FirebaseInstanceId INVALID_PARAMETERS
D/FirebaseInstanceId(10225): background sync failed: INVALID_PARAMETERS, retry in 20s I have been trying to implement notifications, first directly through Firebase, then through VS App Center, in both...
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Animation in Xamarin Forms ListView
I have one requirement where I need to create a vertical List with Once Box in Center. Once Users scrolls the list, the element which enters the box should show animation like growing Font while...
View ArticleNEHotspotConfiguration‘s JoinOnce not behaving as expected
After playing around with the NetworkExtension in order to get my app connected to a WiFI AP, I found out something that really bothers me. Although I have set the JoinOnce property as „true“, after I...
View ArticleGet position of an element inside scrollview
Hi, all I am trying to achieve an event trigger when a certain element is in center of screen while scrolling from left to right or right to left, I tried scrollview but could not find any solution,...
View ArticleChanging the Master Detail Page's Master Behaviour at Runitme
I'm currently working on a project that requires me to change the Master Detail Page's Master Behaviour from Split to Popover and Popover to Split at different points in the app. When I try to do this...
View Article[Android]How to propagate gestures to parent of children with gestures
I have a parent view with a swipe gesture on it. I have a child grid within that containing two buttons with commands. I noticed that the swipe gesture the parent has wont trigger when swiping on this...
View ArticleThree ways to bind a XAML ListView - how to refresh, which is the best?
I have seen three ways to bind a ListView, what is the good way, how to get the ListView refreshed? 1. non static: XAML: <ContentPage.BindingContext> <viewModels:PositionsViewModel/>...
View ArticleHow to debug Java.Lang.NoClassDefFoundError
Hi, I am getting: Unhandled Exception: Java.Lang.NoClassDefFoundError: occurred I added too many breakpoints but the app is not reaching there. I added a break point in the first line in App.xaml.cs:...
View ArticleSQLite alternatives
Hi everyone! Currently in our project(Android\WinPhone) we use SQLite (SQLite Async PCL Extensions). Today we are working on the optimization of our performance. Is SQLite a good db for using in...
View ArticleCannot Create and Run Even Basic Xamarin Forms Android App.
Using VS 2019 Ver 16.0.3 just updated today. Created a Blank Xamarin Forms App for Android. App will not build! Getting this verbose error. Severity Code Description Project File Line Suppression State...
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how to set Firebase cloud messaging when clicked should go directly to page 2?
how to set Firebase cloud messaging when clicked should go directly to page 2?
View ArticleXamarin form : Cannot access a disposed object :...
I have a list view contains image (FF Image Loading) and some labels. When i run my app it crashes meanwhile i've been using caching strategy : "RecycleElement" on list to prevent crash but it throws...
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xamrin.ios System.InvalidOperationException: Page must not already have a...
hello, I have a tabbed page with 5 pages. In one of the page, I have listview. I want to open tabbed page from lisview click. It works like this. User clicks on listview item, respective data is...
View ArticleBackground Image shows on Emulator and Real Device Andriod 9.0 but does not...
I have a xaml page where I set Background Image to some Image and it works good on Emulator(API 27) and Android 9.0 real device. When I deploy the same app to another device (Android 8.1 and 7.0), the...
View ArticleAuto Suggest Entry in Xamarin Forms
I am trying to create a AutoComplete Text Entry using Xamarin Forms. I was able to accomplish the functionality using dotmorten.xamarin.forms.autosuggestbox. The issue that I am facing is I am unable...
View ArticleMotion event in Xamarin Forms
Hi all, I have a Page with 2 buttons, buttonA & buttonB. When I tap the screen then drag at any point of the Page. If my finger touched any button then I will write out ButtonXXX is hovered....
View Articlexamarin.forms ios store submission issue with vs2019 on windows 10
Hi With VS2017 we were able to submit our application to the store, we have now upgraded to vs2019 and i get the following error Non-public API usage - The app references non-public selectors in...
View ArticleCould not locate the assembly “Mono.Android”
/Library/Frameworks/Mono.framework/Versions/5.16.0/lib/mono/msbuild/15.0/bin/Microsoft.Common.CurrentVersion.targets(5,5): Warning MSB3245: Could not resolve this reference. Could not locate the...
View ArticleUser accept and decline
hey guys im new to xamarin and i wanted to know how to integrate friend request, the user must accept or decline the request
View ArticleAnything similar to OnPlatform but for a specific device such as iPhone SE?
Is there a way, in XAML, to modify a StackLayout, for example, based on the device? For example I want my StackLayout to have extra spacing when it's on a Plus device (6 plus, 7 plus, 8 plus, XS Max)...
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