538 lines
12 KiB
Markdown
538 lines
12 KiB
Markdown
# 自定义调试工具开发
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## 概述
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在Android开发中，有时需要开发自定义的调试工具来满足特定需求。本文档介绍如何设计和开发自定义调试工具。
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## 工具设计原则
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### 1. 明确需求
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在开发工具前，需要明确：
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- **解决什么问题**: 工具要解决的具体问题
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- **目标用户**: 谁将使用这个工具
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- **使用场景**: 在什么情况下使用
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- **性能要求**: 对性能的影响要求
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### 2. 设计原则
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- **易用性**: 界面简洁，操作简单
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- **可靠性**: 稳定可靠，不影响应用运行
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- **可扩展性**: 便于后续扩展功能
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- **性能**: 对应用性能影响最小
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### 3. 技术选型
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- **语言**: Java/Kotlin/C++
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- **框架**: 根据需求选择
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- **UI**: 命令行/图形界面/Web界面
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- **部署**: 独立应用/集成到应用/插件
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## 工具类型
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### 1. 性能监控工具
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#### 功能需求
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- CPU使用率监控
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- 内存使用监控
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- 帧率监控
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- 网络请求监控
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#### 实现示例
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```java
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public class PerformanceMonitor {
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private static PerformanceMonitor sInstance;
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private Handler mHandler;
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private boolean mMonitoring = false;
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public static PerformanceMonitor getInstance() {
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if (sInstance == null) {
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sInstance = new PerformanceMonitor();
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}
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return sInstance;
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}
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public void startMonitoring() {
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if (mMonitoring) {
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return;
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}
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mMonitoring = true;
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mHandler = new Handler(Looper.getMainLooper());
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mHandler.post(mMonitorRunnable);
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}
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public void stopMonitoring() {
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mMonitoring = false;
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if (mHandler != null) {
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mHandler.removeCallbacks(mMonitorRunnable);
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}
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}
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private Runnable mMonitorRunnable = new Runnable() {
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@Override
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public void run() {
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if (!mMonitoring) {
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return;
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}
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// 收集性能数据
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collectPerformanceData();
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// 1秒后再次执行
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mHandler.postDelayed(this, 1000);
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}
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};
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private void collectPerformanceData() {
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// CPU使用率
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float cpuUsage = getCpuUsage();
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// 内存使用
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long memoryUsage = getMemoryUsage();
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// 帧率
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float fps = getFPS();
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// 记录数据
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Log.d("Performance", String.format(
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"CPU: %.2f%%, Memory: %dMB, FPS: %.2f",
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cpuUsage, memoryUsage / 1024 / 1024, fps
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));
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}
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private float getCpuUsage() {
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// 实现CPU使用率计算
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// 通过/proc/stat计算
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return 0.0f;
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}
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private long getMemoryUsage() {
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Runtime runtime = Runtime.getRuntime();
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return runtime.totalMemory() - runtime.freeMemory();
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}
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private float getFPS() {
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// 使用Choreographer计算FPS
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return 0.0f;
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}
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}
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```
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### 2. 日志收集工具
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#### 功能需求
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- 自动收集日志
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- 日志分类存储
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- 日志上传
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- 日志分析
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#### 实现示例
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```java
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public class LogCollector {
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private static final String LOG_DIR = "logs";
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private File mLogDir;
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private File mCurrentLogFile;
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public LogCollector(Context context) {
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mLogDir = new File(context.getFilesDir(), LOG_DIR);
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if (!mLogDir.exists()) {
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mLogDir.mkdirs();
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}
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}
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public void startCollecting() {
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// 创建新的日志文件
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String fileName = "log_" + System.currentTimeMillis() + ".txt";
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mCurrentLogFile = new File(mLogDir, fileName);
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// 启动日志收集线程
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new Thread(() -> {
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collectLogs();
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}).start();
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}
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private void collectLogs() {
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try {
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Process process = Runtime.getRuntime().exec("logcat");
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BufferedReader reader = new BufferedReader(
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new InputStreamReader(process.getInputStream())
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);
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FileWriter writer = new FileWriter(mCurrentLogFile);
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String line;
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while ((line = reader.readLine()) != null) {
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// 过滤和格式化日志
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if (shouldCollect(line)) {
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writer.write(line + "\n");
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writer.flush();
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}
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}
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writer.close();
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reader.close();
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} catch (IOException e) {
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e.printStackTrace();
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}
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}
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private boolean shouldCollect(String line) {
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// 实现日志过滤逻辑
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return line.contains("MyApp");
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}
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public void uploadLogs(String url) {
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// 实现日志上传逻辑
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// 可以使用OkHttp等网络库
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}
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}
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```
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### 3. 内存分析工具
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#### 功能需求
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- 内存快照
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- 内存泄漏检测
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- 内存使用分析
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- 内存报告生成
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#### 实现示例
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```java
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public class MemoryAnalyzer {
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private ActivityManager mActivityManager;
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public MemoryAnalyzer(Context context) {
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mActivityManager = (ActivityManager)
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context.getSystemService(Context.ACTIVITY_SERVICE);
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}
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public MemoryInfo getMemoryInfo() {
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ActivityManager.MemoryInfo memInfo =
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new ActivityManager.MemoryInfo();
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mActivityManager.getMemoryInfo(memInfo);
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return new MemoryInfo(
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memInfo.totalMem,
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memInfo.availMem,
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memInfo.threshold,
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memInfo.lowMemory
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);
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}
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public void dumpHeap(String fileName) {
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try {
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Debug.dumpHprofData(fileName);
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} catch (IOException e) {
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e.printStackTrace();
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}
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}
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public void analyzeMemoryLeak() {
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// 实现内存泄漏检测逻辑
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// 可以集成LeakCanary
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}
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public static class MemoryInfo {
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public long totalMem;
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public long availMem;
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public long threshold;
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public boolean lowMemory;
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public MemoryInfo(long total, long avail,
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long threshold, boolean low) {
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this.totalMem = total;
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this.availMem = avail;
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this.threshold = threshold;
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this.lowMemory = low;
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}
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}
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}
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```
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### 4. 网络监控工具
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#### 功能需求
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- 网络请求拦截
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- 请求响应记录
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- 网络性能分析
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- 请求重放
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#### 实现示例
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```java
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public class NetworkMonitor {
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private List<NetworkRequest> mRequests = new ArrayList<>();
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private boolean mMonitoring = false;
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public void startMonitoring() {
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mMonitoring = true;
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// 使用OkHttp Interceptor拦截请求
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}
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public void stopMonitoring() {
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mMonitoring = false;
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}
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public void addRequest(NetworkRequest request) {
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if (mMonitoring) {
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mRequests.add(request);
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}
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}
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public List<NetworkRequest> getRequests() {
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return new ArrayList<>(mRequests);
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}
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public void exportRequests(String fileName) {
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// 导出请求记录
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try {
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FileWriter writer = new FileWriter(fileName);
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for (NetworkRequest request : mRequests) {
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writer.write(request.toString() + "\n");
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}
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writer.close();
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} catch (IOException e) {
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e.printStackTrace();
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}
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}
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public static class NetworkRequest {
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public String url;
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public String method;
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public Map<String, String> headers;
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public String requestBody;
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public String responseBody;
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public long duration;
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public int statusCode;
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}
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}
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```
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## 工具集成方式
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### 1. 独立应用
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```java
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// 作为独立的调试应用
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public class DebugApp extends Application {
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@Override
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public void onCreate() {
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super.onCreate();
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// 初始化调试工具
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DebugTools.init(this);
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}
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}
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```
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**优点**:
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- 不影响主应用
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- 可以独立更新
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- 便于分发
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**缺点**:
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- 需要单独安装
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- 可能无法访问主应用数据
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### 2. 集成到应用
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```java
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// 在主应用中集成
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public class MainApplication extends Application {
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@Override
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public void onCreate() {
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super.onCreate();
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if (BuildConfig.DEBUG) {
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// 只在Debug版本启用
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DebugTools.init(this);
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}
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}
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}
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```
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**优点**:
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- 直接访问应用数据
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- 无需单独安装
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- 集成度高
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**缺点**:
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- 可能影响应用性能
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- 需要控制发布版本
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### 3. 插件化
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```java
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// 使用插件机制
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public class DebugPlugin {
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public void load(Context context) {
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// 动态加载调试功能
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}
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public void unload() {
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// 卸载调试功能
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}
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}
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```
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**优点**:
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- 灵活加载/卸载
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- 不影响主应用
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- 便于扩展
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**缺点**:
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- 实现复杂
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- 需要插件框架支持
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## UI设计
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### 1. 命令行界面
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```java
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public class DebugCLI {
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public void start() {
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Scanner scanner = new Scanner(System.in);
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while (true) {
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System.out.print("Debug> ");
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String command = scanner.nextLine();
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executeCommand(command);
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}
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}
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private void executeCommand(String command) {
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String[] parts = command.split(" ");
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String cmd = parts[0];
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switch (cmd) {
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case "memory":
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showMemoryInfo();
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break;
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case "cpu":
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showCpuInfo();
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break;
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case "fps":
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showFPS();
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break;
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case "help":
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showHelp();
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break;
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default:
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System.out.println("Unknown command: " + cmd);
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}
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}
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}
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```
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### 2. 图形界面
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```java
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// 使用Android原生UI
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public class DebugActivity extends AppCompatActivity {
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private TextView mMemoryText;
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private TextView mCpuText;
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private TextView mFpsText;
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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setContentView(R.layout.activity_debug);
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mMemoryText = findViewById(R.id.memory_text);
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mCpuText = findViewById(R.id.cpu_text);
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mFpsText = findViewById(R.id.fps_text);
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startMonitoring();
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}
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private void startMonitoring() {
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Handler handler = new Handler();
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handler.post(new Runnable() {
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@Override
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public void run() {
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updateUI();
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handler.postDelayed(this, 1000);
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}
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});
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}
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private void updateUI() {
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// 更新UI显示
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mMemoryText.setText(getMemoryInfo());
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mCpuText.setText(getCpuInfo());
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mFpsText.setText(getFpsInfo());
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}
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}
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```
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### 3. Web界面
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```java
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// 使用WebView或HTTP服务器
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public class DebugWebServer {
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private HttpServer mServer;
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public void start(int port) {
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try {
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mServer = HttpServer.create(new InetSocketAddress(port), 0);
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mServer.createContext("/", new DebugHandler());
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mServer.setExecutor(null);
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mServer.start();
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} catch (IOException e) {
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e.printStackTrace();
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}
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}
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private class DebugHandler implements HttpHandler {
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@Override
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public void handle(HttpExchange exchange) throws IOException {
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String response = generateResponse();
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exchange.sendResponseHeaders(200, response.length());
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OutputStream os = exchange.getResponseBody();
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os.write(response.getBytes());
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os.close();
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}
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}
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}
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```
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## 工具发布
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### 1. 版本管理
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```gradle
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// build.gradle
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android {
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defaultConfig {
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versionCode 1
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versionName "1.0.0"
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}
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}
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```
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### 2. 文档编写
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- **使用说明**: 如何安装和使用
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- **功能说明**: 功能介绍
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- **常见问题**: FAQ
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- **更新日志**: 版本更新记录
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### 3. 分发方式
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- **内部使用**: 通过内部渠道分发
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- **GitHub**: 开源发布
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- **应用商店**: 发布到应用商店
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## 最佳实践
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1. **性能优先**: 确保工具不影响应用性能
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2. **易于使用**: 界面简洁，操作直观
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3. **稳定可靠**: 充分测试，确保稳定
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4. **文档完善**: 提供详细的使用文档
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5. **持续维护**: 根据反馈持续改进
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## 相关链接
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- [[README]]
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- [[ADB高级命令]]
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- [[06-性能优化体系]] |