what is similar code for MainActivity.this in a fragment?

Question

I want to use this line of code : "mAdapter = new MembersAdapter(_______, membersList);" in my fragment class named HomeFragment If it used in Activity then it might be written as mAdapter = new MembersAdapter(MainActivity.this, membersList);

But now, I want to be executed in Fragment and for the Fragment so what should I do ?`

use this mAdapter = new MembersAdapter(getActivity() , membersList); — Sameer Donga, Sep 18 '15 at 08:53
@AarjeIshu this refers to context as a param to the constructor . `getActivity()` will get the context of the activity which hosts the fragment.http://developer.android.com/reference/android/app/Fragment.html#getActivity%28%29 — Raghunandan, Sep 18 '15 at 08:59
Adapter is for fragment class not the Activity So I can not pass getActivity() — Aarje Ishu, Sep 18 '15 at 09:01
@AarjeIshu just in case could you post the constructor of `MembersAdapter`? — Raghunandan, Sep 18 '15 at 09:01
possible duplicate of [Accessing the Activity from a Fragment](http://stackoverflow.com/questions/11155136/accessing-the-activity-from-a-fragment) — Sufian, Sep 22 '15 at 06:53

Somasundaram NP · Answer 1 · 2015-09-18T09:10:19.887

0

You can write base activity as Fragmentactivity and use the base activity by extending it to other activity so that base activity is maintained in the fragment class.

  youractivity youractivity_object;

  public void onAttach(Activity activity) {
        super.onAttach(activity);
        youractivity_object= (youractivity) activity;

    }

edited Sep 18 '15 at 09:10

answered Sep 18 '15 at 08:54

Somasundaram NP

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would you elaborate ? – Aarje Ishu Sep 18 '15 at 08:58
Wait I am elaborating – Aarje Ishu Sep 18 '15 at 09:03
I am having some Adapter class and View holder classes for views in Fragment class so If They (Views)were for Activity then we might use MainActivity.this but the views are for Fragment – Aarje Ishu Sep 18 '15 at 09:07
what is Activity here – Aarje Ishu Sep 18 '15 at 09:16
you can use baseactivity that you have already passed to the fragment. – Somasundaram NP Sep 18 '15 at 09:17
I want fragment 's context to pass – Aarje Ishu Sep 18 '15 at 09:20
you can make base fragment or you need to pass this object. if you use this object the it will you can't pass another fragment object so you can base fragment and extend it to following fragments MainActivity and HomeFragment please refer the following link you will get idea http://stackoverflow.com/questions/15444375/how-to-create-interface-between-fragment-and-adapter – Somasundaram NP Sep 18 '15 at 09:28

Tin Tran · Answer 2 · 2015-09-19T02:06:38.810

0

You might try this code: 1/

class Adapter extends RecyclerView.Adapter {
 public interface Adapter2FragementInteraction {
     void onSomeEvent();
 }
 // Override the constructor;
 public Adapter(Adapter2FragmentInteraction listener){
      //Save this listener;
      this.listener = listener;
 }

}

2/ In your Fragment:

`RecyclerView recyclerView = findViewById(R.id.recyclerView);
recyclerView.setAdapter(new Adapter(
    new Adapter2FragementInteraction(){
        @Override
        public void onSomeEvent(){
              //Do something with your Fragment's Views
        }

    }
);`

edited Sep 19 '15 at 02:06

answered Sep 18 '15 at 09:29

Tin Tran

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RecyclerView is super – Aarje Ishu Sep 18 '15 at 09:45
Editted my answer, please check – Tin Tran Sep 20 '15 at 01:43

what is similar code for MainActivity.this in a fragment?

2 Answers2