gtomek

    @Override
    protected void onDraw(Canvas canvas) {
        super.onDraw(canvas);

        mPaint.setStyle(Paint.Style.STROKE);
        mPaint.setStrokeWidth(50);
        // Setting the color of the circle
        mPaint.setColor(Color.BLUE);

        // Draw the circle at (x,y) with radius 250

staltz

The introduction to Reactive Programming you've been missing

(by @andrestaltz)

---

This tutorial as a series of videos

If you prefer to watch video tutorials with live-coding, then check out this series I recorded with the same contents as in this article: Egghead.io - Introduction to Reactive Programming.

---