/**
* Copyright (c) 2012-2013 Nokia Corporation. All rights reserved.
* Nokia and Nokia Connecting People are registered trademarks of Nokia Corporation.
* Oracle and Java are trademarks or registered trademarks of Oracle and/or its
* affiliates. Other product and company names mentioned herein may be trademarks
* or trade names of their respective owners.
* See LICENSE.TXT for license information.
*/
package com.nokia.example.attractions;
import com.nokia.example.attractions.location.LocationFinder;
import com.nokia.example.attractions.models.Attraction;
import com.nokia.example.attractions.map.TouristMap;
import com.nokia.example.attractions.models.Guide;
import com.nokia.example.attractions.utils.UIUtils;
import com.nokia.example.attractions.views.ViewMaster;
import com.nokia.maps.common.ApplicationContext;
import com.nokia.maps.common.GeoCoordinate;
import java.util.Timer;
import java.util.TimerTask;
import javax.microedition.lcdui.Alert;
import javax.microedition.lcdui.AlertType;
import javax.microedition.lcdui.Display;
import javax.microedition.midlet.MIDlet;
/**
* Main MIDlet
*/
public final class Main
extends MIDlet {
private static Main instance;
private Display display = null;
private SplashCanvas splashCanvas;
private ViewMaster viewMaster;
private TouristMap touristMap;
private final Object mapLock = new Object();
private LocationFinder locationFinder;
private static final String APP_ID = "rdDjsQ0xruTZCiwWjo01"; // needed to use the API
private static final String APP_TOKEN = "EdMChGcbrECxiMbgCxS_sw"; // needed to use the API
/**
* @see MIDlet#startApp()
*/
public final void startApp() {
if (display == null) {
instance = this;
ApplicationContext.getInstance().setAppID(APP_ID);
ApplicationContext.getInstance().setToken(APP_TOKEN);
display = Display.getDisplay(this);
// Set up the first view of the application.
splashCanvas = SplashCanvas.getInstance();
display.setCurrent(splashCanvas);
Timer timer = new Timer();
timer.schedule(new TimerTask() {
public void run() {
initGuides();
initViewMaster();
initLocationFinder();
}
}, 100);
timer.schedule(new TimerTask() {
public void run() {
closeSplash();
}
}, 1000); // minimum time the splash is shown
}
}
/**
* Loads the guides
*/
private void initGuides() {
DataModel data = DataModel.getInstance();
data.loadGuides();
if (data.getGuides().isEmpty()) {
Guide helsinki = new Guide();
helsinki.setId("helsinki");
helsinki.setUrl("/guides/helsinki/guide.xml");
helsinki.setImageUrl("/guides/helsinki/guide.png");
helsinki.setCity("Helsinki Highlights");
data.getGuides().addElement(helsinki);
data.setCurrentGuideIndex(0);
}
}
private synchronized void initLocationFinder() {
if (locationFinder == null) {
locationFinder =
LocationFinder.getFinder(new LocationFinder.Listener() {
public void newLocation(double lat, double lon, int accuracy) {
DataModel.getInstance().setCurrentPosition(new GeoCoordinate(
lat, lon, 0), accuracy);
refreshCurrentPositionOnMap();
if (viewMaster != null) {
viewMaster.draw();
}
}
});
}
refreshLocationFinder();
}
private void initViewMaster() {
UIUtils.init();
viewMaster = ViewMaster.getInstance();
}
public void callSerially(Runnable r) {
display.callSerially(r);
}
private void closeSplash() {
viewMaster.showAttractionsView();
display.setCurrent(viewMaster);
}
private synchronized void startLocationFinder() {
if (locationFinder != null) {
locationFinder.start();
}
}
private synchronized void stopLocationFinder() {
if (locationFinder != null) {
locationFinder.quit();
}
}
/**
* @see MIDlet#pauseApp()
*/
public final void pauseApp() {
}
/**
* @see MIDlet#destroyApp(boolean)
*/
public final void destroyApp(boolean unconditional) {
display = null;
}
/**
* @return MIDlet object
*/
public static Main getInstance() {
return instance;
}
/**
* Close the MIDlet.
*/
public final void commandExit() {
destroyApp(true);
notifyDestroyed();
}
/**
* Refresh the location finder.
*/
public final void refreshLocationFinder() {
if (!splashCanvas.isHidden()
|| !(viewMaster == null || viewMaster.isHidden())
|| !(touristMap == null || touristMap.isHidden())) {
startLocationFinder();
}
else {
stopLocationFinder();
}
}
/**
* Initializes map canvas.
*/
public final void initMap() {
synchronized (mapLock) {
if (touristMap == null) {
// Get your own app_id and token by registering at
// https://api.developer.nokia.com/ovi-api/ui/registration
//ApplicationContext.getInstance().setAppID(...);
//ApplicationContext.getInstance().setToken(...);
touristMap = new TouristMap(display);
}
}
}
/**
* Initializes attractions on the map.
*/
public final void initMapMarkers() {
synchronized (mapLock) {
touristMap.addMarkers();
}
}
/**
* Refresh the user's current position on the map.
*/
public final void refreshCurrentPositionOnMap() {
synchronized (mapLock) {
if (touristMap == null || touristMap.isHidden()) {
return;
}
touristMap.refreshCurrentPositionCircle();
}
}
/**
* Pans the map to the position of the attraction and opens the map.
* If attraction is null the map pans to the users position.
* @param attr
*/
public final void openMap(Attraction attr) {
synchronized (mapLock) {
touristMap.refreshCurrentPositionCircle();
if (attr == null) {
touristMap.goToMe();
}
else {
touristMap.goToAttraction(attr);
}
display.setCurrent(touristMap);
}
}
/**
* Close the map.
*/
public final void closeMap() {
display.setCurrent(viewMaster);
viewMaster.setPreviousView();
}
/**
* Show alert message on the screen.
* @param title
* @param alertText
* @param type
*/
public final void showAlertMessage(String title, String alertText,
AlertType type) {
Alert alert = new Alert(title, alertText, null, type);
display.setCurrent(alert, display.getCurrent());
}
/**
* @return name of the MIDlet.
*/
public final String getName() {
return getAppProperty("MIDlet-Name");
}
/**
* @return vendor of the MIDlet.
*/
public final String getVendor() {
return getAppProperty("MIDlet-Vendor");
}
/**
* @return version of the MIDlet.
*/
public final String getVersion() {
return getAppProperty("MIDlet-Version");
}
public static boolean isS60Phone() {
String platform = System.getProperty("microedition.platform");
if (platform == null) {
platform = "";
}
if (platform.indexOf("sw_platform=S60") > 0) {
return true;
}
if (platform.indexOf("/S60_") > 0) {
return true;
}
try {
Class.forName("com.symbian.gcf.NativeInputStream");
return true;
}
catch (ClassNotFoundException e) {
}
return false;
}
}