The following code used to work fine in a previous iteration of my app
that was targeted to V11 but used the support library to support
fragments, etc., from the minimum V7 and up:
Fragment frag = ShowExhibit.ShowExhibitFrag.newInstance(args);
FragmentTransaction ft =
mFrag.getFragmentManager().beginTransaction();
ft.setCustomAnimations(android.R.anim.fade_in,
android.R.anim.fade_out,
android.R.anim.fade_in, android.R.anim.fade_out);
ft.replace(mParentId, frag);
ft.addToBackStack(null);
ft.commit();
Now I'm creating a new version that targets V14 and also has a min of
V14, so no need to use the support library for fragments. Running this
on the emulator running Android 4.0 (V14), I get the following fatal
error on the transition:
FATAL EXCEPTION: main
java.lang.RuntimeException: Unknown animator name: alpha
at
android.animation.AnimatorInflater.createAnimatorFromXml(AnimatorInflater.java:129)
at
android.animation.AnimatorInflater.createAnimatorFromXml(AnimatorInflater.java:93)
So what has changed? I can load my previous app version on this same
emulator and it runs just fine. None of the code related to this
operation has changed in any way. The emulator was created using the
standard "Galaxy Nexus" definition within ADT.
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