Android Workshop Day 3 Business Logic

1. Android Workshop Day 3
Implementing Business Logic
Senad Uka
May 2014

2. Get it!
● http://mhalka.com/

3. Contents
● Goal of day 3
● Event handlers
● Threads
● Security model
● Storage options

4. Goal of Day 3
● To have a functional application

5. Event handlers
● Object of a certain interface
● Anonymous or named class
● More than one object

6. Event handlers

7. Event handlers

8. Threads
● All UI operations are in single thread
(main)
● UI elements are not thread safe

9. Threads
● Do not block the UI thread
● Do not access the Android UI toolkit
from outside the UI thread

10. Threads - AsyncTask

11. Threads - AsyncTask

12. Security model
● Apps sandboxed
● App private data
● Permissions
● “Rooting”

13. Security model – AppManifest.xml

14. Storage options
● Shared Preferences
● Internal Storage
● External Storage
● SQLite Databases
● Network Connection