Android听取backbutton＆amp;菜单按钮一起长按

Question

我正在压倒backbutton＆amp; amp;的行为。菜单按钮单击＆amp;长按一下。如何在Android代码中检测到这一点

屏幕截图取自Nexus手机版（6.0）

点击后退＆amp;菜单按钮在一起，我得到了这个日志

 Cancelling event due to no window focus: KeyEvent { action=ACTION_UP, keyCode=KEYCODE_BACK, scanCode=0, metaState=0, flags=0x68, repeatCount=0, eventTime=69741827, downTime=69741172, deviceId=-1, source=0x101 } I 

Answer 1

这是覆盖Back Button的示例代码！

@Override
public void onBackPressed() {

    //This Override Method Alters System Back Button's default function

    Intent intent = new Intent(FirstActivity.this, SecondActivity.class);
    startActivity(intent);
}