<s>
Mobile	B-Language
Information	I-Language
Device	I-Language
Profile	I-Language
(	O
MIDP	B-Language
)	O
is	O
a	O
specification	O
published	O
for	O
the	O
use	O
of	O
Java	B-Language
on	O
embedded	B-Architecture
devices	I-Architecture
such	O
as	O
mobile	O
phones	O
and	O
PDAs	B-Application
.	O
</s>
<s>
MIDP	B-Language
is	O
part	O
of	O
the	O
Java	B-Language
Platform	I-Language
,	I-Language
Micro	I-Language
Edition	I-Language
(	O
Java	B-Language
ME	I-Language
)	O
framework	B-Architecture
and	O
sits	O
on	O
top	O
of	O
Connected	B-Language
Limited	I-Language
Device	I-Language
Configuration	I-Language
(	O
CLDC	B-Language
)	O
,	O
a	O
set	O
of	O
lower	O
level	O
programming	B-Application
interfaces	I-Application
.	O
</s>
<s>
MIDP	B-Language
was	O
developed	O
under	O
the	O
Java	B-Language
Community	I-Language
Process	I-Language
.	O
</s>
<s>
The	O
first	O
MIDP	B-Language
devices	O
were	O
launched	O
in	O
April	O
2001	O
.	O
</s>
<s>
The	O
core	O
application	B-Application
programming	I-Application
interfaces	I-Application
are	O
defined	O
by	O
the	O
underlying	O
Connected	B-Language
Limited	I-Language
Device	I-Language
Configuration	I-Language
system	O
.	O
</s>
<s>
Contains	O
the	O
Java	O
ME-specific	O
classes	O
used	O
for	O
the	O
GUI	B-Application
.	O
</s>
<s>
LCDUI	O
has	O
a	O
simple	O
screen	O
based	O
approach	O
where	O
a	O
single	O
Displayable	O
is	O
always	O
active	O
at	O
anyone	O
time	O
in	O
the	O
application	O
user	B-Application
interface	I-Application
.	O
</s>
<s>
LCDUI	O
API	B-Application
provides	O
a	O
small	O
set	O
of	O
displayables	O
common	O
in	O
mobile	O
device	O
user	B-Application
interfaces	I-Application
:	O
List	O
,	O
Alert	O
,	O
TextBox	O
,	O
Form	O
and	O
Canvas	O
.	O
</s>
<s>
For	O
all	O
displayables	O
the	O
device	O
MIDP	B-Language
implementation	O
has	O
control	O
over	O
the	O
presentation	O
and	O
layout	O
of	O
the	O
displayable	O
.	O
</s>
<s>
Since	O
MIDP	B-Language
2.0	I-Language
,	O
Canvas	O
also	O
supports	O
a	O
full-screen	O
mode	O
that	O
allows	O
use	O
of	O
full	O
screen	O
graphics	O
,	O
which	O
is	O
especially	O
useful	O
for	O
games	O
.	O
</s>
<s>
The	O
application	O
programmer	O
uses	O
API	B-Application
specified	O
command	O
types	O
to	O
indicate	O
the	O
usage	O
or	O
purpose	O
of	O
the	O
command	O
in	O
an	O
application	O
user	B-Application
interface	I-Application
.	O
</s>
<s>
Application	O
developers	O
should	O
use	O
the	O
command	O
types	O
properly	O
to	O
indicate	O
the	O
purpose	O
of	O
an	O
operation	O
,	O
and	O
device	O
implementation	O
then	O
places	O
the	O
operation	O
to	O
the	O
common	O
location	O
for	O
a	O
given	O
type	O
in	O
a	O
device	O
's	O
specific	O
user	B-Application
interface	I-Application
style	O
.	O
</s>
<s>
Though	O
undefined	O
in	O
the	O
MIDP	B-Language
specifications	O
,	O
it	O
denotes	O
Limited	O
Capability	O
Device	O
User	B-Application
Interface	I-Application
.	O
</s>
<s>
Later	O
,	O
the	O
book	O
Programming	O
Wireless	O
Devices	O
with	O
the	O
Java	B-Language
2	I-Language
Platform	I-Language
,	I-Language
Micro	I-Language
Edition	I-Language
gave	O
this	O
as	O
the	O
definition	O
.	O
</s>
<s>
"	O
Liquid	B-Device
Crystal	I-Device
Display	I-Device
User	B-Application
Interface	I-Application
"	O
would	O
reflect	O
the	O
fact	O
that	O
mobile	O
phones	O
normally	O
use	O
LCDs	B-Device
;	O
however	O
,	O
the	O
API	B-Application
is	O
not	O
specifically	O
tailored	O
to	O
this	O
particular	O
display	O
technology	O
.	O
</s>
<s>
It	O
is	O
also	O
said	O
that	O
"	O
LCD	B-Device
UI	O
"	O
stands	O
for	O
"	O
lowest	O
common	O
denominator	O
"	O
due	O
to	O
the	O
fact	O
the	O
specific	O
UI	O
has	O
the	O
simplest	O
possible	O
design	O
.	O
</s>
<s>
The	O
Record	O
Management	O
System	O
provides	O
a	O
form	O
of	O
persistent	O
storage	O
for	O
Java	B-Language
ME	I-Language
;	O
a	O
database	O
for	O
the	O
mobile	O
device	O
.	O
</s>
<s>
Contains	O
the	O
base	O
classes	O
for	O
Java	B-Language
ME	I-Language
applications	O
,	O
and	O
allows	O
applications	O
to	O
be	O
notified	O
of	O
changes	O
to	O
their	O
state	O
.	O
</s>
<s>
The	O
following	O
Java	B-Language
Specification	I-Language
Requests	I-Language
are	O
a	O
selection	O
of	O
the	O
optional	O
JSRs	O
which	O
can	O
be	O
added	O
on	O
top	O
of	O
a	O
MIDP	B-Language
implementation	O
to	O
add	O
extra	O
functionalities	O
.	O
</s>
<s>
As	O
optional	O
JSRs	O
there	O
is	O
no	O
guarantee	O
that	O
a	O
MIDP	B-Language
handset	O
will	O
implement	O
such	O
APIs	B-Application
.	O
</s>
<s>
Wireless	O
messaging	O
API	B-Application
(	O
optional	O
)	O
,	O
for	O
sending	O
SMS	O
and	O
MMS	O
messages	O
.	O
</s>
<s>
Personal	O
information	O
management	O
API	B-Application
(	O
optional	O
)	O
,	O
access	O
the	O
device	O
's	O
Address	O
Book	O
,	O
to-do	O
List	O
,	O
Calendar	O
.	O
</s>
<s>
The	O
File	O
Connection	O
Optional	O
Package	O
(	O
FCOP	O
)	O
is	O
one	O
of	O
two	O
optional	O
packages	O
defined	O
by	O
JSR	O
75	O
through	O
the	O
Java	B-Language
Community	I-Language
Process	I-Language
.	O
</s>
<s>
The	O
FileConnection	O
API	B-Application
specified	O
in	O
JSR	O
75	O
gives	O
access	O
to	O
the	O
local	O
file	O
systems	O
on	O
devices	O
like	O
PDA	B-Application
.	O
</s>
<s>
In	O
order	O
to	O
overcome	O
security	O
issues	O
MIDlet	B-Language
needs	O
to	O
include	O
requested	O
file	O
permission	O
in	O
its	O
JAD	O
file	O
under	O
MIDLet-Permission	O
property	O
.	O
</s>
<s>
There	O
are	O
several	O
different	O
ways	O
to	O
create	O
MIDP	B-Language
applications	O
:	O
code	O
can	O
be	O
written	O
in	O
a	O
plain	O
text	B-Application
editor	I-Application
,	O
or	O
one	O
can	O
use	O
a	O
more	O
advanced	O
IDE	B-Application
such	O
as	O
NetBeans	B-Application
,	O
IntelliJ	B-Language
(	O
with	O
bundled	O
Java	B-Language
ME	I-Language
plugin	O
)	O
,	O
or	O
Eclipse	B-Application
(	O
with	O
plugins	O
such	O
as	O
EclipseME	O
)	O
which	O
has	O
a	O
user	B-Application
interface	I-Application
for	O
graphically	O
laying	O
out	O
any	O
forms	O
you	O
create	O
,	O
as	O
well	O
as	O
providing	O
many	O
other	O
advanced	O
features	O
not	O
available	O
in	O
a	O
simple	O
text	B-Application
editor	I-Application
.	O
</s>
<s>
MIDP	B-Language
1.0	O
has	O
no	O
support	O
for	O
audio	O
.	O
</s>
<s>
MIDP	B-Language
1.0	O
requires	O
only	O
HTTP	O
support	O
.	O
</s>
<s>
Some	O
limitations	O
may	O
be	O
avoided	O
by	O
using	O
a	O
vendor-specific	O
API	B-Application
or	O
MIDP	B-Language
2.0	I-Language
,	O
which	O
obviously	O
reduces	O
the	O
portability	O
of	O
the	O
application	O
.	O
</s>
<s>
MIDP	B-Language
was	O
developed	O
under	O
the	O
Java	B-Language
Community	I-Language
Process	I-Language
.	O
</s>
<s>
MIDP	B-Language
is	O
now	O
succeeded	O
by	O
MEEP	O
as	O
of	O
Java	B-Language
ME	I-Language
8	O
.	O
</s>
