Android create one color image

AndroidOneColorImage.java

/**
  * A one color image.
  * @param width
  * @param height
  * @param color
  * @return A one color image with the given width and height.
  */
public static Bitmap createImage(int width, int height, int color) {
    Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
    Canvas canvas = new Canvas(bitmap);
    Paint paint = new Paint();
    paint.setColor(color);
    canvas.drawRect(0F, 0F, (float) width, (float) height, paint);
    return bitmap;
}

What's the license on this?