Android createIntent() example

gistfile1.txt

public class MovieDetailActivity extends AppCompatActivity {

    private static final String EXTRA_MOVIE_ID = "extra:movieId";

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_movie_detail);

        String movieId = savedInstanceState.getString(EXTRA_MOVIE_ID);
        displayMovieDetail(movieId);
    }

    private void displayMovieDetail(String id) {
        ...
    }

    public static Intent createIntent(Context context, String id) {
        Intent intent = new Intent(context, MovieDetailActivity.class);
        intent.putExtra(EXTRA_MOVIE_ID, id);
        return intent;
    }
}