We are seeing this ANR in different parts of our app. Wanted to understand what causes this ANR? main (native): tid=1 systid=31940 #00 pc 0x5431c libc.so #01 pc 0x1313a5 libart.so #02 pc 0x2ab05b...

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...

I am new to Android. I want to know what the Looper class does and also how to use it. I have read the Android Looper class documentation but I am unable to completely understand it. I have seen it...

I've created an image upload AsyncTask based on a function. And after uploading, I get this error on onPostExecute(). I read up some StackOverflow answers on Runnable yet I kept getting the error o...

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 ...

TrendingViewModelTest @RunWith(JUnit4::class) class TrendingViewModelTest { private lateinit var trendingRepository: TrendingRepository private lateinit var trendingViewModel: TrendingViewModel...

I cannot make liveData.postValue working in while trying to make unit test. I have been checking in google for a solution and this is the code I have now. public class ProjectListViewModelTest { ...

I used to use FusedLocationApi until I learned that it is deprecated (see references below). It was simple to implement. As the documentation says you need to use it in conjunction with GoogleApiCl...

I'm using WorkManager to sync data from my local Room database to server. The issue is that Room gives error to build database in Loop.MainLooper() and when i use it as following it works fine. But...

I'm trying to wrap my head around threading, and I know that I may use a Handler to post messages/runnables to the MessageQueue, which in turn gets picked up by the Looper and sent back to the Hand...

I wanted to know if there is a possibility that we could handle/detect runnable callbacks with delay (postDelayed method) on android? For example, I have one or several splashscreen (which runs wi...

Just clarifying but in an Android activity on MAIN Thread if I call Looper.myLooper() vs Looper.getMainLooper() the return the same reference, right? they are the same thing? I know I would never h...

I am aware that the recommended way of doing background-like tasks in Android is to start a worker thread of some kind, but I'm wondering if there is a simpler alternative available when the backgr...

I have used some Handlers like new Handler(Looper.getMainLooper()).post(new Runnable() { @Override public void run() { try{ Messages.onAcknowledgeReceived(); }catch(Exception e){ e.print...

I'm having an issue in trying to run a PhoneStateListener on* callback methods in a backround thread. Here's what I did so far: First, I wrote my PhoneStateListener implementation. Something on th...

I am developing an android application and I am using a service that tracks location via GPS every 10 minutes. But when I put the location listener in a timer task, it throws an exception: Canno...