refactor(app): 优化代码结构和可读性

- 格式化代码，调整缩进和空格
- 添加方法注释，解释主要功能
- 修改变量命名，提高可读性
- 删除冗余代码和不必要的注释

app/src/main/java/com/example/retention/MainActivity.java

@@ -94,112 +94,115 @@ public class MainActivity extends AppCompatActivity {
 
   @Override
   protected void onCreate(@Nullable Bundle savedInstanceState) {
-      super.onCreate(savedInstanceState);
+    super.onCreate(savedInstanceState);
-      LogFileUtil.initialize(this);
+    LogFileUtil.initialize(this);
-      setContentView(R.layout.activity_main);
+    setContentView(R.layout.activity_main);
 
-      logInfo("onCreate: Initializing application");
+    logInfo("onCreate: Initializing application");
 
-      initializeExecutorService();
+    initializeExecutorService();
 
-      System.setProperty("java.library.path", getApplicationInfo().nativeLibraryDir);
+    System.setProperty("java.library.path", getApplicationInfo().nativeLibraryDir);
 
-      if (Build.VERSION.SDK_INT < Build.VERSION_CODES.R) {
+    if (Build.VERSION.SDK_INT < Build.VERSION_CODES.R) {
-          if (ContextCompat.checkSelfPermission(this, Manifest.permission.READ_EXTERNAL_STORAGE)
+      if (ContextCompat.checkSelfPermission(this, Manifest.permission.READ_EXTERNAL_STORAGE)
-                  != PackageManager.PERMISSION_GRANTED) {
+          != PackageManager.PERMISSION_GRANTED) {
-              requestStoragePermission();
+        requestStoragePermission();
-          }
-      } else {
-          if (!Environment.isExternalStorageManager()) {
-              Intent intent = new Intent(Settings.ACTION_MANAGE_APP_ALL_FILES_ACCESS_PERMISSION);
-              intent.setData(Uri.parse("package:" + getPackageName()));
-              startActivityForResult(intent, ALLOW_ALL_FILES_ACCESS_PERMISSION_CODE);
-          }
       }
-
+    } else {
-      if (!isNetworkAvailable(this)) {
+      if (!Environment.isExternalStorageManager()) {
-          showToast("网络不可用");
+        Intent intent = new Intent(Settings.ACTION_MANAGE_APP_ALL_FILES_ACCESS_PERMISSION);
-          logError("Network not available, closing app.");
+        intent.setData(Uri.parse("package:" + getPackageName()));
-          finish();
+        startActivityForResult(intent, ALLOW_ALL_FILES_ACCESS_PERMISSION_CODE);
-          return;
       }
+    }
 
-      logInfo("onCreate: Setting up work manager");
+    if (!isNetworkAvailable(this)) {
-      schedulePeriodicWorkIfNotExists();
+      showToast("网络不可用");
+      logError("Network not available, closing app.");
+      finish();
+      return;
+    }
 
-      logInfo("onCreate: Setting up UI components");
+    logInfo("onCreate: Setting up work manager");
+    schedulePeriodicWorkIfNotExists();
 
-      setupButton(R.id.run_script_button, v -> {
+    logInfo("onCreate: Setting up UI components");
-          try {
-              AutoJsUtil.runAutojsScript(this);
-          } catch (Exception e) {
-              LogFileUtil.logAndWrite(Log.ERROR, "MainActivity", "runAutojsScript: " + e.getMessage(), e);
-              showToast("执行脚本失败");
-          }
-      });
-      setupButton(R.id.connectVpnButton, v -> startProxyVpn(this));
-      setupButton(R.id.disconnectVpnButton, v -> ClashUtil.stopProxy(this));
-      setupButton(R.id.switchVpnButton, v -> ClashUtil.switchProxyGroup("GLOBAL", "us", "http://127.0.0.1:6170"));
 
-      armClient = new ArmCloudApiClient();
+    setupButton(R.id.run_script_button, v -> {
+      try {
+        AutoJsUtil.runAutojsScript(this);
+      } catch (Exception e) {
+        LogFileUtil.logAndWrite(Log.ERROR, "MainActivity", "runAutojsScript: " + e.getMessage(), e);
+        showToast("执行脚本失败");
+      }
+    });
+    setupButton(R.id.connectVpnButton, v -> startProxyVpn(this));
+    setupButton(R.id.disconnectVpnButton, v -> ClashUtil.stopProxy(this));
+    setupButton(R.id.switchVpnButton, v -> ClashUtil.switchProxyGroup("GLOBAL", "us", "http://127.0.0.1:6170"));
 
-      String currentPackage = getPackageName();
+    armClient = new ArmCloudApiClient();
-      ShellUtils.execRootCmdAndGetResult("pm grant " + currentPackage + " android.permission.INTERACT_ACROSS_USERS");
-      ShellUtils.execRootCmdAndGetResult("pm grant " + currentPackage + " android.permission.WRITE_SECURE_SETTINGS");
 
-      setupButton(R.id.modifyDeviceInfoButton, v -> ChangeDeviceInfoUtil.changeDeviceInfo(currentPackage, this, armClient));
+    String currentPackage = getPackageName();
-      setupButton(R.id.resetDeviceInfoButton, v -> ChangeDeviceInfoUtil.resetChangedDeviceInfo(currentPackage, this));
+    ShellUtils.execRootCmdAndGetResult("pm grant " + currentPackage + " android.permission.INTERACT_ACROSS_USERS");
+    ShellUtils.execRootCmdAndGetResult("pm grant " + currentPackage + " android.permission.WRITE_SECURE_SETTINGS");
 
-      setupButton(R.id.execute_button, v -> {
+    setupButton(R.id.modifyDeviceInfoButton, v -> ChangeDeviceInfoUtil.changeDeviceInfo(currentPackage, this, armClient));
-          ((Button) v).setEnabled(false);
+    setupButton(R.id.resetDeviceInfoButton, v -> ChangeDeviceInfoUtil.resetChangedDeviceInfo(currentPackage, this));
-          startLoadWork();
-      });
 
-      setupButton(R.id.stop_execute_button, v -> {
+    setupButton(R.id.execute_button, v -> {
-          WorkManager.getInstance(this).cancelAllWorkByTag(WORK_TAG);
+      ((Button) v).setEnabled(false);
-          Button executeButton = findViewById(R.id.execute_button);
+      startLoadWork();
-          if (executeButton != null) {
+    });
-              executeButton.setEnabled(true);
+
-          }
+    setupButton(R.id.stop_execute_button, v -> {
-      });
+      WorkManager.getInstance(this).cancelAllWorkByTag(WORK_TAG);
+      Button executeButton = findViewById(R.id.execute_button);
+      if (executeButton != null) {
+        executeButton.setEnabled(true);
+      }
+    });
   }
 
   private void requestStoragePermission() {
-      ActivityCompat.requestPermissions(
+    ActivityCompat.requestPermissions(
-          this,
+        this,
-          new String[]{Manifest.permission.READ_EXTERNAL_STORAGE},
+        new String[]{Manifest.permission.READ_EXTERNAL_STORAGE},
-          REQUEST_CODE_STORAGE_PERMISSION
+        REQUEST_CODE_STORAGE_PERMISSION
-      );
+    );
-  }
-  private void schedulePeriodicWorkIfNotExists() {
-      WorkManager.getInstance(this).getWorkInfosForUniqueWorkLiveData("CheckAccessibilityWorker")
-          .observe(this, workInfos -> {
-              if (workInfos == null || workInfos.isEmpty()) {
-                  PeriodicWorkRequest workRequest = new PeriodicWorkRequest.Builder(CheckAccessibilityWorker.class, 15, TimeUnit.MINUTES)
-                      .addTag("CheckAccessibilityWorker")
-                      .build();
-                  WorkManager.getInstance(this).enqueueUniquePeriodicWork(
-                      "CheckAccessibilityWorker",
-                      ExistingPeriodicWorkPolicy.REPLACE,
-                      workRequest
-                  );
-              }
-          });
   }
 
+  private void schedulePeriodicWorkIfNotExists() {
+    WorkManager.getInstance(this).getWorkInfosForUniqueWorkLiveData("CheckAccessibilityWorker")
+        .observe(this, workInfos -> {
+          if (workInfos == null || workInfos.isEmpty()) {
+            PeriodicWorkRequest workRequest = new PeriodicWorkRequest.Builder(CheckAccessibilityWorker.class, 15, TimeUnit.MINUTES)
+                .addTag("CheckAccessibilityWorker")
+                .build();
+            WorkManager.getInstance(this).enqueueUniquePeriodicWork(
+                "CheckAccessibilityWorker",
+                ExistingPeriodicWorkPolicy.REPLACE,
+                workRequest
+            );
+          }
+        });
+  }
 
 
   private void setupButton(int resId, View.OnClickListener listener) {
-      Button button = findViewById(resId);
+    Button button = findViewById(resId);
-      if (button != null) {
+    if (button != null) {
-          button.setOnClickListener(listener);
+      button.setOnClickListener(listener);
-      } else {
+    } else {
-          logInfo("Button not found: " + resId);
+      logInfo("Button not found: " + resId);
-      }
+    }
   }
 
   private static String WORK_TAG = "LOAD_WORK";
 
+  /**
+   * 这段代码的功能是启动一个周期性后台任务： 创建一个周期为30分钟的PeriodicWorkRequest，执行LoadDeviceWorker类的任务 设置初始延迟为0秒，添加任务标签WORK_TAG 使用WorkManager将任务加入队列，准备执行
+   */
   private void startLoadWork() {
     PeriodicWorkRequest workRequest = new PeriodicWorkRequest.
         Builder(LoadDeviceWorker.class, 30, TimeUnit.MINUTES)

app/src/main/java/com/example/retention/worker/LoadDeviceWorker.java

@@ -36,26 +36,34 @@ public class LoadDeviceWorker extends CoroutineWorker {
     this.context = context;
   }
 
+  /**
+   * 这段代码是LoadDeviceWorker类中的doWork方法，用于执行后台任务。其功能如下： 生成唯一的taskId，调用ChangeDeviceInfoUtil.getDeviceInfoSync获取设备信息。 获取packageName和zipName，并记录日志。
+   * 如果获取设备信息成功且packageName和zipName非空，则调用processPackageInfoWithDeviceInfo处理包信息。 若处理成功，执行executeSingleLogic方法。 否则，记录获取设备信息失败的日志。 最后返回任务执行结果为成功。
+   */
   @Override
   public @Nullable Object doWork(@NotNull Continuation<? super Result> continuation) {
     String taskId = UUID.randomUUID().toString();
     boolean result = ChangeDeviceInfoUtil.getDeviceInfoSync(taskId, androidId);
     String packageName = ChangeDeviceInfoUtil.packageName;
     String zipName = ChangeDeviceInfoUtil.zipName;
-    LogFileUtil.logAndWrite(Log.INFO, "TAG","doWork: " + result + " " + packageName + " " + zipName, null);
+    LogFileUtil.logAndWrite(Log.INFO, "TAG", "doWork: " + result + " " + packageName + " " + zipName, null);
     if (result && !TextUtils.isEmpty(packageName) && !TextUtils.isEmpty(zipName)) {
       boolean isSuccess = ChangeDeviceInfoUtil.processPackageInfoWithDeviceInfo(packageName, zipName, getApplicationContext(), androidId, taskId);
       if (isSuccess) {
         executeSingleLogic(context, packageName);
       }
     } else {
-      LogFileUtil.logAndWrite(Log.INFO, "TAG", "doWork: get Device info false",  null);
+      LogFileUtil.logAndWrite(Log.INFO, "TAG", "doWork: get Device info false", null);
     }
     return Result.success();
   }
 
+  /**
+   * 这段代码是LoadDeviceWorker类中的executeSingleLogic方法，用于执行特定逻辑。其功能如下： 检查传入的packageName是否为空或空字符串，如果是，则记录日志并退出方法。 记录代理未激活，并调用startProxyVpn方法启动VPN。
+   * 记录更改设备信息，并调用ChangeDeviceInfoUtil.changeDeviceInfo方法。 记录运行AutoJs脚本，并调用Utils.writePackageName和AutoJsUtil.runAutojsScript方法。
+   */
   public void executeSingleLogic(Context context, String packageName) {
-    if (packageName == null || packageName.isEmpty()){
+    if (packageName == null || packageName.isEmpty()) {
       LogFileUtil.logAndWrite(Log.INFO, "MainActivity", "executeSingleLogic: Package name is empty", null);
       return;
     }