In android , Handler can be used to post / handle message, if I don't use a HandlerThread (pass its Looper to Handler), does that mean in this case Handler use MainThread (UI Thread) 's Looper ? ...

I've been wondering about whether it is a better approach to use a Handler (Looper.getMainLooper()) or launch a new Coroutine Job to do small things on the Main Thread, like updating a View. Handle...

This bug baffled me for hours. I am getting the NullPointerException. The problem is this error is not consistent. It happens when I launch the app, but only occasionally. So I am not sure what is ...

I get this warning message and since I see this message I also started to see the Google Play Services isnt responding popup and it closes my application after some time. I have review similar ques...

I would like to ask someone to explain me please, what are the main differences between HandlerThread and IntentService, and what are the main use-case scenarios? I understand that HandlerThread c...

I am an iOS developer who just recently tried Android development. In iOS I use Completion Handlers in my codes. I am wondering if there is an equivalent of it in Android development? Thank you...

I want to set up a HandlerThread from the GUI thread. Then some time later, when a button is clicked on the GUI, it runs callHello(), which then send a message to a HelloLogger object residing on t...