Difference between Activity and FragmentActivity

android android-fragments android-support-library android-fragmentactivity
Rookie picture Rookie · May 7, 2012 · Viewed 115.2k times · Source

I was working on fragments and came across two things Activity and FragmentActivity which are used several times. I want to know that is there any difference between these two, because when I changed Activity with FragmentActivity, it had no effect on the app.

Answer

Alex Lockwood picture Alex Lockwood · May 7, 2012

A FragmentActivity is a subclass of Activity that was built for the Android Support Package.

The FragmentActivity class adds a couple new methods to ensure compatibility with older versions of Android, but other than that, there really isn't much of a difference between the two. Just make sure you change all calls to getLoaderManager() and getFragmentManager() to getSupportLoaderManager() and getSupportFragmentManager() respectively.

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