The document describes creating a basic chat application that uses UDP broadcast to send and receive messages on a local network. It includes UI elements like a toggle button for WiFi, a scan button, a spinner to select a connection, and a list view and edit text for sending and receiving messages. The document also provides sample code for key classes, methods for setting up buttons and lists, and handling sending messages.

2. Create a basic chat
application that uses
broadcast UDP to send
and receive messages
on the local network .
You: Your text

3. Toggle Button for turning WiFi on or
off.
Scan Button for searching the all
available WiFi Connection.
Spinner will display the list of available
connection and user will select
perticular one.
Connect Button will establish the
connection.

4. List View showing
both the messages sent as
well as received
Edit Text allowing users
to enter text to be sent
You: Your text
Send button – sends the text

5.  ClassMembers
◦ WifiManager wifi;
◦ ToggleButton wifion; // to switch the wifi on or off
◦ Button buttonScan; //to scan all the available wifi
◦ Button connect; //to connect to the wifi
◦ Spinner sp; //to display the list of all wifi
◦ ArrayList <String> items;
◦ ArrayAdapter <String>adapter;
 OnCreate( )
◦ Get handles (findViewById) to all GUI elements
◦ msgList = (ListView)findViewById(R.id.msgList);
◦ receivedMessages = new ArrayAdapter<String>(this, R.layout.message);
◦ msgList.setAdapter(receivedMessages);
◦ Register the OnClickListener for the Send Button
 OnClickListener( )
 OnClick( )