System.ArgumentNullException when testing on Motorola Nexus 6
I am having a very weird issue with my Xamarin.Forms 1.5.0 app. I have been testing and debugging it in the Android emulator on my Windows 10 PC without any problems. When I connected my Motorola Nexus...
View ArticleXamlSamples doesn't compile w/Xamarin Studio & iOS
When I attempt to compile XamlSamples I get the following compiler error: AppDelegate.cs(20,37): error CS0234: The type or namespace name `App' does not exist in the namespace `XamlSamples'. Are you...
View ArticleNew Project Out of the box so to speak; assembly not found System.Runtime
Created a brand new project Xamarin.Forms.Shared; Went to NuGet to update Xamarin packages; after update I get the following errors. First error shows up on Application. I can't find an assembly called...
View ArticleAttribute "circleCrop" has already been defined (APT0000) common_attrs.xml...
I upgraded from Xamarin.Forms.Maps 1.4.0.0 to 1.5.0.6447. My solution contains several projects, including a lot of PCLs, two Android, and two iOS projects. Everything was building fine before the...
View ArticleHow to change background image of action bar
Hello, I have a master details page, I cana set the background color of the action bar by this: var navigon = new NavigationPage(new MyPage()); navigon.BarBackgroundColor = Color.Teal; But I need to...
View Articleselecting on item at a time in Listview
@TorbenKruse , Hi Torben, Please guide me how to select only one list item at a time in the example that was guided by you. Please find the below github link of your example....
View ArticleWhat is this: onDecode : Qmage(frame, header) Log? app crash
Hello everyone, My Android App is crashing without errors but before the crash in the console log on VS appear many many of them: onDecode : QmageFrame, QmageHeader and etc... but i have no image in my...
View ArticleiOS WebView doesn't resize Width on device rotation.
When I drop a WebView into a view, I'm having an issue whereby when I rotate the device, the WebView stays the same width as it was initially. note: I always start out vertical, so rotating horizontal...
View ArticleNot Understanding Creating Shared UI using Xamarin Forms
Hi, am new to xamarin forms, my doubt is that when we create a portable library and define UI controls for both IOS and Android, can we use controls like "Image Buttons " those are having different...
View ArticleFile Upload not working in iOS 9.0.2 working in 8.4
Hi, I am loading my website in WebView using Xamarin.Forms. It has file upload button to upload file from device. I am able to upload device files in iOS 8.4, while testing in iOS 9.0.4 onclick of file...
View ArticleHow to show Animation in Page Transitions ?
Hi All, I'm building a XForms app where I'm using Tabbed Page control. But while Navigating to another page the transition of the space occupied by tabbed page is observable quite clearly which...
View ArticleXLabs.Forms checkbox not working in iOS throwing exception
I Created Xamarin.Forms PCL project to work on CheckBox in Xamarin Studio(5.7) in Mac environment. I added XLabs.Forms package from Nuguet Package. CheckBox is working fine in android. But when i run...
View ArticleIncorporate CocosSharp/MonoGane with Xamarin.forms
Is there any way to incorporate CocosSharp with Xamarin.forms and Vice versa. I have an application under development which has some "game like" functionality like dragging and rearranging views. So I...
View ArticleChanging navigation bar back button text (
Hi, I need to customize the text and color of navigation bar back button text and '<' to white. For back button text , am doing like this In appdelegate,...
View ArticleXamarin.Forms mixed with MonoGame?
Hi, would this be possible? I mean, there is an OpenGL-View, but I want MonoGame/XNA-Code inside them. Thanks. Regards ps. Xamarin.Forms is like my GitHub-WPFLight Project, but with more native feel.
View ArticleHow to implement a Pop Up window in Xamarin Forms?
Is there a way to implement a Pop Up window in Xamarin Forms where you can put images, label, etc. and dynamic? Especially in a Map? Is there any generic implementation. Let me know. Sample code would...
View ArticleJust updated Forms app to use AppCompat using James Montemagno's excellent guide
Link to guide: https://blog.xamarin.com/material-design-for-your-xamarin-forms-android-apps/ Im seeing a strange behavior when using the above guide. It seems that my app does not render the "dark...
View ArticleException while running ibtool: -[IBUViewControllerAutolayoutGuide...
I'm running into a problem in my PCL project. Whenever I try to debug the iOS portion, I get the following error: Error 2 Exception while running ibtool: -[IBUIViewControllerAutolayoutGuide...
View ArticleFontAwesome Label: Here's how!
Here's how you'll use the new FontAwesome label (Any Graphic font will work, but FontAwesome is Awesome): var coolLabel = new FontAwesomeIcon(FontAwesomeIcon.Icon.Gear) Here's how to set it up....
View ArticleUnable to deploy app in android mobile
Hello All, I am unable to install the app in my android mobile in debug mode. I have check listed the following things. 1.Put the mobile in debug mode 2.Giving permission to app while installation....
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