Android How to Program, 3/e

5.1 Introduction

The Doodlz app enables you to paint by dragging one or more fingers across the screen (Fig. 5.1). The app provides options for setting the drawing color and line width. Additional options allow you to

Fig. 5.1 Doodlz app with a finished drawing

• clear the screen

• save the current drawing on your device, and

• print the current drawing.

Depending on your device’s screen size, some or all of the app’s options are displayed as icons directly on the app bar—any that do not fit are displayed as text in the overflow options menu () that ...