Blackberry JAVA DEVELOPMENT ENVIRONMENT - - CRYPTOGRAPHIC SMART CARD DRIVER - DEVELOPMENT GUIDE Guia de Resolução de Problemas descarregar pdf (Página 147)

Managing applications

Application manager

The JVM on BlackBerry® devices includes an application manager that functions as the central dispatcher of

operating system events for other Java™ applications.

The net.rim.device.api.system.ApplicationManager class lets applications interact with the application

manager to perform the following actions:

• interact with processes, such as retrieving the IDs for foreground applications

• post global events to the system

• run an application immediately or at a specific time

Retrieve information about applications

Application manager

Retrieve information about applications

Communicate with other applications

Determine the services that are available to BlackBerry applications

Listen for changes to IT policies

Managing code modules

Runtime store

Share runtime objects

Task Steps

Retrieve information about the

processes that are running.

>Invoke ApplicationManager.getVisibleApplications().

ApplicationManager manager =

ApplicationManager.getApplicationManager();

ApplicationDescriptor descriptors[] =

manager.getVisibleApplications();

Retrieve descriptions of the objects for

the applications that are running.

>Invoke getName().

String appname1 = descriptors[0].getName();

Retrieve a description of the current

application.

>Invoke ApplicationDescriptor.currentApplicationDescriptor().

ApplicationDescriptor descriptor =

ApplicationDescriptor.currentApplicationDescriptor();

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Blackberry JAVA DEVELOPMENT ENVIRONMENT - - CRYPTOGRAPHIC SMART CARD DRIVER - DEVELOPMENT GUIDE Guia de Resolução de Problemas Página 147