<s>
Sencha	B-Language
Touch	I-Language
is	O
a	O
user	B-Application
interface	I-Application
(	O
UI	B-Application
)	O
JavaScript	B-Language
library	I-Language
,	O
or	O
web	B-Application
framework	I-Application
,	O
specifically	O
built	O
for	O
the	O
Mobile	B-Application
Web	I-Application
.	O
</s>
<s>
It	O
can	O
be	O
used	O
by	O
Web	B-Operating_System
developers	I-Operating_System
to	O
develop	O
user	B-Application
interfaces	I-Application
for	O
mobile	B-Application
web	I-Application
applications	O
that	O
look	O
and	O
feel	O
like	O
native	B-Application
applications	I-Application
on	O
supported	O
mobile	O
devices	O
.	O
</s>
<s>
It	O
is	O
based	O
on	O
web	O
standards	O
such	O
as	O
HTML5	B-Application
,	O
CSS3	O
and	O
JavaScript	B-Language
.	O
</s>
<s>
The	O
goal	O
of	O
Sencha	B-Language
Touch	I-Language
is	O
to	O
facilitate	O
quick	O
and	O
easy	O
development	O
of	O
HTML5	B-Application
based	O
mobile	O
apps	O
which	O
run	O
on	O
Android	B-Application
,	O
iOS	B-Application
,	O
Windows	B-Operating_System
,	O
Tizen	B-Application
and	O
BlackBerry	B-Application
devices	O
,	O
simultaneously	O
allowing	O
a	O
native	O
look	O
and	O
feel	O
to	O
the	O
apps	O
.	O
</s>
<s>
Sencha	B-Language
Touch	I-Language
is	O
a	O
product	O
of	O
Sencha	O
,	O
which	O
was	O
formed	O
after	O
popular	O
JavaScript	B-Language
library	I-Language
projects	O
Ext	B-Language
JS	O
,	O
jQTouch	B-Language
and	O
Raphaël	B-Language
were	O
combined	O
.	O
</s>
<s>
The	O
first	O
release	O
of	O
Sencha	B-Language
Touch	I-Language
,	O
version	O
0.90	O
beta	O
,	O
was	O
made	O
available	O
on	O
July	O
17	O
,	O
2010	O
.	O
</s>
<s>
This	O
beta	O
release	O
supported	O
devices	O
running	O
Android	B-Application
,	O
and	O
iOS	B-Application
(	O
on	O
iPhone	B-Device
,	O
iPod	B-Device
Touch	I-Device
,	O
iPad	B-Device
)	O
.	O
</s>
<s>
The	O
latest	O
release	O
,	O
Sencha	B-Language
Touch	I-Language
2.4.2	O
,	O
was	O
released	O
in	O
June	O
2015	O
and	O
is	O
designed	O
to	O
run	O
on	O
the	O
following	O
browsers	O
and	O
platforms	O
:	O
</s>
<s>
There	O
are	O
no	O
announced	O
plans	O
to	O
support	O
Firefox	B-Application
Mobile	I-Application
.	O
</s>
<s>
Sencha	B-Language
Touch	I-Language
follows	O
the	O
MVC	O
pattern	O
which	O
separates	O
the	O
application	O
data	O
,	O
the	O
control	O
code	O
and	O
view	O
.	O
</s>
<s>
Sencha	B-Language
Touch	I-Language
has	O
an	O
inbuilt	O
DOM	B-General_Concept
manipulation	O
interface	O
which	O
negates	O
the	O
dependency	O
on	O
other	O
UI	B-Application
frameworks	O
like	O
jQuery	O
.	O
</s>
<s>
It	O
includes	O
a	O
set	O
of	O
graphical	B-Application
user	I-Application
interface	I-Application
GUI-based	O
controls	O
(	O
or	O
components	O
)	O
for	O
use	O
within	O
mobile	B-Application
web	I-Application
applications	O
.	O
</s>
<s>
This	O
is	O
done	O
using	O
Sass	B-Language
,	O
a	O
stylesheet	O
language	O
built	O
over	O
CSS	O
.	O
</s>
<s>
Some	O
of	O
the	O
native-lookalike	O
themes	O
are	O
Cupertino	O
Classic	O
(	O
for	O
iOS6.x	O
and	O
below	O
)	O
,	O
Cupertino	O
(	O
for	O
iOS	B-Application
7	O
)	O
and	O
Mountain	O
View	O
(	O
for	O
Android	B-Application
)	O
.	O
</s>
<s>
Sencha	B-Language
Touch	I-Language
has	O
eight	O
in-built	O
transition	O
effects	O
including	O
slide	O
over	O
or	O
under	O
the	O
current	O
element	O
,	O
pop	O
,	O
flip	O
,	O
and	O
cube	O
.	O
</s>
<s>
It	O
supports	O
common	O
touch	O
gestures	O
built	O
from	O
touch	B-Application
events	I-Application
,	O
which	O
are	O
Web	O
standards	O
but	O
supported	O
only	O
by	O
Android	B-Application
,	O
iOS	B-Application
,	O
and	O
some	O
touch	O
enabled	O
devices	O
.	O
</s>
<s>
Since	O
Sencha	B-Language
touch	I-Language
is	O
HTML5	B-Application
based	O
,	O
the	O
layouts	O
it	O
offers	O
are	O
extremely	O
adaptive	O
in	O
nature	O
.	O
</s>
<s>
Sencha	B-Language
Touch	I-Language
also	O
supports	O
charting	O
components	O
including	O
pie	O
charts	O
,	O
bar	O
graphs	O
,	O
line	O
series	O
,	O
etc	O
.	O
</s>
<s>
These	O
components	O
support	O
interactivity	O
like	O
pinch	B-Application
and	I-Application
zoom	I-Application
.	O
</s>
<s>
Just	O
like	O
the	O
Grid	O
components	O
in	O
ExtJS	B-Language
,	O
Sencha	B-Language
Touch	I-Language
offers	O
TouchGrid	O
functionality	O
.	O
</s>
<s>
Profiling	O
in	O
Sencha	B-Language
Touch	I-Language
allows	O
you	O
to	O
create	O
different	O
profiles	O
catering	O
to	O
different	O
screen	O
sizes	O
.	O
</s>
<s>
Sencha	B-Language
Touch	I-Language
applications	O
have	O
a	O
basic	O
file	O
and	O
directory	O
structure	O
as	O
follows	O
:	O
</s>
<s>
This	O
function	O
loads	O
the	O
first	O
view	O
and	O
hence	O
can	O
be	O
considered	O
as	O
the	O
first	O
point	O
of	O
the	O
applicationindex.htmlMain	O
HTML	B-Language
file	I-Language
for	O
the	O
app	O
.	O
</s>
<s>
Sencha	B-Language
Touch	I-Language
provides	O
IDE	B-Application
plugins	O
for	O
ease	O
of	O
development	O
.	O
</s>
<s>
Benefits	O
of	O
these	O
plugins	O
include	O
code	B-Application
generation	I-Application
and	O
auto-completion	O
,	O
code	O
refactoring	O
and	O
ease	O
of	O
navigation	O
to	O
framework	O
codebase	O
and	O
custom	O
classes	O
.	O
</s>
<s>
Sencha	B-Language
Touch	I-Language
has	O
plugins	O
for	O
popular	O
IDEs	O
like	O
JetBrains	O
,	O
Visual	B-Application
Studio	I-Application
and	O
Eclipse	B-Application
.	O
</s>
<s>
There	O
is	O
a	O
visual	O
app	O
builder	O
,	O
Sencha	O
Architect	O
,	O
for	O
building	O
cross	O
platform	O
HTML5	B-Application
apps	O
.	O
</s>
<s>
It	O
provides	O
addiction	O
features	O
like	O
theming	O
and	O
command	B-Application
line	I-Application
integration	O
.	O
</s>
<s>
Sencha	B-Language
Touch	I-Language
makes	O
it	O
convenient	O
to	O
use	O
a	O
map	O
in	O
your	O
application	O
using	O
the	O
Ext.Map	O
component	O
.	O
</s>
<s>
The	O
inclusion	O
of	O
"	O
Google	B-Application
Maps	I-Application
API	B-Application
"	O
JavaScript	B-Language
file	O
is	O
essential	O
for	O
the	O
GoogleMaps	B-Application
API	B-Application
to	O
work.Ext.setup( )	O
is	O
the	O
starting	O
point	O
to	O
initialise	O
the	O
application	O
,	O
setting	O
up	O
the	O
viewport	O
and	O
the	O
event	O
system	O
.	O
</s>
<s>
Sencha	B-Language
Touch	I-Language
supports	O
PhoneGap	B-Protocol
and	O
Apache	B-Protocol
Cordova	I-Protocol
APIs	B-Application
for	O
Accelerometer	O
,	O
Camera	O
,	O
Compass	O
,	O
Geolocation	O
,	O
Capture	O
,	O
InAppBrowser	O
,	O
Media	O
,	O
Notification	O
,	O
Splash	O
Screen	O
,	O
Storage	O
(	O
SQLite	B-Language
)	O
,	O
etc	O
.	O
</s>
<s>
which	O
were	O
previously	O
accessible	O
only	O
to	O
native	B-Application
applications	I-Application
.	O
</s>
<s>
Sencha	B-Language
Touch	I-Language
leverages	O
JavaScript	B-Language
to	O
create	O
most	O
of	O
the	O
UI	B-Application
components	O
and	O
change	O
CSS	O
of	O
DOM	B-General_Concept
elements	O
on	O
the	O
fly	O
.	O
</s>
<s>
With	O
JavaScript	B-Language
Engines	I-Language
being	O
more	O
efficient	O
and	O
faster	O
than	O
before	O
,	O
web	B-Application
apps	I-Application
run	O
almost	O
as	O
smooth	O
as	O
native	O
apps	O
.	O
</s>
