Mega Code Archive
Load Image with HttpConnection
<![CDATA[
import java.io.DataInputStream;
import java.io.IOException;
import javax.microedition.io.Connector;
import javax.microedition.io.HttpConnection;
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.lcdui.Image;
import javax.microedition.lcdui.ImageItem;
import javax.microedition.lcdui.Item;
import javax.microedition.lcdui.StringItem;
import javax.microedition.midlet.MIDlet;
public class ImageLoaderMIDlet extends MIDlet {
private Item mItem;
public void startApp() {
final Display display = Display.getDisplay(this);
Form mainForm = new Form("Loading...");
display.setCurrent(mainForm);
final Form imageForm = new Form("Image");
imageForm.addCommand(new Command("Exit", Command.EXIT, 0));
imageForm.setCommandListener(new CommandListener() {
public void commandAction(Command c, Displayable s) {
notifyDestroyed();
}
});
Thread t = new Thread() {
public void run() {
try {
String URL = "http://localhost/Duke.png";
Image image = loadImage(URL);
mItem = new ImageItem(null, image, 0, null);
} catch (IOException ioe) {
mItem = new StringItem(null, ioe.toString());
}
imageForm.append(mItem);
display.setCurrent(imageForm);
}
};
t.start();
}
public Image loadImage(String url) throws IOException {
HttpConnection hpc = null;
DataInputStream dis = null;
try {
hpc = (HttpConnection) Connector.open(url);
int length = (int) hpc.getLength();
byte[] data = new byte[length];
dis = new DataInputStream(hpc.openInputStream());
dis.readFully(data);
return Image.createImage(data, 0, data.length);
} finally {
if (hpc != null)
hpc.close();
if (dis != null)
dis.close();
}
}
public void pauseApp() {
}
public void destroyApp(boolean unconditional) {
}
}
]]>