Video Duration von Mediastore erhalten

    public String GetVideoDuration(String Filename) {
        String duration = "00:00";
        Uri uri = Uri.parse(Filename);
        Cursor cursor = MediaStore.Video.query(null, uri, new String[]{MediaStore.Video.VideoColumns.DURATION});
        if(cursor.moveToFirst()) {
            duration = cursor.getString(0);
        }        
        return duration;
    }

    public String GetVideoDuration(String Filename) {
        String duration = "00:00";
        Uri uri = Uri.parse(Filename);
        Cursor cursor = MediaStore.Video.query(null, uri, new String[]{MediaStore.Video.VideoColumns.DURATION});
        int DurationIndex = cursor.getColumnIndex(MediaStore.Video.Media.DURATION);
        Integer i = 0;
       do {            
           Uri FileUri = ContentUris.withAppendedId(MediaStore.Audio.Media.EXTERNAL_CONTENT_URI, i);
           String tempFile = MRUtils.getRealPathFromURI(MRUtils.STCOntext, FileUri);  
           if (tempFile == Filename) {
               duration = cursor.getString(DurationIndex).toString();
           }
           i = i +1;
       } while (cursor.moveToNext());
      return duration;
    }