Android How to Program, 3/e

5.8 DoodleView Class

The DoodleView class (Sections 5.8.1–5.8.12) processes the user’s touches and draws the corresponding lines.

5.8.1 package Statement and import Statements

Figure 5.31 lists class DoodleView’s package statement and import statements. The new classes and interfaces are highlighted here. Many of these were discussed in Section 5.3, and the rest are discussed as we use them throughout class DoodleView.

Fig. 5.31 DooldleView package statement and import statements

Figure 5.31 Full Alternative Text

5.8.2 static and Instance Variables

Class DoodleView’s static and instance variables (Fig. 5.32) are used to manage the data for ...