/**
* NetworkAPIDemo.java
*
* Copyright � 1998-2011 Research In Motion Limited
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Note: For the sake of simplicity, this sample application may not leverage
* resource bundles and resource strings. However, it is STRONGLY recommended
* that application developers make use of the localization features available
* within the BlackBerry development platform to ensure a seamless application
* experience across a variety of languages and geographies. For more information
* on localizing your application, please refer to the BlackBerry Java Development
* Environment Development Guide associated with this release.
*/
package com.rim.samples.device.networkapidemo;
import net.rim.device.api.ui.Field;
import net.rim.device.api.ui.FieldChangeListener;
import net.rim.device.api.ui.UiApplication;
import net.rim.device.api.ui.component.ButtonField;
import net.rim.device.api.ui.container.MainScreen;
/**
* A sample application to demonstrate the Network API.
*
* Clicking the "Transport Info" button shows network transports availability
* and coverage. Obtaining a connection through available transports can be
* tested by clicking the "Connection Tests" button. The "UDP Client" button
* displays a screen which acts as a UDP client for the UDP server component
* found in the com.rim.samples.server.udpdemo directory.
*/
public final class NetworkAPIDemo extends UiApplication {
/**
* Entry point for application
*
* @param args
* Command line arguments (not used)
*/
public static void main(final String[] args) {
// Create a new instance of the application and make the currently
// running thread the application's event dispatch thread.
new NetworkAPIDemo().enterEventDispatcher();
}
/**
* Creates a new NetworkAPIDemo object
*/
public NetworkAPIDemo() {
// Display the main screen
pushScreen(new NetworkAPIDemoScreen());
}
/**
* The main application screen showing the "Transport Info" and
* "Connection Tests" buttons.
*/
private static class NetworkAPIDemoScreen extends MainScreen implements
FieldChangeListener {
private final ButtonField _transportInfoBtn;
private final ButtonField _connectionTestsBtn;
private final ButtonField _udpBtn;
private final UiApplication _uiApp;
/**
* Creates a new NetworkAPIDemoScreen object
*/
NetworkAPIDemoScreen() {
// Initialize UI components
setTitle("Network API Demo");
_transportInfoBtn =
new ButtonField("Transport Info", ButtonField.NEVER_DIRTY
| Field.FIELD_HCENTER | ButtonField.CONSUME_CLICK);
_connectionTestsBtn =
new ButtonField("Connection Tests", ButtonField.NEVER_DIRTY
| Field.FIELD_HCENTER | ButtonField.CONSUME_CLICK);
_udpBtn =
new ButtonField("UDP Client", ButtonField.NEVER_DIRTY
| Field.FIELD_HCENTER | ButtonField.CONSUME_CLICK);
_transportInfoBtn.setChangeListener(this);
_connectionTestsBtn.setChangeListener(this);
_udpBtn.setChangeListener(this);
// Add components to screen
add(_transportInfoBtn);
add(_connectionTestsBtn);
add(_udpBtn);
_uiApp = UiApplication.getUiApplication();
}
/**
* @see FieldChangeListener#fieldChanged(Field, int)
*/
public void fieldChanged(final Field field, final int context) {
if (field == _transportInfoBtn) {
doTransportInfoBtn();
} else if (field == _connectionTestsBtn) {
doConnectBestEffortBtn();
} else if (field == _udpBtn) {
doUDPBtn();
}
}
/**
* Displays a TransportInfoScreen
*/
private void doTransportInfoBtn() {
_uiApp.pushScreen(new TransportInfoScreen());
}
/**
* Displays a ConnectionTestsScreen
*/
private void doConnectBestEffortBtn() {
_uiApp.pushScreen(new ConnectionTestsScreen());
}
/**
* Displays a UDPClientScreen
*/
private void doUDPBtn() {
_uiApp.pushScreen(new UDPClientScreen());
}
}
}