A bit more information: The DATA column in the MediaStore provider contains the file path, and it is possible to create a LIKE selection that selects content from a specific folder -- using a content: Uri not a file: Uri.
LocalDataSource looks like the place to start. However, I suggest you start with a simpler example. Gallery3D is not easily modified in this way. On Sep 25, 1:40 am, joebowbeer <[email protected]> wrote: > The cooliris Gallery3D code? > > http://android.git.kernel.org/?p=platform/packages/apps/Gallery3D.git > > How is the image cursor created? I assume it's obtained from a > MediaStore query. But if you change to a file uri, the MediaStore will > no longer handle the query... > > I think you can obtain the desired results with a MediaStore query and > the original uri if you add a 'selection' that filters on > mySubDirectory: > > contentResolver.query(uri, null, > MediaColumns.DATA + " like '%/mySubDirectory/%'", > null, null); > > On Sep 24, 10:19 pm, niko001 <[email protected]> wrote: > > > > > [I have asked this question on Stackoverflow, but haven't gotten any > > replies in 2 days] > > > Hi, > > > I am using the Gallery3D-Code for a test-app but want it to only > > display images from a sub-folder on the SD, not all of the images that > > are stored on it. To do this, I tried to change > > > public static final Uri STORAGE_URI = > > Images.Media.EXTERNAL_CONTENT_URI; > > > to > > public static final String ROOT_DIR = > > Environment.getExternalStorageDirectory().toString() + "/ > > mySubDirectory"; > > public static final Uri STORAGE_URI = Uri.fromFile(new > > File(ROOT_DIR)); > > > but I guess this is transforming a content://-Uri to a file://-Uri and > > this may be a problem? > > > In any case, it doesn't work :-(! Instead of just showing images from > > the ROOT_DIR-directory and its sub-directories, it shows no images at > > all ("Gallery empty"). Could anyone point me in the right direction as > > to what I am doing wrong? > > > Thanks for your help, > > Nick -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en
