Different Android API causes layout problems
VS 2019, latest updates. So far only doing Android, but am wondering if I will run into the same problem for other OS's. When I deploy to the Android Emulator - Pixel 3a Pie 9.0 - API 28 (Android 10.0...
View ArticleHow to implement Horizontal ListView inside Vertical ListVIew ?
Hi All, I need to create a screen having horizontal list inside vertical listview in xamarin forms I am able to display the items properly but I need a click event on horizontal list (inner list) item....
View ArticleProper way to implement OnAppLinkRequestReceived in Xamarin Shell
Hi, I am trying to get the my app to open a specific page in response to a link. In my MainActivity.cs I have the following intent filter, which seems to be working fine: [IntentFilter(new[] {...
View ArticleHow to raise click event on nested listview ?
Hello all, Can anyone please help me to understand how to call nested item click event in prism?
View ArticleMin required to handle deep links in Xamarin Forms
James Montemagno has some great blogs online to help Xamarin Forms developers with application indexing and deep linking, but what if we only need to handle deep links? What’s the bare minimum...
View ArticleAuto srolling listview /collectionview with controlling the scroll speed from...
Auto srolling listview /collectionview with controlling the scroll speed from top to buttom. I can achieve the scrollto.end but can't control the speed. I want scrolling it very slowly.
View ArticleHow to cancel a page loading during OnAppearing
Firstly, let me say I am new to Xamarin and Android and am trying to migrate some apps from Windows CE. It's a steep learning curve. I and trying to stick to MVVM principles but think I am missing some...
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Is it possible to replace a colour inside an Image object?
Hi All, I am currently working on a speech generation device for children using Xamarin.Forms, and I was trying to create the ability for the pictograms that depict people to have the skin tone change...
View ArticleHow to draw on Image captured from camera and then save it.
Hi, I want to draw on image to highlight specific part of the image(draw circle etc.) and then save highlighted image.
View ArticleHow to open an Expander with DoubleTap
Sometimes I wonder why such obvious things are not implemented. I would like to open an expander with a DoubleTap. I would like to use the normal tap gesture for other things, e.g. for marking an item...
View ArticleSwipeView: Threshold for Execution
I would like to use a Swipe to execute a delete-action. But the User has to swipe up to 80% of the whole Swipe-Area to execute it. That is far too long. I would like to define my own threshold /...
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How do I publish a message from a static class?
I have code that follows the pattern below. (Sorry for its length; this is a problem spread across a few files.) I have a base class that implements a system like INotifyPropertyChanged but uses the...
View ArticleI expect to get an infinite loop when I implement IValueConverter but there...
I have an Entry text which is binded in TwoWay mode to a simple string. In Convert() I add the letter "S" ("for came from Source") In ConvertBack() I add the letter "T" ("for came from Target"). Now,...
View ArticleHow to fire a "Complete" event from ViewModel?
I have a entry with complete action:<local:BaseEntry Placeholder="Email Address" Keyboard="Email" x:Name="EmailEntry" ReturnType="Next" Completed="{Binding GoToPassword}"/> I want to focus to the...
View ArticleXamarin.Forms How to create custom Forms view
I have faced with issue that I do not know how to create custom Forms view that renders differently on each platform Android, iOS ... On Android it is FrameLayout with some custom content, on iOS it is...
View ArticleAccessing iCloud in XF using Dependency Service
I was following @LandLu post in this forum thread. The following line is giving a Null Exception: //Get the iCloud's url var filePath =...
View ArticleGetUrlForUbiquityContainer Method Returns a Value In Xamarin.iOS but is NULL...
Hello, all: This might sound like a Xamarin.iOS question at first, but it's actually about Xamarin Forms, so bear with me. I am interested in adding iCloud functionality to a Xamarin Forms app I'm...
View ArticleAnimate label without resetting timeout duration
I have following method to animate a label for 20 seconds. private async void Animate(object obj, PropertyChangedEventArgs e) { if (e.PropertyName == "ClassId") { VisualElement sender = obj as...
View ArticleXamarin.Android Crash on BluetoothLeScanner.StartScan
During testing Bluetooth application, I have cautch the following exception System.Reflection.TargetInvocationException: 'Exception has been thrown by the target of an invocation.' on call:...
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