I am not exactly sure if this is the cause of your problem but your
fragment creation code is flawed. When you use *setRetainInstance(true)* you
don't need to create the fragment every time the activity is created. Also,
I don't know why you check for saveInstance to be null. When the phone is
rotated you should just retrieve the existing fragment instance from the
FragmentManager. I use something like below in mu base Activity:
protected Fragment addFragment( Class<?> clss ) {
String tag = clss.getSimpleName();
FragmentManager fm = getSupportFragmentManager();
Fragment f = fm.findFragmentByTag( tag );
if ( f == null ) {
f = Fragment.instantiate( this, clss.getName() );
}
FragmentTransaction ft = fm.beginTransaction();
ft.add( R.id.fragment_container, f, tag );
ft.commit();
return f;
}
And then in onCreate() of my Activity I simply call:
MyFragment f = addFragment( MyFragment.class );
This means that a Fragment instance is created the first time the Activity
is created but on any subsequent rotations, the existing Fragment instance
is retrieved from the FragmentManager is attached to the activity.
Your code creates a new Fragment instance every time the device is rotated,
which may lead to other issues like Fragment instances with no attached
Activity.
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