PerferenceActivity with PreferenceFragment fails on device with proguard okay without proguard
问题 I'm coding my first app targeting ICS (4.0.3 - level 15). I get Action Bars and I think they're great. But I'm trying fragments for the first time, and I'm still not sure if I like 'em or not. The app I'm currently working on doesn't need fragments since it has pretty undynamic on screen requirements. Standard activities are working fine. The big However is that I have to use PreferenceActivity with PreferencFragment and Headers. The old form of the activity straight to the preference