Android Programming: The Big Nerd Ranch Guide, 2nd Edition

FragmentStatePagerAdapter vs. FragmentPagerAdapter

There is another PagerAdapter type that you can use called FragmentPagerAdapter. FragmentPagerAdapter is used exactly like FragmentStatePagerAdapter. It only differs in how it unloads your fragments when they are no longer needed (Figure 11.4).

Figure 11.4  FragmentStatePagerAdapter’s fragment management

With FragmentStatePagerAdapter, your unneeded fragment is destroyed. A transaction is committed to completely remove the fragment from your activity’s FragmentManager. The “state” in FragmentStatePagerAdapter comes from the fact that it will save out your fragment’s Bundle ...