Grouped ListView - can you detect when the group header is selected/tapped?
Using a Grouped ListView, is there a way to detect when the group header is selected or tapped?
View ArticleList view data not populate after search xamarin forms
After searching list data from search bar, list data not populate second time on list view after click on close icon from search bar? here is my code for searching : private void...
View ArticleFilter an ObservableCollection in XAMARIN
I'm trying to filter an ObservableCollection in Xamarin project but have problems. I have field "Checked" in my model Names which returns true or false. I need to get data where field "Checked" equals...
View Articlelistview on iOS may render an item over the top of another and also in the...
Hi all, This is something we've noticed since iOS 11 came out - sometimes the listview will render one of its items in the expected location AND also over the top of one other item. example: Group1...
View ArticleSend Email in the background when there's low conexion
Hello. I'm developing an App that sends Emails. This app works in and environment that sometimes doesn't have connection. So, I save the Email in a local database. Now I want to check in the background...
View ArticleWhat backend solution should I choose?
I am in the process of creating a Xamarin.Forms mobile app via Visual Studio. I was looking into finding a solution for the backend (server) that the app would need to communicate with. I am aware that...
View ArticleTabbed Chlid Page OnApearing Invoking Twice
Hey Guys I'm using TabbedPage having two child inside e.g. A and B (XAML) Now when I'm navigating to TabbedPage so, A page OnAppearing invoking two time which my default page in tab. is this the...
View ArticleBackgroundUploader for Xamarin.Forms C#
Hi Experts, I am working on converting my WindowsPhone project to Xamarin.Forms project. I had a BackgroundUploader task for uploading my video files to server in background. However, I am not able to...
View ArticleRun App from Notification launch white blank screen
I am having problem launching an app from notification. It's a Xamarin Forms project. Here's the some of the code void CreateNotification(string title, string desc, string tickerText, string parameters...
View ArticleGetting Null Response
Unable to understand what actually I am doing wrong. public bool PostData(RegistrationViewModel t) { try { using (HttpClient client = new HttpClient()) { var json = JsonConvert.SerializeObject(t); var...
View ArticleUpload MultipartFormDataContent with IntentService
I am writing a PCL project targeting mainly iOS and Android and I am experiencing a problem with the uploading of the data that is captured. I want to use an IntentService to do this because of the...
View ArticleHow to bind ObservableCollection to DataTemplates?
Hi! I'm trying to figure out how to go about binding my ObservableCollection to a DataTemplate XAML. On the 'Entry' i want to be able to update the values from other places, but to do that it needs to...
View ArticleAccess denied when writing to file with FileStream
I'm trying to append a string to a text file located within a .NET shared project while running the app on a real Android device, but I'm getting this runtime error: System.UnauthorizedAccessException:...
View ArticlePush Notifications have stopped working on both iOS and Android
I released my app a few months ago now and all has been well, recently, however, some people have stopped receiving push notifications. At first, it was just iOS but it has now progressed to Android...
View ArticleSQLite Attempting to JIT compile error after publishing app to device
Hi. I currently have some problems with SQLite and Xamarin.Forms. I formed the full question under StackOverflow but didn't get any answer yet. My hope is that someone already had the error and know...
View Articlei got this error while testing my app in "System.NotSupportedException:...
i got this error while testing my app in emulator "System.NotSupportedException: Cannot compile: Parameter" "E/mono ( 1442): Unhandled Exception: 04-20 17:36:23.739 E/mono ( 1442):...
View ArticleiOS StatusBar Text color - Tabbed Page with Nested Navigation Page Children
I have been around the net looking at many posts on this topic related to navigation pages and setting BarTextColor equal to white for iOS. I have read the theories that a color has to have some blue...
View ArticleTop Padding in Carousel View on iOS
I have a CarouselView inside of an AbsoluteLayout. It is the only element within the AbsoluteLayout. This AbsoluteLayout is the only element of a ContentPage which has...
View ArticleNeed Help AutoComplete XLabs(Newbie to Xamarin)
Hello Community, I am a newbie to Xamarin Platform and need help with the AutoComplete Control from XLabs. Can somebody share a small demo app build showing working of AutoComplete. Till now I have...
View ArticleRescaling Images for displaying in ListView
Hey there, I have a project, in which the user can login via Facebook or Google. The app then downloads the users profile pictures, and they get displayed different Pages, including a ListView. The...
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