Blackberry JAVA DEVELOPMENT ENVIRONMENT - - GPS AND MAPS - DEVELOPMENT GUIDE Uživatelský manuál stáhnout pdf (Strana 8)

Image creation

You can add an image to your application from a bitmap or an encoded image by using the Image API that is provided in the

net.rim.device.api.ui.image package. For example, you can use an Image as an icon in a menu item.

For more information about the Image API, see the API reference for the BlackBerry® Java® Development Environment.

Menu customization

You can customize a menu in your BlackBerry® device application.

Customization Description

background, border, and font You can specify a custom background, border, and font for a menu in your application

by using the Menu.setBackground, Menu.setBorder, and

Menu.setFont methods in the net.rim.device.api.ui.component

package.

menu icons You can add an icon to a menu item in your BlackBerry device application by using

the MenuItem.setIcon method in the net.rim.device.api.ui package.

To download a sample application that demonstrates how to customize a menu, visit www.blackberry.com/go/menusample. For

more information on customizing menus, see the BlackBerry Java Application UI and Navigation Development Guide and the

API reference for the BlackBerry® Java® Development Environment.

Picker dialog boxes

You can use picker dialog boxes to help users choose an item from a list.

Feature and Technical Overview

Screen and UI

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Blackberry JAVA DEVELOPMENT ENVIRONMENT - - GPS AND MAPS - DEVELOPMENT GUIDE Uživatelský manuál Strana 8