getMIDletProperties.java
import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;
public class getMIDletProperties extends MIDlet
{
private Display aDisplay;
private Form aForm;
private TextField aTextField;
private String proString="";
public getMIDletProperties()
{
proString=proString+"Vendor:"+getAppProperty("MIDlet-Vendor")+"\n";
proString=proString+"Description:"+getAppProperty("MIDlet-Description")+"\n";
proString=proString+"CreateDate:"+getAppProperty("Create Date")+"\n";
proString=proString+"MIDlet-Data-Size:"+getAppProperty("MIDlet-Data-Size")+"\n";
aForm=new Form("MIDlet Properties");
aTextField=new TextField("properties:",proString,5000,TextField.ANY);
aForm.append(aTextField);
}
public void startApp() throws MIDletStateChangeException
{
aDisplay=Display.getDisplay(this);
aDisplay.setCurrent(aForm);
}
public void pauseApp()
{
}
public void destroyApp(boolean unconditional)
{
}
}
MANIFEST.MF
MIDlet-Name:Show_Properties_MIDlet
MIDlet-Version:1.0.0
MIDlet-Vendor:AlexWen
MIDlet-1:ShowProps,/suite.png,getMIDletProperties
MicroEdition-Profile:MIDP-2.0
MIDlet-Description:List The MIDlet Properties
MIDlet-Data-Size:1500
DOS下运行
D:\java\getpros>javac -g:none -bootclasspath F:\Java\midp2.0fcs\classes getMIDletProperties.java
D:\java\getpros>preverify -classpath F:\Java\midp2.0fcs\classes getMIDletProperties
D:\java\getpros>jar -cvfm getPros.jar MANIFEST.MF getMIDletProperties.class suite.png
java.io.IOException: invalid header field
at java.util.jar.Attributes.read(Attributes.java:387)
at java.util.jar.Manifest.read(Manifest.java:167)
at java.util.jar.Manifest.<init>(Manifest.java:52)
at sun.tools.jar.Main.run(Main.java:124)
at sun.tools.jar.Main.main(Main.java:904)
------解决方法--------------------------------------------------------
用wtk打包 有没有问题哦？
------解决方法--------------------------------------------------------
使用Ktoolbar:把类文件放src,图片放res,jad文件放bin,manifest.mf放bin
就OK
你是不是在用J2ME无线通信实用案例教程上的例子嘛?
