gallery - Android keeps thumbnails for deleted images and they appear when I request them, but original files dont -


in application obtain image thumbnails device show in custom gallery mediastore

getloadermanager().initloader(cursorloader_thumbs, null, this); getloadermanager().initloader(cursorloader_real, null, this);  @override public loader<cursor> oncreateloader(int cursorid, bundle arg1) {     cursorloader cl = null;      arraylist<string> img = new arraylist<string>();     switch (cursorid) {      case cursorloader_thumbs:         img.add(mediastore.images.media._id);         break;     case cursorloader_real:         img.add(mediastore.images.thumbnails.data);         break;     default:         break;     }      cl = new cursorloader(application, mediastore.images.media.external_content_uri, img.toarray(new string[img.size()]), null, null, null);     return cl; }   private string getpathofthumbnailbyid(context context, int id) {     cursor cursor = context.getcontentresolver().query(mediastore.images.media.external_content_uri, new string[] { mediastore.images.media.data }, mediastore.images.media._id + "=?", new string[] { "" + id }, null);     if (cursor != null && cursor.getcount() > 0) {         cursor.movetofirst();         string fullpath = cursor.getstring(0);         cursor.close();         return fullpath;     } else {         return "";     } }

but if user goes folder , deletes image, android doesnt delete corresponding thumbnail gallery app keeps showing thumbnail, user clicks on it, , no image found.

just put code in onresume() when user leave app deleteing image , after deleting image user come app , onreume() call , app refresh images.


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