Set Command on Custom Control with XAML and MVVM
Hello. I'm trying to create a custom control with Xaml and a ViewModel that you can assign a custom command to in the Xaml page that uses it. For example, I have a login page that uses a keypad...
View ArticleHow can I make my application wait?
In my app I have a question with 4 alternatives. Upon answering I would want the UI to show the right answer before navigating back to the previous ContentPage. How can I do that "sleep" when the user...
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Release Version No work
My app is very good work on debug. But I create release .apk my app no work. I no have idea what is problem
View ArticleSetPage obsolete in forms 1.3 - how should we change the page after the main...
For login screens in my apps I have used this pattern https://github.com/conceptdev/xamarin-forms-samples/tree/master/LoginDemo However now Forms 1.3 makes SetPage obsolete in favour of a main page...
View ArticleSystem.Reflection.TargetException: Non-static method requires a target.
whenever I set the object of a binding to null I get the above exception . not a property of the object but the object itself. eg, if currentphoto is set to null I get the above exception. not only...
View Article[iOS] Databinding broken after 1.3.1
So as I'm sure most of you know, after 1.3.1 there were troubles getting apps running on iOS devices. I'm unsure if it's because I installed the update...
View ArticleProblem with menu in MobileCRM on WP
Hello, I found a problem with menu when run MobileCRM app on Windows Phone. (https://github.com/xamarin/xamarin-forms-samples) Go to list page under Leads menu then click on row to go to...
View ArticleReduce the memory pressure of the UriImageSource cache
In my app, I have a very long ListView (with custom cells) that displays an image downloaded from the internet on each cell using UriImageSource. My custom cell is defined like that: public class...
View ArticleJava Out Of Memory Error related bitmap
hi i set heap size 1g but i got this error [MonoDroid] UNHANDLED EXCEPTION: [MonoDroid] Java.Lang.OutOfMemoryError: Exception of type 'Java.Lang.OutOfMemoryError' was thrown. [MonoDroid] at...
View ArticleJava Out Of Memory Error related bitmap
hi i set heap size 1g but i got this error [MonoDroid] UNHANDLED EXCEPTION: [MonoDroid] Java.Lang.OutOfMemoryError: Exception of type 'Java.Lang.OutOfMemoryError' was thrown. [MonoDroid] at...
View ArticleLaunch an android intent from xamarin.forms
I have an intent that shows icons for sharing content in social networks. It works great but I cant implement it in xamarin.forms. Is there a way for doing it? The code that I cant Execue is: String...
View ArticleJava Out Of Memory Error related with bitmap
hi i set heap size 1g but i got this : [MonoDroid] UNHANDLED EXCEPTION: [MonoDroid] Java.Lang.OutOfMemoryError: Exception of type 'Java.Lang.OutOfMemoryError' was thrown. [MonoDroid] at...
View ArticleJava Out Of Memory Error related with bitmap
hi i set heap size 1g but i got this : [MonoDroid] UNHANDLED EXCEPTION: [MonoDroid] Java.Lang.OutOfMemoryError: Exception of type 'Java.Lang.OutOfMemoryError' was thrown. [MonoDroid] at...
View ArticleButton Style( Color) how to change ?
For Color button I use <Button HorizontalOptions ="StartAndExpand" Image="@+id/table_icon" BackgroundColor="Red" but my App is very slow. Is there any other way to change button color. Style ="" I...
View Articlenew app life cycle xamarin forms and iOS push notifications
Hello, using the new app life cycle (xamarin forms 1.3) I can't receive notifications from apple APNs. The registration works perfectly but the callback DidReceiveRemoteNotification is never called....
View ArticleCustom EntryCell is not using specified renderer
I'm working on a small change to the EntryCell class for Windows Phone - the current control does not give back the feel of native WP entry cells, and I intended to change that. For that purpose I took...
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Compile error in WinPhone after updating to Xamarin Forms 1.3.1.0 - 'Cannot...
Hi everyone, I just updated my project to Xamarin Forms 1.3.1.0 update through nuget in my Visual Studio, but unfortunately after I compiled the Windows Phone project its giving this compilation error,...
View ArticleHaving an element with Grid.ColumnSpan=2 in a grid with no columns will...
This seems like a bug. This is not how it works in wpf or silverlight. Should I create a bugzilla on this? Or is this expected undocumented xamarin behavior? <?xml version="1.0"...
View ArticleNSInternalInconsistencyException On ListView When Setting Row Height
I'm trying to set row heights on a ListView but keep getting the following exception: MonoTouch.Foundation.MonoTouchException: Objective-C exception thrown. Name: NSInternalInconsistencyException...
View ArticleCustom RelativeLayout renderer
It's there a way to create a custom renderer for the layouts? I just want to add some borders, and stuff like that on iOS. Thanks!
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