Android API below 21 material theme action bar - activity can`t extend ActionBarActivity -

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what understood android api guide backward comparability, if 1 need action bar material theme (means primary color , primary dark "upper strip" etc.) need add library appcompatv7 , extend actionbaractivity , manipulate in way style files.

https://developer.android.com/training/material/theme.html

  1. my activity extends other class (it`s java etc...). can do?
  2. consider above - can give complete example of need put in each style file in order support , feel of material theme action bar in app min api 16? because standart example extend actionbaractivity , copy paste regular code android api guide link


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