back按键的监听
@Override
public void onBackPressed() {
super.onBackPressed();
System.out.println("按下了back键 onBackPressed()");
}
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
if ((keyCode == KeyEvent.KEYCODE_BACK)) {
System.out.println("按下了back键 onKeyDown()");
return false;
}else {
return super.onKeyDown(keyCode, event);
}
**记录仅供以后开发使用**