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- // back button 이벤트는 onBackPressed() 함수에서 처리
- private long backPressdTime;
- ........
- ........
- @Override
- public void onBackPressed() {
- // back button 종료 처리
- if (backPressdTime + 2000 > System.currentTimeMillis()) {
- super.onBackPressed();
- return;
- } else {
- Toast.makeText(this, "back button 을 한번 더 누르시면, 앱이 종료됩니다.", Toast.LENGTH_SHORT).show();
- }
- backPressdTime = System.currentTimeMillis();
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