Android 彻底关闭应用程序

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int currentVersion = android.os.Build.VERSION.SDK_INT;
if (currentVersion > android.os.Build.VERSION_CODES.ECLAIR_MR1) {
      Intent startMain = new Intent(Intent.ACTION_MAIN);
      startMain.addCategory(Intent.CATEGORY_HOME);
      startMain.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
      mActivity.startActivity(startMain);
      System.exit(0);
} else {// android2.1
      ActivityManager am = (ActivityManager) mActivity.getSystemService(ACTIVITY_SERVICE);
      am.restartPackage(mActivity.getPackageName());
}