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- How do I add button in J2ME
- form = new Form("ePolicia Transgressor Accuse");
- tb = new TextField("Complaint Id: ", "", 30, TextField.ANY);
- form.append(tb);
- ticker = new Ticker("Creating Safer City for You");
- form.addCommand(submitCommand);
- form.addCommand(exitCommand);
- form.setCommandListener(this);
- form.setTicker(ticker);
- display.setCurrent(form);
- /*
- * To change this template, choose Tools | Templates
- * and open the template in the editor.
- */
- package hello;
- import javax.microedition.midlet.*;
- import javax.microedition.lcdui.*;
- /**
- * @author
- */
- public class HelloMIDlet extends MIDlet implements CommandListener, ItemCommandListener {
- private boolean midletPaused = false;
- //<editor-fold defaultstate="collapsed" desc=" Generated Fields ">
- private Command exitCommand;
- private Command okCommand;
- private Command exitCommand1;
- private Form form;
- private StringItem lblUserName;
- private TextField txtUserName;
- private StringItem lblPassword;
- private TextField txtPassword;
- private StringItem lblBlankSpace;
- private StringItem cmdOK;
- private StringItem stringItem;
- //</editor-fold>
- /**
- * The HelloMIDlet constructor.
- */
- public HelloMIDlet() {
- }
- //<editor-fold defaultstate="collapsed" desc=" Generated Methods ">
- //</editor-fold>
- //<editor-fold defaultstate="collapsed" desc=" Generated Method: initialize ">
- /**
- * Initilizes the application.
- * It is called only once when the MIDlet is started. The method is called before the <code>startMIDlet</code> method.
- */
- private void initialize() {
- // write pre-initialize user code here
- // write post-initialize user code here
- }
- //</editor-fold>
- //<editor-fold defaultstate="collapsed" desc=" Generated Method: startMIDlet ">
- /**
- * Performs an action assigned to the Mobile Device - MIDlet Started point.
- */
- public void startMIDlet() {
- // write pre-action user code here
- switchDisplayable(null, getForm());
- // write post-action user code here
- }
- //</editor-fold>
- //<editor-fold defaultstate="collapsed" desc=" Generated Method: resumeMIDlet ">
- /**
- * Performs an action assigned to the Mobile Device - MIDlet Resumed point.
- */
- public void resumeMIDlet() {
- // write pre-action user code here
- // write post-action user code here
- }
- //</editor-fold>
- //<editor-fold defaultstate="collapsed" desc=" Generated Method: switchDisplayable ">
- /**
- * Switches a current displayable in a display. The <code>display</code> instance is taken from <code>getDisplay</code> method. This method is used by all actions in the design for switching displayable.
- * @param alert the Alert which is temporarily set to the display; if <code>null</code>, then <code>nextDisplayable</code> is set immediately
- * @param nextDisplayable the Displayable to be set
- */
- public void switchDisplayable(Alert alert, Displayable nextDisplayable) {
- // write pre-switch user code here
- Display display = getDisplay();
- if (alert == null) {
- display.setCurrent(nextDisplayable);
- } else {
- display.setCurrent(alert, nextDisplayable);
- }
- // write post-switch user code here
- }
- //</editor-fold>
- //<editor-fold defaultstate="collapsed" desc=" Generated Method: commandAction for Displayables ">
- /**
- * Called by a system to indicated that a command has been invoked on a particular displayable.
- * @param command the Command that was invoked
- * @param displayable the Displayable where the command was invoked
- */
- public void commandAction(Command command, Displayable displayable) {
- // write pre-action user code here
- if (displayable == form) {
- if (command == exitCommand) {
- // write pre-action user code here
- exitMIDlet();
- // write post-action user code here
- }
- }
- // write post-action user code here
- }
- //</editor-fold>
- //<editor-fold defaultstate="collapsed" desc=" Generated Getter: exitCommand ">
- /**
- * Returns an initiliazed instance of exitCommand component.
- * @return the initialized component instance
- */
- public Command getExitCommand() {
- if (exitCommand == null) {
- // write pre-init user code here
- exitCommand = new Command("Exit", Command.EXIT, 0);
- // write post-init user code here
- }
- return exitCommand;
- }
- //</editor-fold>
- //<editor-fold defaultstate="collapsed" desc=" Generated Getter: form ">
- /**
- * Returns an initiliazed instance of form component.
- * @return the initialized component instance
- */
- public Form getForm() {
- if (form == null) {
- // write pre-init user code here
- form = new Form("Welcome", new Item[] { getLblUserName(), getTxtUserName(), getLblPassword(), getTxtPassword(), getLblBlankSpace(), getCmdOK(), getStringItem() });
- form.addCommand(getExitCommand());
- form.setCommandListener(this);
- // write post-init user code here
- }
- return form;
- }
- //</editor-fold>
- //</editor-fold>
- //<editor-fold defaultstate="collapsed" desc=" Generated Getter: lblUserName ">
- /**
- * Returns an initiliazed instance of lblUserName component.
- * @return the initialized component instance
- */
- public StringItem getLblUserName() {
- if (lblUserName == null) {
- // write pre-init user code here
- lblUserName = new StringItem("User Name :", "");
- lblUserName.setLayout(ImageItem.LAYOUT_CENTER);
- // write post-init user code here
- }
- return lblUserName;
- }
- //</editor-fold>
- //<editor-fold defaultstate="collapsed" desc=" Generated Getter: txtUserName ">
- /**
- * Returns an initiliazed instance of txtUserName component.
- * @return the initialized component instance
- */
- public TextField getTxtUserName() {
- if (txtUserName == null) {
- // write pre-init user code here
- txtUserName = new TextField("", "", 32, TextField.ANY);
- txtUserName.setLayout(ImageItem.LAYOUT_CENTER | ImageItem.LAYOUT_NEWLINE_AFTER);
- // write post-init user code here
- }
- return txtUserName;
- }
- //</editor-fold>
- //<editor-fold defaultstate="collapsed" desc=" Generated Getter: lblPassword ">
- /**
- * Returns an initiliazed instance of lblPassword component.
- * @return the initialized component instance
- */
- public StringItem getLblPassword() {
- if (lblPassword == null) {
- // write pre-init user code here
- lblPassword = new StringItem("Password :", "");
- lblPassword.setLayout(ImageItem.LAYOUT_CENTER | ImageItem.LAYOUT_NEWLINE_AFTER);
- // write post-init user code here
- }
- return lblPassword;
- }
- //</editor-fold>
- //<editor-fold defaultstate="collapsed" desc=" Generated Getter: txtPassword ">
- /**
- * Returns an initiliazed instance of txtPassword component.
- * @return the initialized component instance
- */
- public TextField getTxtPassword() {
- if (txtPassword == null) {
- // write pre-init user code here
- txtPassword = new TextField("", "", 32, TextField.ANY);
- txtPassword.setLayout(ImageItem.LAYOUT_CENTER | ImageItem.LAYOUT_NEWLINE_AFTER);
- // write post-init user code here
- }
- return txtPassword;
- }
- //</editor-fold>
- //</editor-fold>
- //<editor-fold defaultstate="collapsed" desc=" Generated Getter: lblBlankSpace ">
- /**
- * Returns an initiliazed instance of lblBlankSpace component.
- * @return the initialized component instance
- */
- public StringItem getLblBlankSpace() {
- if (lblBlankSpace == null) {
- // write pre-init user code here
- lblBlankSpace = new StringItem("", "");
- // write post-init user code here
- }
- return lblBlankSpace;
- }
- //</editor-fold>
- //<editor-fold defaultstate="collapsed" desc=" Generated Method: commandAction for Items ">
- /**
- * Called by a system to indicated that a command has been invoked on a particular item.
- * @param command the Command that was invoked
- * @param displayable the Item where the command was invoked
- */
- public void commandAction(Command command, Item item) {
- // write pre-action user code here
- if (item == cmdOK) {
- if (command == okCommand) {
- // write pre-action user code here
- // write post-action user code here
- }
- } else if (item == stringItem) {
- if (command == exitCommand1) {
- // write pre-action user code here
- exitMIDlet();
- // write post-action user code here
- }
- }
- // write post-action user code here
- }
- //</editor-fold>
- //<editor-fold defaultstate="collapsed" desc=" Generated Getter: okCommand ">
- /**
- * Returns an initiliazed instance of okCommand component.
- * @return the initialized component instance
- */
- public Command getOkCommand() {
- if (okCommand == null) {
- // write pre-init user code here
- okCommand = new Command("Ok", Command.OK, 0);
- // write post-init user code here
- }
- return okCommand;
- }
- //</editor-fold>
- //<editor-fold defaultstate="collapsed" desc=" Generated Getter: cmdOK ">
- /**
- * Returns an initiliazed instance of cmdOK component.
- * @return the initialized component instance
- */
- public StringItem getCmdOK() {
- if (cmdOK == null) {
- // write pre-init user code here
- cmdOK = new StringItem("Login", "", Item.BUTTON);
- cmdOK.addCommand(getOkCommand());
- cmdOK.setItemCommandListener(this);
- // write post-init user code here
- }
- return cmdOK;
- }
- //</editor-fold>
- //<editor-fold defaultstate="collapsed" desc=" Generated Getter: stringItem ">
- /**
- * Returns an initiliazed instance of stringItem component.
- * @return the initialized component instance
- */
- public StringItem getStringItem() {
- if (stringItem == null) {
- // write pre-init user code here
- stringItem = new StringItem("Cancel", "", Item.BUTTON);
- stringItem.addCommand(getExitCommand1());
- stringItem.setItemCommandListener(this);
- // write post-init user code here
- }
- return stringItem;
- }
- //</editor-fold>
- //<editor-fold defaultstate="collapsed" desc=" Generated Getter: exitCommand1 ">
- /**
- * Returns an initiliazed instance of exitCommand1 component.
- * @return the initialized component instance
- */
- public Command getExitCommand1() {
- if (exitCommand1 == null) {
- // write pre-init user code here
- exitCommand1 = new Command("Exit", Command.EXIT, 0);
- // write post-init user code here
- }
- return exitCommand1;
- }
- //</editor-fold>
- /**
- * Returns a display instance.
- * @return the display instance.
- */
- public Display getDisplay () {
- return Display.getDisplay(this);
- }
- /**
- * Exits MIDlet.
- */
- public void exitMIDlet() {
- switchDisplayable (null, null);
- destroyApp(true);
- notifyDestroyed();
- }
- /**
- * Called when MIDlet is started.
- * Checks whether the MIDlet have been already started and initialize/starts or resumes the MIDlet.
- */
- public void startApp() {
- if (midletPaused) {
- resumeMIDlet ();
- } else {
- initialize ();
- startMIDlet ();
- }
- midletPaused = false;
- }
- /**
- * Called when MIDlet is paused.
- */
- public void pauseApp() {
- midletPaused = true;
- }
- /**
- * Called to signal the MIDlet to terminate.
- * @param unconditional if true, then the MIDlet has to be unconditionally terminated and all resources has to be released.
- */
- public void destroyApp(boolean unconditional) {
- }
- }
- login = new StringItem("", "Login", StringItem.BUTTON);
- select = new Command("Select", Command.OK, 0);
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