[Android程式範例] 一口氣完全退出應用程序的方法

public class Game extends Activity  {

 public static ArrayList<Activity> activityList = new ArrayList<Activity>();

}

                if (Game.activityList.size() > 0) {
                 for (Activity activity : Game.activityList) {
                  activity.finish();
                 }
                 android.os.Process.killProcess(android.os.Process.myPid());
                }