Application Development for Mobile and Ubiquitous ...ts2/admuc/seminar1314/final/gro… · Seminar...
Transcript of Application Development for Mobile and Ubiquitous ...ts2/admuc/seminar1314/final/gro… · Seminar...
![Page 1: Application Development for Mobile and Ubiquitous ...ts2/admuc/seminar1314/final/gro… · Seminar Task Final Presentation . Campus Navigator - Agenda 1. Recap: CampusNavigator 2.](https://reader033.fdocuments.in/reader033/viewer/2022060320/5f0ce7647e708231d437b4a1/html5/thumbnails/1.jpg)
Department of Computer Science Institute for System Architecture, Chair for Computer Networks
GroupNo. 9 Team: Beatrycze Kmiec, Joachim Fritzsch
Application Development for Mobile and Ubiquitous Computing
Seminar Task
Final Presentation
![Page 2: Application Development for Mobile and Ubiquitous ...ts2/admuc/seminar1314/final/gro… · Seminar Task Final Presentation . Campus Navigator - Agenda 1. Recap: CampusNavigator 2.](https://reader033.fdocuments.in/reader033/viewer/2022060320/5f0ce7647e708231d437b4a1/html5/thumbnails/2.jpg)
Campus Navigator - Agenda
1. Recap: CampusNavigator
2. Architecture & Technologies
3. Pitfall: Google Maps API & Navigation
4. Mobile Computing Challenges
5. Adaptation & Context
6. Extensibility
7. Lessons Learned
2 Application Development - Second Seminar Presentation
![Page 3: Application Development for Mobile and Ubiquitous ...ts2/admuc/seminar1314/final/gro… · Seminar Task Final Presentation . Campus Navigator - Agenda 1. Recap: CampusNavigator 2.](https://reader033.fdocuments.in/reader033/viewer/2022060320/5f0ce7647e708231d437b4a1/html5/thumbnails/3.jpg)
Recap: CampusNavigator
Campus Navigator
§ Help visitors/freshmen/rookies to find their way on large campuses
§ Define Campus in XML to make the application extensible to any campus
§ Users shall be able to search for buildings by name, address or shortcut and see it on a map
§ Show navigation route between current position and destination
§ Let users download Campuses from a web source within the application
3 Application Development - Second Seminar Presentation
![Page 4: Application Development for Mobile and Ubiquitous ...ts2/admuc/seminar1314/final/gro… · Seminar Task Final Presentation . Campus Navigator - Agenda 1. Recap: CampusNavigator 2.](https://reader033.fdocuments.in/reader033/viewer/2022060320/5f0ce7647e708231d437b4a1/html5/thumbnails/4.jpg)
Recap: CampusNavigator
Use case diagram
4 Application Development - Second Seminar Presentation
-> all implemented
![Page 5: Application Development for Mobile and Ubiquitous ...ts2/admuc/seminar1314/final/gro… · Seminar Task Final Presentation . Campus Navigator - Agenda 1. Recap: CampusNavigator 2.](https://reader033.fdocuments.in/reader033/viewer/2022060320/5f0ce7647e708231d437b4a1/html5/thumbnails/5.jpg)
Architecture and Technologies
5 Application Development - Second Seminar Presentation
![Page 6: Application Development for Mobile and Ubiquitous ...ts2/admuc/seminar1314/final/gro… · Seminar Task Final Presentation . Campus Navigator - Agenda 1. Recap: CampusNavigator 2.](https://reader033.fdocuments.in/reader033/viewer/2022060320/5f0ce7647e708231d437b4a1/html5/thumbnails/6.jpg)
Pitfall: Google Maps API & Navigation
Google Maps API
§ Initial design planned navigation controllable within the app. Google Maps was to be embedded.
§ Pitfall: Google Map API does not expose navigation functionality!
§ Solution: Redirecting user to Google Maps, using an Android Intent including the users selected data:
• // start google maps • final Intent intent = new Intent(Intent.ACTION_VIEW, • Uri.parse("http://maps.google.com/maps?" + "saddr=" • + latitudeCurr + "," + longitudeCurr + "&daddr=" • + latitudeTar + "," + longitudeTar)); • intent.setClassName("com.google.android.apps.maps", • "com.google.android.maps.MapsActivity"); • startActivity(intent);
6 Application Development - Second Seminar Presentation
![Page 7: Application Development for Mobile and Ubiquitous ...ts2/admuc/seminar1314/final/gro… · Seminar Task Final Presentation . Campus Navigator - Agenda 1. Recap: CampusNavigator 2.](https://reader033.fdocuments.in/reader033/viewer/2022060320/5f0ce7647e708231d437b4a1/html5/thumbnails/7.jpg)
Pitfall: Google Maps API & Navigation
7 Application Development - Second Seminar Presentation
CampusNavigator Google Maps
(data pre-populated)
![Page 8: Application Development for Mobile and Ubiquitous ...ts2/admuc/seminar1314/final/gro… · Seminar Task Final Presentation . Campus Navigator - Agenda 1. Recap: CampusNavigator 2.](https://reader033.fdocuments.in/reader033/viewer/2022060320/5f0ce7647e708231d437b4a1/html5/thumbnails/8.jpg)
Mobile Computing Challanges
8 Application Development - Second Seminar Presentation
1. Heterogeneity of resources • support devices with and without GPS • Google Location Service API aggregates sources (cell tower, Wi-
Fi and GPS triangulation)
2. Limitation of device resources • only locate while app in focus, saves power
3. Heterogeneity of software • compatible for Android 2.3 and all higher
![Page 9: Application Development for Mobile and Ubiquitous ...ts2/admuc/seminar1314/final/gro… · Seminar Task Final Presentation . Campus Navigator - Agenda 1. Recap: CampusNavigator 2.](https://reader033.fdocuments.in/reader033/viewer/2022060320/5f0ce7647e708231d437b4a1/html5/thumbnails/9.jpg)
Mobile Computing Challanges
9 Application Development - Second Seminar Presentation
4. Limitation of input devices • select from list rather than type
![Page 10: Application Development for Mobile and Ubiquitous ...ts2/admuc/seminar1314/final/gro… · Seminar Task Final Presentation . Campus Navigator - Agenda 1. Recap: CampusNavigator 2.](https://reader033.fdocuments.in/reader033/viewer/2022060320/5f0ce7647e708231d437b4a1/html5/thumbnails/10.jpg)
Mobile Computing Challanges
10 Application Development - Second Seminar Presentation
5. Heterogeneity of output devices • Optimize layout for different screen sizes
Small Screen:
i.e. Smartphone
Selection as pop-up Dialog over Map-Fragment
User can show map (closing the Dialog) or navigate (forward to Google Maps)
![Page 11: Application Development for Mobile and Ubiquitous ...ts2/admuc/seminar1314/final/gro… · Seminar Task Final Presentation . Campus Navigator - Agenda 1. Recap: CampusNavigator 2.](https://reader033.fdocuments.in/reader033/viewer/2022060320/5f0ce7647e708231d437b4a1/html5/thumbnails/11.jpg)
Mobile Computing Challanges
11 Application Development - Second Seminar Presentation
5. Heterogeneity of output devices • Optimize layout for different screen sizes
Large Screen:
i.e. Tablet
Selection- and Map-Fragments next to each other
Button to hide Selection Fragment
Map listens to changes in Selection and adapts automatically
![Page 12: Application Development for Mobile and Ubiquitous ...ts2/admuc/seminar1314/final/gro… · Seminar Task Final Presentation . Campus Navigator - Agenda 1. Recap: CampusNavigator 2.](https://reader033.fdocuments.in/reader033/viewer/2022060320/5f0ce7647e708231d437b4a1/html5/thumbnails/12.jpg)
Mobile Computing Challanges
12 Application Development - Second Seminar Presentation
6. Change of screen orientation • Offer optimized layouts for portrait and landscape mode
portrait
landscape
![Page 13: Application Development for Mobile and Ubiquitous ...ts2/admuc/seminar1314/final/gro… · Seminar Task Final Presentation . Campus Navigator - Agenda 1. Recap: CampusNavigator 2.](https://reader033.fdocuments.in/reader033/viewer/2022060320/5f0ce7647e708231d437b4a1/html5/thumbnails/13.jpg)
Adaption & Context
13 Application Development - Second Seminar Presentation
Pre-select closest campus, -> context aware • Could be further improved, by pre-selecting closest building
Closest campus: TU Dresden
![Page 14: Application Development for Mobile and Ubiquitous ...ts2/admuc/seminar1314/final/gro… · Seminar Task Final Presentation . Campus Navigator - Agenda 1. Recap: CampusNavigator 2.](https://reader033.fdocuments.in/reader033/viewer/2022060320/5f0ce7647e708231d437b4a1/html5/thumbnails/14.jpg)
Extensibility
14 Application Development - Second Seminar Presentation
Download campus from web source • Any organization can make use of CampusNavigator
Download of example AUDI campus
![Page 15: Application Development for Mobile and Ubiquitous ...ts2/admuc/seminar1314/final/gro… · Seminar Task Final Presentation . Campus Navigator - Agenda 1. Recap: CampusNavigator 2.](https://reader033.fdocuments.in/reader033/viewer/2022060320/5f0ce7647e708231d437b4a1/html5/thumbnails/15.jpg)
Lessons Learned
1. Optimizing layouts is tedious!
2. Last 10% take 90% of the development time!
15 Application Development - Second Seminar Presentation
![Page 16: Application Development for Mobile and Ubiquitous ...ts2/admuc/seminar1314/final/gro… · Seminar Task Final Presentation . Campus Navigator - Agenda 1. Recap: CampusNavigator 2.](https://reader033.fdocuments.in/reader033/viewer/2022060320/5f0ce7647e708231d437b4a1/html5/thumbnails/16.jpg)
Thank you!
You can download CampusNavigator…
16 Application Development - Second Seminar Presentation
http://fridgelike.com/admuc/CampusNavigator.apk