passing data between fragments in android using interface

1// In Fragment_1.java
2
3Bundle bundle = new Bundle();
4bundle.putString("key","abc"); // Put anything what you want
5
6Fragment_2 fragment2 = new Fragment_2();
7fragment2.setArguments(bundle);
8
9getFragmentManager()
10      .beginTransaction()
11      .replace(R.id.content, fragment2)
12      .commit();
13      
14      
15// In Fragment_2.java
16
17Bundle bundle = this.getArguments();
18
19if(bundle != null){
20     // handle your code here.
21}

1public class FragmentB extends Fragment{
2    final static String DATA_RECEIVE = "data_receive";
3    TextView showReceivedData;
4    
5    @Override
6    public View onCreateView(LayoutInflater inflater, ViewGroup container,
7            Bundle savedInstanceState) {
8        View view = inflater.inflate(R.layout.fragment_B, container, false);
9        showReceivedData = (TextView) view.findViewById(R.id.showReceivedData);
10    }
11    
12    @Override
13    public void onStart() {
14        super.onStart();
15        Bundle args = getArguments();
16        if (args != null) {
17            showReceivedData.setText(args.getString(DATA_RECEIVE));
18        }
19    }
20}
21

1public class FragmentA extends Fragment 
2{
3    DataPassListener mCallback;
4    
5    public interface DataPassListener{
6        public void passData(String data);
7    }
8
9    @Override
10    public void onAttach(Context context) 
11    {
12        super.onAttach(context);
13        // This makes sure that the host activity has implemented the callback interface
14        // If not, it throws an exception
15        try 
16        {
17            mCallback = (OnImageClickListener) context;
18        }
19        catch (ClassCastException e) 
20        {
21            throw new ClassCastException(context.toString()+ " must implement OnImageClickListener");
22        }
23    }
24    
25    public View onCreateView(LayoutInflater inflater, ViewGroup container,Bundle savedInstanceState) 
26    {
27        // Suppose that when a button clicked second FragmentB will be inflated
28        // some data on FragmentA will pass FragmentB
29        // Button passDataButton = (Button).........
30        
31        passDataButton.setOnClickListener(new OnClickListener() {
32            @Override
33            public void onClick(View v) {
34                if (view.getId() == R.id.passDataButton) {
35                    mCallback.passData("Text to pass FragmentB");
36                }
37            }
38        });
39    }
40}
41

1public class MainActivity extends ActionBarActivity implements DataPassListener{
2    
3    @Override
4    protected void onCreate(Bundle savedInstanceState) {
5        super.onCreate(savedInstanceState);
6        setContentView(R.layout.activity_main);
7        
8        if (findViewById(R.id.container) != null) {
9            if (savedInstanceState != null) {
10                return;
11            }
12            getFragmentManager().beginTransaction()
13                    .add(R.id.container, new FragmentA()).commit();
14        }
15    }
16    
17    @Override
18    public void passData(String data) {
19        FragmentB fragmentB = new FragmentB ();
20        Bundle args = new Bundle();
21        args.putString(FragmentB.DATA_RECEIVE, data);
22        fragmentB .setArguments(args);
23        getFragmentManager().beginTransaction()
24            .replace(R.id.container, fragmentB )
25            .commit();
26    }
27}
28