xinxianmidlet.java

在手机上绘制心状图形使用数学中的笛卡尔公式

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

/**
 * <p>Title: </p>
 *
 * <p>Description: </p>
 *
 * <p>Copyright: Copyright (c) 2006</p>
 *
 * <p>Company: </p>
 *
 * @author not attributable
 * @version 1.0
 */
public class XinXianMIDlet
    extends MIDlet {
  private XinXianCanvas xinxianCanvas;
  public XinXianMIDlet() {
    xinxianCanvas = new XinXianCanvas(this);
  }

  public void startApp() throws MIDletStateChangeException {
    xinxianCanvas.doStartApp();
    Display.getDisplay(this).setCurrent(xinxianCanvas);
  }

  public void pauseApp() {
    xinxianCanvas.doPauseApp();
  }

  public void destroyApp(boolean unconditional) throws
      MIDletStateChangeException {
  }

  void doExit() {
    try {
      destroyApp(false);
      notifyDestroyed();
          }
    catch (MIDletStateChangeException e) {}
  }

}