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How to give effectes (Light or auto or dark) to captured image?
We have a requirement to give effects to captured image. In effects we should provide option to change the image to Auto or light or original or Dark. I am new in xamarin android application. How to...
View Articlewhich version compatible with visual studio 2012 ??
hi all i have visual studio 2012 ( Ultimate Version ) , and i installed Xamarin last version and when i open android project in visual studio a message appear to me said that i'm not allowed to use...
View ArticleAndroid emulator opens, but project does not deploy and start
When I try to use "Deploy" to deploy my app to any Android emulator, the emulator opens, but the deployment does not start. There is no error, and the only way to stop it is Ctrl+Break. I've waited up...
View ArticleFrom time to time after compilation Xamarin.Forms App Layout is squeezed
From time to time after compilation Xamarin.Forms app Layout is squeezed only clue i have is: SetValue: Can not convert to type 'Xamarin.Forms.Color' SetValue: Can not convert to type...
View Articleimage upload to webapi, sometime failed, help me
hi. I develop first time use Xamarin Android. this code well done sometime, but sometime it's failed with message. Unhandled Exception. System.Net.ProtocolViolationException: The number of bytes to be...
View ArticleBuild to Simulator failing. Could not find part of the path
I am able to connect to my Mac and can open the simulator for Visual Studio. However, when I atttempt to run the app, I get the following error on the build. Would appreciate any insight from anyone...
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Side drawer menu for Tablet view
Hi, I developing mobile application using Xamarin.Form. For dashboard page I used MasterDetailPage, here I assigned MenuPage to Master & Contect page to Detail , below is the code. class MasterPage...
View ArticleHow to handle Navigation with Action Bar Drawer
I am using a left hand drawer for my App, and am using a v7.widget toolbar which holds the "hamburger" menu icon. I am also using a BottomNavigationBar and am switching fragments in the display area...
View ArticleHow to load an Image from App-Directory
Hi guys, I'm copying a selected Image from album into Library/username/images/ directory via: string ImageFilename = Path.Combine(ImageDirectory, imageuuid + ".jpg"); NSData imgData =...
View ArticleError went attempting to bind to custom form bindingproperty
I created a custom xamarin view call DetailsCell, the point of it is to reduce repetitive code across the project. In my custom view I created a bindable property as seen below. public static readonly...
View ArticleNavigationPage example
Hi All I've noticed that all examples of NavigationPage in both docs and samples gallery are actually a ContentPage - which is surprising. Do we have any examples of the use of NavigationPage ? Thanks...
View ArticleHow do you enable ligatures?
How do you enable ligatures in Xamarin Studio / Visual Studio Preview?
View ArticleHow to 'include' NavigationPage in XAML
Hi, I'm trying to make as much work as possible in XAML. Is it possible to 'include'/embed XAML with NavigationPage into another XAML? Example - MenuPage: <?xml version="1.0" encoding="UTF-8"?>...
View ArticleSchedule notification using alarm manager in xamarin forms for android
I have created a dependencie to show the notifications In My DeviceDetails_Droid.cs I've set set alarm for 30 seconds public void ShowNotification(string message, string title) { Intent alarmIntent =...
View ArticleWhat is best pattern to do UI Seat map ?
Laurent Bugnion said in evolve 2016: "That if You have to bind list that have hundreds items is bad design." http://www.galasoft.ch/presentations/presentationdetails.cshtml?name=2016006 Ok, so how to...
View ArticleYour assemblies are out-of-sync with installed Xamarin.Android version
Hi, in order to make support library show me the elements in design preview i´ve updated xamarin to latest version. Now it behaves wierd. Designer showes me preview just for the first time and displays...
View ArticleP/invoke: GC causes memory leak for FunctionPtr passed to extern function.
Hello, I am using the code below to p/invoke a function (from a shared library ".so") that accepts a function pointer as a parameter to register a call back, it works fine at the beginning but after a...
View ArticleBreakpoint not reached
Hi there, Since last update I can't debug services that I call via DependencyService using Xamarin.Forms, I can debug everything else but DependencyServices, is this a bug?
View ArticleThe "ConvertPdbToMdb" task failed unexpectedly
I'm getting the "ConvertPdbToMdb" task failed unexpectedly error and can see in the output that the exception is: Pdb2Mdb.PortablePdbNotSupportedException: Exception of type...
View ArticleBeginner Guides for Xamarin.Forms (2017)?
Hello all, I was trying to get a better grasp of Xamarin + Xamarin.Forms and I was wondering if any of you had suggestions on up-to-date & comprehensive guides that might such things from the...
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