我正在为诺基亚 N82 编写 Java ME Midlet,我只想从 30 开始倒计时并在它到达 0 时重新启动。每当我移动 .jar 和 .jad 文件并尝试从手机运行它们时,它会说无法安装 midlet 或应用程序与手机不兼容。我的代码是:
import java.util.*;
import javax.microedition.lcdui.*;
import javax.microedition.midlet.*;
public class myMidlet extends MIDlet implements CommandListener{
private Form form;
private Display display;
private int tt;
private int ttinc;
private Timer tm;
public myMidlet(){
ttinc=30;
tt=-1;
tm=new Timer();
}
public void startApp(){
showInput();
}
public void pauseApp(){}
public void destroyApp(boolean destroy){
notifyDestroyed();
}
public void showInput(){
display = Display.getDisplay(this);
Form form = new Form("GPS");
if(tt<0){
form.append("Sending update...");
}else{
form.append("Sending update in "+tt+" seconds.");
tt--;
}
tm.schedule(new TodoTask(), 1000);
display.setCurrent(form);
}
public void commandAction(Command c, Displayable d) {}
public class TodoTask extends TimerTask{
public final void run(){
showInput();
}
}
}
我能做些什么/尝试让这个工作?