The document contains notes from a presentation on various Android development topics including: - Passing data between activities using intents, public static fields, HashMaps, and the application class. - Handling configuration changes such as screen rotation using onRetainNonConfigurationInstance(), onSaveInstanceState(), and storing data in bundles. - Creating custom list adapters including SectionedListAdapter and MultipleListAdapter. - Additional links are provided for image loading, shelving content, and Android resources.

1. Johan Nilsson johan@markupartist.com @johanni

3. STHLM Traveling http://markupartist.com/sthlmtraveling/

5. Help the developer http://www.cyrket.com/package/com.xtralogic.android.logcollector

6. Search in one of Swedens largest liquor databases iglaset.se with comments and ratings.

8. Demo

13. List Adapters

14. SectionedListAdapter Idea by Jeff Sharkey http://jsharkey.org/blog/2008/08/18/separating-lists-with-headers-in-android-09/ Refactored version at http://github.com/commonsguy/cw-advandroid/blob/master/ListView/Sections/src/com/commonsware/android/listview/SectionedAdapter.java

15. SectionedListAdapter

16. MultipleListAdapter http://github.com/johannilsson/sthlmtraveling/blob/master/src/com/markupartist/sthlmtraveling/MultipleListAdapter.java mMultipleAdapter = new MultipleListAdapter(); mMultipleAdapter.addAdapter(ADAPTER_FIRST, mFirstAdater); mMultipleAdapter.addAdapter(ADAPTER_SECOND, mSecondAdapter); mMultipleAdapter.addAdapter(ADAPTER_THIRD, mThirdAdapter);

17. MultipleListAdapter

18. Paginating Adapter http://github.com/johannilsson/iglaset/blob/master/src/com/markupartist/iglaset/activity/SearchResultActivity.java#L161

19. Screen rotation When switching from portrait to landscape mode or vice-versa, the activity's onDestroy() and onCreate() will be called Rotate the emulator by pressing Ctrl + F12

23. Thank you [email_address] @johanni See you at the Android Hackathon at bwin 28/11