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How to cancel handler.postDelayed?

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android

What if I have handler.postDelayed thread already under execution and I need to cancel it?

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Eugene Avatar asked Sep 13 '11 19:09

Eugene


People also ask

How do I cancel postDelayed handler Android?

removecallback and handler = null; to cancel out the handle just to keep the code clean and make sure everything will be removed.

How do you stop handler threads?

postDelayed(new Runnable() { @Override public void run() { Intent i = new Intent(MapsActivity. this,MapsActivity. class); startActivity(i); finish(); } }, TIME_OUT); Then you can use Handler#removeCallbacksAndMessages to remove this or any callback.

How do I remove runnable from Handler?

Just use the removeCallbacks(Runnable r) method.

What is new handler () postDelayed?

postDelayed(Runnable r, Object token, long delayMillis) Causes the Runnable r to be added to the message queue, to be run after the specified amount of time elapses. final void. removeCallbacks(Runnable r) Remove any pending posts of Runnable r that are in the message queue.


1 Answers

I do this to cancel postDelays, per the Android: removeCallbacks removes any pending posts of Runnable r that are in the message queue.

handler.removeCallbacks(runnableRunner); 

or use to remove all messages and callbacks

handler.removeCallbacksAndMessages(null); 
like image 106
JPM Avatar answered Oct 18 '22 13:10

JPM