ResourcesHelper.java 文件源码

/**
 * get uri to any resource type
 *
 * @param resId - resource id
 * @return - Uri to resource by given id
 */
public static Uri getUriToResource(@NonNull Activity activity, @AnyRes int resId) {
    Uri resUri = null;
    try {
        /** Return a Resources instance for your application's package. */
        Resources res = activity.getResources();
        /**
         * Creates a Uri which parses the given encoded URI string.
         * @param uriString an RFC 2396-compliant, encoded URI
         * @throws NullPointerException if uriString is null
         * @return Uri for this given uri string
         */
        resUri = Uri.parse(ContentResolver.SCHEME_ANDROID_RESOURCE + "://" + res.getResourcePackageName(resId) + '/' + res
                .getResourceTypeName(resId) + '/' + res.getResourceEntryName(resId));
        /** return uri */

    } catch (Resources.NotFoundException e) {
        e.printStackTrace();
    }

    return resUri;
}