Date today = new Date();
today.setHours(0);
today.setMinutes(0);
today.setSeconds(0);
final long time = today.getTime()/1000;
Cursor cursor = MediaStore.Images.Media.query(getContentResolver(),
MediaStore.Images.Media.EXTERNAL_CONTENT_URI
, null
, MediaStore.Images.Media.DATE_MODIFIED + ">"+ time
, null
, MediaStore.Images.Media.DATE_MODIFIED+" DESC");