canvas.setAlpha(alpha);
float strokeWidth = 16.0f;
canvas.setStrokeColor(Color.rgb(255, 255, 255));
canvas.setStrokeWidth(strokeWidth);
canvas.strokeCircle((float) radius, (float) radius, (float) radius - (strokeWidth / 2.0f));
return circleImage;
}
public ImageLayer asImageLayer() {