Java.Lang.NoClassDefFoundError: Failed resolution of:...
I had an app that uses Google Maps Android API v2 that worked very good, like two months later I debug THE SAME PROJECT and when y run it, it shows me that exception. Java.Lang.NoClassDefFoundError:...
View Articlehow to handle the Navigation Bar in iphone X
Hi, I have an xamarin forms app when I testing in iphone the Navigation Bar overlap the Status Bar in almost all iphone devices except in the iphone X, I found a code for solve the overlap but in...
View ArticleTapGestureRecognizer in Image interfering with ViewCell Tapped event
Adding a TapGestureRecognizer to an Image in a ViewCell prevents the ViewCell's Tapped event from firing on Android (iOS works). ContextActions (tap and hold) are unaffected. Here's the basic layout:...
View Articlehi i need to add filter options like amazon to my application how do i do...
hi i need to add filter options like amazon to my application how do i do that in Xamarin. and i need to bind data to azure to filter data. also could you suggest me how to slide my filter options page...
View ArticleFtp auto-delete video
Hi guys, i'm trying to upload a video to a FTP server but after some seconds that the file is successful upload it disappear. i try the same code in PC and it work but in Android no. This is my code:...
View ArticleHow to disable scrolling in ListView?
Hi! Is it possible to disable scrolling in a ListView if you have only a few items? Thanks, sudheer.
View Article[Solved] prop in visual studio macOS is not recognized by the compiler and IDE
I was using that inside a constructor
View ArticleiS firing PropertyChanged event from a non-ui thread safe
If I bind a control to a property and fire the PropertyChanged event from a non-ui thread is that ok? It works, but will it result in nasty bugs? I remember in the WPF days PropertyChanged had to be...
View ArticleHow to put media controller button on notification bar?
i want to control media on the notification bar play or pause it, can someone help me?
View Article"Project XYZ.Droid cannot build using TargetFramework v8.1 because it is not...
I am getting this error when trying to build my project XYZ.Droid. how do I fix this issue? where is the TargetFramework setting? I dont see it in manifest
View ArticleXamarin.Android: Package XX is not compatible with monoandroid81...
I encounter a stranger behavior with a Xamarin.Android project in Visual Studio on Windows. I've created a new Android blank project, and I try ton install the NuGet package "AForge" (a mathematics...
View ArticleClik here to view.
Styling Xamarin Forms Droid Picker Popup window
I have a xamarin form android application and I cant see to figure out how to style the picker popup window. It looks as shown below. I want to remove the lines in between the items and change the...
View ArticleHow to update ViewController fields in real-time in Xamarin.iOS
I need to update fields in a ViewController every 100 msec. I tried setting a timer in the main application, but it required that the Screen Update routine in the ViewController be static. When it was...
View ArticleXamarin Forms - How to Make iOS ListView Native Grouped Style With Headers?
I also asked this on stackoverflow but haven't got any answers. I feel this should be easy but it is not working. To see my images you will have to check the stackoverflow post as I'm unable to post...
View ArticleAzure notify app when element inserted into table
The idea is we have a mobile app backed by an azure database. I am wondering if there is any way to send a notification to the mobile app in case an element has been added to a specific table. The app...
View ArticleAlexa Voice Services
I noticed Amazon pulled their AVS package. Does anyone know if there is a replacement or the components needed to add AVS to a Xamarin app? Are their any sample apps which demonstrate how to...
View ArticleInitializeComponent Does not Exist in the current contenxt
I have suffered the indignity of this bug in VS2017, i have read and applied all the suggestions i found but still not working for me. i have even cleaned my PC and reinstalled VS. what i see is that...
View Article"The specified OData query has invalid real literal"
I am developing an app using Xamarin.Android and Azure Mobile Apps backend. I recently noticed that on certain devices a function causes an unhandled exception. This is the function that causes the...
View ArticleClik here to view.
Xamarin.Forms iOS Head Project Has Red Circle with X in It and Invalid...
On MacBook Pro, Visual Studio for Mac, I open my project I see my iOS project is grayed out and not set as startup I set it as startup project, now it appears bold but still grayed out It also has a...
View ArticleHow do I use TaskCompletionSource to return a result from a PendingIntent...
I've implemented a Dependency Service to send an SMS and am trying to return a result. I think I was able to figure out how to do this in iOS using a lamba expression for the Finished callback and...
View Article