<s>
DevEco	B-Operating_System
Studio	I-Operating_System
is	O
the	O
official	O
integrated	B-Application
development	I-Application
environment	I-Application
(	O
IDE	O
)	O
for	O
Huawei	O
's	O
HarmonyOS	B-Operating_System
operating	O
system	O
,	O
built	O
on	O
JetBrains	O
 '	O
IntelliJ	O
IDEA	O
software	O
and	O
Huawei	O
's	O
SmartAssist	O
designed	O
specifically	O
for	O
HarmonyOS	B-Operating_System
development	O
.	O
</s>
<s>
It	O
is	O
available	O
for	O
download	O
on	O
Windows	B-Operating_System
10	I-Operating_System
and	O
macOS	B-Application
based	O
operating	O
systems	O
.	O
</s>
<s>
DevEco	B-Operating_System
Studio	I-Operating_System
was	O
launched	O
on	O
September	O
9	O
,	O
2020	O
,	O
a	O
day	O
before	O
Huawei	O
Developer	O
Conference	O
2020	O
(	O
HDC	O
2020	O
)	O
as	O
the	O
first	O
stable	O
build	O
starting	O
from	O
version	O
1.0	O
for	O
Huawei	O
Vision	O
TVs	O
on	O
HarmonyOS	B-Operating_System
1	O
and	O
HarmonyOS	B-Operating_System
2	O
Beta	O
versions	O
for	O
phones	O
,	O
tablets	O
and	O
watches	O
.	O
</s>
<s>
On	O
July	O
8	O
,	O
2022	O
,	O
after	O
the	O
following	O
release	O
of	O
DevEco	B-Operating_System
Studio	I-Operating_System
3.0	O
Beta	O
4	O
JS/eTS	O
replaced	O
Java	B-Language
as	O
Huawei	O
's	O
preferred	O
language	O
for	O
HarmonyOS	B-Operating_System
app	O
development	O
since	O
HarmonyOS	B-Operating_System
.hap	O
apps	O
do	O
n't	O
support	O
Java	B-Language
language	I-Language
on	O
API8	O
for	O
HarmonyOS	B-Operating_System
3.0	O
as	O
Huawei	O
plans	O
to	O
release	O
its	O
own	O
Cangjie	O
programming	O
language	O
sometime	O
in	O
2022	O
for	O
HarmonyOS	B-Operating_System
which	O
is	O
equivalent	O
to	O
Google	O
's	O
Kotlin	B-Language
for	O
Android	B-Application
platforms	I-Application
.	O
</s>
<s>
Java	B-Language
is	O
still	O
supported	O
,	O
as	O
is	O
C++	B-Language
on	O
older	O
API	O
level	O
versions	O
of	O
the	O
previous	O
versions	O
of	O
HarmonyOS	B-Operating_System
2.0	O
.	O
</s>
<s>
HarmonyOS	B-Operating_System
DevEco	B-Operating_System
Studio	I-Operating_System
2.1	O
current	O
version	O
released	O
June	O
2	O
,	O
2021	O
on	O
HarmonyOS	B-Operating_System
2	O
launch	O
has	O
cross-device	O
project	O
templates	O
,	O
atomic	O
service	O
development	O
and	O
more	O
on	O
support	O
for	O
building	O
TV	O
,	O
smartphones	O
,	O
tablets	O
,	O
watches	O
,	O
routers	O
,	O
IoT	O
devices	O
.	O
</s>
<s>
The	O
new	O
version	O
of	O
DevEco	B-Operating_System
Studio	I-Operating_System
comes	O
with	O
new	O
11	O
cross-device	O
project	O
templates	O
founded	O
on	O
the	O
original	O
single-device	O
project	O
template	O
.	O
</s>
<s>
DevEco	B-Operating_System
Studio	I-Operating_System
2.1	O
version	O
added	O
the	O
support	O
for	O
atomic	O
service	O
developments	O
to	O
explore	O
its	O
scope	O
in	O
the	O
coming	O
days	O
.	O
</s>
<s>
After	O
installation	O
of	O
the	O
DevEco	B-Operating_System
Studio	I-Operating_System
2.1	O
version	O
,	O
developers	O
can	O
JS	B-Language
language	O
to	O
quickly	O
develop	O
applications	O
that	O
can	O
run	O
on	O
router	O
devices	O
.	O
</s>
<s>
As	O
of	O
now	O
,	O
the	O
DevEco	B-Operating_System
Studio	I-Operating_System
provides	O
supports	O
for	O
eight	O
kinds	O
of	O
different	O
mechanisms	O
.	O
</s>
<s>
The	O
HarmonyOS	B-Operating_System
sample	O
application	O
is	O
used	O
by	O
the	O
IDE	O
developers	O
for	O
a	O
fast	O
understanding	O
of	O
or	O
application	O
areas	O
of	O
various	O
APIs	O
.	O
</s>
<s>
The	O
new	O
version	O
of	O
this	O
development	O
tool	O
supports	O
sample	O
project	O
import	O
that	O
allows	O
developers	O
to	O
automatically	O
import	O
the	O
Sample	O
project	O
into	O
DevEco	B-Operating_System
Studio	I-Operating_System
.	O
</s>
<s>
Developer	O
can	O
access	O
sample	O
projects	O
codes	O
via	O
the	O
“	O
Import	O
HarmonyOS	B-Operating_System
Sample	O
”	O
button	O
.	O
</s>
<s>
The	O
DevEco	B-Operating_System
Studio	I-Operating_System
2.1	O
has	O
been	O
com	O
with	O
a	O
new	O
distributed	O
simulator	O
with	O
more	O
enhanced	O
functions	O
.	O
</s>
<s>
Har	O
supports	O
:	O
C++	B-Language
shared	O
library	O
construction	O
and	O
use	O
.	O
</s>
<s>
Once	O
an	O
HarmonyOS	B-Operating_System
app	O
has	O
been	O
compiled	O
with	O
DevEco	B-Operating_System
Studio	I-Operating_System
,	O
it	O
can	O
be	O
published	O
on	O
Huawei	B-Application
AppGallery	I-Application
.	O
</s>
<s>
Like	O
with	O
Android	B-Application
apps	O
on	O
Android	B-Application
Studio	O
for	O
Huawei	O
's	O
AppGallery	B-Application
,	O
HarmonyOS	B-Operating_System
applications	O
has	O
to	O
be	O
in	O
line	O
with	O
.	O
</s>
<s>
The	O
DevEco	O
Marketplace	O
which	O
was	O
launched	O
on	O
September	O
25	O
,	O
2021	O
that	O
allows	O
developers	O
access	O
to	O
various	O
development	O
resources	O
here	O
including	O
native	O
libraries	O
,	O
third-party	O
libraries	O
,	O
sample	O
codes	O
,	O
and	O
more.	O
,	O
which	O
can	O
make	O
app	O
development	O
of	O
Super	O
Device	O
hardware	O
and	O
atomic	O
services	O
easier	O
to	O
implement	O
into	O
native	O
based	O
HarmonyOS	B-Operating_System
apps	O
.	O
</s>
<s>
HarmonyOS	B-Operating_System
DevEco	O
Marketplace	O
polymerization	O
a	O
wealth	O
of	O
ecosystem	O
resources	O
development	O
kits	O
,	O
enabling	O
developers	O
to	O
easily	O
obtain	O
the	O
resources	O
needed	O
one-stop	O
,	O
easy	O
to	O
complete	O
the	O
development	O
of	O
Hong	O
Meng-chi	O
of	O
hardware	O
,	O
atomic	O
services	O
,	O
and	O
applications	O
.	O
</s>
<s>
Project	O
Templates	O
section	O
that	O
includes	O
Application	O
development	O
project	O
templates	O
for	O
Super	O
Device	O
and	O
various	O
devices	O
,	O
covering	O
various	O
typical	O
industry	O
use	O
cases	O
and	O
Code	O
Samples	O
of	O
API	O
code	O
samples	O
and	O
typical	O
scenarios	O
for	O
HarmonyOS	B-Operating_System
apps	O
.	O
</s>
<s>
The	O
following	O
is	O
a	O
list	O
of	O
DevEco	B-Operating_System
Studio	I-Operating_System
's	O
major	O
releases	O
:	O
</s>
<s>
These	O
features	O
includes	O
requirements	O
for	O
IDE	O
+	O
HarmonyOS	B-Operating_System
SDK	O
+	O
HarmonyOS	B-Operating_System
Emulator	O
.	O
</s>
