ATButton.java 文件源码

public void setBackgroundColor(int color) {

        Drawable mDrawable = mApp.getResources().getDrawable(R.drawable.circle_button);
        mDrawable.setColorFilter(new PorterDuffColorFilter(color, PorterDuff.Mode.SRC_IN));

        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN) {
            quickActionButton.setBackgroundDrawable(mDrawable);
        } else {
            quickActionButton.setBackground(mDrawable);
        }
    }