Runtime Error using DateTimePicker
My xamarin forms Android app crashes as soon as I click the DateTimePicker, on simulator or real device. Targetting Android 5.0. Caused by: md52ce486a14f4bcd95899665e9d932190b.JavaProxyThrowable:...
View ArticleHow to dismiss keyboard in WP, when „Enter-Key“ is pressed?
Unbelievable, but true: Since I work with XF, the Keyboard in WP don’ dismiss, when the “Enter-Key” on the soft-keyboad is pressed (while it works without problems on iOS and Android). I also have...
View Article[BUG] Upgraded iPad to 9.0.1. Using QLPreview results in invisible dialogs!
I recently upgraded my iPad to 9.0.1 to try and debug an issue my boss was experiencing with our app. In doing so, I actually came across another bug that I need help with. I am using...
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 ArticleAndroid Picker - Text Color?
Is there a way to change the Text color of the Xamarin Forms Picker for Android? (The sponner that pops up, not the actual control that shows the choice made.) I've tried this, but the Spinner is...
View ArticlePushAsync from a tab within a TabbedPage
I have a root NavigationPage. I PushAsync to a TabbedPage. One of the tabs is a ContentPage that has a Picker, and on SelectedIndexChanged I need to PushAsync another ContentPage. This throws...
View ArticleAccessing Navigation from AppDelegate
How would be the best way to popup a modal (across the entire app) from the response of a notification action? The AppDelegate's ReceivedLocalNotification executes, however I am not exactly sure what...
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Create a layered Page/layering controls
Maybe I'm not searching for the right thing here, but by the life of me I cannot find a good sample of how to layer one control over the other, in XAML. For instance I have a map control and I want to...
View ArticleXamarin.Forms 1.5.0-pre3 Released
1.5.0-pre3 Notes Resolved Issues introduced 1.5.0-pre1 Bug 32881 - Null Reference Exception launching a page from a Carousel Bug Fixes Bug 32928 - Taps are erratic on android Other Fixes [iOS] - Fix...
View ArticleCorrect approach of adding zoom and panning capabilities to a custom Image...
I'm creating an Image custom renderer for iOS on Xamarin.Forms. I'm able to successfully recognize the different touch gestures such as pinch gesture and swipe gestures in my iOS custom renderer. My...
View ArticleNavigationPage BarTextColor is not working in android 5.0
I set the BarTextColor at NavigationPage. Its working on android 4.0. But the color is not changing when install on android 5.o and above. My code is as follow: NavigationPage nav = new...
View ArticleAdding png to Resources\Drawable hangs Visual Studio
Every time I add a png to Visual Studio in our Xamarin.Forms Android project, Visual Studio hangs. Not sure what is causing it, but I didn't have the same issue when adding the first image to the...
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Buttons in a Relative layout don't trigger "Clicked" events
I'm a newbie, using XAML with Xamarin Forms. Here's the UI: And here's the code: <RelativeLayout x:Name="DeviceLayout" VerticalOptions="Center" HorizontalOptions="Center">...
View ArticleVisual Tree Helper
Hi, Is there an equivalent of WPF's VisualTreeHelper? I need to loop through all the visual elements of a page. Thank you
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XAML Button sitting in middle of grid cell, despite using END definition?
I am building a Xamarin app with two icons in which I have used the following code: <?xml version="1.0" encoding="utf-8" ?> <ContentPage xmlns="http://xamarin.com/schemas/2014/forms"...
View ArticleTable with data in columns performance
Hello, i am new to Xamarin and i am trying to do a sort of table: a list of a lot of data(so a fluid scrolling is important) divided in columns of the same width in percent(so they adapt to every...
View ArticleiOS Class Library loads on iPhone but not on iPad (Relase build)
Hi, I'm having an issue and cannot find a solution to it. I have 2 applications, one universal and one iPad only. Both are build on top of Xamarin.Forms and use a shared iOS class library where i've...
View ArticleSystem.ArgumentException: 'jobject' must not be IntPtr.Zero
03-28 00:21:42.803 E/mono (30674): Unhandled Exception: 03-28 00:21:42.803 E/mono (30674): System.ArgumentException: 'jobject' must not be IntPtr.Zero. 03-28 00:21:42.803 E/mono (30674): Parameter...
View ArticleIs there Xaml Designer
Hello there! My name is Kliment Tenev. This may not be the place where i should ask this question but i some days ago i brought indie subscription for Xamarin and i am little frustrated right now. So...
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