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일단 아래의 BackPressCloseHandler 파일을 생성해둔다..

어느플젝에서도 사용가능하도록...

public class BackPressCloseHandler {
private long backKeyPressedTime = 0;
private Toast toast;

private Activity activity;

public BackPressCloseHandler(Activity context){
this.activity = context;
}

public void onBackPressed(){
if (System.currentTimeMillis() > backKeyPressedTime + 1500) {
backKeyPressedTime = System.currentTimeMillis();
showGuide();
return;
}else if (System.currentTimeMillis() <= backKeyPressedTime + 1500) {
activity.finish();
toast.cancel();
}

}
public void showGuide(){
toast = Toast.makeText(activity, "\'뒤로\'버튼을 한번 더 누르시면 종료됩니다.", Toast.LENGTH_SHORT);
toast.show();
}


}

그리고.. 원하는 액티비티에서.. 아래와 같이 호출하여 사용함.

private BackPressCloseHandler backPressCloseHandler;


@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
backPressCloseHandler = new BackPressCloseHandler(this);


}
    @Override
public void onBackPressed() {

backPressCloseHandler.onBackPressed();
}

 

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WRITTEN BY
아카이시

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