helloworldmidlet.java

本人写的第一款J2ME手机游戏

package firstj2me;

import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;
import javax.microedition.io.ConnectionNotFoundException;

public class HelloWorldMIDlet extends MIDlet implements CommandListener {
  public static HelloWorldMIDlet helloInstance;
  Form mainfrm = new Form("platformRequest 测试");
  String telStr = "15879180878";
  String urlStr = "http://wap.sina.com";
  Command dialCmd, linkCmd;
  public HelloWorldMIDlet() {
    helloInstance = this;
    mainfrm.append("要呼叫的号码为：\n");
    mainfrm.append(telStr);
    mainfrm.append("\n要连接WAP页面为：\n");
    mainfrm.append(urlStr);
    linkCmd = new Command("连接", 7, 1);
    dialCmd = new Command("拨号", 1, 2);
    mainfrm.addCommand(dialCmd);
    mainfrm.addCommand(linkCmd);
    mainfrm.setCommandListener(this);
  }

  public void startApp() {
    Display.getDisplay(this).setCurrent(mainfrm);
  }

  public void pauseApp() {}

  public void destroyApp(boolean unconditional) {}

  public void commandAction(Command c, Displayable d) {
    if (c == dialCmd) {
      try {
        this.platformRequest("tel:" + telStr);
      }
      catch (ConnectionNotFoundException ex) {}
    }
    if (c == linkCmd) {
      try {
        this.platformRequest(urlStr);
      }
      catch (ConnectionNotFoundException ex) {}
    }
  }
}