//退出时的时间 private long mExitTime; //对返回键进行监听 @Override public boolean onKeyDown(int keyCode, KeyEvent event) { if (keyCode == KeyEvent.KEYCODE_BACK && event.getRepeatCount() == 0) { exit(); return true; } return super.onKeyDown(keyCode, event); } public void exit() { if ((System.currentTimeMillis() - mExitTime) > 2000) { Toast.makeText(MainActivity.this, "再按一次退出欧美同学会", Toast.LENGTH_SHORT).show(); mExitTime = System.currentTimeMillis(); } else { MyConfig.clearSharePre(this, "users"); finish(); System.exit(0); } }
Android两次返回键退出APP(总结)
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转载自blog.csdn.net/lpCrazyBoy/article/details/81386996
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