java - How to group images in android device according to the folder name? -


i relatively new android. working on gallery application. requirement arrange images in device according folder name. have managed images in folder. not able arrange according folder name. 1 problem facing there may more on folder same name.i attaching code bellow.

final string[] columns = { mediastore.images.media.data, mediastore.images.media._id };             final string orderby = mediastore.images.media._id;             bitmap thumbnails[] = new bitmap[3];             string temp = null;             int imagecount = 0;              cursor imagecursor = context.getcontentresolver().query(                     mediastore.images.media.external_content_uri, columns, null,                     null, orderby);             int image_column_index = imagecursor                     .getcolumnindex(mediastore.images.media._id);             int count = imagecursor.getcount();             string temparrpath = null;             (int = 0; < count; i++) {                 imagecursor.movetoposition(i);                 int id = imagecursor.getint(image_column_index);                 int datacolumnindex = imagecursor                         .getcolumnindex(mediastore.images.media.data);                 temparrpath = imagecursor.getstring(datacolumnindex);                 string[] segments = temparrpath.split("/");                 string arrpath = segments[segments.length - 2];                 if (arrpath.equals(temp)) {                     if (imagecount >= 3){                         imagecount++;                         continue;                     }                     else {                         thumbnails[imagecount] = mediastore.images.thumbnails                                 .getthumbnail(getapplicationcontext()                                         .getcontentresolver(), id,                                         mediastore.images.thumbnails.micro_kind,                                         thumbnailoption);                         imagecount++;                     }                 } else {                     if (i != 0) {                         log.d(tag, "name = " + temparrpath);                         adapter.putitem(temp, thumbnails, imagecount);                         publishprogress();                     }                     imagecount = 0;                     thumbnails[imagecount] = mediastore.images.thumbnails                             .getthumbnail(getapplicationcontext()                                     .getcontentresolver(), id,                                     mediastore.images.thumbnails.micro_kind,                                     thumbnailoption);                     temp = arrpath;                     imagecount++;                 }             }             log.d(tag, "name = " + temparrpath);             adapter.putitem(temp, thumbnails, imagecount);             publishprogress();

is there other way?

this getting

04-06 23:06:25.080: d/showimagefolder(31250): name = /mnt/sdcard/dcim/opencamera/img_20140212_211241.jpg 04-06 23:06:25.110: d/showimagefolder(31250): name = /mnt/sdcard/download/images.jpg 04-06 23:06:25.150: d/showimagefolder(31250): name = /mnt/sdcard/edited/img_20130810_010215.jpg 04-06 23:06:25.200: d/showimagefolder(31250): name = /mnt/sdcard/noompictures/noompic1382464388594.jpg 04-06 23:06:25.200: d/showimagefolder(31250): name = /mnt/sdcard/dcim/opencamera/img_20140315_202138.jpg 04-06 23:06:25.240: d/showimagefolder(31250): name = /mnt/sdcard/dcim/100andro/dsc_0058.jpg 04-06 23:06:25.280: d/showimagefolder(31250): name = /mnt/sdcard/pictures/telegram/img_20140320_085838_-1044552010.jpg 04-06 23:06:25.320: d/showimagefolder(31250): name = /mnt/sdcard/dcim/opencamera/img_20140330_163630.jpg 04-06 23:06:25.350: d/showimagefolder(31250): name = /mnt/ext_card/wallpapers/boat_autumn-wallpaper-1366x768.jpg 04-06 23:06:25.420: d/showimagefolder(31250): name = /mnt/ext_card/dcim/100andro/dsc_0012.jpg 04-06 23:06:25.480: d/showimagefolder(31250): name = /mnt/ext_card/bluetooth/imag0097.jpg 04-06 23:06:25.500: d/showimagefolder(31250): name = /mnt/sdcard/whatsapp/media/whatsapp images/img-20140331-wa0000.jpg 04-06 23:06:25.560: d/showimagefolder(31250): name = /mnt/sdcard/whatsapp/media/whatsapp images/img-20140406-wa0007.jpg

put temparrpath in treemap. value of key reference adapter.

http://www.mkyong.com/java/how-to-sort-a-map-in-java/

if need name can use treeset , print using comparator: java priorityqueue comparator - how/when sort?


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