Starbuzz

Chapter 7 - Head First Android Development exercises

BULLET-POINTS

• Sort your ideas for activities into top-level activities, category activities, and detail/edit activities. Use the category activities to navigate from the top-level activities to the detail/ edit activities.

• A list view displays items in a list. Add it to your layout using the ListView element.

• Use android:entries in your layout to populate the items in your list views from an array defined in strings.xml.

• An adapter acts as a bridge between an AdapterView and a data source. ListViews and Spinners are both types of AdapterView.

• An ArrayAdapter is an adapter that works with arrays.

• Handle click events on Buttons using android:onClick in the layout code. Handle click events elsewhere by creating a listener and implementing its click event.