问题描述
我正在使用如下所示的弹出菜单;
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正在关闭?如何防止这种情况?你能帮我吗。
解决方法
当您旋转设备时,会发生配置更改;这会导致再次重新创建活动。要控制配置更改,您应该使用 File "C:/Users/A/PycharmProjects/Development/sec_original_stream.py",line 16,in <module>
sio.connect("https://api.sec-api.io:3334?apiKey=fc2d52872a23cd347198d77e6a40d8027ace80324fbf81c90f39bbd70f82d64e",namespaces=['/all-filings'])
File "C:\Anaconda3\lib\site-packages\socketio\client.py",line 304,in connect
raise exceptions.ConnectionError(exc.args[0]) from None
socketio.exceptions.ConnectionError: OPEN packet not returned by server
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,指示您的弹出窗口是否打开。
onSaveInstanceState
然后,在您的 @Override
public void onSaveInstanceState(Bundle savedInstanceState) {
super.onSaveInstanceState(savedInstanceState);
savedInstanceState.putBoolean("shouldShowPopup",isPopupOpen);
}
方法中,您应该检查 Bundle 参数是否为空。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"
。