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BindableProperty only updating ViewModel property with default values
Hi, I have a binding issue in my Xamarin.Forms project with the following setup: One GenericPage superclass inheriting from ContentPage and containing a BindableProperty One Page class inheriting from...
View ArticleKeyboard overlap
Hello, I am using Shell with bottom tabs on one of the pages there is scrolling and entry, when the keyboard comes out, the bottom tabs also adjust, how to hide it? in android I use:...
View ArticleVS2019 iOS Simulator throwing fatal error message
This was working and not sure what I have broken but when I try to debug using iPhoneSimulator and the iOS Simulator in windows enviroment I am getting a error stating "A fatal error occurred while...
View ArticleHow to set Embedded font support for Native platforms?
Hi, I am working on embedded font in xamarin forms. I have implemented custom controls, one control is in Xamarin forms, where the embedded font support is working fine. Next custom control rendered in...
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Cannot access a disposed object...
Hello everyone. I'm having an issue where I am getting crashes at seemingly random intervals when navigating between pages, this seems to be exclusive to the Android build. First a a bit of background...
View ArticleXamarin forms i a getting this error after updating visual studio
Java.Lang.NoSuchMethodError: 'no non-static method "Landroidx/fragment/app/FragmentTransaction;.add(ILandroidx/fragment/app/Fragment;)Landroidx/fragment/app/FragmentTransaction;"'
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BoxView blur
Is there a possibility for me to make my BoxView blur the background image of my app? Thank you!
View ArticleAdmob - Test banner ad appear, but real banner ad doesn't appear on...
I developed my first app using the XamrinForms, I'm new to Admob, I used Test banner Ad and it worked well, but when using the real banner on a real device the ad doesn't appear, I searched about this...
View ArticleDynamically change the width of a textView in a custom ListView
Hello. In a Xamarin.Android project, I use a custom ListView that represents a table. I can dynamically change the background color of each cell like this: private void UpdateSpotListExemple1 (Color...
View ArticleValue cannot be null. Parameter name: type
Not sure what changed, but now when I build I get this error on every XAML file in my project. Has anyone ran into this issue before? Tried all of the usual fixes - del bin/obj, restart, clean rebuild,...
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In Release Mode i am geetin error XA2006
Hello fellows, since 5 days , i am trying to figure out the how to solve these problem, tried to update libraries , nuget package, etc. it just happens in RELEASE mode, in Debug mode, the APP runs Ok....
View ArticleRandom crash with SIGABRT
Hi! We get next random crashes from our users Crashed Thread: 30 Thread Pool Worker Exception Type: EXC_BAD_ACCESS (SIGABRT) Exception Codes: KERN_INVALID_ADDRESS at 0x0000000000000020 Exception Note:...
View Articlehow to delete an item in a ListView using SwipeView
Hi, this seems to be easy but not for everyone. I can delete the item using Command (the right way for MVVM) or using code behind. First, if I use code behind it is easy to display an alert message but...
View ArticleSetting a native UIBarButtonItem in Xamarin Forms
I am using Xamarin Forms and would like to set a native UIBarButtonItem in the iOS navigation bar. I've created a custom PageRenderer and overridden the ViewDidLoad() method to add a Done button on the...
View ArticleAndroid Camera WebView Image Upload ERR_FILE_NOT_FOUND
I am working on a simple app that views a webpage that has an area for a user to take pictures and upload them to the site. I found some examples that look like this public class CustomWebViewRenderer...
View Articletabs of tabbed pages have disappeared
Hi, I use tabbed page for a long time but they have dissapeared a while ago. I wonder if there is a link with default theme: I had to add a default theme to solve a checkbox issue...
View ArticleXamarin turn on WiFi Hot Spot/Access Point and gain network name & password
I have been searching for the ability to switch on/off a phone WiFi hot spot/access point via a mobile app on the iOS and Android platform based on Xamarin. I had a look at WiFimanager, but it only...
View Articleunable to open pdf file on android 10 using xamarin forms
I have a developed code to save and open a pdf file and used to work on all android devices. Recently I figured it is not working on android 10. Code to Save file: public async void SaveFile(byte[]...
View ArticleXamarin Forms Android. Google AdMob - Tests fine. Real Ads dont show.
Dear all, I am developing using Xamarin Forms Android. Test Google AdMob works fine. Real Ads dont show. My code is working fine with test AdMobs but not for live/real Ads. A couple of questions. I...
View ArticleIs there a way that the keypad doesn’t get disappeared while doing entry on...
While on a screen with the keypad open on a smartphone, when i click on something other than entry on that screen the keypad disappears, is there a way to fix this problem ?
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