@@ -0,0 +1,831 @@
+package com.ardrumoid.util;%0A%0Aimport android.app.Activity;%0Aimport android.widget.Toast;%0A%0Apublic class BackPressCloseHandler %7B%0A%0A    private long backKeyPressedTime = 0;%0A    private Toast toast;%0A%0A    private Activity activity;%0A%0A    public BackPressCloseHandler(Activity context) %7B%0A        this.activity = context;%0A    %7D%0A%0A    public void onBackPressed() %7B%0A        if (System.currentTimeMillis() %3E backKeyPressedTime + 2000) %7B%0A            backKeyPressedTime = System.currentTimeMillis();%0A            showGuide();%0A            return;%0A        %7D%0A        if (System.currentTimeMillis() %3C= backKeyPressedTime + 2000) %7B%0A            activity.finish();%0A            toast.cancel();%0A        %7D%0A    %7D%0A%0A    public void showGuide() %7B%0A        toast = Toast.makeText(activity, %22%ED%95%9C %EB%B2%88 %EB%8D%94 %EB%88%84%EB%A5%B4%EC%8B%9C%EB%A9%B4 %EC%95%B1%EC%9D%84 %EC%A2%85%EB%A3%8C%ED%95%A9%EB%8B%88%EB%8B%A4.%22, Toast.LENGTH_SHORT);%0A        toast.show();%0A    %7D%0A%7D%0A

Create BackPressCloseHandler.java