) { 
+    size_t requireArgc = 1; 
+    size_t argc = 1; 
+    napi_value args[1] = {nullptr}; 
+ 
+    napi_get_cb_info(env, info, &argc, args, nullptr, nullptr); 
+ 
+    napi_value inputArray = args[0]; 
+ 
+    // Get the ArrayBuffer type
+    napi_typedarray_type type; 
+    napi_value inArrayBuffer; 
+    size_t byteOffset; 
+    size_t length; 
+    napi_get_typedarray_info(env, inputArray, &type, &length, nullptr, &inArrayBuffer, &byteOffset); 
+    if (type != napi_uint8_array) { 
+        return nullptr; 
+    } 
+     
+    // Retrieve information from the ArrayBuffer 
+    void *data = nullptr; 
+    size_t byte_length; 
+    napi_get_arraybuffer_info(env, inArrayBuffer, &data, &byte_length); 
+ 
+    // Construct an ArrayBuffer and assign a value 
+    napi_value output_buffer; 
+    void *output_ptr = nullptr; 
+    napi_create_arraybuffer(env, byte_length, &output_ptr, &output_buffer); 
+    napi_value outputArray; 
+    napi_create_typedarray(env, type, length, output_buffer, byteOffset, &outputArray); 
+    uint8_t *input_bytes = (uint8_t *)(data) + byteOffset; 
+    uint8_t *array = (uint8_t *)(output_ptr); 
+    for (size_t idx = 0; idx < length; idx++) { 
+        array[idx] = 3; 
+    } 
+ 
+    return outputArray; 
+}
+// [End napi_unit8_array]
\ No newline at end of file
diff --git a/NdkDevelopment/libcpp1/src/main/cpp/types/libentry/Index.d.ts b/NdkDevelopment/libcpp1/src/main/cpp/types/libentry/Index.d.ts
new file mode 100644
index 0000000000000000000000000000000000000000..aecfaca2dc76f54078290872e2e727acdf178e07
--- /dev/null
+++ b/NdkDevelopment/libcpp1/src/main/cpp/types/libentry/Index.d.ts
@@ -0,0 +1 @@
+export const callbackToArkTS: (a: object) => Record<string, number>
\ No newline at end of file
diff --git a/NdkDevelopment/libcpp1/src/main/cpp/types/libentry/oh-package.json5 b/NdkDevelopment/libcpp1/src/main/cpp/types/libentry/oh-package.json5
new file mode 100644
index 0000000000000000000000000000000000000000..ea410725a8826704d061021d98cf02aa76cd8016
--- /dev/null
+++ b/NdkDevelopment/libcpp1/src/main/cpp/types/libentry/oh-package.json5
@@ -0,0 +1,6 @@
+{
+  "name": "libentry.so",
+  "types": "./Index.d.ts",
+  "version": "1.0.0",
+  "description": "Please describe the basic information."
+}
\ No newline at end of file
diff --git a/NdkDevelopment/libcpp1/src/main/ets/libcpp1ability/Libcpp1Ability.ets b/NdkDevelopment/libcpp1/src/main/ets/libcpp1ability/Libcpp1Ability.ets
new file mode 100644
index 0000000000000000000000000000000000000000..701f4eea5e38563792a35ebacf2f9b7183450986
--- /dev/null
+++ b/NdkDevelopment/libcpp1/src/main/ets/libcpp1ability/Libcpp1Ability.ets
@@ -0,0 +1,43 @@
+import { AbilityConstant, UIAbility, Want } from '@kit.AbilityKit';
+import { hilog } from '@kit.PerformanceAnalysisKit';
+import { window } from '@kit.ArkUI';
+
+const DOMAIN = 0x0000;
+
+export default class Libcpp1Ability extends UIAbility {
+  onCreate(want: Want, launchParam: AbilityConstant.LaunchParam): void {
+    hilog.info(DOMAIN, 'testTag', '%{public}s', 'Ability onCreate');
+  }
+
+  onDestroy(): void {
+    hilog.info(DOMAIN, 'testTag', '%{public}s', 'Ability onDestroy');
+  }
+
+  onWindowStageCreate(windowStage: window.WindowStage): void {
+    // Main window is created, set main page for this ability
+    hilog.info(DOMAIN, 'testTag', '%{public}s', 'Ability onWindowStageCreate');
+
+    windowStage.loadContent('pages/Index', (err) => {
+      if (err.code) {
+        hilog.error(DOMAIN, 'testTag', 'Failed to load the content. Cause: %{public}s', JSON.stringify(err));
+        return;
+      }
+      hilog.info(DOMAIN, 'testTag', 'Succeeded in loading the content.');
+    });
+  }
+
+  onWindowStageDestroy(): void {
+    // Main window is destroyed, release UI related resources
+    hilog.info(DOMAIN, 'testTag', '%{public}s', 'Ability onWindowStageDestroy');
+  }
+
+  onForeground(): void {
+    // Ability has brought to foreground
+    hilog.info(DOMAIN, 'testTag', '%{public}s', 'Ability onForeground');
+  }
+
+  onBackground(): void {
+    // Ability has back to background
+    hilog.info(DOMAIN, 'testTag', '%{public}s', 'Ability onBackground');
+  }
+}
diff --git a/NdkDevelopment/libcpp1/src/main/ets/pages/CallbackToArkts.ets b/NdkDevelopment/libcpp1/src/main/ets/pages/CallbackToArkts.ets
new file mode 100644
index 0000000000000000000000000000000000000000..ad1aca6abb36a8a089a5c3acde555419f345645a
--- /dev/null
+++ b/NdkDevelopment/libcpp1/src/main/ets/pages/CallbackToArkts.ets
@@ -0,0 +1,36 @@
+//FAQ:ArkTS侧如何接收Native侧的键值对进行修改并返回到Native侧
+// [Start call_back_to_arkts_ets]
+import testNapi from 'libentry.so';
+// [StartExclude call_back_to_arkts_ets1]
+const DOMAIN = 0x0000;
+
+@Entry
+@Component
+struct Index {
+  @State message: string = 'Hello World';
+  // [EndExclude call_back_to_arkts_ets1]
+  build() {
+    // [StartExclude call_back_to_arkts_ets2]
+    Row() {
+      Column() {
+        Text(this.message)
+          .fontSize($r('app.float.page_text_font_size'))
+          .fontWeight(FontWeight.Bold)
+            // [EndExclude call_back_to_arkts_ets2]
+          .onClick(() => {
+            let data: Record<string, number> = testNapi.callbackToArkTS((value: object) => {
+              let obj: Record<string, number> = value as Record<string, number>;
+              console.info("pre type:" + obj["type"].toString())
+              console.info(JSON.stringify(value))
+              obj["type"] += 10;
+              return value;
+            });
+            console.info(JSON.stringify(data))
+          })
+      }
+      // [End call_back_to_arkts_ets]
+      .width('100%')
+    }
+    .height('100%')
+  }
+}
diff --git a/NdkDevelopment/libcpp1/src/main/ets/pages/GetArktsObject.ets b/NdkDevelopment/libcpp1/src/main/ets/pages/GetArktsObject.ets
new file mode 100644
index 0000000000000000000000000000000000000000..4923700d2176fb74b1b8f01929eb42047d66872e
--- /dev/null
+++ b/NdkDevelopment/libcpp1/src/main/ets/pages/GetArktsObject.ets
@@ -0,0 +1,29 @@
+// FAQ:Native侧如何获取ArkTS侧类实例
+// [Start get_arkTs_object_page]
+// Pass parameters to the native side
+import testNapi from 'libentry.so';
+import demo from './interface/ClassDemo1'
+
+@Entry
+@Component
+struct Index {
+  @State message: string = 'Hello World';
+
+  build() {
+    Row() {
+      Column() {
+        Text(this.message)
+          .fontSize(50)
+          .fontWeight(FontWeight.Bold)
+          .onClick(() => {
+            let flag:Boolean = false;
+            console.info(`Test NAPI Result is ${testNapi.cal(2, 3, demo, true)}`)
+            console.info(`Num is  ${demo.add(3,2)}`)
+          })
+      }
+      .width('100%')
+    }
+    .height('100%')
+  }
+}
+// [End get_arkTs_object_page]
\ No newline at end of file
diff --git a/NdkDevelopment/libcpp1/src/main/ets/pages/Index.ets b/NdkDevelopment/libcpp1/src/main/ets/pages/Index.ets
new file mode 100644
index 0000000000000000000000000000000000000000..cd35f054ca946e612e4fb81900687857d40ae4c8
--- /dev/null
+++ b/NdkDevelopment/libcpp1/src/main/ets/pages/Index.ets
@@ -0,0 +1,24 @@
+import { hilog } from '@kit.PerformanceAnalysisKit';
+
+const DOMAIN = 0x0000;
+
+@Entry
+@Component
+struct Index {
+  @State message: string = 'Hello World';
+
+  build() {
+    Row() {
+      Column() {
+        Text(this.message)
+          .fontSize($r('app.float.page_text_font_size'))
+          .fontWeight(FontWeight.Bold)
+          .onClick(() => {
+            this.message = 'Welcome';
+          })
+      }
+      .width('100%')
+    }
+    .height('100%')
+  }
+}
diff --git a/NdkDevelopment/libcpp1/src/main/ets/pages/Unit8ArrayPage.ets b/NdkDevelopment/libcpp1/src/main/ets/pages/Unit8ArrayPage.ets
new file mode 100644
index 0000000000000000000000000000000000000000..0d2ed30093040b9588bd3a985d1f0fa43ab1d660
--- /dev/null
+++ b/NdkDevelopment/libcpp1/src/main/ets/pages/Unit8ArrayPage.ets
@@ -0,0 +1,32 @@
+// FAQ:Native侧获取Uint8Array参数并返回到ArkTS侧
+// [Start napi_unit8_array]
+
+// ArkTS passes Uint8Array parameter
+import testNapi from 'libentry.so';
+
+@Entry
+@Component
+struct Index {
+  @State message: string = 'Hello World';
+
+  build() {
+    Row() {
+      Column() {
+        Text(this.message)
+          .fontSize(50)
+          .fontWeight(FontWeight.Bold)
+          .onClick(() => {
+            let temp = new Uint8Array(2);
+            temp[0] = 1;
+            temp[1] = 2;
+            console.info(`Pure inputBuffer length: ${temp.length}`);
+            let res = testNapi.uintArr(temp);
+            console.info(`Pure outputBuffer: ${res}`);
+          })
+      }
+      .width('100%')
+    }
+    .height('100%')
+  }
+}
+// [End napi_unit8_array]
\ No newline at end of file
diff --git a/NdkDevelopment/libcpp1/src/main/ets/pages/interface/ClassDemo1.ets b/NdkDevelopment/libcpp1/src/main/ets/pages/interface/ClassDemo1.ets
new file mode 100644
index 0000000000000000000000000000000000000000..546ecaccdcf51aa69ea2692d4b653de190677ffb
--- /dev/null
+++ b/NdkDevelopment/libcpp1/src/main/ets/pages/interface/ClassDemo1.ets
@@ -0,0 +1,15 @@
+// FAQ:Native侧如何获取ArkTS侧类实例
+// [Start get_arkTs_object_class]
+// Declare Demo class
+class Demo {
+  add(a: number, b: number): number {
+    return a + b;
+  }
+
+  sub(a: number, b: number): number {
+    return a - b;
+  }
+}
+
+export default new Demo();
+// [End get_arkTs_object_class]
\ No newline at end of file
diff --git a/NdkDevelopment/libcpp1/src/main/module.json5 b/NdkDevelopment/libcpp1/src/main/module.json5
new file mode 100644
index 0000000000000000000000000000000000000000..8950fbcee6974aaef5cba83a641e8fb4a978e589
--- /dev/null
+++ b/NdkDevelopment/libcpp1/src/main/module.json5
@@ -0,0 +1,28 @@
+{
+  "module": {
+    "name": "libcpp1",
+    "type": "feature",
+    "description": "$string:module_desc",
+    "mainElement": "Libcpp1Ability",
+    "deviceTypes": [
+      "phone",
+      "tablet",
+      "2in1"
+    ],
+    "deliveryWithInstall": true,
+    "installationFree": false,
+    "pages": "$profile:main_pages",
+    "abilities": [
+      {
+        "name": "Libcpp1Ability",
+        "srcEntry": "./ets/libcpp1ability/Libcpp1Ability.ets",
+        "description": "$string:Libcpp1Ability_desc",
+        "icon": "$media:layered_image",
+        "label": "$string:Libcpp1Ability_label",
+        "startWindowIcon": "$media:startIcon",
+        "startWindowBackground": "$color:start_window_background",
+        "exported": true
+      }
+    ]
+  }
+}
\ No newline at end of file
diff --git a/NdkDevelopment/libcpp1/src/main/resources/base/element/color.json b/NdkDevelopment/libcpp1/src/main/resources/base/element/color.json
new file mode 100644
index 0000000000000000000000000000000000000000..3c712962da3c2751c2b9ddb53559afcbd2b54a02
--- /dev/null
+++ b/NdkDevelopment/libcpp1/src/main/resources/base/element/color.json
@@ -0,0 +1,8 @@
+{
+  "color": [
+    {
+      "name": "start_window_background",
+      "value": "#FFFFFF"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/NdkDevelopment/libcpp1/src/main/resources/base/element/float.json b/NdkDevelopment/libcpp1/src/main/resources/base/element/float.json
new file mode 100644
index 0000000000000000000000000000000000000000..33ea22304f9b1485b5f22d811023701b5d4e35b6
--- /dev/null
+++ b/NdkDevelopment/libcpp1/src/main/resources/base/element/float.json
@@ -0,0 +1,8 @@
+{
+  "float": [
+    {
+      "name": "page_text_font_size",
+      "value": "50fp"
+    }
+  ]
+}
diff --git a/NdkDevelopment/libcpp1/src/main/resources/base/element/string.json b/NdkDevelopment/libcpp1/src/main/resources/base/element/string.json
new file mode 100644
index 0000000000000000000000000000000000000000..1092c6c2f8254adfca96361670e777e7cb905518
--- /dev/null
+++ b/NdkDevelopment/libcpp1/src/main/resources/base/element/string.json
@@ -0,0 +1,16 @@
+{
+  "string": [
+    {
+      "name": "module_desc",
+      "value": "module description"
+    },
+    {
+      "name": "Libcpp1Ability_desc",
+      "value": "description"
+    },
+    {
+      "name": "Libcpp1Ability_label",
+      "value": "label"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/NdkDevelopment/libcpp1/src/main/resources/base/media/background.png b/NdkDevelopment/libcpp1/src/main/resources/base/media/background.png
new file mode 100644
index 0000000000000000000000000000000000000000..923f2b3f27e915d6871871deea0420eb45ce102f
Binary files /dev/null and b/NdkDevelopment/libcpp1/src/main/resources/base/media/background.png differ
diff --git a/NdkDevelopment/libcpp1/src/main/resources/base/media/foreground.png b/NdkDevelopment/libcpp1/src/main/resources/base/media/foreground.png
new file mode 100644
index 0000000000000000000000000000000000000000..97014d3e10e5ff511409c378cd4255713aecd85f
Binary files /dev/null and b/NdkDevelopment/libcpp1/src/main/resources/base/media/foreground.png differ
diff --git a/NdkDevelopment/libcpp1/src/main/resources/base/media/layered_image.json b/NdkDevelopment/libcpp1/src/main/resources/base/media/layered_image.json
new file mode 100644
index 0000000000000000000000000000000000000000..fb49920440fb4d246c82f9ada275e26123a2136a
--- /dev/null
+++ b/NdkDevelopment/libcpp1/src/main/resources/base/media/layered_image.json
@@ -0,0 +1,7 @@
+{
+  "layered-image":
+  {
+    "background" : "$media:background",
+    "foreground" : "$media:foreground"
+  }
+}
\ No newline at end of file
diff --git a/NdkDevelopment/libcpp1/src/main/resources/base/media/startIcon.png b/NdkDevelopment/libcpp1/src/main/resources/base/media/startIcon.png
new file mode 100644
index 0000000000000000000000000000000000000000..205ad8b5a8a42e8762fbe4899b8e5e31ce822b8b
Binary files /dev/null and b/NdkDevelopment/libcpp1/src/main/resources/base/media/startIcon.png differ
diff --git a/NdkDevelopment/libcpp1/src/main/resources/base/profile/main_pages.json b/NdkDevelopment/libcpp1/src/main/resources/base/profile/main_pages.json
new file mode 100644
index 0000000000000000000000000000000000000000..1898d94f58d6128ab712be2c68acc7c98e9ab9ce
--- /dev/null
+++ b/NdkDevelopment/libcpp1/src/main/resources/base/profile/main_pages.json
@@ -0,0 +1,5 @@
+{
+  "src": [
+    "pages/Index"
+  ]
+}
diff --git a/NdkDevelopment/libcpp1/src/mock/Liblibcpp1.mock.ets b/NdkDevelopment/libcpp1/src/mock/Liblibcpp1.mock.ets
new file mode 100644
index 0000000000000000000000000000000000000000..c2171716d040a605ef6af71e90b937a945f2677d
--- /dev/null
+++ b/NdkDevelopment/libcpp1/src/mock/Liblibcpp1.mock.ets
@@ -0,0 +1,7 @@
+const NativeMock: Record<string, Object> = {
+  'add': (a: number, b: number) => {
+    return a + b;
+  },
+};
+
+export default NativeMock;
\ No newline at end of file
diff --git a/NdkDevelopment/libcpp1/src/mock/mock-config.json5 b/NdkDevelopment/libcpp1/src/mock/mock-config.json5
new file mode 100644
index 0000000000000000000000000000000000000000..8360f55960934d9964eac50f67cb005c66b2682e
--- /dev/null
+++ b/NdkDevelopment/libcpp1/src/mock/mock-config.json5
@@ -0,0 +1,5 @@
+{
+  "liblibcpp1.so": {
+    "source": "src/mock/Liblibcpp1.mock.ets"
+  }
+}
\ No newline at end of file
diff --git a/NdkDevelopment/libcpp1/src/ohosTest/ets/test/Ability.test.ets b/NdkDevelopment/libcpp1/src/ohosTest/ets/test/Ability.test.ets
new file mode 100644
index 0000000000000000000000000000000000000000..85c78f67579d6e31b5f5aeea463e216b9b141048
--- /dev/null
+++ b/NdkDevelopment/libcpp1/src/ohosTest/ets/test/Ability.test.ets
@@ -0,0 +1,35 @@
+import { hilog } from '@kit.PerformanceAnalysisKit';
+import { describe, beforeAll, beforeEach, afterEach, afterAll, it, expect } from '@ohos/hypium';
+
+export default function abilityTest() {
+  describe('ActsAbilityTest', () => {
+    // Defines a test suite. Two parameters are supported: test suite name and test suite function.
+    beforeAll(() => {
+      // Presets an action, which is performed only once before all test cases of the test suite start.
+      // This API supports only one parameter: preset action function.
+    })
+    beforeEach(() => {
+      // Presets an action, which is performed before each unit test case starts.
+      // The number of execution times is the same as the number of test cases defined by **it**.
+      // This API supports only one parameter: preset action function.
+    })
+    afterEach(() => {
+      // Presets a clear action, which is performed after each unit test case ends.
+      // The number of execution times is the same as the number of test cases defined by **it**.
+      // This API supports only one parameter: clear action function.
+    })
+    afterAll(() => {
+      // Presets a clear action, which is performed after all test cases of the test suite end.
+      // This API supports only one parameter: clear action function.
+    })
+    it('assertContain', 0, () => {
+      // Defines a test case. This API supports three parameters: test case name, filter parameter, and test case function.
+      hilog.info(0x0000, 'testTag', '%{public}s', 'it begin');
+      let a = 'abc';
+      let b = 'b';
+      // Defines a variety of assertion methods, which are used to declare expected boolean conditions.
+      expect(a).assertContain(b);
+      expect(a).assertEqual(a);
+    })
+  })
+}
\ No newline at end of file
diff --git a/NdkDevelopment/libcpp1/src/ohosTest/ets/test/List.test.ets b/NdkDevelopment/libcpp1/src/ohosTest/ets/test/List.test.ets
new file mode 100644
index 0000000000000000000000000000000000000000..794c7dc4ed66bd98fa3865e07922906e2fcef545
--- /dev/null
+++ b/NdkDevelopment/libcpp1/src/ohosTest/ets/test/List.test.ets
@@ -0,0 +1,5 @@
+import abilityTest from './Ability.test';
+
+export default function testsuite() {
+  abilityTest();
+}
\ No newline at end of file
diff --git a/NdkDevelopment/libcpp1/src/ohosTest/module.json5 b/NdkDevelopment/libcpp1/src/ohosTest/module.json5
new file mode 100644
index 0000000000000000000000000000000000000000..491584b73c38e3f43e7c958cd5be0e120e19fbd4
--- /dev/null
+++ b/NdkDevelopment/libcpp1/src/ohosTest/module.json5
@@ -0,0 +1,13 @@
+{
+  "module": {
+    "name": "libcpp1_test",
+    "type": "feature",
+    "deviceTypes": [
+      "phone",
+      "tablet",
+      "2in1"
+    ],
+    "deliveryWithInstall": true,
+    "installationFree": false
+  }
+}
diff --git a/NdkDevelopment/libcpp1/src/test/List.test.ets b/NdkDevelopment/libcpp1/src/test/List.test.ets
new file mode 100644
index 0000000000000000000000000000000000000000..bb5b5c3731e283dd507c847560ee59bde477bbc7
--- /dev/null
+++ b/NdkDevelopment/libcpp1/src/test/List.test.ets
@@ -0,0 +1,5 @@
+import localUnitTest from './LocalUnit.test';
+
+export default function testsuite() {
+  localUnitTest();
+}
\ No newline at end of file
diff --git a/NdkDevelopment/libcpp1/src/test/LocalUnit.test.ets b/NdkDevelopment/libcpp1/src/test/LocalUnit.test.ets
new file mode 100644
index 0000000000000000000000000000000000000000..165fc1615ee8618b4cb6a622f144a9a707eee99f
--- /dev/null
+++ b/NdkDevelopment/libcpp1/src/test/LocalUnit.test.ets
@@ -0,0 +1,33 @@
+import { describe, beforeAll, beforeEach, afterEach, afterAll, it, expect } from '@ohos/hypium';
+
+export default function localUnitTest() {
+  describe('localUnitTest', () => {
+    // Defines a test suite. Two parameters are supported: test suite name and test suite function.
+    beforeAll(() => {
+      // Presets an action, which is performed only once before all test cases of the test suite start.
+      // This API supports only one parameter: preset action function.
+    });
+    beforeEach(() => {
+      // Presets an action, which is performed before each unit test case starts.
+      // The number of execution times is the same as the number of test cases defined by **it**.
+      // This API supports only one parameter: preset action function.
+    });
+    afterEach(() => {
+      // Presets a clear action, which is performed after each unit test case ends.
+      // The number of execution times is the same as the number of test cases defined by **it**.
+      // This API supports only one parameter: clear action function.
+    });
+    afterAll(() => {
+      // Presets a clear action, which is performed after all test cases of the test suite end.
+      // This API supports only one parameter: clear action function.
+    });
+    it('assertContain', 0, () => {
+      // Defines a test case. This API supports three parameters: test case name, filter parameter, and test case function.
+      let a = 'abc';
+      let b = 'b';
+      // Defines a variety of assertion methods, which are used to declare expected boolean conditions.
+      expect(a).assertContain(b);
+      expect(a).assertEqual(a);
+    });
+  });
+}
\ No newline at end of file