I want to set gauge object in Alert to show the progress but it is giving java.lang.IllegalArgumentException
public class AlertTest extends MIDlet implements CommandListener {
Display display;
TextBox txtbox;
Command cmd;
public void startApp() {
display=Display.getDisplay(this);
txtbox=new TextBox("Message", null, 160, 0);
cmd=new Command("Send", Command.OK, 1);
txtbox.addCommand(cmd);
txtbox.setCommandListener(this);
display.setCurrent(txtbox);
}
public void pauseApp() {
}
public void destroyApp(boolean unconditional) {
}
public void commandAction(Command c,Displayable d){
Gauge gauge = new Gauge("", false, Gauge.INDEFINITE, Gauge.CONTINUOUS_RUNNING);
Alert retrieve = new Alert("Retrieving Contacts");
retrieve.setIndicator(gauge);
display.setCurrent(retrieve,txtbox);
}
}
how to solve this problem?
Gauge label should be set to null when used within Alert:
For example:
Gauge gauge = new Gauge(null, false, Gauge.INDEFINITE, Gauge.CONTINUOUS_RUNNING);
Marco
Related
I'm trying to implement Menu with select box which sets to display or not component. I have this checkbox:
final CheckMenuItem toolbarSubMenuNavigation = new CheckMenuItem("Navigation");
toolbarSubMenuNavigation.setOnAction(new EventHandler<ActionEvent>()
{
#Override
public void handle(ActionEvent e)
{
DataTabs.renderTab = toolbarSubMenuNavigation.isSelected();
// call here the getter setter and send boolean flag
System.out.println("subsystem1 #1 Enabled!");
}
});
And I have this tabpane which I want to render only if I have selected the checkbox:
public static boolean renderTab;
public DataTabs()
{
}
public boolean isRenderTab()
{
return renderTab;
}
public void setRenderTab(boolean renderTab)
{
this.renderTab = renderTab;
}
// below this code
tabPane.setVisible(renderTab);
When I run the code it's not working. I also tested this:
DataTabs tabs = new DataTabs(); // instantiate first
tabs.setRenderTab(toolbarSubMenuNavigation.isSelected());
public static boolean renderTab;
TabPane tabPane = new TabPane();
public DataTabs()
{
}
public boolean isRenderTab()
{
return renderTab;
}
public void setRenderTab(boolean renderTab)
{
tabPane.setVisible(renderTab);
}
But again there is no result when I run the code and I check or uncheck the checkbox.
This is the complete source code:
http://pastebin.com/tkj4Fby1
Maybe I need to add listener or something else which I'm missing?
EDIT
Test 3
I also tested this code:
final CheckMenuItem toolbarSubMenuNavigation = new CheckMenuItem("Navigation");
toolbarSubMenuNavigation.setOnAction(new EventHandler<ActionEvent>()
{
#Override
public void handle(ActionEvent e)
{
DataTabs.toolbarSubMenuNavigation = toolbarSubMenuNavigation;
// call here the getter setter and send boolean flag
System.out.println("subsystem1 #1 Enabled!");
}
});
// class with tabs
public static CheckMenuItem toolbarSubMenuNavigation;
public static CheckMenuItem getToolbarSubMenuNavigation()
{
return toolbarSubMenuNavigation;
}
public static void setToolbarSubMenuNavigation(CheckMenuItem toolbarSubMenuNavigation)
{
DataTabs.toolbarSubMenuNavigation = toolbarSubMenuNavigation;
}
// below
abPane.visibleProperty().bind(toolbarSubMenuNavigation.selectedProperty());
I get NPE when I run the code.
You can easely tell to your tab to be visible when you check the box in one line
yourTab.visibleProperty().bind(yourCheckBox.selectedProperty());
And just with this line your tabpane will be visible only when it's checked
Is it possible to get the value of phobe in-call volume from java me midlet? Changing of the volume is not necessary.
Thanks.
AFAIK,
It is not possible to access the phone volume. But you can set your application volume or get the application.
Sample code for Controlling the volume of your application :
import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;
import javax.microedition.lcdui.Ticker;
import javax.microedition.media.*;
public class VolumeControlDemo extends MIDlet implements CommandListener {
private Display display;
private Command exit,incr,decr;
Form frm;
VolumeControl vc;
int vol;
Player player;
public VolumeControlDemo() {
display = Display.getDisplay(this);
}
public void startApp() {
frm=new Form("VolumeControlDemo Demo");
exit= new Command("Exit",Command.EXIT,1);
decr= new Command("Decrease",Command.EXIT,1);
incr= new Command("Increase",Command.EXIT,1);
frm.addCommand(exit);
frm.addCommand(decr);
frm.addCommand(incr);
frm.setCommandListener(this);
display.setCurrent(frm);
try {
// Creating player object
player = Manager.createPlayer("/demo.wav");
// Setting loop count
player.setLoopCount(-1);
// Start sound
player.start();
Control cs[];
// Getting Controls object
cs = player.getControls();
for (int i = 0; i < cs.length; i++) {
if (cs[i] instanceof VolumeControl)
// Getting volume control
vc=(VolumeControl)cs[i];
}
} catch (Exception e) {}
}
public void pauseApp() {
}
public void destroyApp(boolean un) {
}
public void commandAction(Command cmd,Displayable d) {
try {
if(decr) {
if(vol>0) vol--;
vc.setLevel(vol);
} else if() {
if(vol<99) vol--;
vc.setLevel(vol);
}
frm.appent("vol="+vc.getLevel());
}catch(Exception e){}
}
}
How to make checkbox/combobox readonly in javaFX but not disabled.
I tried consuming onAction event but it didn't work.
checkBox.setOnAction(new EventHandler<ActionEvent>() {
#Override
public void handle(ActionEvent event) {
event.consume();
}
});
Consuming all events like in code below works but I don't think it's a good solution:
checkBox.addEventFilter(KeyEvent.ANY, new EventHandler<KeyEvent>() {
#Override
public void handle(KeyEvent event) {
event.consume();
}
});
checkBox.addEventFilter(MouseEvent.ANY, new EventHandler<MouseEvent>() {
#Override
public void handle(MouseEventevent) {
event.consume();
}
});
You can set the check box to disabled but set the the look of it using CSS. If you are using the default style you can make the check box look 'normal' by setting full opacity.
checkbox.setStyle("-fx-opacity: 1");
It is probably a similar deal with the combo box.
You can override method CheckBox#arm() with an empty one:
CheckBox cb = new CheckBox("hi") {
#Override
public void arm() {
// intentionally do nothing
}
};
If you do not want to overwrite the CheckBok class, you can use the selectedProperty.
CheckBox cb = new CheckBox("hi");
cb.selectedProperty().addListener(new NCL());
class NCL implements ChangeListener<Boolean> {
#Override
public void changed(ObservableValue<? extends Boolean> ov, Boolean old_val, Boolean new_val) {
cb.setSelected(false);
}
}
How to Implement a MIDlet that gets invoked when a SMS is sent to port 50000?
The code is not working. SMS can't be received on the phone, SMS is sent through the emulator (JAVA Me SDK).
What settings should be done to receive the SMS ?
my code:
/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
import java.io.IOException;
import javax.microedition.io.PushRegistry;
import javax.microedition.lcdui.*;
import javax.microedition.midlet.MIDlet;
/**
* #author bonni
*/
public class Midletsms extends MIDlet implements CommandListener{
protected Display display;
//boolean started=false;
Form form = new Form("Welcome");
Command mCommandQuit;
public void startApp() {
String url = "sms://:50000";
try {
PushRegistry.registerConnection(url,this.getClass().getName(), "*");
// PushRegistry.registerConnection(url,"Midletsms.class", "*");
} catch (IOException ex) {
} catch (ClassNotFoundException ex) {
}
form.append("This midlet gets invoked when message is sent to port:50000");
display = Display.getDisplay(this);
display.setCurrent(form);
mCommandQuit = new Command("Quit", Command.EXIT, 0);
form.addCommand(mCommandQuit);
form.setCommandListener(this);
}
public void pauseApp() {
}
public void destroyApp(boolean unconditional) {
}
public void commandAction(Command c, Displayable d) {
// throw new UnsupportedOperationException("Not supported yet.");
String label = c.getLabel();
if(label.equals("Quit"))
{
destroyApp(false);
notifyDestroyed();
}
}
}
Not sure I fully understand the problem. But you need to read about PushRegistry.
So there are two types of push registration, static and dynamic.
The code example you have given uses dynamic registration. You will need to manually invoke this MIDlet at least once in order for the push registration to happen. (Aside: In your example you are doing this in the startApp method, this is a very bad idea! Push registration is a potentially blocking operation, and therefore should not be done in a lifecycle method such as startApp. You should do this in a new thread).
The alternative is static registration, where you include the push information in the jad. The push port will be registered when the MIDlet is installed, without the need to run it.
Finally, you say
sms is sent through the emulator
what does this mean? In order for the app to start you need to send an SMS on the relevant port number from another MIDlet (this could be on the same handset if you want).
I found this code on net from Jimmy's blog and it is perfectly working. You can try it your self,
SMSSender.java
public class SMSSender extends MIDlet implements CommandListener {
private Form formSender = new Form("SMS Sender");
private TextField tfDestination = new TextField("Destination", "", 20, TextField.PHONENUMBER);
private TextField tfPort = new TextField("Port", "50000", 6, TextField.NUMERIC);
private TextField tfMessage = new TextField("Message", "message", 150, TextField.ANY);
private Command cmdSend = new Command("Send", Command.OK, 1);
private Command cmdExit = new Command("Exit", Command.EXIT, 1);
private Display display;
public SMSSender() {
formSender.append(tfDestination);
formSender.append(tfPort);
formSender.append(tfMessage);
formSender.addCommand(cmdSend);
formSender.addCommand(cmdExit);
formSender.setCommandListener(this);
display = Display.getDisplay(this);
}
protected void destroyApp(boolean arg0) throws MIDletStateChangeException {
}
protected void pauseApp() {
}
protected void startApp() throws MIDletStateChangeException {
display.setCurrent(formSender);
}
public void commandAction(Command c, Displayable d) {
if (c==cmdSend) {
SendMessage.execute(tfDestination.getString(), tfPort.getString(), tfMessage.getString());
} else if (c==cmdExit) {
notifyDestroyed();
}
}
}
class SendMessage {
public static void execute(final String destination, final String port, final String message) {
Thread thread = new Thread(new Runnable() {
public void run() {
MessageConnection msgConnection;
try {
msgConnection = (MessageConnection)Connector.open("sms://"+destination+":" + port);
TextMessage textMessage = (TextMessage)msgConnection.newMessage(
MessageConnection.TEXT_MESSAGE);
textMessage.setPayloadText(message);
msgConnection.send(textMessage);
msgConnection.close();
} catch (IOException e) {
e.printStackTrace();
}
}
});
thread.start();
}
}
SMSReceiver.java
public class SMSReceiver extends MIDlet implements CommandListener, MessageListener {
private Form formReceiver = new Form("SMS Receiver");
private TextField tfPort = new TextField("Port", "50000", 6, TextField.NUMERIC);
private Command cmdListen = new Command("Listen", Command.OK, 1);
private Command cmdExit = new Command("Exit", Command.EXIT, 1);
private Display display;
public SMSReceiver() {
formReceiver.append(tfPort);
formReceiver.addCommand(cmdListen);
formReceiver.addCommand(cmdExit);
formReceiver.setCommandListener(this);
display = Display.getDisplay(this);
}
protected void destroyApp(boolean unconditional)
throws MIDletStateChangeException {
}
protected void pauseApp() {
}
protected void startApp() throws MIDletStateChangeException {
display.setCurrent(formReceiver);
}
public void commandAction(Command c, Displayable d) {
if (c==cmdListen) {
ListenSMS sms = new ListenSMS(tfPort.getString(), this);
sms.start();
formReceiver.removeCommand(cmdListen);
} else if (c==cmdExit) {
notifyDestroyed();
}
}
public void notifyIncomingMessage(MessageConnection conn) {
Message message;
try {
message = conn.receive();
if (message instanceof TextMessage) {
TextMessage tMessage = (TextMessage)message;
formReceiver.append("Message received : "+tMessage.getPayloadText()+"\n");
} else {
formReceiver.append("Unknown Message received\n");
}
} catch (InterruptedIOException e) {
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
class ListenSMS extends Thread {
private MessageConnection msgConnection;
private MessageListener listener;
private String port;
public ListenSMS(String port, MessageListener listener) {
this.port = port;
this.listener = listener;
}
public void run() {
try {
msgConnection = (MessageConnection)Connector.open("sms://:" + port);
msgConnection.setMessageListener(listener);
} catch (IOException e) {
e.printStackTrace();
}
}
}
I want to make my phone vibrate when my game ends. I tried using
Display display = Display.getDisplay(midlet);
display.vibrate(2000);
but display.vibrate(2000) returns false and the device does not vibrate.
Can anyone help.
I am trying it on Nokia C7 device. (Symbian^3)
According to Display.vibrate documentation "The return value indicates if the vibrator can be controlled by the application." If you are calling vibrate during destroyApp the VM might be ignoring the vibrate request.
Try calling Display.vibrate before you call MIDlet.notifyDestroyed
Try this code and see if it works.
It worked for me on nokia e63
package ravi.vibrationClass;
import javax.microedition.lcdui.*;
import javax.microedition.midlet.*;
public class Vibrate extends MIDlet implements CommandListener{
Form form;
Display disp;
Command vib,exit;
public void startApp() {
form = new Form("Vibration");
disp = Display.getDisplay(this);
exit = new Command("Exit", Command.EXIT, 1);
vib = new Command("Vibrate", Command.OK, 1);
form.append("Press \"vibrate\" to make the phone vibrate");
form.addCommand(vib);
form.addCommand(exit);
form.setCommandListener(this);
disp.setCurrent(form);
}
public void pauseApp() {
}
public void destroyApp(boolean unconditional) {
notifyDestroyed();
}
public void commandAction(Command c, Displayable arg1) {
if(c == vib){
disp.vibrate(125);
}else if(c == exit){
destroyApp(true);
}
}
}