ERROR ITMS-90474: “Invalid Bundle. iPad Multitasking support requires these orientations:
Edit your plist file from xcode and add this lines <key>UIRequiresFullScreen</key> <true/> Or You can do below
xamarin
Page lifecycle events in xamarin.forms
So the OnAppearing event is fired when your page is appearing. I.e. you have navigated to that page or back to that page from another in the Stack. There is currently no Page Lifecycle events as you can see from the API documentation I think what you are talking about is if you put your … Read more
“in-app billing version 3 NOT supported” with up to date Play Store
I get In-app billing version 3 NOT supported error when the user is not signed into google play. Ensure a user is logged into google play on the device. Update 2023: Note that you might also get the error “Google Play In-app Billing API version is less than 3” when the user is not logged … Read more
What is Device.BeginInvokeOnMainThread for?
Just to add an example. Imagine you have an async method DoAnyWorkAsync if you call it (just as an example) this way: DoAnyWorkAsync().ContinueWith ((arg) => { StatusLabel.Text = “Async operation completed…”; }); StatusLabel is a label you have in the XAML. The code above will not show the message in the label once the async … Read more
Xamarin remove app title
Write this in the OnCreate method just after SetContentView: ActionBar.Hide();
App Center iOS install error: “This app cannot be installed because its integrity could not be verified”
We were able to solve this by redoing and downloading development certs and via And also downloading and double clicking the apple development certificate here After that our keychain showed both as trusted and we could build to the iPhone again.
What is MAUI? and what are differences between MAUI and Xamarin
With .NET 5 Microsoft begins the journey of unifying the .NET platform, bringing .NET Core and Mono/Xamarin together in one base class library (BCL) and toolchain (SDK), more about it here. .NET MAUI is a name for a new upgraded solution as a Multi-platform App UI framework for building native cross-platform apps with .NET for … Read more
Xamarin Forms Image fill width with proper aspect
AspectFit does what it says on the tin, it will fit the whole image into the View, which may leave parts of the view empty. Straight from Xamarin’s documentation: Scale the image to fit the view. Some parts may be left empty (letter boxing). What you’re looking for is AspectFill, which will scale the image … Read more
Horizontal ListView Xamarin.Forms
As of Xamarin Forms 2.3 CarouselView does just that, and more. Read more here. <ContentView HorizontalOptions=”FillAndExpand” VerticalOptions=”FillAndExpand”> <CarouselView ItemsSource=”{Binding MyDataSource}”> <CarouselView.ItemTemplate> <DataTemplate> <Label Text=”{Binding LabelText}” /> </DataTemplate> </CarouselView.ItemTemplate> </CarouselView> </ContentView>
How to run a method in the background only when app is open and running?
What we did in our forms application was to make use of the Device.Timer and the Stopwatch class that available in System.Diagnostics, and Xamarin.Forms to create a very generic managed timer that we could interact with using the onStart, onSleep and onResume methods in Xamarin.Forms. This particular solution doesn’t require any special platform specific logic, … Read more