Error in Android: LoadApplication(new App()) - Object reference not set to an...
When I use Galaxy S6 (Android 5.1.1) I get error "Object reference not set to an instance of an object" in Droid app here: LoadApplication(new App()) When I use Galaxy S4 (Android 4.4.2) all is good.
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Image Opacity Mask to apply color to image possible in Xamarin.Forms?
In WP8.0, you can do this <Rectangle Width="24" Height="24" Fill="#F00"> <Rectangle.OpacityMask> <ImageBrush Stretch="Fill" ImageSource="LikeIcon.png" />...
View ArticleTapGestureRecognizer not firing for Android
TapGestureRecognizer is working for WinPhone but on Android although the Application Output is showing [ViewRootImpl] ViewPostImeInputStage ACTION_DOWN but the Tapped evenit isn't being called... var...
View ArticleHow fix deployment error Xamarin.Forms 2.0 Android API 21
Hi: I tried to reset deployment target to latest version and minimum level to API 21 and still fails to deploy with the following message: Deployment failed because of an internal error: Unexpected...
View ArticleNavigation Back Button Image not working with Custom Renderer
I have taken my working Navigation Renderer and added setting the Back Button to an image and it is not working. I am getting the word Back instead of the desired image. Here's my code: using System;...
View ArticleCustom renderer and parameters
Hi. I have a "Entry" Custom Renderer (called "MyEntry"). I would like to pass a parameter to MyEntry constructor. For example I would like to pass an integer: MyEntry entry = new MyEntry(5); How can I...
View ArticleException thrown when instantiating a Map in Xamarin.Forms 2.0 on Android
After upgrading my Xamarin.Forms 1.5.2 project to Xamarin.Forms 2.0.0.6484, I keep getting the following exception whenever I try to access a page with a Xamarin.Forms Map instance. See below. I have...
View ArticleListView.ScrollTo not working on Android
Hi, We have working in Xamarin Fourms Application, In IOS ListView ScrollTo is working fine, but in android ListView ScrollTo is not working. please help. Thanks
View ArticleTrying to position a grid on my screen
Hello, I am trying to position this (1x2)grid that contains an entry field next to a button on my screen. The grid should lay on top of the button that called it originally. I am trying to move the...
View ArticleWinPhone - Layout cycle detected. Layout could not complete.
Hi Guys, i am testing an WinPhone Silverlight 8.1 Xamarin Forms Application. I have a StackLayout where i add an SearchBar and an ListView search.TextChanged += (sender, e) =>...
View ArticleXaml Intellisense in Visual Studio 2013
Hi everyone. I hope that I am putting this into the right forum. if not, please tell me where it needs to go. :-) I have setup the Mobile Essentials pack from :...
View ArticleProblem with Facebook Components Namespaces
Hello, I'm Having some problems when using Facebook components for iOS. I use Facebook SDK (by The Outercurve Foundation) in Forms for some cross platform Facebook activities. To get the access token...
View ArticleDisposing stream from camera
Hi, I've got a quick question that I could not find a satisfactory answer to. In my app (iOS for now) a user selects an image from a gallery or takes a picture with a camera on one page, and later on...
View ArticleXamarin forms Scrollview Scrolled finished/ending how to know
Hey. I am trying to find a way, to know when a scrollview is not scolling anymore, so after the scoll is stopped, i can call ScrollView.ScrollToAsync, to position the element, that is closet to the...
View ArticleCustom Renderer for Grid
Hi, I want to build a custom rendere for Grid layout for iOS How to build it, there is no GridRenderer
View ArticleGraphic editor functionality using Xamarin frameworks
I am assessing how much and which of Xamarin's frameworks (and the ecosystem) I can use to create a Graphics editor (think of interactive shapes such as curves and rectangles). I know I can use...
View ArticleCustom renderer for Picker
Hi, I'm really new to Xamarin and Xamarin Forms as well, so maybe it's a stupid question: I'm trying to implement my own renderer for Xamarin.Forms.Picker, I'm starting from Custom renderers example. I...
View ArticleCalendarView
Am i the only one where Xamarin.Forms.Labs.CalendarView does nothing? I just see a blank region and cant get it working :-/
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App Crash when Change Application.MainPage on Android 4.0.4 in...
This one is a pretty specific case, so I could just be doing something wrong or have misunderstood how MainPage works on Xamarin Forms. I have created a very small demo project (using Xamarin's...
View ArticleBackgroundcolor on android 5.1 is drawing in front of images
I just tested it on my nexus 4, the images won't appear if I set the backgroundcolor property of the Content Page, haven't got a chance to test on other OS version or device though. On ios it works fine
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