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Which function will be called when the fragment resume.

I have read this question here setTitle when Fragment is visible again , but i must use the add() function. What should i do? onResume function is not called!

EDIT: In MainActivity:

getSupportFragmentManager().beginTransaction().replace(R.id.container,fragmentA).commit();

when click a button in fragment A, the fragment B will be show:

onClick(View v){
    getSupportFragmentManager().beginTransaction().add(R.id.container,fragmentB).commit(); 
}

And when i press back button, it resume to fragment A, but onResume() function in A is not called.

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Lê Vũ Huy
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1 Answers1

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Since you are adding a fragment, and not replacing it, the onResume() method will not be called for Fragment A. Fragment A did not went to onPause() when you add another fragment to the parent container.

Have a look at the Android deverlopers page: http://developer.android.com/training/basics/fragments/communicating.html#DefineInterface

Malwinder Singh
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  • But when i add fragment B, i cant see fragment A, fragment A is not visible :( I want to know how to handle when fragment B remove and fragment A return. – Lê Vũ Huy Aug 31 '15 at 06:10