Implementing the MIDlet Main class

The Main class is the MIDlet main class. When the MIDlet is launched, the Main class is loaded first.

To implement the Main class:

1. Create the Main.java class file.

   package com.nokia.example.nnaclientexample;
   

2. Import the required classes and packages.

   import javax.microedition.lcdui.Display;
   import javax.microedition.midlet.MIDlet;

3. Create the Main class to extend the MIDlet.

   The Main class owns the object of the MainView (UI class).

   public class Main extends MIDlet {
       private MainView mainView;

4. Create the Main class constructor.

   public Main() {
   }

5. Define the mandatory lifecycle methods for starting, pausing, and destroying the MIDlet.

   public void startApp() {
       mainView = new MainView(this);
       Display.getDisplay(this).setCurrent(mainView);
   }
   
   public void pauseApp() {
   }
   
   public void destroyApp(boolean unconditional) {
   }
   
   public void quit() {
       destroyApp(true);
       notifyDestroyed();
   }
   }

Now that you have implemented the MIDlet Main class, implement the MIDlet MainView class.