Binding Page's Command within ListView of ContentView
Within my ContentView (name=CvProduct) I have a ListView (nam=LvProducts) and several controls within each cells with their specific commands that are accessible in the Page's (name=Products) viewmodel...
View ArticleHow to pass parameter from Rg.Plugin.Popup to content page?
When I am going to pass parameter from Rg.Plugin.Popup page to a Content page,the content page will reload so how to accept parameters from popup page to content page?
View ArticleCollectionView not firing SelectionChangedCommand
I am using FreshMVVM to bind my view models to my views, and all commanding has worked great so far. However, I am not able to get the SelectionChangedCommand to fire when I change the selection of a...
View ArticlePlacing a FontImageSource in a ResourceDictionary
I'm trying to add a FontImageSource to a ResourceDictionary so that I can reuse it by referencing a x:Key. Here's what I have tried, but the compiler doesn't like the way I defined the FontImageSource....
View ArticleXamarin Forms Picker Problem!
I have a problem with my Pickers! If i open a picker in the Android App, but then tap anywhere outside so that it closes, the Picker is not responding anymore, and there is no ability to select it...
View ArticleXamarin.Forms on IOS - DidReceiveRemoteNotification doesn't execute code
In my Xamarin application where I have implemented push-notifications, I have some executeable code in the DidReceiveRemoteNotification function. The function is not being called when I receive a...
View ArticleUnable to write on SD card
Hi, I can't write or simply move a file stored on SD card. I have no exceptions reading/writing files on the phone storage reading files on the SD card Certainly the permssions are present in the...
View ArticleConnect to backend web api on Android Emulator
Hi, I'm using visual studio 2019. I created new xamarin project, chose tabbed template and included backend web api. I tested the app on android emulator, it worked perfectly when using MockDataStore...
View ArticleHow to connect a xamarin cross plateform app with an api asp.net?? to used a...
Hi sorry for my ENGLISH, please i create yet an web asp.net api project and a xamarin forms app. And i am troubling. And i dont know what do exactly****
View ArticleHow to arrange native code items when using binding assemblies which project...
I’ve been working on integrating a vendor’s SDK “ThirdParty” into my Xamarin Forms app “MyApp”. I ran into something with jar/aar binding that I figured out a hack for, but it seems like there should...
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System Crash when I swipe to Delete a ListView item and then Select another Item
Latest stable version of Xamarin.Forms and Visual Studio 2019. Stack trace shows error originates in Xamarin.Forms.Platform.iOS.ContextScrollViewDelegate. I did some research and it shows this bug was...
View ArticleIs it possible to add Common control between Tabbed pages in Xamarin.Forms app?
Hi, I have app with 8 children content pages inside a Tabbed page. I want to add 2 buttons which are common across all 8 tabbed pages. How can i add? Below is my code : <?xml version="1.0"...
View ArticleListView with Entries - Selected Entry Loses Focus when Keyboard Opens
I have a ListView with an ItemTemplate & ViewCell defined in the xaml. My ViewCell contains a grid that has numerous Entry controls. When an Entry is clicked it gains focus, causing the keyboard to...
View ArticleXamarin.Auth - Facebook NativeUi - How to change logged user?
I'm trying to implement Facebook NativeUI authentication in Xamarin.Forms PCL project for iOS, and have following problem. I created authenticator in PCL library like this authenticator = new...
View ArticleHow to efficiently update a ListView without using ObservableCollection?
This is a high-performance scenario with a very large number of items. Whenever my data store changes for any reason, I'd like to reload the data and insert it into the ListView in virtual mode. This...
View ArticleDevice.StartTimer async
Hi, Is there any trick to use Device.StartTimer with async? Device.StartTimer(TimeSpan.FromMinutes(1), async () => { await DisplayAlert("","",""); } It doesn't compile: Cannot convert async lambda...
View ArticleIs CollectionView supported for UWP projects?
I am trying to get the CollectionView working in my Xamarin Forms UWP project. Despite using very simple examples, I am having problems getting the SelectedItem to bind as well as the...
View ArticleHow to print image via bluetooth printer
Hello , everyone, Currently i am develop a program that allow user to print receipt .Now i want to enhance it so it can print image (Company Logo) , so anyone know how to print image from xamarin form?...
View ArticlePage loaded event?
Is there a good way to make your own page loaded event. I'm having an issue on android where if I build a table dynamically before the page is fully loaded (displayed) on the device that as you scroll,...
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