setcontentview

问题 I have this problem. I'm receiving a notification from CloudKit using application:didReceiveRemoteNotification in AppDelegate. I'm able to receive the recordId, fetch it, and save it successfully. The problem is, the scene doesn't refresh. final class UserData: ObservableObject { @Published var items: [Item] = [] func saveFetchedItem(recordId: CKRecord.ID, reason: CKQueryNotification.Reason) { fetchAndSaveRemoteDataFromCloudKit(recordId: recordId, reason: reason, userData: self) } } in

问题 Hey I've just upgraded my app to AppCompat v22.1.0 and got this exception Caused by: java.lang.IllegalArgumentException: AppCompat does not support the current theme features at android.support.v7.app.AppCompatDelegateImplV7.ensureSubDecor(AppCompatDelegateImplV7.java:360) at android.support.v7.app.AppCompatDelegateImplV7.setContentView(AppCompatDelegateImplV7.java:246) at android.support.v7.app.AppCompatActivity.setContentView(AppCompatActivity.java:106) I found soln. here https:/

问题 I added a "pull to refresh" to my listView, i also wanted to add an empty view when the list is empty - Now i got this error. How can i make this work? if im positioning a view outside of the swipeRefresh and then add it as the emptyView it will work. So how do i so it with an outer xml file .. ? The xml code: <android.support.v4.widget.SwipeRefreshLayout android:id="@+id/swipeRefreshLayout" android:layout_width="match_parent" android:layout_height="match_parent" android:layout

问题 Initially I have my own setup on application main window, i.e. an image view(for background) and on it I have a set of buttons. Now when user taps on the buttons, respective lesson is launched, i.e. user is being navigated to the corresponding screen, i.e. I add the view to window's content view.... [self.window.contentView addSubview:self.lessonScreen.view]; Actually I know there is an approach of taking a view(custom view) on window, keeping on adding our views to that(for navigation). Then

问题 Initially I have my own setup on application main window, i.e. an image view(for background) and on it I have a set of buttons. Now when user taps on the buttons, respective lesson is launched, i.e. user is being navigated to the corresponding screen, i.e. I add the view to window's content view.... [self.window.contentView addSubview:self.lessonScreen.view]; Actually I know there is an approach of taking a view(custom view) on window, keeping on adding our views to that(for navigation). Then

问题 Generally, when we want to load android layout we use setContentView(view) in onCreate function. I saw another function getLayoutResource() which get load layout too. I have read getLayoutResource, but I don't understand about it. What is the different between them? 回答1: I am not sure where you read about getLayoutResource() as loading layout too? The getLayoutResource() method gets the layout resource that will be shown as the View. The setContentView(view) on the other hand sets the

问题 I am trying to call a library in a fragment but dont know how to set it in a fragment I have done it in the main activity but I am getting an error in setting the setContentView in my fragment the compile dependency compile 'com.github.medyo:android-about-page:1.0.2' my fragment content view @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { // Inflate the layout for this fragment View rootView = inflater.inflate(R.layout.fragment

问题 I am trying to call a library in a fragment but dont know how to set it in a fragment I have done it in the main activity but I am getting an error in setting the setContentView in my fragment the compile dependency compile 'com.github.medyo:android-about-page:1.0.2' my fragment content view @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { // Inflate the layout for this fragment View rootView = inflater.inflate(R.layout.fragment

问题 Error: Invalid drawable added to LayerDrawable! Drawable already belongs to another owner but does not expose a constant state. I suddenly noticed this error today, and I'm not sure if it was because I just updated my testing device to Android 8.0. The error message clearly states there's something wrong with setting the ripple effect on the floating action button, and indeed there is no ripple effect when the button is pressed. However, I'm not sure what is causing this problem. Actually,

问题 I want to add the coverflow object in this class and I don't find any way to solve it. I am new in Android development. public class NoticeEvents extends Fragment { View android; @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { android = inflater.inflate(R.layout.events, container, false); CoverFlow coverFlow; coverFlow = new CoverFlow(getContext()); coverFlow.setAdapter(new ImageAdapter(getContext())); ImageAdapter