1. Android
by Bram Vandeputte
Friday 15 October 2010

2. Inleiding
• Wat ?
• Verzameling van software-componenten
• Voor mobiele toestellen
• Open Source
• Bevat :
• Besturingssysteem
• Middleware
• Standaard applicaties
Friday 15 October 2010

3. Inleiding
• Ontwikkelen
• Java
• Android SDK
• emulator
• tools
• API’s
• Externe API’s : Google API
• Eclipse plug-in
Friday 15 October 2010

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 15 October 2010

5. Architectuur
Friday 15 October 2010

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 15 October 2010

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 15 October 2010

8. Basics (bis)
• AndroidManifest : omschrijving applicatie
• Layout
• Resources
Friday 15 October 2010

9. Basics (bis)
• AndroidManifest : omschrijving applicatie
• Layout
• Resources
Friday 15 October 2010

10. Basics (bis)
• AndroidManifest : omschrijving applicatie
• Layout
• Resources
Friday 15 October 2010

11. Basics (bis)
• AndroidManifest : omschrijving applicatie
• Layout
• Resources
Friday 15 October 2010

12. Basics (bis)
• AndroidManifest : omschrijving applicatie
• Layout
• Resources
Friday 15 October 2010

13. Basics (bis)
• AndroidManifest : omschrijving applicatie
• Layout
• Resources
Friday 15 October 2010

14. Basics (bis)
• AndroidManifest : omschrijving applicatie
• Layout
• Resources
Friday 15 October 2010

15. Component Lifecycles
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16. Activity
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17. Service
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18. Getting Started
• Get :
• android-sdk-<your platform>
• Add Android 2.2 platform
• eclipse + ADT plugin
• Links : http://bit.ly/af8h7z
Friday 15 October 2010

19. Hello Android
Friday 15 October 2010

20. Hello Android
• app :
• http://developer.android.com/guide/tutorials/hello-world.html
• Init : maak een AVD
• emulator :
• export PATH=${PATH}:/MY/PATH/TO/THE/android-sdk/tools/
• emulator
Friday 15 October 2010

21. Hello Android
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22. Hello Android
• tools :
• debugging (Eclipse)
• adb
• set PATH
• adb shell
• sqlite3 data
• .dump
• LogCat
Friday 15 October 2010

23. Notepad tutorial
• http://developer.android.com/guide/tutorials/notepad
• http://bit.ly/android-tutorial
• Exercise 1
• Exercise 2
• optional :
• Exercise 3
• Extra credit (debugging)
• uitbreiding
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24. MyGpsApp
• gps mock data
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25. MyGpsApp
• opbouw
• create textview
• LocationManager & LocationListener
• permissions : AndroidManifest.xml
• update textview
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26. MyGpsApp
• Add Google Maps
• http://developer.android.com/guide/tutorials/views
Friday 15 October 2010

27. Extra
• http://developer.android.com/guide
• API demos
• http://www.anddev.org
• sdcard
Friday 15 October 2010