Essential Android Intent edit forum

Getting a result from Activity to Fragment

Like Getting a result from another Activity you need to call the Fragment’s method startActivityForResult(Intent intent, int requestCode). note that you should not call getActivity().startActivityForResult() as this will take the result back to the Fragment’s parent Activity.

Receiving the result can be done using the Fragment‘s method onActivityResult(). You need to make sure that the Fragment’s parent Activity also overrides onActivityResult() and calls it’s super implementation.

In the following example ActivityOne contains FragmentOne, which will start ActivityTwo and expect a result from it.

ActivityOne

public class ActivityOne extends Activity {
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_one);
    }

    // You must override this method as the second Activity will always send its results to this Activity and then to the Fragment
    @Override
    public void onActivityResult(int requestCode, int resultCode, Intent data) {
       super.onActivityResult(requestCode, resultCode, data);
    }
}

activity_one.xml

<fragment android:name="com.example.FragmentOne"
    android:id="@+id/fragment_one"
    android:layout_width="match_parent"
    android:layout_height="match_parent" />

FragmentOne

public class FragmentOne extends Fragment {
    public static final int REQUEST_CODE = 11;
    public static final int RESULT_CODE = 12;
    public static final String EXTRA_KEY_TEST = "testKey";

    // Initializing and starting the second Activity
    private void startSecondActivity() {
        Intent intent = new Intent(getActivity(), ActivityTwo.class);
        startActivityForResult(REQUEST_CODE, intent);
    }

    @Override
    public void onActivityResult(int requestCode, int resultCode, Intent data) {
        super.onActivityResult(requestCode, resultCode, data);
        if (requestCode == REQUEST_CODE && resultCode == RESULT_CODE) {
            String testResult = data.getStringExtra(EXTRA_KEY_TEST);
            // TODO: Do something with your extra data
        }
    }
}

ActivityTwo

public class ActivityTwo extends Activity {
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_two);
    }

    private void closeActivity() {
        Intent intent = new Intent();
        intent.putExtra(FragmentOne.EXTRA_KEY_TEST, "Testing passing data back to ActivityOne");
        setResult(FragmentOne.RESULT_CODE, intent); // You can also send result without any data using setResult(int resultCode)
        finish();
    }
}

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