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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