Delay hiding and showing ActionBar?

Question

I want to hide the action bar when an activity is started and when the user touches the screen show it for a few seconds, then hide it again.

What I have come up with is just below, but I want to know if there is anything better I could have done (ignoring some style issues: magic numbers, duplication of logic,etc).

And I am using actionbarsherlock.

Thanks

 Runnable hideActionbarRunnable = new Runnable() { @Override public void run() { ActionBar bar = getSupportActionBar(); bar.hide(); } }; Runnable showActionbarRunnable = new Runnable() { @Override public void run() { ActionBar bar = getSupportActionBar(); bar.show(); } }; Runnable animateActionBarHide = new Runnable() { @Override public void run() { handler.postDelayed(hideActionbarRunnable,3000); } }; Runnable animateActionBarShow = new Runnable() { @Override public void run() { handler.post(showActionbarRunnable); handler.postDelayed(hideActionbarRunnable,3000); } }; @Override protected void onResume() { super.onResume(); Log.i(MainActivity.TAG,"CameraActivity: onResume called"); Thread t = new Thread(animateActionBarHide); t.start(); } @Override public boolean onTouchEvent(MotionEvent event) { ActionBar bar = getSupportActionBar(); if(event.getAction() == MotionEvent.ACTION_DOWN) { Thread t = new Thread(animateActionBarShow); t.start(); } else { Thread t = new Thread(animateActionBarHide); t.start(); } return super.onTouchEvent(event); }

Torben Kohlmeier · Accepted Answer · 2013-05-31 21:22:46Z

3

The Handler class has a method postDelayed(Runnable r, long delayMillis). That would make it much shorter and much more elegant.

answered May 31, 2013 at 21:22

Torben Kohlmeier

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