displayable1.java

来自「Java ME手机应用开发大全一书的配套光盘上的源码」· Java 代码 · 共 32 行

package helloworld;

import javax.microedition.lcdui.*;

public class Displayable1 extends Form implements CommandListener {
    public Displayable1() {
        super("Displayable Title");
        try {
            jbInit();
        }
        catch(Exception e) {
            e.printStackTrace();
        }
    }

    private void jbInit() throws Exception {
        // Set up this Displayable to listen to command events
        setCommandListener(this);
        // add the Exit command
        addCommand(new Command("Exit", Command.EXIT, 1));
    }

    public void commandAction(Command command, Displayable displayable) {
        /** @todo Add command handling code */
        if (command.getCommandType() == Command.EXIT) {
            // stop the MIDlet
            HelloWorld.quitApp();
        }
    }

}