摘要: private long exitTime = 0;@Overridepublic boolean onKeyDown(int keyCode, KeyEvent event) { if(keyCode == KeyEvent.KEYCODE_BACK && event.getAction() == KeyEvent.ACTION_DOWN){ if((System.currentTimeMillis()-exitTime) > 2000){ Toast.makeText(getApplicationContext(), "再按一次退出程序"... 阅读全文
posted @ 2013-08-26 16:50 Youth-Forever 阅读(175) 评论(0) 推荐(0)