5.6 MainActivity Class

This app consists of six classes:

  • MainActivity (discussed below)—This is the parent Activity for the app’s Fragments.

  • MainActivityFragment (Section 5.7)—Manages the DoodleView and accelerometer event handling.

  • DoodleView (Section 5.8)—Provides the drawing, saving and printing capabilities.

  • ColorDialogFragment (Section 5.9)—A DialogFragment that’s displayed when the user chooses the option to set the drawing color.

  • LineWidthDialogFragment (Section 5.10)—A DialogFragment that’s displayed when the user chooses the option to set the line width.

  • EraseImageDialogFragment (Section 5.11)—A DialogFragment that’s displayed when the user chooses the option to erase, or shakes the device to erase, the current drawing.

Class MainActivity ...

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