Organizing Activities and Intents in Your Application Using Menus

As previously mentioned, your application likely has a number of screens, each with its own Activity.There is a close relationship between menus,Activities, and Intents.You often see a menu used in two different ways with Activities and Intents:

■ Main Menu: Acts as a switch in which each menu item launches a different Activity in your application. For instance, menu items for launching the Play Game Activity, the High Scores Activity, and the Help Activity.

■ Drill-Down: Acts as a directory in which each menu item launches the same Activity, but each item passes in different data as part of the Intent (for example, a menu of all database records). Choosing a specific item might launch the Edit Record Activity, passing in that particular item's unique identifier.

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