Android “Only the original thread that created a view hierarchy can touch its views.”

Question

I\'ve built a simple music player in Android. The view for each song contains a SeekBar, implemented like this:

public class Song extends Activity implement         


        

Answer 1

Kotlin coroutines can make your code more concise and readable like this:

MainScope().launch {
    withContext(Dispatchers.Default) {
        //TODO("Background processing...")
    }
    TODO("Update UI here!")
}

Or vice versa:

GlobalScope.launch {
    //TODO("Background processing...")
    withContext(Dispatchers.Main) {
        // TODO("Update UI here!")
    }
    TODO("Continue background processing...")
}