@Override public void draw(Canvas canvas) { Rect r = getBounds(); Paint paint = mShapeState.mPaint; int prevAlpha = paint.getAlpha(); paint.setAlpha(modulateAlpha(prevAlpha, mShapeState.mAlpha)); if (mShapeState.mShape != null) { // need the save both for the translate, and for the (unknown) Shape int count = canvas.save(); canvas.translate(r.left, r.top); onDraw(mShapeState.mShape, canvas, paint); canvas.restoreToCount(count); } else { canvas.drawRect(r, paint); } // restore paint.setAlpha(prevAlpha); }