homereceivemidelt.java

手机的联网应用

package cn.com.javachen;

import javax.microedition.lcdui.Alert;
import javax.microedition.lcdui.AlertType;
import javax.microedition.lcdui.Display;
import javax.microedition.lcdui.Image;
import javax.microedition.midlet.MIDlet;
import javax.microedition.midlet.MIDletStateChangeException;

public class HomeReceiveMidelt extends MIDlet {
	protected Display display;

	private Image splashLogo;

	private boolean isSplash = true;

	private MainMenuScreen mainMenuScreen;

	private SettingsScreen settingsScreen;

	private XueShengCJScreen xueShengCJScreen;
	

	private XueShengQQScreen xueShengQQScreen;

	private JiaZhangFQScreen jiaZhangFQScreen;

	private HelpScreen helpScreen;

	private AboutScreen aboutScreen;

	private Alert alert;

	private static Settings settings;

	private static final String settingsRMSName = "xushengSettings";

	private static final boolean CONST_DEBUG = true;

	public HomeReceiveMidelt() {
		// TODO Auto-generated constructor stub
		display = Display.getDisplay(this);
	}

	protected void startApp() throws MIDletStateChangeException {
		// TODO Auto-generated method stub
		if (isSplash) {
			isSplash = false;
			try {
				alert = new Alert("欢迎第一次使用!请选择“设置信息”选项.");
				 settings = new Settings(settingsRMSName);
				 settings.loadSettings();

				mainMenuScreen = new MainMenuScreen(this);
				
				settingsScreen = new SettingsScreen(this, settings);
				xueShengCJScreen = new XueShengCJScreen(this,settings);
				xueShengQQScreen = new XueShengQQScreen(this,settings);
				jiaZhangFQScreen = new JiaZhangFQScreen(this,settings);
				helpScreen = new HelpScreen(this);
				aboutScreen = new AboutScreen(this);

				splashLogo = Image.createImage("/res/splash.png");
				new SplashScreen(display, mainMenuScreen, splashLogo, 3000);
			} catch (Exception ex) {
				showErrorMsg(null);
			}
		} else {
			mainMenuScreenShow(null);
		}
	}

	public void mainMenuScreenShow(Alert alert) {
		// TODO Auto-generated method stub
		if (alert == null)
			display.setCurrent(mainMenuScreen);
		else
			display.setCurrent(alert, mainMenuScreen);
	}

	protected void pauseApp() {
		// TODO Auto-generated method stub

	}

	protected void destroyApp(boolean arg0) throws MIDletStateChangeException {
		// TODO Auto-generated method stub
		System.gc();
		notifyDestroyed();
	}

	public void mainMenuScreenQuit() {
		// TODO Auto-generated method stub

		try {
			destroyApp(true);
		} catch (MIDletStateChangeException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}

	}

	protected void showErrorMsg(String alertMsg) {
		if (alertMsg == null || CONST_DEBUG == false) {
			alertMsg = "Error Starting HomeReceive, may or may not function correctly.  Please contact support.";
		}
		alert = new Alert("Eliminator ERROR", alertMsg, null, null);
		alert.setTimeout(Alert.FOREVER);
		alert.setType(AlertType.ERROR);
		this.mainMenuScreenShow(alert);
	}

	protected static Image createImage(String filename) {
		Image image = null;
		try {
			image = Image.createImage(filename);
		} catch (Exception e) {
		}
		return image;
	}

	protected void XueShengCJScreenShow() {

		display.setCurrent(xueShengCJScreen);
		

	}

	protected void xueShengQQScreenShow() {

		display.setCurrent(xueShengQQScreen);

	}

	protected void jiaZhangFQScreenShow() {

		display.setCurrent(jiaZhangFQScreen);

	}

	protected void settingsScreenShow() {
		 try {
		      settingsScreen.init();
		      display.setCurrent(settingsScreen);
		    } catch (Exception e) {
//		      showErrorMsg(null);
		    }

	}

	protected void helpScreenShow() {
		display.setCurrent(helpScreen);
	}

	protected void aboutScreenShow() {
		display.setCurrent(aboutScreen);
	}

}