1. Android
by Bram Vandeputte
Friday 14 October 2011

2. Inleiding
• Wat ?
• Verzameling van software-componenten
• Voor mobiele toestellen
• Open Source
• Bevat :
• Besturingssysteem
• Middleware
• Standaard applicaties (o.a. Market)
Friday 14 October 2011

3. Inleiding
• Ontwikkelen
• Java
• Android SDK
• emulator
• tools
• API’s
• Externe API’s : Google API
• Eclipse plug-in
Friday 14 October 2011

4. Features
• Application framework : enables reuse and replacement of
components
• Dalvik virtual machine : optimized for mobile devices
• Integrated browser based on the open source WebKit engine
• Optimized graphics : custom 2D graphics library; 3D graphics
based on the OpenGL ES 1.0 specification (hardware acceleration
optional)
• SQLite for structured data storage
• Media support for common audio, video, and still image formats
(MPEG4, H.264, MP3, AAC, AMR, JPG, PNG, GIF)
• hardware dependent : GSM Telephony, Bluetooth, EDGE, 3G, WiFi,
Camera, GPS, compass, and accelerometer.
Friday 14 October 2011

5. Architectuur
Friday 14 October 2011

6. Basics : Componenten
• App : no single entry point (main)
• Activity : scherm
• bestaat uit Views
• reageert op Events
• Service : geen UI (bvb. music playback)
• Broadcast Receiver : ontvang & reageer
• Content provider : data delen
Friday 14 October 2011

7. Basics
• Componenten activeren :
• Intent : asynchrone berichten
• Om Activity, Service of Broadcast Receiver aan te spreken
• Intent filters
• Content Resolver
• Om Content Provider aan te spreken
Friday 14 October 2011

8. Basics (bis)
• AndroidManifest : omschrijving applicatie
• Layout
• Resources
Friday 14 October 2011

9. Basics (bis)
• AndroidManifest : omschrijving applicatie
• Layout
• Resources
Friday 14 October 2011

10. Basics (bis)
• AndroidManifest : omschrijving applicatie
• Layout
• Resources
Friday 14 October 2011

11. Basics (bis)
• AndroidManifest : omschrijving applicatie
• Layout
• Resources
Friday 14 October 2011

12. Basics (bis)
• AndroidManifest : omschrijving applicatie
• Layout
• Resources
Friday 14 October 2011

13. Basics (bis)
• AndroidManifest : omschrijving applicatie
• Layout
• Resources
Friday 14 October 2011

14. Basics (bis)
• AndroidManifest : omschrijving applicatie
• Layout
• Resources
Friday 14 October 2011

15. Component Lifecycles
Friday 14 October 2011

16. Activity
Friday 14 October 2011

17. Service
Friday 14 October 2011

18. Getting Started
• Get :
• android-sdk-<your platform>
• Add Android 2.3 platform
• eclipse + ADT plugin
• Links : http://bit.ly/mume-android
Friday 14 October 2011

19. Hello Android
Friday 14 October 2011

20. Hello Android
• Init :
• Run Android Manager (run tools/android)
• maak een AVD
• emulator :
• export PATH=${PATH}:/MY/PATH/TO/THE/android-sdk/tools/
• run emulator
• app :
• http://developer.android.com/resources/tutorials/hello-world.html
Friday 14 October 2011

21. Hello Android
Friday 14 October 2011

22. Hello Android
• tools :
• debugging (Eclipse)
• adb (under platform-tools)
• set PATH
• adb shell
• sqlite3 data
• .dump
• LogCat
Friday 14 October 2011

23. Extra
• http://developer.android.com/guide
• API demos
• http://www.anddev.org
• sdcard
• versions : 2.3 vs 3.0 vs 4.0
Friday 14 October 2011

24. Friday 14 October 2011

25. Friday 14 October 2011

26. Friday 14 October 2011

27. Now let’s get coding
Friday 14 October 2011

28. Notepad tutorial
• http://bit.ly/android-tutorial
• Exercise 1
• Exercise 2
• optional :
• Exercise 3
• Extra credit (debugging)
• uitbreiding
Friday 14 October 2011

29. MyGpsApp
• gps mock data
Friday 14 October 2011

30. MyGpsApp
• opbouw
• create textview
• LocationManager & LocationListener
• permissions : AndroidManifest.xml
• update textview
Friday 14 October 2011

31. MyGpsApp
• Add Google Maps
• http://developer.android.com/guide/tutorials/views
Friday 14 October 2011

32. Maps API Key
• http://www.javacodegeeks.com/
2011/02/android-google-maps-
tutorial.html
• http://code.google.com/android/maps-
api-signup.html
Friday 14 October 2011