<s>
Adobe	B-Application
Flash	I-Application
Builder	I-Application
(	O
previously	O
known	O
as	O
Adobe	B-Application
Flex	I-Application
Builder	I-Application
)	O
is	O
an	O
integrated	B-Application
development	I-Application
environment	I-Application
(	O
IDE	O
)	O
built	O
on	O
the	O
Eclipse	B-Application
platform	I-Application
that	O
speeds	O
development	O
of	O
rich	B-Application
Internet	I-Application
applications	I-Application
(	O
RIAs	O
)	O
and	O
cross-platform	B-Operating_System
desktop	B-Application
applications	I-Application
,	O
particularly	O
for	O
the	O
Adobe	B-Operating_System
AIR	I-Operating_System
platform	O
.	O
</s>
<s>
Adobe	B-Application
Flash	I-Application
Builder	I-Application
4	I-Application
is	O
available	O
in	O
two	O
editions	O
:	O
Standard	O
and	O
Premium	O
.	O
</s>
<s>
Adobe	B-Application
Flash	I-Application
Builder	I-Application
offers	O
built-in	O
code	O
editors	O
for	O
MXML	B-Operating_System
and	O
ActionScript	B-Operating_System
and	O
a	O
WYSIWYG	B-Application
editor	I-Application
for	O
modifying	O
MXML	B-Operating_System
applications	O
.	O
</s>
<s>
Adobe	B-Application
Flash	I-Application
Builder	I-Application
includes	O
an	O
interactive	O
debugger	B-Application
,	O
allowing	O
developers	O
to	O
step	O
through	O
code	O
execution	O
while	O
inspecting	O
variables	O
and	O
watching	O
expressions	O
.	O
</s>
<s>
Flex	B-Application
Builder	I-Application
3	O
added	O
support	O
for	O
performance	O
analysis	O
.	O
</s>
<s>
Prior	O
to	O
version	O
4	O
,	O
this	O
product	O
was	O
known	O
as	O
Flex	B-Application
Builder	I-Application
.	O
</s>
<s>
The	O
name	O
change	O
is	O
meant	O
to	O
signify	O
its	O
connection	O
to	O
other	O
products	O
in	O
the	O
Adobe	B-Operating_System
Flash	I-Operating_System
Platform	I-Operating_System
and	O
to	O
create	O
a	O
clear	O
distinction	O
between	O
the	O
open	O
source	O
free	O
Flex	B-Operating_System
SDK	I-Operating_System
and	O
the	O
IDE	O
.	O
</s>
<s>
The	O
company	O
offered	O
the	O
technology	O
at	O
a	O
price	O
around	O
US$	O
15,000	O
per	O
CPU	B-General_Concept
.	O
</s>
<s>
Required	O
for	O
deployment	O
,	O
the	O
Java	B-Language
EE	I-Language
application	O
server	O
compiled	O
MXML	B-Operating_System
and	O
ActionScript	B-Operating_System
on-the-fly	O
into	O
Flash	O
applications	O
(	O
binary	O
SWF	O
files	O
)	O
.	O
</s>
<s>
Each	O
server	O
license	O
included	O
5	O
licenses	O
for	O
the	O
Flex	B-Application
Builder	I-Application
IDE	O
.	O
</s>
<s>
Complete	O
Flex	O
applications	O
can	O
be	O
built	O
and	O
deployed	O
with	O
only	O
the	O
Flex	O
2	O
SDK	O
,	O
which	O
contains	O
no	O
limitations	O
or	O
restrictions	O
compared	O
to	O
the	O
same	O
SDK	O
included	O
with	O
the	O
Flex	B-Application
Builder	I-Application
IDE	O
.	O
</s>
<s>
Adobe	O
based	O
the	O
new	O
version	O
of	O
Flex	B-Application
Builder	I-Application
on	O
the	O
open	O
source	O
Eclipse	B-Application
platform	I-Application
.	O
</s>
<s>
The	O
company	O
released	O
two	O
versions	O
of	O
Flex	B-Application
Builder	I-Application
2	O
,	O
Standard	O
and	O
Professional	O
.	O
</s>
<s>
Coinciding	O
with	O
the	O
release	O
of	O
Flex	O
2	O
,	O
Adobe	O
introduced	O
a	O
new	O
version	O
of	O
the	O
ActionScript	B-Operating_System
programming	O
language	O
,	O
known	O
as	O
Actionscript	B-Operating_System
3	O
,	O
reflecting	O
the	O
latest	O
ECMAScript	B-Language
specification	O
.	O
</s>
<s>
The	O
use	O
of	O
ActionScript	B-Operating_System
3	O
and	O
Flex	O
2	O
requires	O
version	O
9	O
or	O
later	O
of	O
the	O
Flash	B-Operating_System
Player	I-Operating_System
runtime	O
.	O
</s>
<s>
Flash	B-Operating_System
Player	I-Operating_System
9	I-Operating_System
incorporated	O
a	O
new	O
and	O
more	O
robust	O
virtual	O
machine	O
for	O
running	O
the	O
new	O
ActionScript	B-Operating_System
3	O
.	O
</s>
<s>
On	O
April	O
26	O
,	O
2007	O
Adobe	O
announced	O
their	O
intent	O
to	O
release	O
the	O
Flex	O
3	O
SDK	O
(	O
which	O
excludes	O
the	O
Flex	B-Application
Builder	I-Application
IDE	O
and	O
the	O
LiveCycle	O
Data	O
Services	O
)	O
under	O
the	O
terms	O
of	O
the	O
Mozilla	B-License
Public	I-License
License	I-License
.	O
</s>
<s>
Major	O
enhancements	O
include	O
integration	O
with	O
the	O
new	O
versions	O
of	O
Adobe	O
's	O
Creative	O
Suite	O
products	O
,	O
support	O
for	O
AIR	B-Operating_System
(	O
Adobe	O
's	O
new	O
desktop	B-Application
application	I-Application
runtime	O
)	O
,	O
and	O
the	O
addition	O
of	O
profiling	O
and	O
refactoring	O
tools	O
to	O
the	O
Flex	B-Application
Builder	I-Application
IDE	O
.	O
</s>
<s>
The	O
Flex	O
4	O
development	O
environment	O
was	O
rebranded	O
from	O
Adobe	B-Application
Flex	I-Application
Builder	I-Application
to	O
Adobe	B-Application
Flash	I-Application
Builder	I-Application
,	O
to	O
indicate	O
it	O
produces	O
applications	O
for	O
Adobe	B-Operating_System
Flash	I-Operating_System
Player	I-Operating_System
,	O
and	O
is	O
not	O
a	O
separate	O
platform	O
.	O
</s>
<s>
Full	O
Support	O
for	O
Adobe	B-Operating_System
Flash	I-Operating_System
Player	I-Operating_System
10	O
and	O
above	O
.	O
</s>
<s>
Broadening	O
Horizons	O
:	O
Finding	O
ways	O
to	O
make	O
a	O
framework	O
lighter	O
,	O
supporting	O
more	O
deployment	O
runtimes	O
,	O
runtime	O
MXML	B-Operating_System
.	O
</s>
<s>
Integration	O
with	O
Adobe	B-Operating_System
Flash	I-Operating_System
Catalyst	O
.	O
</s>
<s>
Flash	B-Application
Builder	I-Application
is	O
available	O
in	O
two	O
versions	O
:	O
Standard	O
and	O
Premium	O
,	O
the	O
premium	O
adds	O
the	O
following	O
features	O
;	O
</s>
<s>
May	O
3	O
,	O
2011	O
,	O
Adobe	O
shipped	O
Flash	O
Builder	O
4.5	O
copying	O
Flex	O
4.5	O
(	O
SDK	O
Only	O
)	O
which	O
delivers	O
full	O
support	O
for	O
building	O
Flex	O
and	O
ActionScript	B-Operating_System
applications	O
for	O
Google	O
Android	O
,	O
as	O
well	O
as	O
support	O
for	O
building	O
ActionScript	B-Operating_System
applications	O
for	O
BlackBerry	O
Tablet	O
OS	O
and	O
Apple	O
iOS	O
.	O
</s>
<s>
With	O
the	O
Adobe	B-Operating_System
Flex	I-Operating_System
4.5	O
SDK	O
which	O
is	O
governed	O
by	O
three	O
main	O
goals	O
:	O
</s>
