Multiple activity in Android inherits its own written parent container (activity)

If you have a few different pages in one application and need to set up some of the same things, then I think I should try to use the parent container, and start myself just do not know the concept, make oneself write too many not should code .... The so-called program ..... The bitter spirit also.

Inside the parent container, we can unify the same title, and • The same background page ...

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