Android 出现：java.lang.NoClassDefFoundError...错误解决办法

 W/System.err: java.lang.NoClassDefFoundError: android/os/PersistableBundle
 W/System.err:   at java.lang.Class.getDeclaredMethods(Native Method)
 W/System.err:   at java.lang.Class.getDeclaredMethods(Class.java:656)
 W/System.err:   at de.greenrobot.event.SubscriberMethodFinder.findSubscriberMethods(SubscriberMethodFinder.java:75)
 W/System.err:   at de.greenrobot.event.EventBus.register(EventBus.java:163)
 W/System.err:   at de.greenrobot.event.EventBus.register(EventBus.java:133)

 @Override
public void onCreate(Bundle savedInstanceState, PersistableBundle persistentState) {
  super.onCreate(savedInstanceState, persistentState);
}
@Override
public void onSaveInstanceState(Bundle outState, PersistableBundle outPersistentState) {
  super.onSaveInstanceState(outState, outPersistentState);
}

@Override
protected void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
}

@Override
protected void onSaveInstanceState(Bundle outState) {
  super.onSaveInstanceState(outState);
}

public void onCreate(@Nullable Bundle savedInstanceState,
    @Nullable PersistableBundle persistentState) {
  onCreate(savedInstanceState);
}