ColorPickerDialog.java 文件源码

ColorPickerView(Context c, int color) {
    super(c);
    mColors = new int[] {
        0xFFFF0000, 0xFFFF00FF, 0xFF0000FF, 0xFF00FFFF, 0xFF00FF00,
        0xFFFFFFFF, 0xFF000000, 0xFFFFFF00, 0xFFFF0000
    };
    Shader s = new SweepGradient(0, 0, mColors, null);

    mPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
    mPaint.setShader(s);
    mPaint.setStyle(Paint.Style.STROKE);
    mPaint.setStrokeWidth(32);

    mCenterPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
    mCenterPaint.setColor(color);
    mCenterPaint.setStrokeWidth(5);
    alpha = Color.alpha(color);

}