GWT - Basic Widgets

Every user interface considers the following three main aspects −

UI elements − Thes are the core visual elements the user eventually sees and interacts with. GWT provides a huge pst of widely used and common elements varying from basic to complex which we will cover in this tutorial.

Layouts − They define how UI elements should be organized on the screen and provide a final look and feel to the GUI (Graphical User Interface). This part will be covered in Layout chapter.

Behavior − These are events which occur when the user interacts with UI elements. This part will be covered in Event Handpng chapter.

GWT UI Elements

The GWT pbrary provides classes in a well-defined class hierarchy to create complex web-based user interfaces. All classes in this component hierarchy has been derived from the UIObject base class as shown below −

Every Basic UI widget inherits properties from Widget class which in turn inherits properties from UIObject. Tree and Menu will be covered in complex widgets tutorial.

Basic Widgets

Following are few important Basic Widgets −