Help me in screen sharing application in flex

hii iam new to flex
any one can help me in making screen sharing in flex 4.5
i tried it and i was facing problem in connecting to room. Lccs had stoped giving new account is their any
solution for it .can any one help me it's urgent some one replie me

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Screen Sharing Application

Hi,
I have to create a Screen Sharing Application in java. So I would like to know if it's possible to create a Screen Sharing Application in java and if it is, how can I start and where can I get information for it. Please is there anyone who can help me.
Thanks in advance!
Edited by: svatsi on Mar 10, 2010 5:09 PM

svatsi wrote:
the idea is to keep sharing my screen not just send a screenshot (e.g. if I watch a movie on my Pc then the client which is connected to me should be able to watch it too, like skype does)
Is that possible or could I do it by sharing a screenshot every millisecond?You don't need to send it every millisecond, that's way overkill. Find out what the frame rate of a typical movie is and use that rate as a more reasonable starting point.

Screen sharing using adobe flex builder 3

i want to develop screen sharing application using adobe flex builder 3.
please give me an idea to develop the application .
please give site reference or steps to implement.
pleaseeeeeeeeeeee friends.

Nobody is giving an idea. Even though i achieved it

I am looking for a Meeting/ Screen Sharing Application on iPad2 using which I can provide presentation/ screen sharing to other iPad or Windows PC.

I am looking for presentation/ screen sharing application for iPad 2. Similar to WEBEX or GoToMeeting using which I can give presentation using an iPad.

For sharing between iPads, this might be worth a look:
http://www.ideaflight.com/
Cisco has a WebX application for the iPad that says it allows scheduling, hosting, and attending meetings. There is a client for GoToMeeting for iPad, but I believe that you can only attend, not host.
Regards.

Need help with simple file sharing application

I have an assignment to build a Java File Sharing application. Since I'm relatively new to programming, this is not gonna be an easy task for me.
Therefore I was wondering if there are people willing to help me in the next few days. I will ask questions in this thread, there will be loads of them.
I already have something done but I'm not nearly halfway finished.
Is there a code example of a simple file sharing application somewhere? I didn't manage to find it.
More-less, this is what it needs to contain:
-client/server communication (almost over)
-file sending (upload, download)
-file search function (almost over)
-GUI of an application.
GUI is something I will do at the end, hopefully.
I hope someone will help me. Cheers
One more thing, I'm not asking for anyone to do my homework. I will only be needing some help in the various steps of building an application.
As I said code examples are most welcome.
This is what I have done so far
Server:
package ToJeTo;
import java.io.*;
import java.net.*;
public class MultiServer {
    public static ServerSocket serverskiSoket;
    public static int PORT = 1233;
    public static void main(String[] args) throws IOException {
        try {
            serverskiSoket = new ServerSocket(PORT);
        }catch (IOException e) {
            System.out.println("Connection impossible");
            System.exit(1);
        do {
            Socket client = serverskiSoket.accept();
            System.out.println("accepted");
            ClientHandler handler = new ClientHandler(client);
            handler.start();
        } while(true);
}Client:
package ToJeTo;
import java.io.IOException;
import java.io.PrintWriter;
import java.net.*;
import java.util.Scanner;
public class MultiClient {
    public static InetAddress host;
    public static int PORT = 1233;
    public static void main(String[] args) {
        try {
            host = InetAddress.getLocalHost();
        }catch (UnknownHostException uhe) {
            System.out.println("Error!");
            System.exit(1);
        sendMessages();
    private static void sendMessages() {
        Socket soket = null;
        try {
            soket = new Socket(host, PORT);
            Scanner networkInput = new Scanner(soket.getInputStream());
            PrintWriter networkOutput = new PrintWriter(soket.getOutputStream(), true);
            Scanner unos = new Scanner(System.in);
            String message, response;
            do {
                System.out.println("Enter message");
                message = unos.nextLine();
                networkOutput.println(message);
                response = networkInput.nextLine();
                System.out.println("Server: " + response);
            }while (!message.equals("QUIT"));
        } catch (IOException e) {
            e.printStackTrace();
        finally {
            try{
                System.out.println("Closing..");
                soket.close();
            } catch (IOException e) {
                System.out.println("Impossible to disconnect!");
                System.exit(1);
}ClientHandler:
package ToJeTo;
import java.io.*;
import java.net.*;
import java.util.*;
public class ClientHandler extends Thread {
    private Socket client;
    private Scanner input;
    private PrintWriter output;
    public ClientHandler(Socket serverskiSoket) {
        client = serverskiSoket;
        try {
        input = new Scanner(client.getInputStream());
        output = new PrintWriter(client.getOutputStream(), true);
        } catch (IOException e) {
            e.printStackTrace();
        public void run() {
            String received;
            do {
            received = input.nextLine();
            output.println("Reply: " + received);
            } while (!received.equals("QUIT"));
            try {
                if (client != null)
                    System.out.println("Closing the connection...");
                    client.close();
            }catch (IOException e) {
                System.out.println("Error!");
}Those three classes are simple client server multi-threaded connection.

Now the other part that contains the search function looks like this:
package ToJeTo;
import java.io.*;
import java.util.*;
public class User {
    String nickname;
    String ipAddress;
    static ArrayList<String> listOfFiles = new ArrayList<String>();
    File sharedFolder;
    String fileLocation;
    public User(String nickname, String ipAddress, String fileLocation) {
        this.nickname = nickname.toLowerCase();
        this.ipAddress = ipAddress;
        sharedFolder = new File(fileLocation);
        File[] files = sharedFolder.listFiles();
        for (int i = 0; i < files.length; i++) {
            listOfFiles.add(i, files.toString().substring(fileLocation.length()+1));
public static void showTheList() {
for (int i = 0; i < listOfFiles.size(); i++) {
System.out.println(listOfFiles.get(i).toString());
@Override
public String toString() {
return nickname + " " + ipAddress;
User Manager:
package ToJeTo;
import java.io.*;
import java.util.*;
class UserManager {
    static ArrayList<User> allTheUsers = new ArrayList<User>();;
    public static void addUser(User newUser) {
        allTheUsers.add(newUser);
    public static void showAndStoreTheListOfUsers() throws FileNotFoundException, IOException {
        BufferedWriter out = new BufferedWriter(new FileWriter("List Of Users.txt"));
        for (int i = 0; i < allTheUsers.size(); i++) {
                System.out.println(allTheUsers.get(i));
                out.write(allTheUsers.get(i).toString());
                out.newLine();
        out.close();
}Request For File
package ToJeTo;
import java.util.*;
public class RequestForFile {
    static ArrayList<String> listOfUsersWithFile = new ArrayList<String>();
    Scanner input;
    String fileName;
    public RequestForFile() {
        System.out.println("Type the wanted filename here: ");
        input = new Scanner(System.in);
        fileName = input.nextLine();
        for (User u : UserManager.allTheUsers) {
            for (String str : User.listOfFiles) {
                if (str.equalsIgnoreCase(fileName))
                    listOfUsersWithFile.add(u.nickname);
    public RequestForFile(String fileName) {
        for (User u : UserManager.allTheUsers) {
            for (String str : User.listOfFiles) {
                if (str.equalsIgnoreCase(fileName))
                    listOfUsersWithFile.add(u.nickname);
    public static List<String> getAll() {
        for (int i = 0; i < listOfUsersWithFile.size(); i++) {
            //System.out.println("User that has the file: " + listOfUsersWithFile.get(i));
        return listOfUsersWithFile;
}Now this is the general idea.
The user logs in with his nickname and ip address. He defines his own shared folder and makes it available for other users that log on to server.
Now each user has their own list of files from a shared folder. It's an ArrayList.
User manager class is there to store another list, a list of users that are connected with server.
When the user is searching for a particular file, he is searching through all the users and their respective files lists. Therefore for each loop inside a for each loop.
Now the problem is how to connect all that with Client and Server class and put it into one piece.
GUI should look somewhat like this:

Some help needed with Screen sharing.

Ok, so I am trying to set up screen sharing with a friend and I had a couple questions.
1. If I am running Lion and my friend is Running Snow Leopard, is this possible to do?
2. How will he connect to my computer for screen sharing? I have set up port fowarding on my router to my computer on port 3283.
3. How will i connect to my Friends Computer?

I would prefer to use the built in Screen Share abilitys in Mac OS X but I might look into it. However, as this is just something me and my friend will use every once in a while I do not want to download a whole bunch of software.

Can't find Screen Sharing application!

I have looked everywhere but it is not there anymore!
Can I download it again or has Apple hidden it?
Please help

There are certain directories not searched by Spotlight, I suspect as a safety feature to lessen the chances of accidentally deleting something important (like Screen Sharing app).
While the Screen Sharing app is in the dock can you select "Keep in Dock" from its contextual menu?
I didn't check.
It may be that that option is not available as one needs to select a particular server rather than simply launching the Screen Sharing app by itself.
Message was edited by: drdocument

Please help needed with Screen Sharing

I've been using Leopards screen share successfully on my MBP, connecting to my iMac ever since Leopard was released.
Now it connects, but the screen just flashes and I can't do anything. When I watch my iMacs screen the sharing icon on the menu bar is also flashing. So it looks like the sharing session is connecting and disconnecting rapidly.
The firewall is open to all connections on both computers. I even tried re-formating my MBP, it fixed the problem for 2 days and the problem came back again.

Hi, I've also been having this problem since I upgraded to 10.5.6 on my machines. Before the upgrade, it was rock solid. Now when I connect, it flashes and drops, then starts over again.
I just discovered a way to get the connection to stay - TURN SCALING OFF
In my case I have a G5 with two screens attached. When I turn scaling off, it still drops the connection once, but then starts working fine.
Hope this helps you.

Remote desktop and screen sharing with RMI

Iam developing an application for screen sharing and remote desktop
the problem is a performance problem
in the screen sharing application server screen is captured and the image is sent to all connected clients through rmi connection
I used JPEGImageEncoder to compress the image and convert it to array of bytes
then zipped the resulted array using deflater.
the result is sent through rmi connection
the performance is so poor
i tried JMF but the performance is worse
i am thinking of a way to send the server screen only if it is changed but i don't know how
anyone could help me to enhance it with acceptable quality for the image
thanks

As you said, you need to only send the changes over the line.
Java can not tell you what has changed, so you need to either write some JNI, or do a check on the current image, with the last image. (this would eat quite a bit of CPU time on the server).
It might be worth looking at the source for VNC, and other simler products.
The simpliest solution would be to split the image into blocks of x by y pixels, then do a pixel-by-pixel check on that block, and only send the block if it has changed.
Next thing to think about is scrapping RMI, and using raw sockets. RMI has a fair sized overhead.
Zipping a JPEG is unlikely to have any effect. A JPEG is already compressed.
You might want to look at a lossless compression format, like PNG, as the JPEG will have articles. This might be acceptable. If so, changing the compression ratio of the JPEG might be an option.
Finally, the bottle neck might be the call to Robot.createScreenCapture. This is not the fastest method.

After Lion install screen sharing won't accept my password

I just updated my *headless* mac-mini to 10.7. As soon as it rebooted
Since updating to OS 10.7 on my Mac Mini, I have been unable to log in via Screen Sharing (using my 10.7 installed Mac Pro). I continually receive the error "Authenticaion failed to 'MacMini'. Please verify you have entered the correct name and password." The name and password are correct, and the mac-mini lets me "Connect As ..." with the username and password. Only the Screen Sharing application fails to authenticate. I had no troubles an hour ago when it had Snow Leopard installed.
Any solution before I have to travel to this mini?
Thanks,
Jim

My family has multiple Macs at home and I also help a friend at a remote location. What is weird, is I was able to do screen sharing with the Mac at the remote location and a couple at home, but was not able to get screen sharing to work on the majority of our Macs at home. Rebooting did not help. Deleting my user login and corresponding home folder (then rebooting) and recreating a new user under the same login name that was deleted did not help. Repairing permissions in Disk Utility did not help. I did not try creating a user under a totally different login name and setting up screen sharing to share with that user name. I was going to try that this morning. However, on another thread, someone offered another thing to try. I tried it and it worked.
This is what eventually worked for me... This work around seems to expose that there is definitely a bug:
https://discussions.apple.com/message/15812668#15812668
Quote from andifor:
"Full name and account name on my computers are also the same.
But I did some deviation last time I tried. I changed my name on the connection dialog. I changed the name from "user" to "uSer" (changed one letter to capital) and it did work!
So if you login name is "peter", change it to "pEter" or "peTer", just on the login screen.
Looks more and more like a bug and only Apple can help. Does anybody know, if they are monitoring these discussions or is there a possibility to log some bug report?"

Keyboard lockout after screen sharing

I was doing some screen sharing from another Mac on my LAN. There's no "disconnect" feature to stop the remote control, so I simply quit the Screen Sharing "application," closed all windows, and logged out of the controlling Mac.
Problem is, at the target Mac, upon every other restart approximately, like this morning after software updating, the keyboard is locked out. Entire keyboard has no effect. Mouse control is okay. The other Mac wasn't touched for days, while this target Mac has been logging in and out just fine. The restart puts me in a state where I cannot type in my login password, and restarting (with mouse) brings me back to the same state, restart after restart. I don't think it has anything to do with the software update, but instead, some kind of residual control from the other Mac that was not fully severed upon quitting.
Even after going back to the other Mac to remotely log into Finder via screen sharing, the keyboard in the target Mac is still like disconnected. Mouse control still okay. Same problem.
Any solution?

Entire keyboard is locked out EVERY TIME my Mac is restarted! Not just every other time. I mean NOTHING on the keyboard works when locked out -- like it's disconnected, but there's no physical disconnection.
The iffy workaround that gets me back to normal, and only sometimes, is restarting via screen sharing from the remote Mac, then "closing" +Screen Sharing+ (it quits immediately), then quickly logging out of the controlling remote Mac. And THEN I still have to restart the target Mac several times to get lucky! For example, just now restarting five times did not work, but going through the gyration again + restarting twice got me back.
Remote Mac = 2005 Powerbook 15" G4 running 10.5.5
Target Mac = 2003 Dual 2GHz PowerMac G5 running 10.5.5
This new phenomenon came about only after I used +Screen Sharing+ on the LAN.
Help!

Screen Sharing Disabled Per User?

Hi, this is a repost from OSX usability forums...hopefully someone can help here:
I caught a kid cheating this morning by utilizing Screen Sharing to see what his neighbor was answering on a test. I would like to disable Screen Sharing as it pertains to the user, but I still need to run Remote Desktop and see all machines at the admin level. Each kid has an OpenDirectory account, so would it be possible to block at that level?

Block the Screen Sharing application. If the accounts are OD accounts, just add this to the MCX set and start enforcing an explicit deny on the Screen Sharing app. That should resolve it. The other option, assuming all systems have a unified admin account that the kids don't know, go into System Preferences > Sharing > Remote Management and choose "only these users" and add the local admin account only. That should set up a SACL for the ARD/Screen Sharing process to only allow access for the one user, not for all potential users of the machine.
Hope this helps

Screen Sharing issues MacBook Pro Retina

Loving my brand spanking new MacBook Pro Retina 15" running Mavericks. Display set to 1900x1200. The only thing it doesn't do, is play full screen YouTube video from my Mac Mini (2011), as soon as I put that in full screen mode on the Mini. Mouse and keyboard no longer respond, the only option is to wait untill it is finished or use the controls on the Mini. My screen sharing is set to all adaptive settings.
What I have done to do checks:
remote control MacBook Pro Retina from Mini (same settings for screen sharing, resolution on Mini is 1080p) and play full screen HD YouTube video: no issues, scaling works flawlessly;
check all network settings on both computer - no issues, both connecting full speed (400mpbs), wireless file exchange proves this;
reinstalled Mavericks both on the macbook and Mini;
removed all plists and preferences on both machines;
saved files to external HD, emptied harddrives, and clean installed Mavericks on both(!) computers
Installed all updates to december 12th 2013 (including the december screen sharing update).
All to no avail. So I figured to draw some new variables in the equasion and do some control testing.
I have done a test from an older MacBook Pro 17" (2010), display set to 1900x1200 as well. No problem at all controlling either computer. Scaling works flawlessly. Dito from an older iMac 21" running Mountain Lion. Like a charm, correctly scaling to meet the screen and network confitions.
So I figured shrinking the size of the application window on the MacBook to about 1/4 of the surface, and guess what: there she flies. Enlarging the application window on the MacBook Pro has a linear effect on the responsiveness of the screen sharing application, trying to view full screen video the Mini.
Verified this by controlling the older MacBook Pro 17" (1920x1200) from the MacBook Pro Retina 15". Confirmed that the above problems persist. Shrinking the screen again smoothens things out.
This quite definite to me, it is the screen sharing application that is not able to handle scaling on the hardware or interact with the software drivers of the Intel Iris Pro/NVidia GeForce GT750M combo. I hope this gets fixed soon!!

Setting Low Res on the apps didn't seem to help, however (as has been mentioned elsewhere) changing the display settings to non-HDPI does fix it, for GoToMeeting at least. (Also it let's you appreciate how nice the retina display is, in case you've already gotten used to it!)
You need an app for that however. SetResX from http://www.sendspace.com/file/mef6sk works well for me. To return to nice Retina/HDPI mode you have to go back to Display Preferences (and the "Show in Menu Bar" option for Display Preferences is sadly AWOL in Retina/Lion so you have to navigate through System Preferences.)

Screen Sharing and Talktalk UK

Apologies if this duplicates what others have said. I've spent a lot of time trawling through here but I'm wondering particularly if the problem I'm having might be related to talktalk, my dad's provider.
1. I have an intel iMac running leopard. Comcast is my provider.
2. I can screen share both ways with my father in law in Rochester NY. He's on Roadrunner and has a G5 tower running leopard.
3. My Dad is in the UK with a split new macbook running leopard. He's on talktalk. I can share my screen with him but HE CANNOT SHARE WITH ME. When we attempt to do this, "screen sharing with <me>" comes up on Dad's screen, and we both get the audio connection, but at my end the small window with "connecting" just hangs on the screen. Wheel goes around endlessly, etc.
Because I can connect both ways with my father in law, I am assuming the problem is at Dad's end (although I'm not sure). Here's what I've done:
1. Our quicktime streaming speed is set at both ends at 1.5 Mbps, although I've tried the default too.
2. Bandwidth is 500k at both ends, although we've also tried none.
3. Firewall -- We both added ichat as a specific app and this actually made things worse -- when I tried to screen share a "failure" message came up on screen, and we couldn't video chat either. We both then reset the firewall to Allow all and at least then we could video chat.
4. UPnP is on at both ends.
The only thing I haven't tried at his end is the stuff I've read on here about Anonymous Pings, but it's really hard to do this when dad doesn't really know computers and when I don't know what the Huawei (this is his router) menu looks like.
Dad also has an Apple airport router which he as yet has not connected up. I'm wondering if he installs this between the Huawei and the ibook things might improve (I'm hoping against hope, really!).
Any suggestions, folks? Any ideas gratefully received.
Thanks,
Dr D

My guess is that your problem is not with your set-up but with TalkTalk. In my experience talking to my parents, who are also on TalkTalk, they tend to throttle their network for non-web traffic to the point where it's barely usable (if at all). For us, iChat usually exits the connection attempt with an "insufficient bandwidth" error message.
We have had more luck with Skype, but obviously that does not help with your screen-sharing question. Other than trying to change ISP, all I can think of is to try "calling" at less busy times.
Cheers,
--> Stephen

Screen Sharing: Authentication Failed

Since updating to OS 10.7 on my Mac Mini, I have been unable to log in via Screen Sharing (using my 10.7-installed Macbook). I continually receive the error "Authenticaion failed to 'MacMini'. Please verify you have entered the correct name and password." The name and password are correct, and I can log into the computer as an administrator via the Finder to access its files without issue. Only the Screen Sharing application fails to authenticate. I had no troubles literally an hour ago using Snow Leopard.
Thoughts?

After restarting both computers a few times, I can now no longer connect via normal File Sharing -- it will connect as a guest just fine, but when I try to connect as a user, it stalls out. It sounds like the problem in this thread:
https://discussions.apple.com/message/15676665

Help me in screen sharing application in flex

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