"Passing Data between fragments in Android using Interface" Code Answer's

i want to select data from one fragment and want to update in another

By Innocent Ibis on Jan 03, 2021

// In Fragment_1.java

Bundle bundle = new Bundle();
bundle.putString("key","abc"); // Put anything what you want

Fragment_2 fragment2 = new Fragment_2();
fragment2.setArguments(bundle);

getFragmentManager()
      .beginTransaction()
      .replace(R.id.content, fragment2)
      .commit();
      
      
// In Fragment_2.java

Bundle bundle = this.getArguments();

if(bundle != null){
     // handle your code here.
}

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Passing Data between fragments in Android using Interface

By Thankful Teira on Feb 10, 2021

public class FragmentB extends Fragment{
    final static String DATA_RECEIVE = "data_receive";
    TextView showReceivedData;
    
    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
            Bundle savedInstanceState) {
        View view = inflater.inflate(R.layout.fragment_B, container, false);
        showReceivedData = (TextView) view.findViewById(R.id.showReceivedData);
    }
    
    @Override
    public void onStart() {
        super.onStart();
        Bundle args = getArguments();
        if (args != null) {
            showReceivedData.setText(args.getString(DATA_RECEIVE));
        }
    }
}

Source: stackoverflow.com

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Passing Data between fragments in Android using Interface

By Thankful Teira on Feb 10, 2021

public class FragmentA extends Fragment 
{
    DataPassListener mCallback;
    
    public interface DataPassListener{
        public void passData(String data);
    }

    @Override
    public void onAttach(Context context) 
    {
        super.onAttach(context);
        // This makes sure that the host activity has implemented the callback interface
        // If not, it throws an exception
        try 
        {
            mCallback = (OnImageClickListener) context;
        }
        catch (ClassCastException e) 
        {
            throw new ClassCastException(context.toString()+ " must implement OnImageClickListener");
        }
    }
    
    public View onCreateView(LayoutInflater inflater, ViewGroup container,Bundle savedInstanceState) 
    {
        // Suppose that when a button clicked second FragmentB will be inflated
        // some data on FragmentA will pass FragmentB
        // Button passDataButton = (Button).........
        
        passDataButton.setOnClickListener(new OnClickListener() {
            @Override
            public void onClick(View v) {
                if (view.getId() == R.id.passDataButton) {
                    mCallback.passData("Text to pass FragmentB");
                }
            }
        });
    }
}

Source: stackoverflow.com

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Passing Data between fragments in Android using Interface

By Thankful Teira on Feb 10, 2021

public class MainActivity extends ActionBarActivity implements DataPassListener{
    
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        
        if (findViewById(R.id.container) != null) {
            if (savedInstanceState != null) {
                return;
            }
            getFragmentManager().beginTransaction()
                    .add(R.id.container, new FragmentA()).commit();
        }
    }
    
    @Override
    public void passData(String data) {
        FragmentB fragmentB = new FragmentB ();
        Bundle args = new Bundle();
        args.putString(FragmentB.DATA_RECEIVE, data);
        fragmentB .setArguments(args);
        getFragmentManager().beginTransaction()
            .replace(R.id.container, fragmentB )
            .commit();
    }
}

Source: stackoverflow.com

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