Java Code Examples for com.codename1.ui.Button#addActionListener()

public void start() {
    if(current != null){
        current.show();
        return;
    }
    Form f = new Form("Form 1", BoxLayout.y());
    TextField tf1 = new TextField();
    tf1.setConstraint(TextField.PASSWORD);
    f.add(tf1);
    Button b = new Button("Login");
    b.addActionListener(e->{
        Form f2 = new Form("F2", BoxLayout.y());
        TextField t2 = new TextField();
        ComboBox cb = new ComboBox("Red", "Green", "Blue");
        f2.addAll(t2, cb);
        Button b2 = new Button("Submit");
        f2.add(b2);
        f2.show();
        
    });
    f.add(b);
    f.show();
}
 

public void start() {
    if(current != null){
        current.show();
        return;
    }
    Form hi = new Form("Hi World", BoxLayout.y());
    
    int len = 100;
    for (int i=0; i<len; i++) {
        Container cnt = new Container(new FlowLayout());
        $(cnt).selectAllStyles().setBgTransparency(0xff).setBgColor(0xffffff);
        SwipeableContainer sc = new SwipeableContainer(BoxLayout.encloseX(new Button("This is a button")),BoxLayout.encloseX(new Button("This is another button")), cnt);
        Button b = new Button("Button "+i);
        b.addActionListener(evt->{
            System.out.println("button pressed");
        });
        cnt.add(b);
        cnt.setLeadComponent(b);
        hi.add(sc);
    }
    hi.setScrollableY(true);
    
    hi.add(new Label("Hi World"));
    hi.show();
}
 

Container createToolbar(long imageId) {
    Container toolbar = new Container(new GridLayout(1, 4));
    toolbar.setUIID("Toolbar");
    // notice that the characters in the name of the buttons map to icons in the icon font!
    Button likeButton = new Button("d");
    Button flagButton = new Button("c");
    Button detailsButton = new Button("a");
    final ShareButton shareButton = new ShareButton();
    shareButton.setIcon(null);
    shareButton.setText("b");

    bindShareButtonSelectionListener(shareButton);

    likeButton.setUIID("ToolbarLabel");
    flagButton.setUIID("ToolbarLabel");
    detailsButton.setUIID("ToolbarLabel");
    shareButton.setUIID("ToolbarLabel");
    toolbar.addComponent(likeButton);
    toolbar.addComponent(shareButton);
    toolbar.addComponent(detailsButton);
    toolbar.addComponent(flagButton);

    likeButton.addActionListener(createLikeAction(imageId));
    detailsButton.addActionListener(createDetailsButtonActionListener(imageId));
    return toolbar;
}
 

public void start() {
    if(current != null){
        current.show();
        return;
    }
    hi = new Form("Hi World", BoxLayout.y());

    Button a = new Button("Show old webview");
    a.addActionListener((e) -> {
    	Display.getInstance().setProperty("BrowserComponent.useWKWebView", "false");
    	showWebView();
    });
    
    
    Button b = new Button("Show WKwebview");
    b.addActionListener((e) -> {
    	Display.getInstance().setProperty("BrowserComponent.useWKWebView", "true");
    	showWebView();
    });
    
    hi.add(a).add(b);
    
    hi.show();
}
 

public void start() {
    if(current != null){
        current.show();
        return;
    }
    Form hi = new Form("Hi World", BoxLayout.y());
    ScaleImageLabel label = new ScaleImageLabel();
    
    hi.add(new Label("Hi World"));
    Button btn = new Button("Update Label");
    btn.addActionListener(evt->{
        pressCount++;
        String message = "Pressed " + pressCount + " times";
        try {
            loadTextImage(label, label.getIcon(), message, label.getWidth(), label.getHeight());
        } catch (Exception ex) {
            Log.e(ex);
        }
    });
    hi.add(FlowLayout.encloseIn(label)).add(btn);
        
    hi.show();
}
 

/**
 * Wraps the given text field with a UI that will allow us to clear it
 * @param tf the text field
 * @param iconSize size in millimeters for the clear icon, -1 for default size
 * @return a Container that should be added to the UI instead of the actual text field
 */
public static ClearableTextField wrap(final TextArea tf, float iconSize) {
    ClearableTextField cf = new ClearableTextField();
    Button b = new Button("", tf.getUIID());
    if(iconSize > 0) {
        FontImage.setMaterialIcon(b, FontImage.MATERIAL_CLEAR, iconSize);
    } else {
        FontImage.setMaterialIcon(b, FontImage.MATERIAL_CLEAR);
    }
    removeCmpBackground(tf);
    removeCmpBackground(b);
    cf.setUIID(tf.getUIID());
    cf.add(BorderLayout.CENTER, tf);
    cf.add(BorderLayout.EAST, b);
    b.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent evt) {
            tf.stopEditing();
            tf.setText("");
            tf.startEditingAsync();
        }
    });
    return cf;        
}
 

public void start() {
    if(current != null){
        current.show();
        return;
    }
    Form hi = new Form("Socket Sample", BoxLayout.y());
    Button server = new Button("Server Sockets");
    Button client = new Button("Client Socket");
    server.addActionListener(evt->{
        new ServerForm().show();
    });
    
    client.addActionListener(evt->{
        new ClientForm().show();
    });
    
    hi.add(new Label("Select mode")).add(server).add(client);
    hi.show();
}
 

public void showAnotherForm(){
    Form form = new Form(new BorderLayout(BorderLayout.CENTER_BEHAVIOR_SCALE));
    form.setScrollable(false);
    Container container = new Container(BoxLayout.y());
    container.add(new Label("Test", "heading5"));
    container.add(new Label("", "newLine"));
    container.add(new Label("", "newLine"));

    final Picker fromDate = new Picker();
    fromDate.setType(Display.PICKER_TYPE_DATE);
    container.add(new Label("From Date", "heading7"));
    container.add(fromDate);
    container.add(new Label("", "newLine"));

    final Picker toDate = new Picker();
    toDate.setType(Display.PICKER_TYPE_DATE);
    container.add(new Label("To Date", "heading7"));
    container.add(toDate);

    Button nextBtn = new Button("Proceed");
    nextBtn.setUIID("loginBtn");
    nextBtn.addActionListener((ev) -> {
        DateFormat dateFormat = new SimpleDateFormat("dd-MMM-yyyy");
        String fromDateStr = dateFormat.format(fromDate.getDate());
        String toDateStr = dateFormat.format(toDate.getDate());
        
    });
    container.add(new Label("", "newLine"));
    container.add(new Label("", "newLine"));
    container.add(nextBtn);
    form.add(BorderLayout.CENTER, container);
    
    form.show();
}
 

BrowserForm() {
    super(new BorderLayout());
    add(BorderLayout.CENTER, bc);
    Button b = new Button("Toggle Fullscreen");
    b.addActionListener(e->{
        if (Display.getInstance().isInFullScreenMode()) {
            Display.getInstance().exitFullScreen();
        } else {
            Display.getInstance().requestFullScreen();
        }
    });
    add(BorderLayout.SOUTH, b);
}
 

protected void buildTitle() {
	// fix the title so we can add the date chooser to it
	Button btnTest = new Button("Click Me");
	btnTest.addActionListener(l->onTest());
	Label lblTitle = new Label("Speach");
	lblTitle.getAllStyles().setAlignment(CENTER);

	Container cntTitle = new Container(new BorderLayout());
	cntTitle.add(BorderLayout.WEST, btnTest);
	cntTitle.add(BorderLayout.CENTER, lblTitle);

	getToolbar().setTitleCentered(false);
	getToolbar().setTitleComponent(cntTitle);
}
 

public void start() {
    if(current != null){
        current.show();
        return;
    }
    Form hi = new Form("Hi World", BoxLayout.y());
    Button b = new Button("Show Details");
    b.addActionListener(e->{
        showForm();
    });
    hi.add(b);
    hi.show();
}
 

public void start() {
    if (current != null) {
        current.show();
        return;
    }
    
    
    Form hi = new Form();
    
    hi.setToolbar(new Toolbar());
    
    hi.setTitle("Test Fonts");
    
    List<FontWrapper> fonts = new ArrayList<>();
    
    int fontSize = Display.getInstance().convertToPixels(3);
    fonts.add(new FontWrapper("Suisse Intl", Font.createTrueTypeFont("Suisse Int'l", "Suisse Int'l.ttf").derive(fontSize, Font.STYLE_PLAIN)));
    fonts.add(new FontWrapper("OpenSans-Regular", Font.createTrueTypeFont("OpenSans-Regular", "OpenSans-Regular.ttf").derive(fontSize, Font.STYLE_PLAIN)));
    fonts.add(new FontWrapper("OpenSans-Light", Font.createTrueTypeFont("OpenSans-Light", "OpenSans-Light.ttf").derive(fontSize, Font.STYLE_PLAIN)));
    fonts.add(new FontWrapper("OpenSans-Semibold", Font.createTrueTypeFont("OpenSans-Semibold", "OpenSans-Semibold.ttf").derive(fontSize, Font.STYLE_PLAIN)));
    fonts.add(new FontWrapper("ArialBD", Font.createTrueTypeFont("arialbd", "arialbd.ttf").derive(fontSize, Font.STYLE_PLAIN)));
    fonts.add(new FontWrapper("System Font Medium", Font.createSystemFont(Font.FACE_SYSTEM, Font.STYLE_PLAIN, Font.SIZE_MEDIUM)));
    fonts.add(new FontWrapper("System Font Large", Font.createSystemFont(Font.FACE_SYSTEM, Font.STYLE_PLAIN, Font.SIZE_LARGE)));
    fonts.add(new FontWrapper("native:MainRegular", Font.createTrueTypeFont(Font.NATIVE_MAIN_REGULAR, Font.NATIVE_MAIN_REGULAR).derive(fontSize, Font.STYLE_PLAIN)));
    for (FontWrapper font : fonts) {
        Button b = new Button(font.name);
        b.addActionListener(e->{
            new ShaiForm(font.name, font.font).show();
        });
        hi.add(b);
    }
    
    hi.show();
}
 

public void start() {
    if(current != null){
        current.show();
        return;
    }
    Form f = new Form("NativePlayerMode Test");
    f.setLayout(BoxLayout.y());
    
    Button playButton = new Button("Play Video");
    playButton.addActionListener(e->{
        String videoPath;
        if (isSimulator()) {
            videoPath = "http://www.codenameone.com/files/hello-codenameone.mp4";
        } else {
            videoPath = "https://www.codenameone.com/files/hello-codenameone.mp4";
        }
        try {
            Media video = MediaManager.createMedia(videoPath, true);
            video.setNativePlayerMode(true); // this works nicely on iOS 12, I didn't test other iOS versions yet
            video.prepare();
            video.setFullScreen(true);
            video.play();
        } catch (Exception ex) {
            Log.e(ex);
        }
    });
    f.add(playButton);
    f.show();
    
    
}
 

public Container createDemo() {
    final Container contactsDemo = new Container(new BorderLayout());
    final Image defaultIcon = getResources().getImage("stock_new-meeting.png");
    
    ContactsModel m = new ContactsModel(Display.getInstance().getAllContacts(true));
    m.setPlaceHolderImage(defaultIcon);
    final List contactsList = new List(m);
    GridLayout grd = new GridLayout(3, 3);
    grd.setAutoFit(true);
    final ContainerList grid = new ContainerList(m);
    grid.setLayout(grd);
    contactsDemo.addComponent(BorderLayout.CENTER, contactsList);
    
    contactsList.setRenderer(createListRenderer());
    grid.setRenderer(createGridRenderer());
    
    final Button asGrid = new Button("As Grid");
    asGrid.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent ev) {
            if(contactsList.getParent() != null) {
                contactsDemo.replace(contactsList, grid, CommonTransitions.createSlide(CommonTransitions.SLIDE_HORIZONTAL, true, 300));
                asGrid.setText("As List");
            } else {
                contactsDemo.replace(grid, contactsList, CommonTransitions.createSlide(CommonTransitions.SLIDE_HORIZONTAL, false, 300));
                asGrid.setText("As Grid");
            }
        }
    });
    
    ComponentGroup gp = new ComponentGroup();
    gp.addComponent(asGrid);
    contactsDemo.addComponent(BorderLayout.SOUTH, gp);
    return contactsDemo;
}
 

public void start() {
    if(current != null){
        current.show();
        return;
    }
    Form hi = new Form("Hi World", BoxLayout.y());
    Button b = new Button("Show Details");
    b.addActionListener(e->{
        showForm();
    });
    hi.add(b);
    hi.show();
}
 

public void start() {
    if(current != null){
        current.show();
        return;
    }
    Form hi = new Form("Calendar", BoxLayout.y());
    DeviceCalendar dc = DeviceCalendar.getInstance();
    if(dc == null) {
        hi.add("Device Calendar is null");
        hi.show();
        return;
    }
    if(!dc.hasPermissions()) {
        hi.add("No Calendar Access Permission");
        hi.show();
        return;
    }
    Collection<String> cals = dc.getCalendars();
    if(cals == null || cals.isEmpty()) {
        hi.add("No Calendars found on the device");
        hi.show();
        return;
    }
    
    int week = 7 * 24 * 60 * 60000;
    Date lastWeek = new Date(System.currentTimeMillis() - week);
    Date nextWeek = new Date(System.currentTimeMillis() - week);
    
    for(String s : cals) {
        Button b = new Button(s);
        b.addActionListener(e -> {
            String calId = dc.openCalendar(s, false);
            Collection<EventInfo> events = dc.getEvents(calId, lastWeek, nextWeek);
            Form f = new Form("Events", BoxLayout.y());
            for(EventInfo ei : events) {
                f.add(new Label(
                    L10NManager.getInstance().formatDateTimeShort(ei.getStartTime()) + 
                        ei.getTitle()));
            }
            f.getToolbar().setBackCommand("", ee -> hi.showBack());
            f.show();
        });
        hi.add(b);
    }
    hi.show();
}
 

/**
 * Creates a new signature component.
 */
public SignatureComponent() {
    setLayout(new BorderLayout());
    xFont = Font.createSystemFont(Font.FACE_SYSTEM, Font.STYLE_BOLD, Font.SIZE_LARGE);
    lead = new Button() {

        @Override
        protected void paintBackground(Graphics g) {
            super.paintBackground(g);
            g.setColor(0x666666);
            Style s = getStyle();
            g.drawRect(
                    getX()+s.getPaddingLeftNoRTL(), 
                    getY()+s.getPaddingTop(),
                    getWidth()-s.getPaddingRightNoRTL()-s.getPaddingLeftNoRTL(),
                    getHeight()-s.getPaddingBottom() - s.getPaddingTop()
            );
            
            g.setFont(xFont);
            g.drawString("X", getX() + getStyle().getPaddingLeftNoRTL() + Display.getInstance().convertToPixels(3, true), getY() + getHeight() / 2);
        }

        
    };
    lead.setText(localize("SignatureComponent.LeadText","Press to sign"));
    lead.setUIID("SignatureButton");
    lead.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent evt) {
            final Dialog dialog = new Dialog(localize("SignatureComponent.DialogTitle", "Sign Here"));
            final SignatureDialogBody sigBody = new SignatureDialogBody() {
                @Override
                protected void onCancel() {
                    super.onCancel();
                    dialog.dispose();
                }
            };

            sigBody.addActionListener(new ActionListener() {
                public void actionPerformed(ActionEvent sigDoneEvent) {
                    dialog.dispose();
                    setSignatureImage(sigBody.getValue());
                    fireActionEvent();

                }
            });

            dialog.setLayout(new BorderLayout());
            dialog.addComponent(BorderLayout.CENTER, sigBody);
            dialog.setScrollable(false);
            dialog.setFocusable(false);
            dialog.show();
        }
    });
    addComponent(BorderLayout.CENTER, lead);
}
 

public void start() {
    if(current != null){
        current.show();
        return;
    }
    final Form hi = new Form("Hi World", BoxLayout.y());
    TextField dateStringIn = new TextField();
    TextField dateFormat = new TextField();
    Label shortMonth = new Label();
    Label longMonth = new Label();
    Label shortDate = new Label();
    Label longDate = new Label();
    Container result = new Container(BoxLayout.y());
    Button parse = new Button("Parse Date");
    Container resultWrapper = new Container(BoxLayout.y());
    
    parse.addActionListener(evt->{
        try {
            SimpleDateFormat inputFormat = new SimpleDateFormat(dateFormat.getText());
            Date dt = inputFormat.parse(dateStringIn.getText());
            
            SimpleDateFormat shortMonthFormat = new SimpleDateFormat("MMM");
            shortMonth.setText(shortMonthFormat.format(dt));
            
            SimpleDateFormat longMonthFormat = new SimpleDateFormat("MMMM");
            longMonth.setText(longMonthFormat.format(dt));
            
            longDate.setText(L10NManager.getInstance().formatDateLongStyle(dt));
            shortDate.setText(L10NManager.getInstance().formatDateShortStyle(dt));
            resultWrapper.removeAll();
            resultWrapper.add(result);
            hi.revalidateWithAnimationSafety();
        } catch (ParseException ex) {
            Log.e(ex);
            ToastBar.showErrorMessage("Parse failed: "+ex.getMessage());
        }
    });
    result.addAll(
            new Label("Short month name:"),
            shortMonth,
            new Label("Long month name:"),
            longMonth,
            new Label("Short Date:"),
            shortDate,
            new Label("Long Date:"),
            longDate
    );

    hi.addAll(
            new Label("Date:"),
            dateStringIn,
            new Label("Date Format:"),
            dateFormat,
            parse,
            resultWrapper
    );
    
    
    
    
    
    hi.show();
}
 

public void start() {
    if(current != null){
        current.show();
        return;
    }
    Form hi = new Form("Hi World", BoxLayout.y());
    Button showProgress = new Button("Show InfiniteProgress");
    showProgress.addActionListener(e->{
        callSerially(()->{
            Dialog dlg = new Dialog();
            dlg.setDialogUIID("Container");
            dlg.setTintColor(0x0);
            dlg.setLayout(new BorderLayout());
            SpanLabel message = new SpanLabel("This is a progress message we wish to show");
            $("*", message).setFgColor(0xffffff);
            dlg.add(BorderLayout.CENTER, BoxLayout.encloseYCenter(FlowLayout.encloseCenter(new InfiniteProgress()), FlowLayout.encloseCenter(message)));

            dlg.setTransitionInAnimator(CommonTransitions.createEmpty());
            dlg.setTransitionOutAnimator(CommonTransitions.createEmpty());
            dlg.showPacked(BorderLayout.CENTER, false);

            //dlg.revalidateWithAnimationSafety();
            invokeAndBlock(()->{
                Util.sleep(5000);
            });
            dlg.dispose();
            
        });
    });
    
    Button showToastProgress = new Button("Show Toast Progress");
    showToastProgress.addActionListener(e->{
        callSerially(()->{
            Status status = ToastBar.getInstance().createStatus();
            status.setMessage("This is a progress message we wish to show");
            status.setShowProgressIndicator(true);
            status.show();
            invokeAndBlock(()->{
                Util.sleep(5000);
            });
            status.clear();
                    
        });
    });
    hi.addAll(showProgress, showToastProgress);
    hi.show();
}
 

public void start() {
    if(current != null){
        current.show();
        return;
    }
    Form hi = new Form("Hi World", new BorderLayout());
    BrowserComponent bc = new BrowserComponent();
    
    /* A test page to demonstrate posting messages cross-domain.  The source of this page is:
    <?php
    // This header is really just meant to break the X-Frame-Options sameorigin header
    // that is sent by default by Amazon Lightsail.  
    // In order ot display a page in an iFrame, you may need to fuss with 
    // the X-Frame-Options header.
    // More at https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/X-Frame-Options
    header('X-Frame-Options: allow-from http://localhost:58494');

    ?>
    <!DOCTYPE html>
    <html>
    <head>
    <script
      src="https://code.jquery.com/jquery-3.4.1.min.js"
      integrity="sha256-CSXorXvZcTkaix6Yvo6HppcZGetbYMGWSFlBw8HfCJo="
      crossorigin="anonymous"></script>

    <script>
    window.addEventListener("message", function(event) {
        var div = jQuery('<div></div>');
        jQuery(div).text(event.data);
        jQuery('body').append(div);
    }, false);

    function postToCN1(msg) {
        if (window.cn1PostMessage) {
            window.cn1PostMessage(msg);
        } else {
            window.parent.postMessage(msg, '*');
        }
    }
    </script>
    </head>
    <body>
    <h1>Listening to Messages...</h1>
    <p><input id='msg' type="text" value="Message To CN1"/></p>
    <p><button onclick="jQuery('body').append(jQuery('<span>foo</span>')); postToCN1(jQuery('#msg').val(), '*')">Send</p>
    </body>
    </html>
    
    */
    bc.setURL("https://weblite.ca/cn1tests/post_message_test.php");
    
    // Register a listener to receive messages sent from the BrowserComponent's webpage.
    // A simple javascript function to send a message to this handler from within your page
    // is:
    // function postToCN1(msg) {
    //    if (window.cn1PostMessage) {
    //        // Case 1: We are running in a native app in a WebView.
    //        window.cn1PostMessage(msg);
    //    } else {
    //        // Case 2: We are running in a Javascript app in an iframe
    //        window.parent.postMessage(msg, '*');
    //    }
    // }

    
    bc.addWebEventListener(BrowserComponent.onMessage, e->{
        CN.callSerially(()->{
            Log.p("Message: "+e.getSource());
            Dialog.show("Here", (String)e.getSource(), "OK", null);
        });
    });
    
    
    TextField message = new TextField("A sample message");
    Button b = new Button("Send Message");
    b.addActionListener(e->{
        
        // Send a message to the webpage.
        // This can be received in the webpage using the 'message' event.
        // E.g.
        /*
        window.addEventListener("message", function(event) {
            var div = jQuery('<div></div>');
            jQuery(div).text(event.data);
            jQuery('body').append(div);
        }, false);
        */
        bc.postMessage(message.getText(), "https://weblite.ca");
            // IMPORTANT: 2nd argument should be either '*' to target any origin
            // or the origin of the web page in the BrowserComponent.
            
        // See https://developer.mozilla.org/en-US/docs/Web/API/Window/postMessage for more information.
    });
    hi.add(CENTER, bc);
    hi.add(BorderLayout.SOUTH, BoxLayout.encloseY(message, b));
    hi.show();
}