DrawableWrapperLollipop.java 文件源码

protected boolean isCompatTintEnabled() {
    if (VERSION.SDK_INT != 21) {
        return false;
    }
    Drawable drawable = this.mDrawable;
    if ((drawable instanceof GradientDrawable) || (drawable instanceof DrawableContainer) || (drawable instanceof InsetDrawable)) {
        return true;
    }
    return false;
}