Unable to use WCF within Android app
I receive the following exception when attempting to invoke a WCF service within my Droid project: "Operation is not valid due to the current state of the object" I am not sure what I am doing wrong....
View ArticleMR.Gestures handles ALL touch gestures
With MR.Gestures you can handle the Tapping, Tapped, DoupleTapped, LongPressing, LongPressed, Panning, Panned, Swiped, Pinching, Pinched, Rotating and Rotated gestures on all layouts, cells, views and...
View ArticleImage Property on the Button
I am using the Button on the release version of forms, trying to understand what needs to be assigned to the Image property, so an image is added to my text in the button. Are there any good samples?...
View ArticleContentPage was not found error, when creating new xamarin.forms portable app
I have visual studio 2015 community installed on windows 10. I'm getting an error 'ContentPage was not found' after i do the follow simple steps. * In Visual Studio 2015 add new project select 'Blank...
View ArticleOut of memory Exception in Android
My apps is running for iOS, but when I went to a page with images and text, I got this error: E/dalvikvm-heap(7503): Out of memory on a 63632816-byte allocation. I have no ideas about this error?
View ArticleOpenGLView custom renderer?
Hi everyone! Is it posible to write a OpenGLView custom renderer? I can't find the renderer I should use in my platform project.
View ArticleBug: Button with colored background that's disabled still lookS enabled
A button with a colored background that's disabled can still look enabled even though it's not. A workaround is to alter the TextColor with a Trigger. <Style x:Key="materialsButtonStyle"...
View ArticleNavigation.PopAsync not freeing Page
I'm having a problem in a project where pages I pop from my Navigation controller aren't freed or collected by the GC on iOS. I eventually run out of memory and crash. I figured I had reference cycles...
View ArticleAdMob Component with Xamarin Forms
I am writing to ask if code samples are available for integrating the Google AdMob Component from the Xamarin Store - into a Xamarin Forms app project; At this point - only iOS is being targeted as a...
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 ArticleAdding WatchKit to Xamarin Forms app not working
I've followed the instructions here to add a WatchKit Extension and App to my Xamarin Forms project. I have also double- and triple-checked that the various Ids are matched up properly. However when I...
View ArticleActivityIndicator does not show from the async function
I am trying to display an activity indication on button click. When I click the button the indicator does not show: Please Help Thanks... I am creating the activity indicator as shown below: var...
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Xamarin.Forms Intellisense not Working on Visual Studio 2015 clean Install
Hi, I'm trying to write a Xamarin.Forms project in Visual Studio 2015 made with a clean install: What do I do? I thought there was built-in support. Regards.
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UserDialogs for Windows App
I'm developing an app that must run on Android, iOS, WinPhone and Windows App. For the first 3 platforms I used Acr.UserDialogs library for UserDialogs like Loading, Confirm Msg, etc called from a...
View ArticleThe application may be doing too much work on its main thread on Android
Hey there, We are building an app with Xamarin.Forms.. App works well on Windows and iOS without much performance impact, however on Android performance is extremely slow.. When I checked output in...
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Need Cell Editing in Xamarin Forms
I need Cell Editing in Xamarin Forms XFGrid. I attached the XFGrid design. Please help me. Thanks in advance
View ArticleWindows (Phone) Picker: Howto set Textcolor by more than 5 Values
Hi, I have build a custom renderer to set the Textcolor (Foreground) for a Picker on Windows Phone. `public class WindowsPickerRenderer : PickerRenderer { private static Brush _textColor; private...
View ArticleProblems with UriImageSource cache and images
If I have 30 images with URI sources, then Xamarin fails to download them all, and some of them show up as empty. The matter is made worse by the fact that the empty (or failed) images are cached. I am...
View ArticleReplace a modal with another modal
Hello, Is it possible to replace a modal with another modal? I'm opening a modal from a ContentPage usando Navigation.PushModalAsync(). The constructor object receives two parameters that I want to...
View ArticleVery High Memory Usage with Simple App
As I began UI Testing my Xamarin.Forms application I noticed Peak memory usage of > 220MB. This seems high to me. So I created a blank Xamarin.Forms app from the template. i.e. the app that says...
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