refactor: better folder structure

Author: wysaid

.vscode/tasks.json

@@ -829,7 +829,7 @@
             "command": "bash",
             "args": [
                 "-c",
-                "cd examples/android/CcapDemo && ./gradlew assembleDebug"
+                "cd examples/android && ./gradlew assembleDebug"
             ],
             "options": {
                 "cwd": "${workspaceFolder}"
@@ -855,7 +855,7 @@
             "command": "bash",
             "args": [
                 "-c",
-                "cd examples/android/CcapDemo && ./gradlew assembleRelease"
+                "cd examples/android && ./gradlew assembleRelease"
             ],
             "options": {
                 "cwd": "${workspaceFolder}"
@@ -881,7 +881,7 @@
             "command": "bash",
             "args": [
                 "-c",
-                "cd examples/android/CcapDemo && ./gradlew installDebug"
+                "cd examples/android && ./gradlew installDebug"
             ],
             "options": {
                 "cwd": "${workspaceFolder}"
@@ -906,7 +906,7 @@
             "command": "bash",
             "args": [
                 "-c",
-                "rm -rf build/android build/android-v7a && if [ -d examples/android/CcapDemo ]; then cd examples/android/CcapDemo && ./gradlew clean; fi"
+                "rm -rf build/android build/android-v7a && if [ -d examples/android ]; then cd examples/android && ./gradlew clean; fi"
             ],
             "options": {
                 "cwd": "${workspaceFolder}"

ANDROID_IMPLEMENTATION_SUMMARY.md

@@ -46,7 +46,7 @@ The Android backend follows the same proven architecture as existing platform im
 
 ### Documentation & Examples
 
-- **Complete Demo App**: `examples/android/CcapDemo/` - Full Android application with JNI integration
+- **Complete Demo App**: `examples/android/` - Full Android application with JNI integration
 - **Integration Guide**: `docs/android_integration.md`
 - **Implementation Details**: `src/README_ANDROID.md`  
 - **Build Configuration**: `src/CMakeLists_android.txt`
@@ -83,6 +83,16 @@ RGBA_8888   → PixelFormat::RGBA
 - Successfully compiles with existing CCAP build system
 - No impact on existing platform implementations
 - All 389 existing tests continue to pass
+
+### Directory Structure Optimization (Latest Update) ✅
+- Simplified Android demo structure: `examples/android/CcapDemo` → `examples/android`
+- Updated all path references across build system components:
+  * CMakeLists.txt CCAP_ROOT_DIR path adjusted
+  * build_android.sh DEMO_DIR path updated
+  * All VSCode tasks path corrections
+  * Documentation references updated
+- Fixed Gradle wrapper corruption and restored build functionality
+- Verified complete build success with proper APK generation (7.1MB app-debug.apk)
 - Compatible with C++17 standard
 
 ### Integration Testing ✅

examples/android/CcapDemo/.gitignore renamed to examples/android/.gitignore

@@ -74,7 +74,7 @@ make -j$(nproc)
 ### 2. 构建Android应用
 
 ```bash
-cd examples/android/CcapDemo
+cd examples/android
 ./gradlew assembleDebug
 ```
 

examples/android/CcapDemo/gradlew

@@ -19,7 +19,7 @@ find_library(mediandk-lib mediandk)
 find_library(jnigraphics-lib jnigraphics)
 
 # Get the absolute path to CCAP project root
-get_filename_component(CCAP_ROOT_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../../../../../../../" ABSOLUTE)
+get_filename_component(CCAP_ROOT_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../../../../../../" ABSOLUTE)
 
 # Include directories
 include_directories(