Android按返回键退出程序但不销毁,程序后台运行,同QQ退出处理方式时间:2024-06-30 18:04:14 @Override public boolean onKeyDown(int keyCode, KeyEvent event) { if (keyCode == KeyEvent.KEYCODE_BACK) { moveTaskToBack(false); return true; } return super.onKeyDown(keyCode, event); }