Android ViewPager IllegalStateException: Can not perform this action after onSaveInstanceState

Question

I am using a ViewPager from the compatibility library. I get this exception quite often from the market reports.

java.lang.IllegalStateException: Can not perform this action after onSaveInstanceState
at android.support.v4.app.FragmentManagerImpl.checkStateLoss(FragmentManager.java:1242)
at android.support.v4.app.FragmentManagerImpl.enqueueAction(FragmentManager.java:1253)
at android.support.v4.app.BackStackRecord.commitInternal(BackStackRecord.java:535)
at android.support.v4.app.BackStackRecord.commit(BackStackRecord.java:519)

Any ideas what might cause it?

See this blog post for more information about why this exception is thrown. — Alex Lockwood
– Alex Lockwood, Commented Aug 20, 2013 at 22:34

Alex Lockwood · Accepted Answer · 2013-08-20 22:36:03Z

8

Try commitAllowingStateLoss() instead of commit(). Read the documentation here.

Got answer from here.

edited Aug 20, 2013 at 22:36

Alex Lockwood

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answered Jun 28, 2012 at 12:54

parul

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2 Comments

Alex Lockwood Over a year ago

-1, this is not a good solution to this problem. All commitAllowingStateLoss() does is avoid the exception and allows the state loss to occur.

1lb3r Over a year ago

commitAllowingStateLoss it not a solution. Maybe it will work this time, but you can have problems to view a fragment sometimes.

Nikolay Elenkov · Accepted Answer · 2011-09-07 03:23:40Z

4

You are probably calling FragmentTransaction.commit() in the wrong place. It needs to be called before state is saved.

answered Sep 7, 2011 at 3:23

Nikolay Elenkov

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4 Comments

Erdal Over a year ago

yes that is true, but the hard thing is figuring out where :)

lujop Over a year ago

@Nicolay But if I only call commit() on Fragments onCreate() and activity is just created (onResume() still not called) can state has been saved?

Jeffrey Blattman Over a year ago

this doesn't work if you are using DialogFragments. calling the show() method causes commit() to be called by the impl of DialogFragment, so you aren't able to substitute the "allowing state loss call" in that case.

Nikolay Elenkov Over a year ago

Why would you want to use DialogFragments in a ViewPager?

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