AbsoluteLayout not working as expected
Hi Folks, I have some very weird placement of controls with absoluteLayout. The whole thing looks buggy to me actually. Instead of giving an example from my own code, please see this page:...
View ArticleListView Scrolled Events
Summary Provide a ListView Scrolled event identical to the ScrollView. This will allow apps to apply animations like parallax on the ListView Header for example. API Changes e.g. In order to facilitate...
View ArticleXamarin Forms ListView swipe action issues on iOS
Greeting, I am using ContextActions & MenuItem for swipe functionality on listview cell. I have requirement to set backgroundImage or background colour to menu item. There is not such kind of...
View ArticleXamarin form :How to connect bluetooth printer and print reciept
i am recieving json data in my app. I need to know how i can connect mobile from app with bluetooth printer and print json data ?
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TabbedPage icons not shown when set position to bottom
Hello All, I am a beginner in Xamarin and trying to use TabbedPage for my application. When I used TabbedPage and set the icons, it works fine. Then I set the TabbedPage position to bottom. However,...
View ArticleImageButton in 3.5 - Why is button different size than image?
Looks like the button is wider and slightly shorter than the image. Is it supposed to be that way? How can I make them the same size so that when I set the border color it surrounds the image flush?...
View ArticleXamarin.Forms.iOS app crashes in Main.cs Value cannot be null. Parameter...
Hi, I have an app which is used for shopping. When users clear the shopping cart (which is linked to an ObservableCollection), the colour of the label changes in the ViewModel. It works perfectly fine,...
View ArticleListView binding to ObservableCollection does not update GUI
Hi Can anyone tell me why this simple code is not working as expected? Does the ListView control not listen for changes in the bound property? Expected: when I click the Add button, the GUI (ListView)...
View ArticleResponsive styling in Xamarin.Forms
Hi, I'm looking for a way to make my XF app responsive. It would be nice if I could just use some BootstrapCSS alike system so that on a small screen all elements are positioned below one another and...
View Articleclient.PostAsync("Url", null) Gets 401 unauthorized error REST API
I am developing a cross mobile app using Xamarin and I am trying to post some items to a SharePoint List. I have created a windows form app just to test the SharePoint Rest API and it is working good,...
View ArticleHow to add Tutorial screens the first time I open the app after downloading?
As a user I want to see the tutorial screens the first time I open the app after downloading it.Can any one tell me that how to achieve this in xamarin forms application. It's just like a facebook when...
View ArticleHow access to instance of Dynamics 365 ??
Hello!! I am developing an APP with Xamarin.Forms, and I need to access the data hosted on my Dynamics 365 platform.. In the developer resources section, Microsoft offers me a URL for access: https:...
View ArticleHow to avoid showing keyboard when focusing EntryCell
Hi, I have a Xamarin.forms project, I have a page with an EntryCell control, I want to avoid showing the keyboard when the EntryCell gets the focus since it is for scanning barcode labels, how can I...
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Where do I submit MacOS bugs for Xamarin Forms?
The default Xamarin Forms Master-Detail template, when hooked up to a MacOS head project, has some of the top clipped from both the Master page and the Detail page, vis-a-vis: Where do I submit the...
View ArticleHow to troube shoot SIGSEGV/tgkill crashes (XF Android)
Is there any way to troubleshoot these SIGSEGV and tgkill crashes? Below are two examples: signal 11 (SIGSEGV), code 2 (SEGV_ACCERR) Jun 30, 3:52 AM on app version 207 Samsung Galaxy S8 (dreamlte),...
View ArticleXamarin Forms MessagingCenter Subscribe called two times
I'm clicking on a product item in listview in product page viewmodel to show a popup(using rg.plugin popup) for selecting one of the product variants.After selecting variant,i am sending the selected...
View ArticleHow to save a QR code created with ZXing on device gallery folder like image?
Hi, I have created an QR code with next code and show correctly in my app but I need to export it like an image on the gallery folder device. I don't know how to do it. barcode = new...
View ArticleEntry cell loses focus on button press in android but not iOS , work around?
I have some code in iOS where I have buttons that act like a calculator keyboard when pressed on it fills a entry field that is focused. Works great for iOS but on android the button press even causes...
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ListView text gets cut when I scroll back up
Is any one else facing this problem? The text looks okay at first. But if I scroll down few items and then go back up, label text of many items gets cut in the middle. I tried using ImageCell but the...
View ArticleAndroid Auto & iOS Car Play
Is it possible to develop c# Xamarin forms application for android auto and iOS car play. I would like to integrate this into our existing Xamarin forms apps. I believe in the incoming iOS 12 that...
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