FlatButton.java 文件源码

protected void init() {
    bgPaint = new Paint();
    bgPaint.setAntiAlias(true);
    bgPaint.setColor(backgroundColor);

    focusPaint = new Paint();
    focusPaint.setAntiAlias(true);
    focusPaint.setColor(focusColor);

    animatorSet = new AnimatorSet();

    bgRectF = new RectF();

       mDrawFilter = new PaintFlagsDrawFilter(0, Paint.ANTI_ALIAS_FLAG | Paint.FILTER_BITMAP_FLAG);

       this.setBackgroundResource(0);
}