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Xamarin Forms - RelativeLayout WidthConstraint
I was trying RelativeLayout in Xamarin Forms for the first time. I was hoping to get the login fields (entries along with login button), in the middle of the screen, also width to be half of its...
View ArticleCalendar Plugin
Hi Xamarin Forum is there anyone knows a nice calendar plug ins for xamarin forms that can pull birthdays data from database and plot it in the calendar?
View Articlehow to get WiFi item list?
this code not work var wifiManager = (WifiManager)Android.App.Application.Context.GetSystemService(Context.WifiService); IList<ScanResult> list = wifiManager.ScanResults; how to get WiFi item list?
View ArticleiOS Bundle Signing tab shows an error
When clicking on ios project properties iOS Bundle Signing tab shows an error "Value cannot be null. Parameter name: source ". When clicking second time on this tab there is a different error "An error...
View ArticleGetting error "java.exe exited with code 2"
2>Using "CompileToDalvik" task from assembly "C:\Program Files (x86)\MSBuild\Xamarin\Android\Xamarin.Android.Build.Tasks.dll". 2>Task "CompileToDalvik" (TaskId:419) 2> Task...
View ArticleCorrect 'OnPlatform' syntax in XAML?
I'm trying to understand why this snippet is throwing a XAML parse error at runtime: <Style x:Key="MyButton" TargetType="Button"> <Setter Property="BackgroundColor" Value="Transparent"/>...
View Articlexamarin form app file not saving
I have created xamarin form app for signpad which capture sign and saving png file to device storage but file is not writing on storage var image = await...
View ArticleListview button problem
I'm outputting data to a Listview on a page, for each item in the page I assign an 'Id' to a buttons command parameter, taken from a database (part of RModels). I'm trying to bind the button to call...
View ArticleHow to get an original image size?
Hi! I have the very basic case, but can't find elegant solution: need to know original image size for layout. But after loading an image to Image view I get -1 value for its width and height. Here's a...
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Xamarin forms ios : No done/cancel button showing
When I present view controller from Xamarin auth Get ui then not able to get cancel or done button. Anyone have idea why it is so? This is how I do that in Xamarin forms ios renderer => var auth =...
View ArticleWhen will a working Bluetooth example be added?
The only bluetooth example is 3 years old and broken.
View ArticleApp Transport Security (ATS) - The certificate for this server is invalid.
Hi all, Understand that for new Xamarin.iOS apps, we should use HTTPS exclusively when communicating with internet resources. When I try to debug my app in simulator, first exception hit is...
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Can I disable certain keys on a keyboard, or cancel their input?
I've got an Entry control on my Xamarin application home page, which is used for entering a person's age. I've set the keyboard to be Keyboard="Numberic" However, this is causing confusion as, for...
View ArticleTapGestureRecognizer multiple CommandParameter
Hi Guys, i try to send multiple strings within a tapgesturerecognizer event but i dont get it. I also tried to send a JSON String as CommandParameter and Deserialize it afterwards in the code behind,...
View ArticlePrism/DryIOC object not updated after injecting in ViewModel constructor
I'm running into an issue where an object injected via Prism's container doesn't have the correct values after it's injected to the ViewModel constructor. I've created a sample to illustrate the...
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How to close Rg plugins popup if a condition is true?
I am using Rg plugins popup for password verification. I want to close the pop up if the password is correct. Currently, the popup will close when back button pressed or background clicked. I don't...
View ArticleDataBinding and notifications
I'm using local notifications for both Android and iOS, i wanted to bind data that i get from bluetooth to notifications, couldn't find any informations about that online ... I have my viewmodel in...
View ArticleTabbed Page with Icon
Hello, I want to set icons in tabbed page and I'm using this code but everytime i get null exception on this line if (actionBar.TabCount > 0) and also app crash when i go from login screen to this...
View ArticleWarnings about failed bindings in Android logcat
Hi all, While investigating an issue with building the Android-version of our Xamarin.Forms App in VSTS (see here) I discovered a couple of surprising messages in the Android logcat, just prior to the...
View ArticleNavigation on iOS in XF 3.0 - PushModalAsync
Hi, I have an app that I've just upgraded to XF 3.0 from 2.4, I now get an exception when calling "Navigation.PopModalAsync" because there is nothing in the stack to pop. Actual error is an...
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