ViewPager programmatically scrolling

Question

I have a simple ViewPager. Is there any possibilities programmatically scroll it every five seconds with usual animation?

Jon Willis · Accepted Answer · 2013-10-29 17:48:04Z

34

Take a look at ViewPager.setCurrentItem(int) and combine it with a TimerTask or a Handler.

Example:

final ViewPager viewPager = ...; final Handler h = new Handler(Looper.getMainLooper()); final Runnable r = new Runnable() { public void run() { viewPager.setCurrentItem(0, true); h.postDelayed(r, 5000); } }; h.postDelayed(r, 5000);

Be sure to cancel the runnable when appropriate.

edited Oct 29, 2013 at 17:48

answered May 15, 2012 at 14:25

Jon Willis

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6 Comments

Geralt_Encore Over a year ago

Thanks! I did't think, that it is so easy. Only one correction: you should call ViewPager.setCurrentItem(int, boolean)

Jon Willis Over a year ago

Updated answer with code. Be sure you understand what is going on, it is easy to leak things.

Yousef Zakher Over a year ago

you must change h.postDelayed(r, 5000); to h.postDelayed(this, 5000);

Osiriz Over a year ago

In the line h.postDelayed(r, 5000); in the method run() is "r" not accessible. You could change it to h.postDelayed(this, 5000);, because it's a method in your runnable (which you want to access).

Sarath Sadasivan Pillai Over a year ago

This is not working for me am using VerticalPageViewer

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