Android Recipes: A Problem-Solution Approach for Android 5.0, Fourth Edition

Inside the activity, a ListView is set up to show three sections: fruits, vegetables, and meats. The SimpleSectionsAdapter takes two resource IDs of the layouts that the adapter should inflate for headers and content. The header layout in this example is a custom layout centering a single TextView, while the content layout is a standard layout from the framework (android.R.id.simple_list_item_1). Since the adapter is abstract, we are required to provide a definition of onSectionClick(), which in this case just displays the name of the selected item in a Toast.

1-10. Creating Compound Controls

Problem

You need to create a custom widget that is a collection of existing elements.

Solution

(API Level 1)

Create a custom widget by extending a common ...