Can't read image bytes from stream ("Reading would overrun buffer")
Hi, I'm trying to implement picture on profile page in my app, so I'm using Xamarin Labs for MediaPicker, to take or select images, and then using Image Resizer, I call resize after getting picture...
View ArticleHow to read DataWedge profile settings in a scanner
Hi, I am creating an app in Xamarin.Forms that runs in a Motorola scanner running DataWedge app. Is there a way to get the settings of the active profile in DataWedge app? Thanks, Fernando
View Articleframework not installed net portable version v4.5
Hi All, I just install xamarin studio with using business plan trial version, and I am trying to create xamarin.form solution and got an error when I build the solution like file attached. "framework...
View ArticleXAML Bindings not resolved in Visual Studio Editor but could be with ReSharper
When I edit a XAML file in Visual studio and look at a bound element like this... <Entry Text="{Binding Username}" /> I see a little squiggly green line under the first two letters of Username....
View ArticleProblem using the WebView control with local html files
Hello, I am trying to use the WebView control in order to display local html files but I can't do it to work properly. Actually, my application has two html files (a list page & a detail page) that...
View ArticleC++ OpenGL ES in GUI
I am considering using Xamarin.Forms for a project (Android, iOS and WP) that will require 3D rendering and am planning on using OpenGL ES to do the rendering. Now I know that Android and iOS have...
View ArticleXamarin.Forms iOS TableView custom cell and renderer throws exception!
Hi, the following is an example of a custom tableview cell and renderer. The renderer throws a nullreferenceexception. Maybe I am missing something here. Something is wrong. Any help here please?...
View Article@android:targetSdkVersion '17' is less than $(TargetFrameworkVersion)
...\Droid\Properties\AndroidManifest.xml: Warning XA4211: AndroidManifest.xml //uses-sdk/@android:targetSdkVersion '17' is less than $(TargetFrameworkVersion) ''. Using API-22 for ACW compilation....
View ArticleException with ImageSource.FromFile("") on Android
Hi, With Xamarin Froms on Android following exception is throwing when I set image source with ImageSource.FromFile("filename.png"). Image build action is set to 'AndroidResource'. Do any one have idea...
View ArticleUpgrade of normal project to Xamarin.Forms project.
Hi, I had a xamarin project that was working fine, But it was build some time ago. Now my requirement is to upgrade this project to a Xamarin.Forms project. So Installed the Form nuget package. And...
View ArticleIs it possible to set behaviors programmatically Except in Xml
I am new to this technology, Is it possible to set behaviors programmatically. without using xml. thnks. var lbl = new Label{}; lbl.behavior = ..... something like that
View ArticleHow to implement ProgressBar in xamarin forms?
I am creating a Landing screen for my App. For this, In this, service call will be happen to download the data and in this time I want to show a progress bar on an image. Any one has some idea or...
View ArticleGet the Selected Item when clicking a Button within Listview
I want to be able to click the button in the Listview and get the selected item corresponding value. I don't want to tap the item in the list, I want it operated by the button only. How can I do this?...
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Animating ActivityIndicator on Android breaks application?
I've faced really weird behaviour when ActivityIndicator sometimes breaks an Android application. I'm displaying activity indicator on top of ListView, on page appearing (Appearing event) spinner is...
View ArticleListView binding not working
I am getting errors while binding values in listview. I am using xamarin forms Xaml. _ _ This is the listview code. when I commented out the itemtemplate. it shows all the items from lstTimeZoneCities...
View ArticleMasterDetailView "Hamburger" icon on iOS
I have a MasterDetailPage as MainPage in my project for Android and iOS, contained in a NavigationPage (as I want to change the full page content, including the App bar buttons, without an extra...
View ArticleHandle Done button on Keyboard
In my Andoid app I have an Entry field for the user to input a number. I have the field set to only accept numbers. When the user clicks on the field it brings up the keyboard. On the keyboard there is...
View ArticleInvocationTargetException Android ViewCellRenderer
Hello! Currently I'm working on updating an existing application where I used a ViewCellRenderer to improve performance of the ListView for Android which worked perfectly fine at the time. However, it...
View ArticleWindows Phone Entry loses cursor position
Hi all, I have encountered the following issue: I am making WP8 project. Then when I make a simple page with one entry and write something in that entry everything is OK - the Entry renders perfectly...
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