Understand the basic structure of the user interface, for information, see Basic Structure of the Application User Interface.

Define the configuration of panes to use for the application’s window. For more information, see Defining Panes for the Application Window.

Define the different screens that the application displays. The screens are referred to as views. For more information, see Adding Views to the Application’s User Interface and Adding Content to a View.

Add listeners that wait for user-initiated events when a user interacts with controls you add to the view and take an action based on the user-initiated event. For more information, see Responding to user-initiated events.

Define templates if you want to customize and reuse user interface structures. For more information, see Using Templates to Define Custom Objects for a Mobile Project.