1 import javax.microedition.lcdui.Display; 2 import javax.microedition.lcdui.Form; 3 import javax.microedition.lcdui.TextField; 4 import javax.microedition.midlet.MIDlet; 5 import javax.microedition.midlet.MIDletStateChangeException; 6  7  8 public class main extends MIDlet { 9     10     private Display ds;11     private Form fr;12     private TextField tf;13     private String proString="";14     15     public main() {16         // TODO Auto-generated constructor stub17         proString=proString+"厂商: "+getAppProperty("MIDlet-Vendor")+"\n";18         proString=proString+"描述: "+getAppProperty("MIDlet-Description")+"\n";19         proString=proString+"自定义版本: "+getAppProperty("jadFile-Version")+"\n";20         proString=proString+"数据空间: "+getAppProperty("MIDlet-Data-Size");21         fr=new Form("MIDlet Properties");22         tf=new TextField("属性:",proString,500,TextField.ANY);23         fr.append(tf);24     }25 26     protected void destroyApp(boolean arg0) throws MIDletStateChangeException {27         // TODO Auto-generated method stub28 29     }30 31     protected void pauseApp() {32         // TODO Auto-generated method stub33 34     }35 36     protected void startApp() throws MIDletStateChangeException {37         // TODO Auto-generated method stub38         ds=Display.getDisplay(this);39         ds.setCurrent(fr);40     }41 42 }