I have a same problem, my fragment lost the reference of activity
after pause/resume...
I don't understand the fragment's lifecycle.
On 19 juil, 15:10, Guian <guiandou...@gmail.com> wrote:
> well well ...
>
> here is the fix I used :
>
> on the creation of my fragment I add a test in fragment.getActivity()
> is null ...
>
> if(testFragment == null || testFragment.getActivity()==null)
> testFragment = (TestFragment) TestFragment.instantiate(context,
> "com.mypackage.test.MyFragment");
>
> and I recreate a previously build fragment which I think isn't very
> optimised ...
>
> any comment/advise on this is welcome.
>
> On 19 juil, 14:31, Guian <guiandou...@gmail.com> wrote:
>
> > here is the source code forisAdded:
>
> > /**
> > * Return true if the fragment is currently added to its activity.
> > */
> > final public booleanisAdded() {
> > return mActivity != null && mAdded;
> > }
>
> > indeed ... mActivity is null...
>
> > I guess I have to recreate this fragment from scratch since I've lost
> > its activity owner ?
> > what cause this reference on mActivity being lost ?
> > if its the onPause => onResume, what's the point of having a onPause
> > onResume methods to implement in Fragment, if we have to recreate it
> > anyway ?
>
> > On 19 juil, 12:23, Guian <guiandou...@gmail.com> wrote:
>
> > > I've seen thatisAdded() can return false even if the field 'mAdded'
> > > in the Fragment is true ?
> > > (seen in the 'Variables' view in eclipse )
>
> > > does anybody know why ?
>
> > > On 19 juil, 11:46, Guian <guiandou...@gmail.com> wrote:
>
> > > > I can't understand how this piece of code :
>
> > > > if(!fragmentsToAdd.isAdded())
> > > > ft.add( R.id.parent, fragmentsToAdd, "myFragment");
>
> > > > can lead to this exeption :
>
> > > > FATAL EXCEPTION: main
> > > > java.lang.IllegalStateException: Fragment already added:
> > > > TestFragment{40856358 #0 id=0x7f060024 "myFragment"}
> > > > at android.app.BackStackRecord.doAddOp(BackStackRecord.java:322)
> > > > at android.app.BackStackRecord.add(BackStackRecord.java:316)
> > > > at com.mypackage.test.MyActivity.onTabSelected(MyActivity.java:164)
>
> > > > does the isAdded() function works fine ?
>
> > > > ( used with android 3.1, it happens when leaving the app in pause
> > > > state, then resume it and change Tab from the action bar. )
>
> > > > any cu
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