Is it possible to gain the number of elements in an ObservableCollection...
I have a series of pages that are using an inventory that is an ObservableCollection<myType>() but there are multiple instances with different myTypes. I want to make a converter that is going to...
View ArticleIs there an easy method to protect API keys? using Secrets.Json? etc?
I am signing the binary which should be encrypting it, but I would like to make sure my keys are not exposed. Hey everyone, I was curious if anyone has a way to implement a secret API key or Private...
View ArticleAccessing Resouces.resx strings within XAML forms?
I'm sure there has to be some simple thing I'm overlooking, but I want to try to access a string directly from the resx file in my forms project. In the codebehind, this is super easy, but when...
View ArticleNullReferenceException 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...
View Articletwo columns in one list view
I want to see two columns in one listview . (something like grid but grid is not scrollable) . I need this because I want list view item scrollable.
View ArticleCWKeychainFindWiFiPassword API
I am developing an application that is used to add an external device to my Mac's current WIFI. Using Xcode i can able to get the wifi password using CWKeychainFindWiFiPassword, but when i checked in...
View ArticleHow to access a data Which I entered at a Entry tab on other page?
I am a beginner . I want to to get a data from page1.xaml and access this data at other .xaml pages like page3.xaml and page 5.xaml. Here the data I get in 'X:Name= "EntryText1"' will automatically...
View ArticleHow to slowdown sensor speed? (gyroscope, accelerometer..)
Hi, I am working on my own inactivity monitor and I am using now gyroscope sensor to get data. My code: public void StartGyroscope() { SensorSpeed speed = SensorSpeed.Default;...
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Problem with Custom Render Frame on Arkit
Hi all, i have a problem in public override void DidUpdateFrame(ARSession session, ARFrame frame) method. My goal is to draw grid over the frame that arkit give me. my code: public override void...
View ArticleHow to access a data Which I entered at a Entry tab on other page?
I am a beginner . I want to to get a data from page1.xaml and access this data at other .xaml pages like page3.xaml and page 5.xaml. Here the data I get in 'X:Name= "EntryText1"' will automatically...
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Xamarin.Essentials Web Authenticator
Why i get exception "You must subclass the WebAuthenticatorCallbackActivity and create an IntentFilter for it which matches your callbackUrl." when set urn:ietf:wg:oauth:2.0:oob in DataScheme? My...
View ArticleAndroid app Crash from exception Java.Lang.IllegalStateException: Unbalanced...
Hello, I've built a rather big project in Xamarin android and I get a crash with this exception while connected on a specific Wifi network. I use ReactiveExtensions (RX.Net) on the project, and...
View ArticleOpenUrlContexts in SceneDelegate not called when URL clicked on
I have a deep link registered, and where iOS is 13 or greater, although clicking on the link opens the app, the OpenUrlContexts override does not fire, hence I am unable to filter then navigate, based...
View ArticleHow to get child element access of collection view without using mvvm in...
this is my code: <StackLayout HeightRequest="40" VerticalOptions="FillAndExpand" WidthRequest="40"> <Label FontSize="16" HorizontalOptions="Center" Text="+" TextColor="Black"...
View ArticleHow to Integrate the Route Planning Strategies in Uber Clone App?
How to bring the services close to the customer’s expectations by incorporating the route planning strategies in uber clone app development?
View ArticleIViewModelStoreOwner not implimented in AppCompatActivity
I'm a bit lost, I am trying to implement the ViewModelProvider in Xamarin.Android but it seems like IViewModelStoreOwner is not implemented by AppCompatActivity C# Code ``` var androidViewModelFactory...
View ArticleDisable Navigation Bar/Enable InteractivePopGestureRecognizer causes...
Here is exactly what is happening to me... https://github.com/wix/react-native-navigation/issues/428#issuecomment-260427414 Basically, I have a MasterDetail page and the Detail page is a listview. When...
View ArticleGetting a property value from my ContentView in my ContentPage
I have a ContentPage which contains a CarouselView, this CarouselView has a DataTemplate containing a _ContentView _with another (inner) CarouselView. I am trying to achieve the following: When the...
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How to control image with biding Data?
Hello? Nice to meet all. Now I start learn to xamarin. about 1 week. I wanna control image. (on.png and Off.png) with Biding Data. mySQL biding Item is SOL, SSR, DIO, RLY. and Value (0x00 ~ 0xFF) C#...
View ArticlePageRenderer which adds SwipeBack Functionality on iOS not working properly.
Hey everyone! I got a problem with my custom page renderer which adds the SwipeBack Functionality on all Pages. I need this because the NavigationBar on the respective Pages is disabled but I want to...
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