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Tutorial guiding the user on how to use the application
I would like to do a tutorial on how to use the application, add pointer, overlay and tooltip easily, guiding users on how to use their application. Using Xamarin Forms, there is some library that will...
View ArticleDoes anyone have a good example of Amazon In-App purchase code
I set up my code so that it first checks if the user can purchase (or has purchased) a non consumable from Amazon. If not, then the user must have used the Google store and the app then uses James...
View ArticleImage source http credentials
Hello, I'm building an internal application and I want to use authentication on an image source. The problem is that I need basic (or cookie login) on the UserPhotoUrl. This is the xaml of the page,...
View ArticleHow can I improve pull async performance in the Azure mobile services offline...
Hello, I implemented azure offline sync in my Xamarin.Forms app but I am having performance issues when downloading data. I checked the azure api and everything is responding well. I am downloading...
View ArticleOffline Login System....
Hi Folks, I am pretty new to Xamarin although have built one app that uses SQLite, it stores a hashed password which it uses for offline login. There are also web services calls which interact with our...
View ArticleHow To set a BorderOutLine Color for ImageEntry (Validation part) Xamarin forms
Hi, How To set a BorderOutline color for ImageEntry in Xamarin forms. let me Know If Any possiblities there. Thanks!
View ArticleXamarin Forms - point to label which became visible
Hello All, Is there a feature in Xamarin Forms which will point to (scroll up) to a label which became visible after validation? What I am trying to do is: if required field is blank I display label...
View ArticleMultiple contentpage in single page.
How to render multiple content page in single page in xamarin forms?
View ArticleBottom navigationbar + MasterPage
Hello I want bottom navigation bar having for button or tab in master detail page and also want Hamburg menu in master page, but whenever I select Hamburger menu item, bottom navigation bar overrides...
View ArticleSplash screen Backgrounding and UI navigation
Good Day i have the following scenario in Xamarin Forms. My Splash screen loads data from a web service in the background. Currently i Kick that off with Task.Run(async () => await GetData()); this...
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Xamarin Forms Crashing System.Reflection.TargetInvocationException
Hello, I'm currently having an issue while launching a xamarin forms app which constantly crashes with this error: FATAL UNHANDLED EXCEPTION: System.Reflection.TargetInvocationException: Exception has...
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The Application is In Break Mode
Hello i m getting an output, but its comes as White Screen.Below i added screen shots. After the Application build and execute in my mobile white screen appears and in my IDE it showing "The...
View ArticleXamarin.Forms and Google authentication with .NetStandard 2.0
Is it possible to authenticate users in Xamarin.Forms app using Google Login with .NetStandard 2.0. I tried to use this sample: https://github.com/DanielCauser/SocialLoginSamples But it works only as a...
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Could not load assembly java.interop in xamarin
I am tired of getting this error frequently. After installing "Xamarin.Forms.Maps" from nuget, getting this error message : "could not load assembly java.interop". After searching for quite a while, I...
View ArticleExtend Label control - adding a Click event handler
I need a control that can respond to both single click / tap and double click / tap. I found out I cannot use TapGestureRecognizer if I want to handle both single and double clicks / taps. So, I am...
View ArticleCan't call WCF methods in Xamarin.Forms (Cross-Platform)
Hi, I just create a simple WCF project with default values (without change even a single line of code), i publish it in web, Consume it in EXE application and it work fine, Cosume it in asp.net webform...
View ArticleNavigation from Viewmodel
I have done Binding view and viewmodel. View is Loginpage.xaml and viewmodel is LoginViewModel if my login response is Success,I want to insert my mainpage.xaml before loginpage.xaml and pop my...
View ArticleHow to close context action via code in xamarin forms
I have created an app in xamarin forms, where I have used Context Actions in a list view item template's ViewCell as: <ViewCell.ContextActions> <MenuItem Clicked="OnActiveJourneyEdit"...
View ArticleHow to update to Xamarin.Forms (3.1) in Visual Studio 2017
Can anyone show me how to update to Xamarin.Forms (3.1) ?
View ArticleBehavior BindableProperty not update
Hi! I created a SetStateBehavior for new feature - VisualStateManager. I set binding beetwen Behavior and ViewModel, but BindableProperty in my Behavior does't update. I checked, and if i setting...
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