Yes, thanks, I finished doing something similar... returning empty 
parcelable. But I think the problem, in my case, was that I was using 
nested fragments and that seems not to be supported. I changed my code to 
use only 1 level of fragments and had not these exceptions anymore.


On Thursday, July 19, 2012 9:08:39 PM UTC+2, user123 wrote:
>
> I'm using the FragmentStatePagerAdapter in a ViewPager, in order to 
> provide mutable content (FragmentPagerAdapter didn't work, it was not 
> possible to change the content after having set it the first time).
>
> Mainly it works, but it crashes frequently because of 
> IllegalStateExceptions: "Fragment no longer exists" / "No view found for 
> id 0xcf for fragment" / "Fragment is no longer in the fragment manager" 
> (and forgot the 4th one). There's nothing directly related to my code in 
> the stack trace, all I know, is that it's somehow related with saving / 
> restoring state, and trying to access not existing fragments.
>
> The documentation in 
> http://developer.android.com/reference/android/support/v4/app/FragmentStatePagerAdapter.html
>  doesn't 
> give my any help, the description and example is very basic and don't say 
> anything about having to care about saving / restoring fragment's state. 
> And I don't have time to study all the source.
>
> All the documentation says about requeriments is:
>
> "When using FragmentPagerAdapter the host ViewPager must have a valid ID 
> set.
>
> Subclasses only need to implement 
> getItem(int)<http://developer.android.com/reference/android/support/v4/app/FragmentStatePagerAdapter.html#getItem(int)>
>  and 
> getCount()<http://developer.android.com/reference/android/support/v4/view/PagerAdapter.html#getCount()>
>  to 
> have a working adapter."
>
> I'm doing that. 
>
> Can somebody help me out of this, at least giving me a logical background 
> of these problems and what am I supposed to to? 
>

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