Human–Computer Interaction

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Human–ComPuter InteraCtIon

7.3 Example of MVC Implementation 2: No Sheets

As a second example, we will illustrate parts of the implementation

code for the No Sheets application introduced in Chapter 4, as shown

in Figure7.5. e core of the model is music information, a list-based

data structure that contains the chord information for a piece of music

that is read from a user-selected file. Aside from the music informa-

tion itself, there may be other model variables such as the music file

name, tempo value, etc. us, the model information is updated by

and read from the view/controller objects.

e view/controller is composed of several Activity ...