There is a Dependency class in android that has these two functions
1. public void OnEvent(Java.Lang.Object obj, FirebaseFirestoreException error)
var docs = (QuerySnapshot)obj;
foreach (var doc...
I´m quite new to App programming. I want to write an App (with Xamarin Forms) where you are able to choose several Photos (or Files in general) out of the Galery, or take the Photo with the Camera.
This Photo should be attached inside the App-Page with only the Filename (it is not...
Hello everyone. I have a problem with my program, it uses Essentials: Accelerometer to count the number of slopes of the device.But the problem is that it sometimes does not work or sometimes it works but not stably when the phone is in the background or when the screen is locked.The program...