搭建代码框架并更新文档

platforms/android/include/displayflow/platform/android/capture/camera_capture.h

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+#pragma once
+
+#include "displayflow/core/common/types.h"
+#include <functional>
+#include <vector>
+#include <string>
+
+namespace displayflow {
+namespace platform {
+namespace android {
+
+// 前向声明
+struct VideoFrame;
+
+/**
+ * @brief 摄像头信息
+ */
+struct CameraInfo {
+    std::string cameraId;
+    std::string name;
+    bool isFrontFacing;
+    Resolution maxResolution;
+    std::vector<Resolution> supportedResolutions;
+};
+
+/**
+ * @brief 摄像头捕获
+ * 
+ * 使用 Android NDK Camera API 或 Camera2 API 进行摄像头捕获
+ */
+class CameraCapture {
+public:
+    CameraCapture();
+    ~CameraCapture();
+
+    /**
+     * @brief 初始化摄像头捕获
+     */
+    bool Initialize();
+
+    /**
+     * @brief 枚举可用的摄像头设备
+     */
+    std::vector<CameraInfo> EnumerateCameras();
+
+    /**
+     * @brief 打开指定摄像头
+     */
+    bool OpenCamera(const std::string& cameraId);
+
+    /**
+     * @brief 开始捕获
+     */
+    bool StartCapture(const Resolution& resolution, int fps);
+
+    /**
+     * @brief 停止捕获
+     */
+    void StopCapture();
+
+    /**
+     * @brief 关闭摄像头
+     */
+    void CloseCamera();
+
+    /**
+     * @brief 设置帧回调
+     */
+    void SetFrameCallback(std::function<void(const VideoFrame&)> callback);
+
+    /**
+     * @brief 设置摄像头参数
+     */
+    bool SetFocusMode(const std::string& mode);  // "auto", "continuous", "fixed"
+    bool SetExposureMode(const std::string& mode);
+    bool SetWhiteBalanceMode(const std::string& mode);
+
+private:
+    // TODO: 添加私有成员
+};
+
+} // namespace android
+} // namespace platform
+} // namespace displayflow
+

platforms/android/include/displayflow/platform/android/capture/media_projection_wrapper.h

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+#pragma once
+
+namespace displayflow {
+namespace platform {
+namespace android {
+
+/**
+ * @brief MediaProjection API 封装
+ */
+class MediaProjectionWrapper {
+public:
+    MediaProjectionWrapper();
+    ~MediaProjectionWrapper();
+
+private:
+    // TODO: 添加私有成员
+};
+
+} // namespace android
+} // namespace platform
+} // namespace displayflow
+

platforms/android/include/displayflow/platform/android/capture/screen_capture.h

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+#pragma once
+
+namespace displayflow {
+namespace platform {
+namespace android {
+
+/**
+ * @brief Android 屏幕捕获
+ */
+class ScreenCapture {
+public:
+    ScreenCapture();
+    ~ScreenCapture();
+
+    bool Initialize();
+    bool StartCapture();
+    void StopCapture();
+
+private:
+    // TODO: 添加私有成员
+};
+
+} // namespace android
+} // namespace platform
+} // namespace displayflow
+

platforms/android/include/displayflow/platform/android/input/touch_handler.h

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+#pragma once
+
+namespace displayflow {
+namespace platform {
+namespace android {
+
+/**
+ * @brief Android 触摸输入处理
+ */
+class TouchHandler {
+public:
+    TouchHandler();
+    ~TouchHandler();
+
+private:
+    // TODO: 添加私有成员
+};
+
+} // namespace android
+} // namespace platform
+} // namespace displayflow
+

platforms/android/include/displayflow/platform/android/network/android_network_manager.h

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+#pragma once
+
+namespace displayflow {
+namespace platform {
+namespace android {
+
+/**
+ * @brief Android 网络管理器
+ */
+class AndroidNetworkManager {
+public:
+    AndroidNetworkManager();
+    ~AndroidNetworkManager();
+
+private:
+    // TODO: 添加私有成员
+};
+
+} // namespace android
+} // namespace platform
+} // namespace displayflow
+

platforms/android/include/displayflow/platform/android/platform_adapter.h

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+#pragma once
+
+#include "displayflow/core/common/types.h"
+
+namespace displayflow {
+namespace platform {
+namespace android {
+
+/**
+ * @brief Android 平台适配器
+ * 
+ * 封装 Android 平台特定的功能
+ */
+class AndroidPlatformAdapter {
+public:
+    AndroidPlatformAdapter();
+    ~AndroidPlatformAdapter();
+
+    /**
+     * @brief 初始化平台适配器
+     */
+    bool Initialize();
+
+    /**
+     * @brief 启动屏幕捕获
+     */
+    bool StartScreenCapture();
+
+    /**
+     * @brief 停止屏幕捕获
+     */
+    void StopScreenCapture();
+
+private:
+    // TODO: 添加私有成员
+};
+
+} // namespace android
+} // namespace platform
+} // namespace displayflow
+

platforms/android/include/displayflow/platform/android/render/render_engine.h

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+#pragma once
+
+namespace displayflow {
+namespace platform {
+namespace android {
+
+/**
+ * @brief Android 渲染引擎
+ */
+class RenderEngine {
+public:
+    RenderEngine();
+    ~RenderEngine();
+
+private:
+    // TODO: 添加私有成员
+};
+
+} // namespace android
+} // namespace platform
+} // namespace displayflow
+