VectorDrawableCompat.java 文件源码

@Nullable
public static VectorDrawableCompat create(@NonNull Resources res, @DrawableRes int resId, @Nullable Theme theme) {
    if (VERSION.SDK_INT >= 21) {
        VectorDrawableCompat drawable = new VectorDrawableCompat();
        drawable.mDelegateDrawable = ResourcesCompat.getDrawable(res, resId, theme);
        drawable.mCachedConstantStateDelegate = new VectorDrawableDelegateState(drawable.mDelegateDrawable.getConstantState());
        return drawable;
    }
    try {
        int type;
        XmlPullParser parser = res.getXml(resId);
        AttributeSet attrs = Xml.asAttributeSet(parser);
        do {
            type = parser.next();
            if (type == 2) {
                break;
            }
        } while (type != 1);
        if (type == 2) {
            return createFromXmlInner(res, parser, attrs, theme);
        }
        throw new XmlPullParserException("No start tag found");
    } catch (XmlPullParserException e) {
        Log.e(LOGTAG, "parser error", e);
        return null;
    } catch (IOException e2) {
        Log.e(LOGTAG, "parser error", e2);
        return null;
    }
}