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Questions tagged [xamarin]

正规365体育投注 Xamarin is a platform consisting of Xamarin.iOS, Xamarin.Android, Xamarin.Mac and Xamarin Test Cloud. It allows you to write cross-platform native Apps for iOS, Android and Mac and follow your app through its entire lifecycle. The introduction of Xamarin.Forms supports Native UI development for iOS, Android and Windows

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9 views

Xamarin app crashes on android when using CollectionView

im trying to use CollectionView (Horizontal Orientation) which gets the data as observable from firebase database its working perfectly on ios, but when im trying to run the application on android (...
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HttpClient timeout and CancelationToken don't work

I recently updated my visual studio from 2017 to 2019. I am using HttpClient implementation as Default. Everything wass working very well in vs2017. After i update my vs to 2019. Then when i am using ...
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monogame iOS show status bar / disable fullscreen

I am developing a game using monogame for iOS. I want to keep the status bar shown while in the game, but no matter what I try the game always launches full screen. Things I have tried: Unchecking '...
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Xamarin Form setter FontFamily reference custom font in same file theme

I am trying to reference a font in a style from my default theme. But I find myself with this error without finding a solution for the moment ... DefaultTheme.xaml <Style x:Key="EntryStyle" ...
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xamarin method no found GoToAsync

I am trying to open a viewpage, from a searchhandler using await Shell.Current.GoToAsync ("User"); already register the route in appshell Routing.RegisterRoute ("User", typeof (User)); but I still get ...
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xamarin, How to smoothly upload content to StackLayout

I have a large database and I need to organize searching accounts from my application. App is loaded data dynamically. NetworkBackgroundWorker is a class that send requeste to the server (with ...
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18 views

I want to check if a button is clicked using if..else in xamarin (C#) [duplicate]

I am learning Xamarin (which uses axml and C#) here is my code: using System; using Android.App; using Android.Content.PM; using Android.Runtime; using Android.Views; using Android.Widget; using ...
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7 views

port XIB file to mono project on macOS

My Coccoa objectivec project code: #import <Cocoa/Cocoa.h> @interface AppDelegate : NSObject < NSApplicationDelegate >{ } @property (weak) IBOutlet NSWindow *window; @end in Interface ...
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10 views

View a specific image from the complete gallery path without browsing

I'm trying: <Image Source="/storage/emulated/0/Pictures/Test/IMG_20200408_085036.jpg"/> No effect. File imageSpc = new File('/storage/emulated/0/Pictures/Test/IMG_20200408_085036.jpg'); var ...
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Protecting files - images, pdf etc with personally identifiable information (PII) in a Xamarin.Android app

We have an app meant for the healthcare domain which has a provision to upload prescription files or take snaps of test results via the camera. The files thus captured are stored in the external ...
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25 views

Can't add a new blank page in Xamarin

I have an already build Xamarin App but now I want to add the Sign Up / Login Page at the Start. When I open the App, first It open a Sign up Page. I add a Blank Page with Title "Welcome to App" and ...
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Move caret to start of placeholder when in center Entry Xamarin

I use text alignment in Entry. When I touch entry, the caret appears in the middle of the placeholder, which looks ugly. I want to move the caret to the start placeholder. And when i enter text in ...
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Automating Android / iOS Teleconference in Xamarin [closed]

I have a lot of experience building Xamarin.Forms apps. I've build mostly data-driven apps and have not really get into other phone-specific features like managing calls, etc... My plan is to build an ...
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1answer
28 views

mono does not port macOS cocoa 100% correctly

I try to use Visual Studio macOS to develop a macOS app using c# language. but I found that there so many bugs in mono for example: UITabView has property 'numberOfTabViewItems' '...

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