public class YourPath extends AbstractPath {
    public YourPath(Point center, int pathWidth, int pathHeight, int maxBallSize) {
        super(center, pathWidth, pathHeight, maxBallSize);
    }

 //Draw your path here, and return it
    @Override
    public Path draw() {
        return null;
    }
}

public class YourShape extends Shape {
    public YourShape(int size, int color) {
        super(size, color);
    }

 //Init points u need. Be careful, don't delete
 //the line of code 'super.initPoint();'
    @Override
    protected void initPoint() {
        super.initPoint();
    }

 //Update your point if needed
    @Override
    protected void updatePoint() {
        super.updatePoint();
    }

 //Draw your shape here
    @Override
    public Path getShapePath() {
        return null;
    }
}

public class YourShapableLoadingView extends ShapableLoadingView {
    public YourShapableLoadingView(Context context) {
        super(context);
    }

    public YourShapableLoadingView(Context context, AttributeSet attrs) {
        super(context, attrs);
    }

    public YourShapableLoadingView(Context context, AttributeSet attrs, int defStyleAttr) {
        super(context, attrs, defStyleAttr);
    }

 //Return your path
    @Override
    protected Path getPath(int w, int h) {
        return super.getPath(w, h);
    }

 //Return your shape
    @Override
    protected Shape getShape(int color) {
        return super.getShape(color);
    }
}