J2me-list class, TextBox class, Ticker class

1. The list class displays a list of options on the screen that allow users to select 1 or more options from these options. The list class does not require a container such as a form class instance, and can be directly setcurrent (mylist). The list class has the following 3 forms:

1) radio button:

When a user selects an option in a list, a command event is not automatically generated

2) Check button

When a user selects an option in a list, a command event is not automatically generated

3 An implicit list that does not use radio buttons and check box icons:

A. Suitable for the menu, each list item is a menu item.

The B.list object is in the form of implicit

C. When a user selects an option for a list, a command event is automatically generated. This command is marked as List.select_commnad, and then the command is processed in Commandaction ().

2. The TextBox class is similar to textfiled, but a form class instance cannot contain a TextBox class instance.

3. Ticker class scrolls text horizontally for the screen