/*
* GeocodeDemoScreen.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.geocodedemo;
import net.rim.device.api.system.Display;
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 MainScreen class representing the entry screen for the Geocode Demo
* application
*/
public final class GeocodeDemoScreen extends MainScreen {
/**
* Creates a new GeocodeDemoScreen object and initializes UI components
*/
public GeocodeDemoScreen() {
setTitle("Geocode Demo");
final FullWidthButton geocodeButton =
new FullWidthButton("Geocode Screen");
geocodeButton.setChangeListener(new FieldChangeListener() {
/**
* @see net.rim.device.api.ui.FieldChangeListener#fieldChanged(Field,
* int)
*/
public void fieldChanged(final Field field, final int context) {
UiApplication.getUiApplication()
.pushScreen(new GeocodeScreen());
}
});
final FullWidthButton reverseGeocodeButton =
new FullWidthButton("Reverse Geocode Screen");
reverseGeocodeButton.setChangeListener(new FieldChangeListener() {
/**
* @see net.rim.device.api.ui.FieldChangeListener#fieldChanged(Field,
* int)
*/
public void fieldChanged(final Field field, final int context) {
UiApplication.getUiApplication().pushScreen(
new ReverseGeocodeScreen());
}
});
add(geocodeButton);
add(reverseGeocodeButton);
}
/**
* A button which uses the full width of the screen
*/
private final class FullWidthButton extends ButtonField {
/**
* Creates a new FullWidthButton object with provided label text
*
* @param label
* Label text to display on the button
*/
public FullWidthButton(final String label) {
this(label, ButtonField.CONSUME_CLICK | ButtonField.NEVER_DIRTY);
}
/**
* Creates a new FullWidthButton object with provided label text and
* style
*
* @param label
* Label text to display on the button
* @param style
* Style for the button
*/
public FullWidthButton(final String label, final long style) {
super(label, style);
}
/**
* * @see ButtonField#getPreferredWidth()
*/
public int getPreferredWidth() {
return Display.getWidth();
}
}
}