xamarin android print on a bluetooth POS printer
how to design and print an invoice on a POS printer using android. I currently managed to print a simple text using: BluetoothSocket socket; Stream outsream= socket.OutStream;...
View ArticleBuildingproblem after update to IOS 11
Hi I have updated my system to IOS 11. Visualstidio for Windows with all newest xamarin updates, Mac os Sierra is up to date and Xcode is the newest Version. My Problem: -Building on Real Device work...
View ArticleAutofac Library Master Detail crash with Invalid Cast Exception
I am using Autofac and able to navigate with viewmodel based approach for initial screens. At certain point say (Login), I need to show master detail screen. I have added below code to reset MainPage...
View ArticleListView template with grid problem
Hi, I am trying to create a list view template to show data in a grid with 3 columns and 6 rows. I use the below XAML code but all I get is the first row (spanned over the 3 columns which is correct)...
View ArticleCan't get HockeyApp working on iOS
Hi, I try to use HockeyApp on a iOS project. It's working fine on android, but I can't get it working on iOS. Here's my AppDelegate code for HockeyApp: var manager =...
View ArticleCan i connect a physical device to a mac agent remotely or through windows?
I am trying to develop a xamarin.IOS app using visual studio on windows and i have a mac on network which i am using as a mac agent to build the app but when i deploy the app on to a physcial device it...
View ArticlePreventing Popovers from going full screen for iPhone?
I am porting a UI built initially in XCode and can't find a Xamarin way of doing the same thing. The default behavior for "Present as Popover" segues in iOS is to show the popover on iPads and show...
View ArticlePopover or Dropdown for iphone/ipad
Hello guys, I've serached but i'm unable to find something in Xamarin.ios. I want to implement a popover/dropdown kind of thing for my app for iphone and ipad,If any one has done or know about this,Can...
View ArticleHow to make a VPN connection with Xamarin.Android?
I am trying to develop an application with a connection to VPN but I did not find much on the internet. I really need help at this. I only know that I have to use VpnService library, the problem is I...
View ArticleXamarin iOS App is very slow after Xcode and Xamarin Studio update
Hi, Before I update the xamarin studio, i am not facing app freeze issue. I updated Xcode and Xamarin Studio to 6.3 (build 15), after which the iOS apps loading slow. The application is freeze after...
View ArticleClik here to view.
After iOS11 Visual Studio for Mac doesn't work
Today I updated Visual Studio for Mac with the new version for iOS 11 and my mac. After that Visual Studio is not usable anymore. I can open it but if I try to open a solution or create one, it's stuck...
View ArticleAzure Event Hub - MultipleConnectAsync AsyncFail
Hi I have a Xamarin.Forms-application that will push JSON-strings to an Azure Event-Hub. The code to push these strings is located in the platform-specific projects and is working fine in Android (the...
View ArticleAndroid ViewPager with bitmaps causing memory leak
I implemented an activity in my Android project, to allow the user to flip through images by swiping left and right. I would have used Forms' CarouselPage, but I wanted the ability to pan/zoom the...
View ArticleDelegatingHandler using the default HttpMessageHandler
Is there any way to implement a https://msdn.microsoft.com/en-us/library/system.net.http.delegatinghandler(v=vs.118).aspx which uses the default HttpMessageHandler? I mean when implementing a...
View ArticleiOS 11.0 Simulators missing
Updated two different MAC's to Xcode 9.0 this morning and none of the new simulators are visible in preferences on either machine. Tried the below to add them and no iOS 11.0 simulators available....
View ArticleTest Cloud Downtime on 09/19 due to Power Outage
Due to a full power outage in our lab which began at 09/19 10:37am PDT, custom tests are currently blocked from running. When power is restored we'll rerun the tests that were executing at the time of...
View ArticleSystem.Net.Sockets.MultipleConnectAsync.AsyncFail(Exception e)
I have had both the iOS and Android apps in their respective app stores working fine without crashes. Now all of a sudden the Droid app is no longer connecting to SuperSocket.net. I am using the...
View ArticleLatest Xamarin Version and prerequisites
Hi, i have not been enhancing my app for a while, however with the release of iOS 11, am force to make it 64 bit. My business license is expired now and I am happy to renew it .What is the Xamarin...
View ArticleHow do I use C# 7 in Visual Studio for MAC?
I am getting errors for language features I used in Visual Studio 2017. Error CS1644: Feature `declaration expression' cannot be used because it is not part of the C# 6.0 language specification...
View ArticleCrash on release of object on High Sierra
Hi all, I've only been able to reproduce it on the ClassicAPI, so I'm not getting my hopes high on this one. But I'm getting that weird crash (while easy to reproduce, I can't yet pinpoint what could...
View Article