Android 屏幕旋转时弹出菜单关闭

Android 屏幕旋转时弹出菜单关闭,android,screen-orientation,popupmenu,Android,Screen Orientation,Popupmenu,我使用的弹出菜单如下 popupMenu = PopupMenu(view.context,view); val menuInflater:MenuInflater = popupMenu!!.menuInflater; menuInflater.inflate(R.menu.profil_image_degistir_menu,popupMenu!!.menu); this.profilImage = profilImage as ImageView;

我使用的弹出菜单如下

    popupMenu = PopupMenu(view.context,view);
    val menuInflater:MenuInflater = popupMenu!!.menuInflater;
    menuInflater.inflate(R.menu.profil_image_degistir_menu,popupMenu!!.menu);
    this.profilImage = profilImage as ImageView;
    popupMenu!!.setOnMenuItemClickListener(object:PopupMenu.OnMenuItemClickListener{

        override fun onMenuItemClick(item: MenuItem?): Boolean {
            if(item?.itemId == R.id.action_cam){
                camContext = view.context;
                kameraIzin = ContextCompat.checkSelfPermission(view.context,Manifest.permission.CAMERA);
                if(kameraIzin != PackageManager.PERMISSION_GRANTED){
                    requestPermissions(arrayOf(Manifest.permission.CAMERA), CAMERA_REQUEST_CODE);
                }else{
                    val intent: Intent = Intent(MediaStore.ACTION_IMAGE_CAPTURE);
                    startActivityForResult(intent,CAMERA_REQUEST_CODE);
                }
            }else if(item?.itemId == R.id.action_localStorage){
                
            }
            return true;
        }

    });
    popupMenu!!.show();

但是当我旋转屏幕时,菜单关闭了吗?如何防止这种情况发生?你能帮我吗。

当你旋转设备时,配置会发生变化;这将导致再次创建活动。要控制配置更改,应使用
onSaveInstanceState
方法。此方法在发生配置更改时执行。在这种情况下,您应该保存一个布尔值,指示弹出窗口是否打开

@Override
public void onSaveInstanceState(Bundle savedInstanceState) {
  super.onSaveInstanceState(savedInstanceState);
  savedInstanceState.putBoolean("shouldShowPopup", isPopupOpen);
}

然后,在
onCreate
方法上,应该检查Bundle参数是否为null。如果不为空,您可以获取我们之前保存的值,并显示(或不显示)弹出窗口。

在清单文件中,您需要在承载此弹出菜单的活动中添加
android:configChanges=“orientation”