📄 mainmidlet.java
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import javax.microedition.lcdui.*;
import javax.microedition.midlet.MIDlet;
public class MainMIDlet extends MIDlet implements CommandListener {
private Display display;
private Form form = new Form("Wellcome!!");
private Command okCommand = new Command("OK",Command.OK,1);//选择OK,换到下一个屏幕
private Form ns ;
private StringItem si = new StringItem("First Screen","~_~");
public MainMIDlet()
{
form.addCommand(okCommand);
form.append(si);
}
public void startApp() {
display = Display.getDisplay(this);
display.setCurrent(form);
form.setCommandListener(this);//对form加入CommandListener
}
public void pauseApp() {
}
public void destroyApp(boolean b){
}
public void commandAction(Command c,Displayable s)
{
if(c==okCommand)
{
ns = new NextScreen(display,form);//最关键的地方在这里
display.setCurrent(ns);
}
}
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