ToastUtils.java 文件源码

private static void setBgAndGravity() {
    View toastView = sToast.getView();
    if (bgResource != -1) {
        toastView.setBackgroundResource(bgResource);
    } else if (bgColor != COLOR_DEFAULT) {
        Drawable background = toastView.getBackground();
        background.setColorFilter(new PorterDuffColorFilter(bgColor, PorterDuff.Mode.SRC_IN));
    }
    sToast.setGravity(gravity, xOffset, yOffset);
}