?? midlet1.java
字號:
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 MIDlet1 extends MIDlet {
private Form frm = new Form("這是一個Form");
private Display dis;
private Command cmd1 = new Command("命令按鈕",Command.SCREEN,1);
public MIDlet1() {
// 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CommandOpe對象
frm.setCommandListener(new CommandOpe());
}
protected void destroyApp(boolean arg0) throws MIDletStateChangeException {
// TODO Auto-generated method stub
}
protected void pauseApp() {
// TODO Auto-generated method stub
}
}
class CommandOpe implements CommandListener{//Step1:事件響應類,實現(xiàn)CommandListener
//Step2:必須重寫commandAction函數(shù),在里面寫響應代碼
public void commandAction(Command c,Displayable d){
System.out.println("按鈕被選擇");
}
}
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