JakeWharton/HanselAndGretel — pull request #4 by tprochazka (2012-10-19 04:37:18+00:00)
Title: More simple usage without manual call setActivity()

I think that call this manually
```java
FragmentBreadCrumbs crumbs = (FragmentBreadCrumbs)findViewById(R.id.breadcrumbs);
crumbs.setActivity(this);
```
is anoying and better solution is obtain host activity from context in onAttachedToWindow()
What do you think?