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CMPT 381 Assignment 3
Android Basics, Touch Interaction, Multiple Views
Due: Friday, March 13, 11:59pm (handin closes Sunday, March 15, 11:59pm)
Overview
In this assignment you will build an interactive Android application in stages. The application is a Chart Extractor, used to reverseengineer
the data in an XY chart from a picture of the chart. Part 1 covers Android versions of basic GUI components that have
already been introduced in class, such as menus, widgets, layout, and custom drawing; it also introduces a few new Android
concepts such as Intents. Part 2 covers the design of interaction techniques for the main screen of the data-extraction application
(there are two main interactions: adjusting the chart’s bounds, and placing and adjusting the chart points). Part 3 involves a second
view that is a scaled version of the main view, to assist the user in making accurate adjustments of the chart points (i.e., overcoming
the “fat finger” problem).