SpringFloatingActionMenu.java 文件源码

private ArrayList<ImageButton> generateFollowCircles() {

        int diameter = mFAB.getType() == FloatingActionButton.TYPE_NORMAL ?
                Utils.getDimension(mContext, R.dimen.fab_size_normal) :
                Utils.getDimension(mContext, R.dimen.fab_size_mini);

        ArrayList<ImageButton> circles = new ArrayList<>(mMenuItems.size());
        for (MenuItem item : mMenuItems) {
            ImageButton circle = new ImageButton(mContext);
            OvalShape ovalShape = new OvalShape();
            ShapeDrawable shapeDrawable = new ShapeDrawable(ovalShape);
            shapeDrawable.getPaint().setColor(getResources().getColor(item.getBgColor()));
            circle.setBackgroundDrawable(shapeDrawable);
            circle.setImageResource(item.getIcon());
            LayoutParams lp = new LayoutParams(diameter, diameter);
            circle.setLayoutParams(lp);
            circles.add(circle);
        }

        return circles;
    }