2)
JSR-82 based solution: This solution is based on JSR-
82, which is the Java API defined for using Bluetooth in Java
™ ME devices.
J2SETM
used in Personal Computers does not
support the JSR-82 API
by
default. There are third-party
implementations for the JSR-82 API to be used with J2SE.
These third party JSR-82 implementations are based on
existing Bluetooth stacks in computers and usually only
implement the API over Bluetooth stacks services.
One example
of
JSR-82 implementation for J2SE is
BlueCove (http://bluecove.sourceforge.net/). BlueCove works
with the Windows XP Service Pack 2 Bluetooth stack (and all
Bluetooth devices it supports).
The COM-based solution is not Bluetooth stack specific and
hence could be used on a variety
of
Bluetooth stacks such as
IVT
Bluesoleil, Microsoft Bluetooth Stack (Windows XP
Service Pack 2 Bluetooth stack), and
Widcomm Bluetooth
Stack etc. This was the reason for choosing it as the solution to
problem one.
B.
Problem
two:
Operations
in
PC
once a connection
is
established
When the commands are received from the user's Mobile
Phone the server accepts and produces the desired operation
on the Personal Computer. The server has been implemented
in J2SE and operations are produced in a variety
of
ways such
as
by
producing virtual key presses, calling different
executable files. The details
of
how this has been done will be
discussed later in this paper.
Computer
\l1rwofCOM
ST
$cltMT~
Oth'bJdfNflf
Figure
1.
Data Flow Diagram.
IV. SYSTEM COMPONENTS
The "Application Remote Control using Bluetooth" has two
components, namely
1.
ARC Client Program
2.
ARC Server Program
A.
Problem
two:
Operations
in
PC
once a connection
is
establish
The "ARC Client Program" has been implemented in
J2ME [4]. The
jar
file has to be transferred and installed on the
Mobile Phone.
1)
InterfacesofARC Client Program
The following interfaces have been designed and
implemented to facilitate user.
a)
Interface One
After opening the application the user has to select
"Search" from the menu so that all the nearby Bluetooth
devices appear on the mobile screen. This operation takes 20
to 40 seconds under normal circumstances.
This time for searching can be eradicated
if
the same
Personal Computer is used again and again
by
storing the
serial port service URL and using it directly to open
connection.
b)
Interface
Two
When the list
of
available devices is displayed, user can
select the appropriate device (Personal Computer on which
ARC Server Program is installed). Then pairing
of
the devices
occur and using the 48 bit Bluetooth address
of
the Personal
Computer a serial port connection is established between the
Personal Computer and the Mobile Phone.
c)
Interface Three
After this a list
of
programs and devices appear on the
screen.
The list follows
Windows Media Player MS Office PowerPoint
VLC Player Mplayer
System Shutdown System Restart
System Logoff General Keys
Hardware
d)
Interface Four
On selecting "Windows Media Player" the program
displays the following list
Play/Pause Stop
Volume Up Volume Down
Mute Previous
Next Forward
Backward Full Screen
Full mode Skin mode
Exit
Figure 2. Interface Windows Media Player.
e)
Interface Microsoft PowerPoint
On
selecting Microsoft PowerPoint the following menu
appears
View Show Next
Previous Exit
j)
Interface General Keys
On selecting General Keys the following menu appears
Enter Alt+Tab
Tab Up Arrow
Down Arrow Left Arrow
Right Arrow Alt+F4
FlO Space
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