How to detect scanner input in xamarin.forms
Hi, in my app (targeting Android and iOS) I want to implement a new function to scan barcodes with a bluetooth barcode scanner. On my device the scanner is detected as a keyboard. Does someone know if...
View ArticleBluetooth support in Xamarin.Forms
I've noticed a few projects attempting to tackle the issue of Bluetooth connectivity from common code in Xamarin.Forms. At Evolve 2014 we released a beta version of the Monkey.Robotics component which...
View ArticleHow to do a Windows Phone 'OnPlatform' for a ToolBarItem Icon?
This works (the icon is shown) in all platforms including Windows Phone 8.1: <ToolbarItem Name="{resx:Translate MainPageLogOutLabel}" Command="{Binding LogOutCommand}" Order="Primary" Priority="0"...
View Article[Xamarin Blog] Build Your Own Selfies App with Xamarin.Forms and Azure
Sending selfies to all your friends has never been easier thanks to Moments: a Snapchat clone built with Xamarin.Forms and Microsoft Azure. Best of all, Moments is also open-source and freely available...
View ArticleUnable to push notifications from Parse
Hi All, I am trying to push notification of parse to my android device in a xamarin.Forms Application. Here is my code: Android.manifest: <!-- IMPORTANT: Change "com.parse.starter" to match your...
View ArticleCustom view load with live updates
I've created a custom view, which I've rendered for use in a xamarin.forms view. I'm able to update the view using the OnElementPropertyChanged method: protected override void...
View ArticleAndroid Errors when loading Google Map
The map still loads and pins work as they should, but I'm getting these errors and it only started a couple of days ago. 08-12 04:27:30.151 I/Google Maps Android API( 3103): Google Play services...
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How to resize an image in Xamarin.Forms (iOS, Android and WP)?
Hi all In my app, there is a registration-page, where the user can register to have access to more functions. Among other he can load an image, that then is showed as his avatar. To select an image, I...
View ArticleVideo on Background in a content page not go in background
Hi, i have a problem to play a video in the background of a content page. I use an absolute layout to make a custom renderer class in background and an image and two label in front of the page. This is...
View ArticleProblem with Xamarin Studio debugger
I have a problem with the debugger where I'll click step-in or step-over and it just stays on the same line, and the line is green-highlighted. I could click step-in or step-over a hundred times and it...
View ArticleCan't make Custom View Cell update on property change
Hi, this is my first week with Xamarin and I can't figure this out. I have 3 classes: 1) ViewModel 2) ContentPage 3) ViewCell And a ObservableCollection where T is the ViewModel. If I add or remove...
View ArticleImageSource -> UIImage
I need to convert ImageSource to UIImage and I checked ImageRenderer for this purpose but I can't compile part of code I got from there. IImageSourceHandler handler; if (imageSource != null &&...
View ArticleHow to open other apps from xamarin forms
How to open other apps from xamarin forms ? or How to open other apps from xamarin forms apps
View ArticleException with Maps
Get the following exception when attempting to use maps: Java.Lang.RuntimeException: java.lang.reflect.InvocationTargetException at --- End of managed exception stack trace --- at...
View ArticleHow to make single control for a label used on all the pages in an application?
I need a single control for a label (as a footer) used on all the pages in an application, how is it possible? do i need to take custom control? how to do it? help me! Thanks.
View ArticleXAML Binding and Attached Properties (AbsoluteLayout in my case)
In XAML only I can't get this binding to work (the layout bounds don't get updated when the source property changes): <BoxView x:Name="leftCropBox" LayoutBounds="{Binding LeftCropBox, Mode=OneWay}"...
View ArticleXamarin Forms Labs Camera
How do I use the camera feature from xamarin forms labs? How do I implement the code and such?
View ArticleAn exception has been encountered. This may be caused by an extension.
Hi, Every time that I start a debugging session, when the debugger hits a break-point Visual Studio shows this error: "An exception has been encountered. This may be caused by an extension." Then on...
View ArticleERROR ITMS-90072: "The IPA is invalid. It does not include a Payload directory"
I'm trying to submit my app to the Apple Store, but when I try to send my IPA him of the following error ITMS - 90072 ERROR: . " The IPA is invalid It does not include the Payload directory" Anyone...
View ArticleXamarin System.IO Read/Write file not persisting between sessions
I am unable to write and then read files between sessions. Within a session everything works as expected, however, when I close the app and reload it I receive a "FileNotFoundException" when I do my...
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