ISC 250 - A3B

Will Schell's ISC 250 Programming Through Mobile App Development

Assignment 3B

The assignment:
In version B of "vocabulary of things" you will replace the array of names with an ArrayList of Java objects. Each object will have

a name
a URL of a site with information about that object

click on the images below to view the assignment

Each image shows that when you click on a persons name, it will display the characters's wikipedia page as well as what it did in VocabularyVa(previous assignment.

class example

my example

Concepts

ListActivity — an Activity to manage a list of "items"
ListView — a special view group which manages interaction with a data list.
ArrayAdapter — "adapt" an interface between a data array and a ListView

Adapter interface
ListAdapter interface
BaseAdapter class
ArrayAdapter class

listener — an object with prescribed properties which will be "manipulated" when events of interest occur.
AdapterView.OnItemClickListener is an example.
findViewById — "inflate" a View from an XML source.

Previously encountered concepts:

onCreate — called when this activity is first created.
setContentView — "inflate" (a view or tree of views contained in a layout) to be the View of this activity.