1. Intern: Diogo Pereira – Nr. 1101007
ISEP Coordinator: Alberto Sampaio
External Supervisor: Rui Silva
Instituto Superior
de Engenharia do Porto

2. “I have always wished for my
computer to be as easy to use as my
phone.
My wish has come true because I
can no longer figure out how to use
my telephone.”
- Bjarne Stroustrup

3. Diogo Pereira
• Internship objectives
• Organization
• Application – VPorto
• Android technology
• Developed features
• Conclusion
Instituto Superior
de Engenharia do Porto
2 / 12

4. Diogo Pereira
• Application of acquired knowledge on the degree
– Develop using Java, XML, JSON and webservices;
• Acquire experience working in a company
– Use SourceTree software to work with Git;
– Working on a new team;
• Develop an android application
Instituto Superior
de Engenharia do Porto
3 / 12

5. Diogo Pereira
Around Knowledge started its activities in 2009
• ISCTE/MIT Portugal Venture Competition in 2010
• GSI – Accelerators Startup Challenge in 2011.
• StartMeUp by U. Nova Lisboa and U.S. embassy in 2013
4 / 12
Instituto Superior
de Engenharia do Porto

6. Diogo Pereira
“The official city guide for all those who live, visit
and vibrate in the city of Porto”
www.vporto.comVPorto
What is VPorto?
5 / 12
Instituto Superior
de Engenharia do Porto

7. Diogo Pereira
• Open source
• Created by Open Handset Alliance (OHA)
– Google, HTC, Texas Instrument
• Based on a Linux 2.6 kernel
– No native windows
– No GNU/Linux native tools
• Uses Java, but it is not Java
– Implements part of the Java5 SE specification
– Runs on a dalvik virtual machine
6 / 12
Instituto Superior
de Engenharia do Porto

8. Diogo Pereira
Features assigned to me:
• Location Manager
• Routes management
• Memory Leaks
• Transactions animations
7 / 12
Instituto Superior
de Engenharia do Porto

9. Diogo Pereira
Location Manager
• Service provider
– GPS Provider
– Network Provider
• Last known location
8 / 12
Instituto Superior
de Engenharia do Porto

10. Diogo Pereira
Routes
• Layout to hold a dynamic list of adapters, each one with
pictures and names of the Points of Interest (POI)
• Fetching route information from webservices
• Create and manage a personal routes
• Manage POIs from routes
• View routes in map
9 / 12
Instituto Superior
de Engenharia do Porto

11. Diogo Pereira
Memory Leaks
• Dalvik Debug Monitor Server (DDMS)
• Drawable / Bitmap
• Bitmap decoder
10 / 12
Instituto Superior
de Engenharia do Porto

12. Diogo Pereira
Transactions animations
• Object Animator (above Android API 10)
• Navigation issues
11 / 12
Instituto Superior
de Engenharia do Porto

13. Diogo Pereira
• All features developed
• All application versions submitted
• New language learned
• Good working experience
12 / 12
Instituto Superior
de Engenharia do Porto

14. Diogo Pereira
Instituto Superior
de Engenharia do Porto
(demo video)

15. Diogo Pereira
Instituto Superior
de Engenharia do Porto
Questions