Blackberry JAVA DEVELOPMENT ENVIRONMENT - - CRYPTOGRAPHIC SMART CARD DRIVER - DEVELOPMENT GUIDE Anleitung zur Fehlerbehebung PDF herunterladen (Seite 149)

149

9: Managing applications

Listen for changes to IT policies

Code example: Listening for changes to IT policies

Example: ITPolicyDemo.java

/**

* ITPolicyDemo.java

package com.rim.samples.docs.itpolicy;

import net.rim.device.api.system.*;

import net.rim.device.api.itpolicy.*;

public class ITPolicyDemo extends Application implements GlobalEventListener {

public static void main(String[] args) {

ITPolicyDemo app = new ITPolicyDemo();

app.enterEventDispatcher();

}

ITPolicyDemo() {

this.addGlobalEventListener(this);

boolean appEnabled = ITPolicy.getBoolean(“DemoAppEnabled”, true);

System.out.println(“App Enabled: “ + appEnabled);

System.exit(0);

}

public void eventOccurred(long guid, int data0, int data1, Object obj0, Object obj1) {

if (guid == ITPolicy.GUID_IT_POLICY_CHANGED ) {

String security = ITPolicy.getString(“DemoSecurityLevel”);

boolean appEnabled = ITPolicy.getBoolean(“DemoAppEnabled”, true);

int retries = ITPolicy.getInteger(“DemoAppRetries”, 10);

}

Managing code modules

A code module is a .cod file, the compiled archive of a single project in the BlackBerry® Integrated Development

Environment.

To retrieve information about and manage code modules on the BlackBerry device, use the CodeModuleManager

class in the

net.rim.device.api.system package.

Task Steps

Enable an application to use IT

policies.

> Implement the GlobalEventListener interface.

Identify changes in IT policies. > Implement GlobalEventListener.eventOccurred().

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Blackberry JAVA DEVELOPMENT ENVIRONMENT - - CRYPTOGRAPHIC SMART CARD DRIVER - DEVELOPMENT GUIDE Anleitung zur Fehlerbehebung Seite 149