Cannot access a disposed object exception when trying to send a JSON string...
Hello! I am having a very hard time with this issue. It seems very strange and I am starting to wonder whether this is actually a Xamarin bug or one og my own. Please help me out if possible. I have...
View ArticleXamarin.Forms.Lottie 2.5.4 is not Working
I am install Xamarin.Forms.Lottie 2.5.4 nuget, i use code from sample but when i run then it gives error Could not resolve type with token 0100007c (from typeref, class/assembly...
View ArticleClik here to view.
Invalid XAML. Can't find the issue...
Hey guys. I think I'm seriously blind. The LoadFromXAML function in the .g.cs file is firing a target invocation exception. My thinking is that there is something fishy in my XAML, but i cant seem to...
View ArticleAppLinks crashes with "Make sure to call FirebaseApp.initializeApp(Context)...
For anyone else that runs into this issue, here is how I fixed it. I was running Xamarin.Forms 2.4.0.282 and Xamarin.Forms.AppLinks 2.4.0.282 using Visual Studio 2015 Enterprise and Xamarin.Android...
View ArticleBuild failed when upgrade Xamarin.Forms to latest version
Does anyone face this exception? I got on both Android/iOS build. Xamarin.Forms.2.3.4.247/build/portable-win+net45+wp80+win81+wpa81+MonoAndroid10+Xamarin.iOS10+xamarinmac20/Xamarin.Forms.targets(62,3):...
View ArticleClik here to view.
Start animation when label is tapped
Warning, noob alert! In a Forms project content page I have a label that when clicked, should start an animation on another visual element on the page. While I could easily do this in code behind, I am...
View ArticleEntry Control not showing underline?
Hi All, I have started a new project and noticed my entry control do not have the under line which is a real pain because my background colour is white and the user does not know where to start typing....
View ArticleHow to use a proxy with WebView?
Is it possible to get proxy settings with a webview? I am mainly looking at iOS for this but am working in forms. My app uses a VPN and I must use a proxy for the webview to access the internet via the...
View ArticleThe "XamlCTask" task failed unexpectedly.
Hello Team, I am facing this The "XamlCTask" task failed unexpectedly. problem after adding the xamarin.forms.maps package to my application. Waiting for your response.
View ArticleClik here to view.
Xam.Media.Plugin camera orientation issue on iPhone
Note - Project is cross platform and developed in forms. When iPhone orientation is locked (orientation lock : ON) this plugin works fine. In case of iPhone orientation is unlocked (orientation lock :...
View ArticleCant get permissions to work for media plugins!
Hi guys! I followed https://github.com/jamesmontemagno/MediaPlugin on how to fix permissions for Andriod for camera and browsing pictures. I still get error for "Cannot throw...
View ArticleNullReferenceException on StackLayout Children.Clear at...
I am getting this exception when I clear the a StackLayout. Any ideas? Also, I have seen a few other posts regarding this error and there wasn't a solution. System.NullReferenceException: Object...
View ArticleToolbar Image Issues
I am trying to use the toolbar items in Xamarin.Forms. However, I am having 2 issues that I am not able to fix. 1. I am not able to center the logo of the app in the middle of the toolbar. 2. The logo...
View ArticleI need to implement login form AD authentication with my ON-Premises and data...
Hi, I need to implement mobile app with local AD with public IP and also save some data into MSSQL Server with public IP
View ArticleUWP: prevent all lowercase table section headers?
Hello, in my UWP app all my table section headers are are lower case. Is there a way to prevent this? For german speaking users this is quite irritating. Regards, Dirk
View ArticleStatic resources inside TableView using XAML doesn't work
Hi, There is no way to find a resource defined inside a ContentPage.Resources if you call it from a tag inside a TableView. Maybe I'm doing something wrong but this code doesn't work for me:...
View ArticleThe deal with Signature Pad
I tried to install the "Signature Pad" component, but when I tried to in Android this message pops: Adding SignaturePad.Xamarin.Forms.PCL... Attempting to resolve dependency 'Xamarin.Forms (≥...
View ArticleWhat's the best approach to get offline sync done ?
Hello Xamarin developers, We are working on big project that our first goal is performance, so what's the best approach to implement these functionalities We need to implement mobile database that will...
View ArticleHow do I code this in XAML?
Hi Everyone I would like to find out how to code the below screenshot in Xamarin Forms. It is basically answers to a question. The user can only select one answer. The border will change to orange when...
View ArticleNull reference exception on a ListDictionaryInternal
I have a custom button control where when the text is set, the text width is measured and the button width is adjusted. When this happens I get a Null reference exception on a ListDictionaryInternal...
View Article