//通过关进程退出App
private void exitApp()
{
	mActivity.runOnUiThread(new Runnable(){
		@Override
		public void run() {
			//Android退出方式
			android.os.Process.killProcess(android.os.Process.myPid());
			//Java VM退出方式
			System.exit(0);
			//官方推荐这种方式
			//需要权限<uses-permission android:name="android.permission.KILL_BACKGROUND_PROCESSES"/>
			ActivityManager manager = (ActivityManager) mActivity.getSystemService(Context.ACTIVITY_SERVICE);     
			manager.killBackgroundProcesses (mActivity.getPackageName());
		}
	});
}