NullReferenceException on Grid.CalculateAutoCells [Only XF iOS]
Hi, I'm developing an app with Xamarin Forms from 7 months. My app worked very well. I have done 1 month on Android side, because I fixed some bugs and added some features. Today I have ported these...
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Authentication and security
Hi, I have a Xamarin App, I can login with Facebook auth, but I also wish to add email+password authentication. Here is how it work now 1 - Login is based on Facebook, I receive a "token" back, and...
View ArticleHow to do a simple DataBind
Hi, I would like to bind an object with its properties to a StackLayout inside my ContentPage. So basically I have an object with two properties Name and Lastname that is a class property inside my...
View ArticleLabel and \n
Hi, For a Label, Text="A\nB" doesn' t display A on a line and B on a new line but "A\nB". How come? the doc says to use \n for new lines so I'm lost. Tks. François
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Button Circle works fine on APi 27 but not the same as api 22
HI , I'm using Plugins.Forms.ButtonCircle to create a Pin Page , after creating the view , it was working fine on api 27 , but when i grabbed my friend 5.1 android phone , it showed me something...
View ArticleCheckbox with Xamarin.Forms
Hi everyone, I have been using Checkbox from Xlabs for a long time but I'm having trouble with it, since I can't change the color of the checked box. The problem is that this color is almost the same...
View ArticleLoginPage with FreshMVVM ?
Hello, what is the best way to implement a Login page with FreshMVVM ? Any sample or suggestion ? Thank you Marco
View ArticleHow to create tables with borders?
How do you create tables with borders in Xamarin.Forms. For me it's kinda funny that Xamarin.Forms has Grid control but you CANNOT define borders for this grid. Maybe there are some plugins which have...
View ArticleSetting up string format based on if statement.
Is it possible to setup string format inside of a view model based on if statement? Example: public decimal DiscOff { private set { } get { if(offer.DiscAmountOff != 0) { return offer.DiscAmountOff; }...
View ArticleCrossMedia works in Debug but not in Release for UWP - error msg about...
Below is a snippet of my code. Each of the Debug.WriteLine output that starts with a "->" is to indicate the echoing of what code is about to be run. That is followed by an error message that the...
View ArticleOpening pdf on android device error: file exposed beyond app through...
In my application I download the pdf from an API and store the file on the local file system. Then I try to open the pdf file with the built in viewer of the user. The next message appear: *.pdf file...
View ArticleNavigation in Maps possible in XF?
Hi, I want to create a mobile app using Xamarin.Forms, is it possible to set map navigation in it. Live example is UBER. Once we set pickup and destination it will navigate us to the destination. I...
View Articleimplement swager with xamarin forms
how i could generate api call and models automaticcly from swager with xamarin forms . the api is oauth 2 with java backend if thereis any plugins / tutorial for handling it in xamarin will be great
View ArticleXamarin Live Player vs Gorilla Player
Can someone tell me what is better at the current moment? Xamarin Live Player is official, but still in development. Gorilla player seems more stable. Did you test them both so you can tell me the...
View ArticleHandling "OnStop" Cleanup On iOS and Cross-Platform
I have a audio player (Cross Media Manager) that displays in the Status/Notification Bar anytime audio is played. But if you close the app mid-play of an audio file, the status/notification item...
View ArticleFlexLayout Improvements
I was hoping to use the new FlexLayout control to display data in a flowing grid (left to right and then down). The new control seems interesting but is missing some basic features and I was wondering...
View Articlejava.lang.IllegalArgumentException
Hello Guys, I have an app built on Xamarin form cross-platform. Currently, Andriod build has a crash. At this moment it happens only on Samsung Galaxy S5 (kltevzw), Android 5.0 I can regenerate it and...
View ArticleSample Animation project is not working in specific android device
Hello, I'm making iOS & Android App using Xamarin forms. mostly my app is working iOS & Android devices. And my test phones are Galaxy S9, S6, Shaomi Mi X6. S6 and Mi X6 is working. but In...
View ArticleHow can use mysql database of php site to xamarin app
Hi I want to use mysql from the site to app. How can i do it? Is it difficult? I dont know any about php and mysql.
View ArticleCan not Build AdHoc or AppStore version
Hi, I have a problem when I try to build an AdHoc or AppStore version of my iOS App. The Simulator works with no problem. I use the latest version of Visual Studio 2017 and I connect to a Mac (High...
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