?? midlet2.java
字號(hào):
package prj3_1;
import javax.microedition.lcdui.Command;
import javax.microedition.lcdui.CommandListener;
import javax.microedition.lcdui.Display;
import javax.microedition.lcdui.Displayable;
import javax.microedition.lcdui.Form;
import javax.microedition.midlet.MIDlet;
import javax.microedition.midlet.MIDletStateChangeException;
public class MIDlet2 extends MIDlet implements CommandListener{//Step1:事件響應(yīng)類,實(shí)現(xiàn)CommandListener
private Form frm = new Form("這是一個(gè)Form");
private Display dis;
private Command cmd1 = new Command("命令按鈕",Command.SCREEN,1);
public MIDlet2() {
// TODO Auto-generated constructor stub
}
protected void startApp() throws MIDletStateChangeException {
// TODO Auto-generated method stub
dis = Display.getDisplay(this);
dis.setCurrent(frm);
frm.addCommand(cmd1);
//Step3:綁定frm和this
frm.setCommandListener(this);
}
//Step2:必須重寫commandAction函數(shù),在里面寫響應(yīng)代碼
public void commandAction(Command c,Displayable d){
System.out.println("按鈕被選擇,按鈕標(biāo)題為:"+c.getLabel());
}
protected void destroyApp(boolean arg0) throws MIDletStateChangeException {
// TODO Auto-generated method stub
}
protected void pauseApp() {
// TODO Auto-generated method stub
}
}
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