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Using eSWT Browser in Java ME

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Revision as of 13:32, 20 August 2012


Version Hint

Windows Phone: [[Category:Windows Phone]]
[[Category:Windows Phone 7.5]]
[[Category:Windows Phone 8]]

Nokia Asha: [[Category:Nokia Asha]]
[[Category:Nokia Asha Platform 1.0]]

Series 40: [[Category:Series 40]]
[[Category:Series 40 1st Edition]] [[Category:Series 40 2nd Edition]]
[[Category:Series 40 3rd Edition (initial release)]] [[Category:Series 40 3rd Edition FP1]] [[Category:Series 40 3rd Edition FP2]]
[[Category:Series 40 5th Edition (initial release)]] [[Category:Series 40 5th Edition FP1]]
[[Category:Series 40 6th Edition (initial release)]] [[Category:Series 40 6th Edition FP1]] [[Category:Series 40 Developer Platform 1.0]] [[Category:Series 40 Developer Platform 1.1]] [[Category:Series 40 Developer Platform 2.0]]

Symbian: [[Category:Symbian]]
[[Category:S60 1st Edition]] [[Category:S60 2nd Edition (initial release)]] [[Category:S60 2nd Edition FP1]] [[Category:S60 2nd Edition FP2]] [[Category:S60 2nd Edition FP3]]
[[Category:S60 3rd Edition (initial release)]] [[Category:S60 3rd Edition FP1]] [[Category:S60 3rd Edition FP2]]
[[Category:S60 5th Edition]]
[[Category:Symbian^3]] [[Category:Symbian Anna]] [[Category:Nokia Belle]]

Article Metadata
Code ExampleTested with
Devices(s): S60 3rd Ed. FP2 SDK
Keywords: eSWT, Browser, QueryDialog, MobileShell, MessageBox
Created: jarmlaht (20 May 2008)
Updated: skalogir (20 Aug 2012)
Reviewed: skalogir (20 Aug 2012)
Last edited: skalogir (20 Aug 2012)


This code snippet demonstrates how to use eSWT's Browser class in Java ME. The Browser class instance implements the browser user interface metaphor and it allows the user to visualize and navigate through HTML documents. This example has also "Back", "Forward", and "Open URL" Commands for navigating to the previous or next session history items and for opening desired html page. The MIDlet uses MobileShell, because it has a possibility to change the status pane size. The following section contains the complete code for compiling and running the example application.

Source code

import javax.microedition.midlet.MIDlet;
import org.eclipse.swt.SWT;
import org.eclipse.swt.SWTError;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.Display;
import org.eclipse.ercp.swt.mobile.MobileShell;
import org.eclipse.swt.widgets.MessageBox;
import org.eclipse.swt.browser.Browser;
import org.eclipse.ercp.swt.mobile.QueryDialog;
import org.eclipse.ercp.swt.mobile.Command;
public class BrowserMIDlet extends MIDlet implements SelectionListener, Runnable {
private Command exitCommand;
private Command backCommand;
private Command openCommand;
private Command forwardCommand;
private Command changeCommand;
private Display display;
private MobileShell shell;
private Thread uiThread;
private Browser browser = null;
private boolean exiting = false;
private int style = 2; //MobileShell.SMALL_STATUS_PANE
private String url = "http://www.google.com";
public void startApp() {
if(uiThread == null) {
uiThread = new Thread(this);
public void pauseApp() {
//To do
public void destroyApp(boolean unconditional) {
try {
catch(InterruptedException e) {
//To do
void exitEventLoop() {
exiting = true;
public void run() {
display = new Display();
shell = new MobileShell(display, SWT.NONE, style);
shell.setLayout(new FillLayout());
exitCommand = new Command(shell, Command.EXIT, 0);
backCommand = new Command(shell, Command.BACK, 0);
forwardCommand = new Command(shell, Command.OK, 0);
openCommand = new Command(shell, Command.OK, 1);
openCommand.setText("Enter URL");
changeCommand = new Command(shell, Command.OK, 2);
changeCommand.setText("Change status pane");
try {
browser = new Browser(shell, SWT.NONE);
} catch (SWTError e) {
MessageBox message = new MessageBox(shell, SWT.NONE);
message.setText("SWTError: " + e.getMessage());
if (browser != null) {
while(!exiting) {
if(!display.readAndDispatch()) {
browser.dispose(); // dispose objects
notifyDestroyed(); // exit MIDlet
public void widgetSelected(SelectionEvent e) {
if (e.widget.equals(exitCommand)) {
if (e.widget.equals(backCommand)) {
if (browser.isBackEnabled()) browser.back();
if (e.widget.equals(forwardCommand)) {
if (browser.isForwardEnabled()) browser.forward();
if (e.widget.equals(openCommand)) {
QueryDialog dialog = new QueryDialog(shell, SWT.NONE, QueryDialog.STANDARD);
dialog.setPromptText("Enter URL:", "http://");
url = dialog.open();
if (url != null) {
} else {}
if (e.widget.equals(changeCommand)) {
if (style < 3) style = style + 1;
else if (style == 3) style = 1;
shell.changeTrim(SWT.SHELL_TRIM, style);
public void widgetDefaultSelected(SelectionEvent arg0) {
//To do


When a BrowserMIDlet is opened, a browser window is shown on the screen. The browser will open the URL http://www.google.com.

See also

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