android - Loading Images for gallery from Custom folder -

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i trying load images , show them gallery in form of list. problem able default android gallery, don't know how t custom folder. e.g /pictures folder. have been trying, here code use default gallery, want other folder, e.g /pictures/col.

    public static list<photoitem> getalbumthumbnails(context context){     final string[] projection = {mediastore.images.thumbnails.data, mediastore.images.thumbnails.image_id};     cursor thumbnailscursor = context.getcontentresolver().query( mediastore.images.thumbnails.external_content_uri,             projection, // columns return             null, // return rows             null,             null); // extract proper column thumbnails         int thumbnailcolumnindex = thumbnailscursor.getcolumnindex(mediastore.images.thumbnails.data);         arraylist<photoitem> result = new arraylist<photoitem>(thumbnailscursor.getcount());         if (thumbnailscursor.movetofirst()) {             { // generate tiny thumbnail version.                 int thumbnailimageid = thumbnailscursor.getint(thumbnailcolumnindex);                 string thumbnailpath = thumbnailscursor.getstring(thumbnailimageid);                 uri thumbnailuri = uri.parse(thumbnailpath);                 uri fullimageuri = uritofullimage(thumbnailscursor,context); // create list item.                 photoitem newitem = new photoitem(thumbnailuri,fullimageuri);                 result.add(newitem);             } while (thumbnailscursor.movetonext());         }         thumbnailscursor.close();         return result;     }

what should change here, tried change projection, query parameters failed, new in field, please :)

you can custom recent-images library purpose. it's simple , easy use library.


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