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I'm having a timer in the oncreate() like: final Timer timer1 = new Timer(); timer1.schedule(ne… Read more Fatal Exception: Timer-0 Java.lang.nullpointerexception

I have a handler that I am using as follows: handler.postDelayed(Play, 1000); when my application … Read more Android, Pausing And Resuming Handler Callbacks

I created a class extending Thread to retrieve user location through LocationManager in a non-ui th… Read more How To Manage Loopers And Threads (thread Doesn't Die Anymore!)

I have a thread that sends GPS coordinates to a database every six seconds and I have a check that … Read more Alert Dialog From Thread - Android

Given this code: public class MainActivity extends FragmentActivity implements ActionBar.TabListene… Read more Android: Calling Non-static Methods From A Static Handler Class

I have created an expandable list in my Android application using the SimpleExpandableListAdapter t… Read more How To Handle Android Simpleexpandablelistadapter Entry Selection

This is the code in ActivityThread.main(): public static void main(String[] args) { ..… Read more Why Does Looper.loop() Not Block The Ui Thread

In my application i'm trying to download PDF file from server and storing it in SD card, but wh… Read more Got Error When Try To Download Pdf File

Situation: activity binds to started foreground service. service hands out local binder to activit… Read more Getting A Handler From A Thread From Service To Activity

i'm working on android application which have communication with Bluetooth BLE device (with cus… Read more Handler Post Execute Queue Not In Correct Order

Where can I find detailed explanation of threads like timer, async task, handler, looper etc in and… Read more What Are Looper, Handler And Other Terms Related To Android Threads? How Are These Classes Related?

I honestly can't figure it out - I've heard that thread.stop() is not a good thing to use. … Read more How To Stop Threads And Handlers In Android

My question is Android related: How do I run a task every 20 seconds within an intentservice ? Prob… Read more Android - How To Run A Task Via "handler" Periodically Within A Service-intent (worker-thread)

I am coding an application where a remote service has to run at all time and to perform these taks … Read more How To Initialize Handlers From Separated Threads?

Previously this code worked perfect. Now its is showing android.os.handler is deprecated. private f… Read more How To Handle Deprecated Handler In Android