Integrating HTMapAdapter with HTMapFragment

MyHTMapActivity.java

public class MyHTMapActivity extends AppCompatActivity {
  @Override
  protected void onCreate(Bundle savedInstanceState) {
    // Your Activity's onCreate() code here 
    
    // Instantiate HTMapFragment placed inside your activity layout
    HTMapFragment htHTMapFragment = (HTMapFragment) getSupportFragmentManager().findFragmentById(R.id.htMapfragment);
    MyHTMapAdapter adapter = new MyHTMapAdapter(this);
    
    // Set your implementation of HTMapAdapter
    htHTMapFragment.setHTMapAdapter(adapter);
    
    ...
    
    // To update views for a taskID, change the settings in HTMapAdapter
    // and call notifyDataSetChanged()
    adapter.setIsHeroMarkerIconChanged(true);
    adapter.notifyDataSetChanged();
  }
}

public class MyHTMapAdapter extends HTMapAdapter {
  public boolean isHeroMarkerIconChanged = false;
  
  public MyHTMapAdapter(Context context) {
    super(context);
  }
  
  public setIsHeroMarkerIconChanged(boolean isHeroMarkerIconChanged) {
    this.isHeroMarkerIconChanged = isHeroMarkerIconChanged;
  }
  
  @Override
  public List<String> getTaskIDsToTrack(HTMapFragment htMapFragment) {
    ArrayList<String> taskIDs = new ArrayList<>();
    taskIDs.add('<task_id>')
    return new ArrayList<>;
  }
  
  @Override
  public int getHeroMarkerIconForTaskID(HTMapFragment htMapFragment, String taskID) {
    if (isHeroMarkerIconChanged) {
      return R.drawable.ic_hero_marker_changed;
    }
    return R.drawable.ic_hero_marker;
  }
  
  ...
}