?? showimageitem.java
字號:
import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;
public class ShowImageItem extends MIDlet implements CommandListener
{
private Display display;
private Form props;
private Image img;
private ImageItem imgItem;
private Command exitCommand = new Command("Exit", Command.EXIT, 1);
public ShowImageItem()
{
display = Display.getDisplay(this);
}
public void startApp()
{
props = new Form("Hello World");
//props.append("Hello World!\n");
try
{
img=Image.createImage("JavaPowered-8.png");
imgItem=new ImageItem("Default Layout",
img,ImageItem.LAYOUT_DEFAULT,"Image Cannot be
shown");
props.append(imgItem);
props.append(new ImageItem("Left Layout",
img,ImageItem.LAYOUT_LEFT,"Image Cannot be
shown"));
props.append(new ImageItem("Center Layout",
img,ImageItem.LAYOUT_CENTER,"Image Cannot be
shown"));
}
catch(Exception fe)
{
//to do nothing
}
props.addCommand(exitCommand);
props.setCommandListener(this);
display.setCurrent(props);
}
public void commandAction(Command c, Displayable s)
{
if (c == exitCommand)
{
destroyApp(false);
notifyDestroyed();
}
}
public void destroyApp(boolean unconditional)
{
}
public void pauseApp()
{
display.setCurrent(null);
props = null;
}
}
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