Blackberry JAVA DEVELOPMENT ENVIRONMENT - - CRYPTOGRAPHIC SMART CARD DRIVER - DEVELOPMENT GUIDE Průvodce řešením problémů stáhnout pdf (Strana 27)

1: Creating UIs

Code sample: Creating a custom context menu

Example: ContextMenuSample.java

/**

* ContextMenuSample.java

package com.rim.samples.docs.contextmenus;

import net.rim.device.api.i18n.*;

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

import net.rim.device.api.ui.component.*;

import net.rim.device.api.ui.container.*;

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

import com.rim.samples.docs.resource.*;

public class ContextMenuSample extends UiApplication implements ContextMenuSampleResource

{

private MyContextField myContextField;

private static ResourceBundle _resources = ResourceBundle.getBundle(

ContextMenuSampleResource.BUNDLE_ID,

ContextMenuSampleResource.BUNDLE_NAME);

public static void main(String[] args) {

ContextMenuSample app = new ContextMenuSample();

app.enterEventDispatcher();

}

// Inner class to define a new field.

private static class MyContextField extends RichTextField {

private MenuItem myContextMenuItemA = new MenuItem(

_resources, MENUITEM_ONE, 200000, 10) {

public void run() {

onMyMenuItemA();

}

};

private MenuItem myContextMenuItemB = new MenuItem(

_resources, MENUITEM_TWO, 200000, 10) {

public void run() {

onMyMenuItemB();

}

};

private void onMyMenuItemA() {

// Perform an action when user selects menu item.

}

private void onMyMenuItemB() {

// Perform an action when user selects menu item.

}

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Blackberry JAVA DEVELOPMENT ENVIRONMENT - - CRYPTOGRAPHIC SMART CARD DRIVER - DEVELOPMENT GUIDE Průvodce řešením problémů Strana 27