White Screen in Xamarin forms
Hello I have an app that is working well, but I update it for the Android version 9 and when the splash is over the menu must be displayed but nothing is displayed, the app is left blank and does not...
View ArticleHow can I make UWP ListView not reset scroll to top on...
On UWP: When my collection sends a CollectionChanged(NotifyCollectionChangedAction.Remove), the ListView scrolls back up to the top of the list. Is there a way to make the scroll position stay the same...
View ArticleSetting tint color of an Image
Is there a way to change the tint color of a Forms.Image programmatically? Both in Android and iOS. The source of the Image is a simple .png file with transparent layer. I will welcome any other...
View ArticleDefault MasterDetailPage - System.NullReferenceException
Hi, I create new project, add MasterDetailPage and getting exception in ios and android previewer: 2019-04-23 23:01:11.9] ERROR: : iOSXamlRenderer had a rendering error: System.NullReferenceException:...
View ArticleXamarin Forms iOS Button Click Event is not Firing when the keyboard is open
Hi All, I have a login view with a UserName & Password field and a Login Button. While entering UserName & Password the keyboard opens and when i click login now, the click event is not getting...
View ArticlePicker rather wonky behaviour in Forms!?
Another difficult one to explain... So, we've created a new app. From scratch. And when testing it, it does... unexpected things. Everybody know what a picker is in Xamarin Forms. You add a list of...
View ArticleNeed some help on how to implement a layout.
I'm new to Xamarin and I need some help in order to recreate a layout I have on Xd h ttps://i.imgur.com/g4q32aR.png. I've already tried with AbsoluteLayout but it was messed up I think because of the...
View ArticleClik here to view.
Need some help on how to implement a layout.
I'm new to Xamarin and I need some help in order to recreate a layout I have on Xd https /i.imgur.com/g4q32aR.png. I've already tried with AbsoluteLayout but it was messed up I think because of the...
View ArticleHow to make possible to show long content shown by a DisplayActionSheet.
I am creating an application using Xamarin.forms for multi-platform mobiles. When there is an error, the application shows a DisplayActionSheet that explains the error. But the error content is not...
View ArticleMasterDetailPage ActionBar test with UITest?
Hello, I have an application that user MaterDetailPage as the root page. I want to open the side menu by tapping the menu icon in the action bar. However, when I type in 'tree' in Repl I do not see the...
View ArticleNavigation Page Title
I am navigating from one page to another with Navigation.PushAsync(new NavigationPage(new xyzpage())); and set the NavigationPage.SetHasNavigationBar(this, false); property. I am not able to show the...
View ArticleForms9Patch: Simplify multi-device image management in your PCL Xamarin.Forms...
Announcement of Form9Patch Xamarin Forms is great for developing apps on Android and iOS but it is missing two important tools for developers: scalable images and PCL multi-screen image management....
View ArticleSkiaSharp Modify and save existing bitmap
I am trying to take an existing fingerpaint bitmap which is loaded onto the canvas, modify it by adding fingerpainting to it, and then save the modified bitmap. When I reload the newly saved bitmap it...
View ArticleForms App restarts Every time when I bring it back from the background.
The App restarts from the root login page every time I bring it back from the Background, it doesn't continue. I tried with a lot of solutions that I found online. Nothing worked. I tried to handle it...
View ArticleCross platform clases
Hi all, I`m new to xamarin forms and been browsing the internet for some answers to a question I had, can I use a class from the Android part of the application in the common section. Like I have the...
View ArticlePopulating an observable collection in a ViewModel-Just learning MVVM
Hello, I am still learning Xamarin and I have successfully populated a ListView with an Observable collection from a sqlite DB, but only in code behind like this: ObservableCollection<userTbl>...
View Articlehow to access MainActivity.cs into MainPage.xaml.cs
i want to access MainActivity.cs into MainPage.xaml.cs
View ArticleApp crash using maps when I use isshowinguser true and when false it run
How to get this problem solved
View ArticleClik here to view.
Possible memory leak in Xamarin.Forms?
I've just started using the Xamarin Profiler, and I've noticed this: If you create a new Solution using the Xamarin.Forms Master Detail template Run the profiler on it. Take a snapshot. Tap on the...
View ArticleXamarin Forms SIGSEGV when Release on an Android Device
Well, here I am again, this time when I execute an app in release mode it just crashes. This is the App output crash log or whatever it's called: [Zygote] MountEmulatedStorage() [Zygote] v2...
View Article