Does CollisionPolygon2D support 9+ vertices?
I've tested CollisionPolygon2D on polygons with 3-16 vertices. Polygons with up to 8 vertices demonstrates pretty accurate collision; however, when the vertices exceeds 8 (like with a Nonagon, for...
View ArticleNavigating from One Tab to another taking time - I am using custom control...
I am creating App in Xamarin Form which has three Tabs and each tab has a content page Page 1 - It has a chart control and a List view which is created using grid control. Page 2 - It has just a List...
View ArticleImmediate Error: ibtool exited with code 255
Hello. I use Visual Studio for Mac Community version 7.4.1 (build 48), under MacOS High Sierra 10.13.4 (French). Android part is not installed. New project / iOS application / Single view / Next....
View ArticleCan I embed a NavigationPage into a place holder?
This is currently my main page which is a tabbed page like instagram. public partial class MainPage : ContentPage { void Home(object sender, System.EventArgs e) { var page = new Feed();...
View ArticleWhen I add a second activity for android target, it has not TitleBar
Hey, Because I want to create a native Android Preference screen in my xamarin forms app, I added a second Activity: [Activity(Label = "Unicat OM Settings", Icon = "@drawable/icon", Theme =...
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Frame not rounding corners in UWP
I have an app that I am working on and have hit somewhat of a roadblock when it comes to designing the UI. The frames xaml does not seem to automatically cut of the corners of the child views on...
View ArticleDetect and Open another App on device
Can someone tell me the best approach to accomplishing this for IOS and Android. Code samples or links to related discussions would be most appreciated. thanks
View ArticleHow can I get device token in Xamarin.Forms?
Hi All, I want to use device token for various purpose like push notification using urban airship. Can anybody please suggest how to get device token in Xamarin.Forms ?
View ArticleXamarin.Forms Label won't word wrap inside a Grid
I define a Grid like this: var easyGrid = new Grid(); easyGrid.ColumnDefinitions.Add(new ColumnDefinition { Width = GridLength.Auto }); easyGrid.ColumnDefinitions.Add(new ColumnDefinition { Width = new...
View ArticleNullReferenceException on InitializeComponents - What did I do wrong?
Hello, I've encountered an error when loading a new ContentPage. When the app reaches InitializeComponents() I'm thrown with System.NullReferenceException. (both on iOS and Android) Can someone please...
View ArticleWhat is the Best Practice for Raising Custom Events in the MVVM Pattern?
I am currently building a small app using MVVM pattern. I also implemented custom ViewRenderer by following the guide on building hybridwebview. I wanted to extend this example a bit and add a button...
View ArticleLoading signed app via iTune
I'm one who did update to Xcode 9.3 and had problems with Visual Studio for Mac the past days. After installing the patch for the problem come out last Friday I was able to reinstall the app in debug...
View ArticleAndroid Java Bindings , class field does not have the correct type.
I have a lib with a class that has a field with byte[]. This field becomes IList</byte/>. However I need this field to be used as input for methods in the library which have byte[] parameters...
View ArticleBinding Java Library problems with array and list
I have a problem regarding arrays and the binding. I have this method in the java code: public int generateDisplayImage(byte[] image, int inWidth, int inHeight, byte[] outImage, int outWidth, int...
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When creating Custom Renderer how to call native method from PCL?
Easy for you gurus... I'm creating a custom renderer for Maps. Now I'd like to create an additional custom method (e.g. updateMarkers) on the PCL class that extends Maps. How do I implement that method...
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Entry with numeric/telephone keyboard changing app background color
I'm noticing very odd behavior on Android using Xamarin.Forms. Typing into an Entry with a numeric/telephone keyboard (all other types don't have this issue) darkens the background color. This behavior...
View ArticleFile Not Found on Mac
I'm newbie, Trying to build an existing application on VS2017 on windows, I successfully paired Mac. when solution is defaulted to Android... build is success... when defaulted to Mac - build throws...
View ArticleNeed Help. Upgraded Xcode to 9.3 with new version of Visual Studio but IOS...
Hi, I was able to deploy my app on a remote mac with XCode 9.2 fine but I have recently upgraded my Xcode to 9.3 with newer version of visual studio ( 15.6.5 ) on both mac and window but now I am...
View ArticleBuild problem: Failed to resolve "System.Diagnostics.PerformanceCounter"
Build fails for my application when building for the AppStore target with the following error: MMP : error MM2002: Failed to resolve "System.Diagnostics.PerformanceCounter" reference from "System,...
View ArticleSystemSound.FromFile(UILocalNotification.DefaultSoundName); is null
I would like my notificaitons to play sound, but the following piece of code returns null var soundObj = SystemSound.FromFile(UILocalNotification.DefaultSoundName); //inspect value: null
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