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6. • FragmentManager
• FragmentTransaction

7. Fragment.getActivity()
• FragmentManager.findFragmentById(int id)
• FragmentManager.findFragmentByTag(String tag)

8. onItemClick

9. OnItemClickListener callback;
public void onAttach(Activity activity) {
super.onAttach(activity);
try{
callback = (OnItemClickListener) activity;
}catch(ClassCastException e){
throw new ClassCastException(activity.toString() +
" must implements OnItemClickListener");
}
}

10. onItemClick

11. setArguments

12. getArguments

13. • add
• remove
• replace
• hide
• show

14. FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
transaction.add(R.id.main, detailFragment)
.addToBackStack(null)
.commit();

15. Fragment inside another fragment
FragmentTransaction transaction = detailFragment.getChildFragmentManager().beginTransaction();
transaction.add(R.id.detail, nestedFragment, "nested")
.addToBackStack(null)
.commit();

16. A
A
B
transaction.add(R.id.main, fragmentA).addToBackStack(“fragmentA”).commit();
transaction.add(R.id.main, fragmentB);
transaction.add(R.id.main, fragmentC);
A
BC

17. A
A
B
getSupportFragmentManager(). popBackStack(“fragmentA”, 0);
getSupportFragmentManager(). popBackStackImmediate(“fragmentA”, 0);
A
BC