DEPARTMENT OF COMPUTER SCIENCE THE UNIVERSITY OF HONG KONG. CSIS0801 Final Year Project. WhozzUp - A Novel Big Data App for HK (Individual Report)

Size: px

Start display at page:

Download "DEPARTMENT OF COMPUTER SCIENCE THE UNIVERSITY OF HONG KONG. CSIS0801 Final Year Project. WhozzUp - A Novel Big Data App for HK (Individual Report)"

Randolph Dixon
6 years ago
Views:

1 DEPARTMENT OF COMPUTER SCIENCE THE UNIVERSITY OF HONG KONG CSIS0801 Final Year Project WhozzUp - A Novel Big Data App for HK (Individual Report) Nundraj NARAYEN ( ) 4/17/2016

2 Page 2

3 Page 3

4 Page 4

5 Page 5

6 Page 6

7 Page 7

8 Page 8

9 Page 9

10 Page 10

11 Page 11

12 Page 12

13 Page 13

14 Page 14

15 Page 15

16 Page 16

17 Page 17

18 Page 18

19 Page 19

20 Page 20

21 Final Year Project Page 21

22 Page 22

23 Page 23

24 <meta-data android:name="com.facebook.sdk.applicationid" /> <meta-data android:name="com.google.android.geo.api_key" android:value="aizasyajx3c788ite-2vg3t9ror2aezrgzxn0rw" /> <meta-data android:name="com.google.android.gms.version" /> <uses-permission android:name="android.permission.internet" /> <uses-permission android:name="android.permission.access_fine_location" /> <uses-permission android:name="android.permission.access_coarse_location" /> <uses-permission android:name="android.permission.access_network_state" /> Final Year Project Page 24

25 loginbutton = (LoginButton) findviewbyid(r.id.login_button); loginbutton.setreadpermissions(arrays.aslist("user_status", "user_friends", "user_events", "public_profile", "user_actions.music", "user_likes", "user_location", "user_about_me")); Final Year Project Page 25

26 private class UserInfo extends AsyncTask<String, Void, String> { protected String doinbackground(string... str){ InputStream in = null; try { DataOutputStream printout; URL url = new URL(str[0]); HttpURLConnection con = (HttpURLConnection) url.openconnection(); con.setdooutput(true); con.setdoinput(true); con.setrequestproperty("content-type", "application/json"); con.setrequestproperty("accept", "application/json"); con.setrequestmethod("post"); String id = AccessToken.getCurrentAccessToken().getUserId(); JSONObject info = new JSONObject(); info.put("userid", id); printout = new DataOutputStream(con.getOutputStream ()); String data = info.tostring(); byte[] send = data.getbytes("utf-8"); printout.write(send); printout.flush(); printout.close(); in = con.getinputstream(); globals glob = ((globals)getapplicationcontext()); glob.setglobalvarvalue(util.readjsonstream(in)); String res = "Success"; return res; } } } catch (Exception e) { Log.d(TAG, e.tostring()); return e.tostring(); } Final Year Project Page 26

27 new GraphRequest( AccessToken.getCurrentAccessToken(), "/me/likes", null, HttpMethod.GET, graphcallback).executeasync(); Final Year Project Page 27

28 <fragment android:layout_width="match_parent" android:layout_height="match_parent" tools:context="com.example.lukasz.whozzup.mapsactivity" public void onmapready(googlemap googlemap) { mmap = googlemap; LatLng loc = new LatLng( , ); mmap.movecamera(cameraupdatefactory.newlatlng(loc)); mmap.animatecamera(cameraupdatefactory.zoomto(10), 1000, null); mmap.setonmaplongclicklistener(mapsactivity.this); mmap.setmylocationenabled(true); } Final Year Project Page 28

29 @Override public void onmaplongclick(latlng latlng) { if (mmarker!= null) mmarker.remove(); mmarker = mmap.addmarker(new MarkerOptions().position(latLng).title("Your Event")); } PlaceAutocompleteFragment autocompletefragment = (PlaceAutocompleteFragment) getfragmentmanager().findfragmentbyid(r.id.place_autocomplete_fragment); autocompletefragment.setboundsbias(new LatLngBounds( new LatLng(22, 114.9), new LatLng(22.5, 114.4))); autocompletefragment.setonplaceselectedlistener(new PlaceSelectionListener() public void onplaceselected(place place) { LatLng loc = place.getlatlng(); if (mmarker!= null) mmarker.remove(); mmarker = mmap.addmarker(new MarkerOptions().position(loc).title("Your Event")); mmap.movecamera(cameraupdatefactory.newlatlng(loc)); mmap.animatecamera(cameraupdatefactory.zoomto(10), 1000, null); } public void onerror(status status) { } Final Year Project Page 29

30 Page 30

31 <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android=" android:layout_width="wrap_content" android:layout_height="wrap_content" android:orientation="horizontal" android:layout_alignparentbottom="true"> <ImageView android:layout_width="wrap_content" android:layout_height="wrap_content" android:adjustviewbounds="true" android:maxwidth="80dp" android:maxheight="80dp" android:scaletype="fitcenter" android:paddingleft="3dp" android:paddingright="3dp" android:paddingtop="3dp" android:paddingbottom="3dp" <LinearLayout android:layout_width="fill_parent" android:layout_height="wrap_content" android:orientation="vertical" > <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="event Name" android:textsize="16sp" /> <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignparentright="true" android:layout_alignparentbottom="true" android:ellipsize="marquee" android:singleline="true" android:text="event Date" android:textsize="12sp" /> </LinearLayout> </LinearLayout> Final Year Project Page 31

32 @Override public View getview(int position, View convertview, ViewGroup parent) { ImageHelper hlp = new ImageHelper(); if (convertview == null) { LayoutInflater vi; vi = LayoutInflater.from(getContext()); convertview = vi.inflate(r.layout.event_list_item, null); Event p = getitem(position); System.out.println(position); if (p!= null) { ImageView tt1 = (ImageView) convertview.findviewbyid(r.id.icon); String category = p.getcategory(); Bitmap largeicon = BitmapFactory.decodeResource(getContext().getResources(), getimage(category)); largeicon = hlp.getroundedcornerbitmap(largeicon, 500); tt1.setimagebitmap(largeicon); TextView tt2 = (TextView) convertview.findviewbyid(r.id.event_time); TextView tt3 = (TextView) convertview.findviewbyid(r.id.event_title); if (tt2!= null) tt2.settext(p.getfulldate()); } if (tt3!= null) tt3.settext(p.gettitle()); } } return public void notifydatasetchanged(){ this.setnotifyonchange(false); this.sort(new Comparator<Event>() public int compare(event lhs, Event rhs) { System.out.println(lhs.getScore() - rhs.getscore()); return (rhs.getscore() - lhs.getscore()); } }); this.setnotifyonchange(true); super.notifydatasetchanged(); } Final Year Project Page 32

33 Page 33

34 Page 34

35 locationlistener = new LocationListener() public void onlocationchanged(location loc) { location.setlatitude(loc.getlatitude()); location.setlongitude(loc.getlongitude()); public void onproviderdisabled(string provider) { System.out.println(provider + " disabled"); public void onproviderenabled(string provider) { System.out.println(provider + " enabled"); public void onstatuschanged(string provider, int status, Bundle extras) {} }; locationmanager = (LocationManager) getactivity().getsystemservice(context.location_service); try{ locationmanager.requestlocationupdates(locationmanager.gps_provider, 0, 0, locationlistener); locationmanager.requestlocationupdates(locationmanager.network_provider, 0, 0, locationlistener); location = locationmanager.getlastknownlocation(locationmanager.network_provider); } catch(securityexception e){ } Final Year Project Page 35

36 from django.conf.urls import include, url from django.contrib import admin admin.autodiscover() import hello.views urlpatterns = [ url(r'^$', hello.views.index, name='index'), url(r'^db', hello.views.db, name='db'), url(r'^admin/', include(admin.site.urls)), url(r'^event/join/', hello.views.join_event), url(r'^event/leave/', hello.views.leave_event), url(r'^event/create/', hello.views.create_event), url(r'^event/delete/', hello.views.delete_event), url(r'^event/all/', hello.views.get_all_events), url(r'^event/available/', hello.views.get_available_events), url(r'^user/events/', hello.views.user_events), url(r'^user/attending/', hello.views.user_attending), url(r'^user/update/description/', hello.views.update_description), url(r'^user/update/likes/', hello.views.update_likes), url(r'^user/update/interests/', hello.views.update_interests), url(r'^user/friends/', hello.views.user_friends), url(r'^user/', hello.views.user), url(r'^event/', hello.views.get_event) ] def user_attending(request): events = db['events'] req = json.loads(request.body) cursor = events.find({'attendees' : req['userid']}) data = list() for document in cursor: data.append(document) return HttpResponse(json_util.dumps(data)) Final Year Project Page 36

37 Page 37

38 Page 38

39 location = event['location'] #location of event user_location = req['location'].split(',') user_location = (float(user_location[0]), float(user_location[1])) distance = great_circle(user_location, location).miles location_score = / (distance ** (1. / 3.)) event['score'] = event['score'] + location_score * sensitivity /50 Final Year Project Page 39

40 Page 40

41 creator = event['creator'] creator_cursor = users.find({"userid": creator}) C_profile = creator_cursor[0] for tag_c in C_profile['tags']: c_like = str(tag_c['name'].encode("utf-8")) c_like = c_like[2:-1] c_likes+=c_like c_likes+=" " vect = sklearn.feature_extraction.text.tfidfvectorizer(min_df=1) tfidf = vect.fit_transform([mylikes, c_likes]) similarity = (tfidf * tfidf.t).a score = 100 * similarity[(0,1)] event['score'] = event['score'] + score Final Year Project Page 41

42 Page 42

43 Page 43

44 Page 44

45 Page 45

46 Page 46

47 Page 47

48 Page 48

49 Recommender System references Final Year Project Page 49

CSIS 0801 FINAL YEAR PROJECT

CSIS 0801 FINAL YEAR PROJECT Development of a Novel Big Data App for Hong Kong Supervisor: Dr. Cheng Reynold APRIL 17, 2016 LUKASZ ZAJACZKOWSKI, KAUSHAL SILVA R.P, VIKAY NARAYEN Acknowledgements First