/*
* ProgressIndicatorDemo.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.ui.progressindicatordemo;
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 demonstrating ProgressIndicatorView and
* ActivityIndicatorView and related classes in the
* net.rim.device.api.ui.component.progressIndicator package.
* ProgressIndicatorView is used to represent work being performed where the
* percentage of work completed at a given point in time is known.
* ActivityIndicatorView is used when the duration of an operation or series of
* operations is not known.
*/
public class ProgressIndicatorDemo extends UiApplication {
/**
* Creates a new ProgressIndicatorDemo object
*/
public ProgressIndicatorDemo() {
final ProgressIndicatorDemoScreen screen =
new ProgressIndicatorDemoScreen();
pushScreen(screen);
}
// Make the currently running thread the application's event
// dispatch thread and begin processing events.
public static void main(final String[] args) {
final ProgressIndicatorDemo app = new ProgressIndicatorDemo();
app.enterEventDispatcher();
}
/**
* MainScreen class for the ProgressIndicatorDemo sample application
*/
private static class ProgressIndicatorDemoScreen extends MainScreen
implements FieldChangeListener {
private final ButtonField _progressButton;
private final ButtonField _activityButton;
/**
* Creates a new ProgressIndicatorDemoScreen object
*/
public ProgressIndicatorDemoScreen() {
super(Field.FIELD_HCENTER);
setTitle("Progress Indicator Demo");
_progressButton =
new ButtonField("Show Progress Indicator Screen",
ButtonField.NEVER_DIRTY | ButtonField.CONSUME_CLICK);
_progressButton.setChangeListener(this);
add(_progressButton);
_activityButton =
new ButtonField("Show Activity Indicator Screen",
ButtonField.NEVER_DIRTY | ButtonField.CONSUME_CLICK);
_activityButton.setChangeListener(this);
add(_activityButton);
}
/**
* @see FieldChangeListener#fieldChanged(Field, int)
*/
public void fieldChanged(final Field field, final int context) {
final UiApplication uiApp = UiApplication.getUiApplication();
if (field == _activityButton) {
uiApp.pushScreen(new ActivityIndicatorScreen());
} else if (field == _progressButton) {
uiApp.pushScreen(new ProgressIndicatorScreen());
}
}
}
}