• User Interface Components
• Visual Content
• Auditory Content
• A Record Management System
• Communications/Networking
• Public Key Infrastructure

• Must extend the MIDlet class
• Are managed by a MIDlet Manager on the device

• General:
  • No AffineTransform
  • Graphics not Graphics2D
• Sampled Content:
  • Image instead of BufferedImage
  • No BufferedImageOp
• Described Content:
  • No Shape interface or implementations
  • No Color, Paint or Stroke classes

• General:
  • Auditory content is handled by the optional Mobile Media API (JSR 135)
• Sampled Content:
  • Presented using a Player
• Described Content:
  • Presented using a Player
  • Manipulated using a MIDIControl and/or a TempoControl

j2meexamples/src/phoneycall/MultipleCallScreen.java (Fragment: layout)

                form = new Form("Multiple Call Details");
        
        number = new TextField("No. of Calls:", "6", 6, TextField.NUMERIC);
        number.setLayout(Item.LAYOUT_EXPAND|Item.LAYOUT_NEWLINE_AFTER);
        form.append(number);
        
        interval = new TextField("In the next (sec.):", "120", 6, TextField.NUMERIC);
        interval.setLayout(Item.LAYOUT_EXPAND|Item.LAYOUT_NEWLINE_AFTER);
        form.append(interval);
        
        delay = new TextField("First call in (sec.):", "5", 3, TextField.NUMERIC);
        delay.setLayout(Item.LAYOUT_EXPAND|Item.LAYOUT_NEWLINE_AFTER);
        form.append(delay);
        

j2meexamples/src/phoneycall/CallersScreen.java (Fragment: layout)

                list = new List("Select Caller(s)", List.MULTIPLE);
        list.append("Aboutabl, Mohamed", null);
        list.append("Abzug, Charles", null);
        list.append("Adams, Elizabeth", null);
        list.append("Bernstein, David", null);
        list.append("Buchholz, Florian", null);
        list.append("Cushman, Pauline", null);
        list.append("Daughtrey, Taz", null);
        list.append("Fox, Christopher", null);
        list.append("Grove, Ralph", null);
        list.append("Harris, J. Archer", null);
        list.append("Harris, Nancy", null);
        list.append("Heydari, M. Hossain", null);
        list.append("Lane, Malcolm", null);
        list.append("Marchal, Joseph", null);
        list.append("Mata-Toledo, Ramon", null);
        list.append("Norton, Michael", null);
        list.append("Prieto-Díaz, Rubén", null);
        list.append("Redwine, Samuel", null);
        list.append("Tjaden, Brett", null);
        list.append("Wang, Xunhua (Steve)", null);
        

j2meexamples/src/phoneycall/MultipleCallScreen.java (Fragment: commands)

                form.addCommand(CANCEL_COMMAND);
        form.addCommand(OK_COMMAND);
        

j2meexamples/src/phoneycall/CallCountScreen.java (Fragment: commands)

                list.setSelectCommand(SELECT_COMMAND);
        

j2meexamples/src/phoneycall/PhoneyCall.java (Fragment: commandlistener)

            /**
     * Handle a Command
     *
     * @param c   The Command
     * @param d   The Displayable that generated the Command
     */
    public void commandAction(Command c, Displayable d)
    {
        String   ac;
        
        ac = c.getLabel();
        
        if (ac.equals(AbstractState.CANCEL))
            state.handleCancel();
        if (ac.equals(AbstractState.OK))
            state.handleOK();
        if (ac.equals(AbstractState.SELECT))
            state.handleSelect();
    }