JAVA移位运算，INT类型颜色到RGB转换

public String convertToARGB(int color) {
        // alpha = Integer.toHexString(Color.alpha(color));
        red = Integer.toString(Color.red(color));
        green = Integer.toString(Color.green(color));
        blue = Integer.toString(Color.blue(color));
        // System.out.println(Color.red(color));

        ColorR.setText(red);
        ColorG.setText(green);
        ColorB.setText(blue);

        return "#" + red + green + blue;
    }

public static int alpha(int color) {

        return color >>> 24;
    }

    /**
     * Return the red component of a color int. This is the same as saying
     * (color >> 16) & 0xFF
     */
    public static int red(int color) {
        return (color >> 16) & 0xFF;
    }

    /**
     * Return the green component of a color int. This is the same as saying
     * (color >> 8) & 0xFF
     */
    public static int green(int color) {
        return (color >> 8) & 0xFF;
    }

    /**
     * Return the blue component of a color int. This is the same as saying
     * color & 0xFF
     */
    public static int blue(int color) {
        return color & 0xFF;
    }