• 「iアプリコンテンツの作成について」
  http://www.nttdocomo.co.jp/p_s/imode/java/

• 「作ろうiモードコンテンツ」
  http://www.nttdocomo.co.jp/p_s/imode/make/index.html

 import com.nttdocomo.ui.*;
 
 public class HelloWorld01 extends IApplication {
     public void start() {
         System.out.println("Hello World!"); // エミュレーターのコンソールに表示
         Dialog dg = new Dialog(Dialog.BUTTON_OK, "Hello World!");
         dg.setText("Hello World!");
         dg.show();
         terminate();
     }
 }

□ 実行結果

 import com.nttdocomo.ui.*;
 
 public class HelloWorld02 extends IApplication {
     MyCanvas canvas;
 
     public void start() {
         canvas = new MyCanvas();
         Display.setCurrent(canvas);
     }
 }
 
 class MyCanvas extends Canvas {
     public void paint(Graphics g) {
         g.setColor(Graphics.getColorOfName(Graphics.RED));
         g.fillRect(10, 10, 180, 80);
         g.setColor(Graphics.getColorOfName(Graphics.BLUE));
         g.drawString("Hello World!", 70, 50);
      }
 }

□ 実行結果

 import com.nttdocomo.ui.*;
 
 public class HelloWorld03 extends IApplication {
     MyPanel panel;
 
     public void start() {
         panel = new MyPanel();
         Display.setCurrent(panel);
     }
 }
 
 class MyPanel extends Panel implements ComponentListener {
     Button b;
     Label l;
     ListBox lb;
     TextBox tb;
     Ticker t;
 
     MyPanel() {
         b = new Button("Hello Button!");
         add(b);
 
         l = new Label("Hello Label!");
         add(l);
 
         lb = new ListBox(ListBox.RADIO_BUTTON);
         lb.append("Hello");
         lb.append("ListBox");
         add(lb);
 
         tb = new TextBox("Hello TextBox!", 16, 1, TextBox.DISPLAY_ANY);
         add(tb);
 
         t = new Ticker("Hello Ticker!");
         add(t);
 
         setComponentListener(this);
     }
 
     public void componentAction(Component c, int type, int param) {
         if (c == b && type == BUTTON_PRESSED) {
             Dialog d = new Dialog(Dialog.DIALOG_INFO, "Hello World!");
             d.setText("Hello Button Pressed!");
             d.show();
         } else if (c == lb && type == SELECTION_CHANGED) {
             Dialog d = new Dialog(Dialog.DIALOG_INFO, "Hello World!");
             d.setText("Hello ListBox Changed! Index = " + lb.getSelectedIndex());
             d.show();
         } else if (c == tb && type == TEXT_CHANGED) {
             Dialog d = new Dialog(Dialog.DIALOG_INFO, "Hello World!");
             d.setText("Hello TextBox Changed! String = " + tb.getText());
             d.show();
         }
      }
 }

□ 実行結果