Sistem Aplikasi EDUCHAT STMIK PRINGSEWU Berbasis ANDROID Sebagai Media Komunikasi dan Informasi | Hartati | Jurnal Teknologi dan Sistem Informasi 216 975 1 PB

$ %4 14
$/
6

7!

./0
.1 .
.

& . (

.( %!

!

$ %1 2
4 2 $ .
5 1$

$!#

$! #! &

: 3
!

1&

9

8

3/

4!

; % &' (!
"

#$

<
"
& # &' # $
'
"
!& "
&
! # #
$ % &' (! !"
& &
= # &' #
9"
!& "
&= ( & # 6
!
&6 6
& #
"
9 " ! &' & $ % &' (!
"

& # &' #
' ""
#
"
9"
!& "
& #
""!
&
7 & # " &6 & & &
& >( =+
&
=+=
&
?
# "
!& "
& ""!
7 " &6 7
! &

& 9 "! 7 #
@ & # &6 & &
$ % &' (!
#
"#& '7 !
& 6
&' ! "#
"
& ! &' #
'
&' &'! ' % % : 6 "
$- 0
$7 A- >9
=
6" ? " !
( # &
'
&' & #
6
& 9 #

"
&
6
&'
7
! &' (
9
9
' # 6
&7
&
'
&' % && &' & 7
. '&
&
&
&' &
& ( # # " &"
%
& . 6

& 5
#
!
&' ( # ! &
&
9
=7 ! &'
9
! &
&
"!
7
&9
&" &
9 #
"
&
7
" "
&7

! &
# "
( =
=7 B ! &
&
"
7 ! !=
&7
! & 3# ! &' #
- "!
A!
&&
(
=!
9
#
! 9
, BC >D *?
" '
! &

, BC >D ;? "
( =
&
, BC >D B? "
!= &
C> ?
- "!
"
& = &' 6
3 # #
" & ' 9
!
" & = " &" !
#
"
&" &= !
& 9 !"
& & $ % &' (! 9 9
99 " 6 & 99 " &
!

& '
*

< # (
* (

) $
(

(

$
( !

(

'

(

!

(

(
(

!

$

# (
) $
$ $
$
(
(
$
( (
!

(
(
(
!
(
$
(
(
(
$
, - +
,
.
! /
(
+
$
!
$
(
#
0
$
(
&' = &' & 7
&''!&
& #
&
7 &'
= =
&' #
#
&+
& . &
&7
&+ #
% &" & & &
.
&
&
&' & % ( & &' & &
0 +
. #
!E " =
&
%
&' &
#
(
&
& &' &
&''!&
&
&'
#
&. & 7
&9
7 &'
(
7 !
"
= &7
#
(
( =
= &7
B
#
(
&
7 ! !=
= &7
#
(
&' &
&
&''!&
&
. & . F! & 7 &
&'
'
=
&
#
, B C >D
#
(
>D *?
"
&7!
, B C >D
( =
&7!
, BC >>D
D B?
7 ! !=
&7!
&
C> ?.
&
>D ; ?
&7!
7 &'
= &' & . &' &
&
#
&'!E &
! &
&
'!&
&
= '
&
&
&
$ % &' (!
& "
9
9 & 9 &
(
!

$ $
(
*

!

(

(

*

!&
' &'
& &
& &'
# ! &=
7
!&
&E =
! !& &
7
# &''
E
&
&' !&'
! !&
&''!&
&
!&
&9
# &''
&
! &9
& & 7 &'
&'
& &'
!&
#
(
!&
!&
&' &
&
!&
"
&' !&' E
#
& #! ! %
#
&9
&
&9
"
"
9
9 & !

$

+

*

$

(

%

!"#

(

.

/-/

&7 !
&

&= = '
!
& &9

&
%
&9
&
&' & "
= &!
7 &'
E &
!&
&9
!&
! #

% &' (! )

6
!&

&
&

# ! &
&' #! &
&
E
= &!
!&
&
&
&
&' #! &
# ! &' 9
!&
# !
= & ! &7
! !&

!&
& .
&7
&

!
&

&
=

"

!
&
!&
!&
& &9
9 E
# &7
&'
&
&
&
!

* + ,,

4 &7
7 &'
(
&
&7 = & &9
&''!&
! &
#= =
'! ! & &''
&7
& &9
#
(
&
& 7 &'
! &
#0 &
4!
!
&1
# & '!
7 &
#!&
$!#
7 # % " &
&!&E! & = #(
& & 7 &'
&'#
&&
7 &' &' = '!
&"
,BC + ; C
9
9 & 7
7 &' '!&
$ 2 ( 7H I % &
& 7 &'
! & # :!
%! &
:!
>
?
&'!E &
'
& & !
#
(
& 9
- 1
&!&E!
& = #( 7
7 &'
$ ' ( 7
= &!
#
(
&
! #
7 &'
&
.
&
& 7 &'
! &
#! !
= = '
& &'
= &! #
&' &9
& '
&
'! ! & &'' .
$ % &' (!
&9
&
& '
&' & =
& =
& = 6
$ % &' (! ! #
&9
= ' & &9
#
( &7
&
&9
&&7
# ! &' 9
&' & =
#
& !
&
& & & &'
&" &' &
= = '
&
&''!&
&
'
&% % &
&
& '
&
&''!&
&
&
-

.

&
&

1
! 7 &'
9
B 7 &'
&
&
&
=!
& &' &
&''!&
&
&'
& $ ' ( 7
= &'!&
&''!&
&
&' H I
'! !& &''
!&
! &'
&
"
& &
& '
$ % &' (! &' &

1

# #
7 J & >
?
&E
&
# ! ! !=
&'
!&
!
7 &'
&9
&
! &
!
&' !&' !& !
! & ! ! !'
7 &'
&' & &
&''!& 4
&7
= & &' &
&' &
&'
!&
7 &'
&' & '
& = = '
! &
!
"
&' !&'
&
&
! &
=! !& !
&' E
& ! ! !' 7 &'
&'!& !&' &
&''!& H I
&' &
&! ! & 7 # >
?
# &
&
&''!& &
! & = # &.
&'
&
! & = #(
!
& 9(
7 &' = 9!&' !& !
! &= = ' = &!
E &
! !' +
!'
&!
&
&
&''!& & & & = # &
H I
) #

! 2
, #
"# $7 A& % % > $%?
!
& ' !&"
& '
& !"
= '
= &'!&
6
( = 7 &'
& '
&' &
6 =
( =
&
= E & &
&7
6 ( =
7 &'
!
&
'
!& !
7 &
!&
!
7
@
& 9 %
" >
%?
H I .( 7 '
&7
& = #(
"#
#
6 ( = 7 &' # &
&
= %
6 =
B
&''!& &
"#
&"
C
!
6 ( =
!& HBI
&
= # &&7
=!
"#
# !& !
&
&
& $ &! ! HBI =
& &7
#
! ! &
! ! H*I $7 A#
6 =
7 &' =
9
& ! " & !& &''!# > =! ?
&
6
"
&
&
& &&7
=! $7 A- " "
!& !
&'
&=
& &
&
7
@ %
"
>% %?
# =! # = #
'
&
7 &' &' " "
= &' &
&' !&' & ( = !& !
=! #
& 7 &' &
&
&' &
! # ' =!&' &
"
$- H*I
0

&
$ &! !

&
&
4 #
&'

#

! &
=! #

E!'

9

= &'
'
&: 6
&
= &' &
7 &'

0

>%

'

&
# &

=
# & 7 &' =
&
#
'
7 &'
E!'
&7
&
9
& '!&
& !& ! =
"

9
=!

# &
=!
!
& = '

& =
%0 = =
&= =
! & =
&' 7
& "
= '
H,I

&
'

?
- &!@ H I
- &!@ &
!& !

+
$

!

+
!&
7 &'
!E! & =
( ! H;IH I .
&' = &' &
&'!&
& 7
=!
= ' "
= &' 9 & &"
! ! &
$
.
= &'
$
E
&''!& &7
= ' &9
&''
"! "
& &7
# &''
&

* G ,,

!

& &'
7 &'
#!=!&' & &' & ! ! E &' &
&'+= &' 7 &'
=! # & 7
&9
+
= &7
! # &
& 7 & & != " 7 &'
& # - &' ! #
!
= &9
# '
&' & & &7 .
E
& = '
&
&
= = & &'
& '# &
& &7
& = '
! &
9
6
& &7 H I
&' &
= &" & E!'
& = ' " & # &9
'
=!
= &E(
= &" &
'

& 7 & &
7 & &
=

!"#

$

% &' (! )

B
' 30' '4'

#4

#

%50 %
0 +
$
7 &' '!&
&
&
& &
#
1K. >%
0 +
?
&
!
&' &
!E! &
&
& 7 ! !& !
&' = &' &
! 0#
= =
&
% &
& %
0 +
#
&
& 7 &' '!&
& !& !
&'#
&
!
& ! &' &
&'!E
9
9 &
!
=! % &
&
&
&' = &' & >%
0 +
!
&
&
& 7 &'
'!&
& !& !
&' = &' &
!
6
! +
! 7 &'
'!&
&
&
&
&
= E & :
&''!& &
&
& 1K. E & &' &
7 &'
!
&
#
# E!'
!
&' & !E! &
&
& & 7 ! &' = &' &
4 =
!"
& 0# &' 7 &'
= &' &
# $ % &' (! H I

) 0
# 6
% &
& &
&' "!
&' #+ &' # 7 &'
! &
# 4 ' K 2
! &
&
& &
&' = &' & 7
&''!&
& #
&
7 &'
= =
&' #
#
&+ #
&
. &
&7 % &" & & &
.
&
&
&'
& % ( & H IH BI - &' #+ &' # = #
E
&7
#
' =
= ( # &

2

=

. '

>6

- $%- $
.
# #
%
!&
$ % &' (!
=
&
!&
&' &
&9
&
"
!&
&'
= #
6 =
! !& ! &
# &
7
&
#
&
&# ! =
! "
&' !&'
& !
!
&
&' &
&9
&
= '
&' & $ % &' (!
&
&7 = = &
!
#
&' =
&' !&' & E!' = # &
# 7 &'
=
$ % &' (!

!"#

$

% &' (! )

% &

&?

% $4
&E
!
&
! &' 9
7 &'
!&

7

!

!&
> "
9 & 9 &
!& =
!&
9
= = ' &
& &' & ! "
!
&

"
&' !&'?
& &
# &'' &9
9 &

&
&
&'!&
&
=
&
! #
& '
!&
7 &'
# &
&

* + ,,

*

2

9

&' &
&' E
#

=
' L

& &9
& !& !

"
& !

= '
=!

& &9
&'

!

&' !&'
&&7

2

&' &
9 % &' E

=

&

#
#

=

!&

(

=

!

!

&7

& &9

(

!

&' & "
= ' &
&
&7 = ' ! !
&' & #
& 7 &'

$ #
=

( 7 &'
& &' &

' =!&'

)

!
(
&9
= = '
&
$ % &' (! &" & &7
& =!
&' &
&'!&
&
& ' % %
: M
$- 0
&
&''!&
&
=
$7 F
&
! &' &
'
& &
&' & 7 & &
6
&
&''!&
&E
#
' > #
&7
7 & &#
&'? # &''
!&' & & &'
&
! &
& E
&9
7 &'
&
&" &' &
= &7
&' !#
#
9 " =
& (
# &''
& & 9 " &7
&' 9
= '
&''!&
&' &
&" &' &
&7
&
& '
&' & =! !# &
$ % &' (! # &'' # &7
# + # 7 &'
&' &
&
&
!
$ % &' (! 7 &'
&'
7

2

* G ,,

=

%

&" &' &

4 !

!"#

$

% &' (! )

2

=

B /

0

4 !

&' &
# 7 &'
$
= = '
&
!
&
&'
&
&
!
#
# &7 =
= = '
& &' &
7 &'
!
'!
7
&' &
& ' = =
&
&
=
" & 7
.
.

=
#

)
0
7 &'
&
= 9!&'
= ' =
!

% &' (!
&' E
&
&
#
% &' E
= = '
&
&
#
( L
& 7 &' !
&'
!
& 7 &'
( = &
&
&' !E!

&" &'
= '
&7

= =
&9

=
7 &' "
.

=
"#

N "N &''
N9
B
*

&

N
N

/& !
/& !
(
/& !

&

N!&
,

&
#

=
&

=

9

9%

&

=

#

&'
#!=!&'
&" &
=

&7

/& !

$

% &' (! )

!
7 &'

&
&

# &''
&" &'

!"#

&

%

&7

&

7

7

&

&
N
&
!&

!

N!

!"#

( L
&'
7 &' = =
&
&' E
&&7
&
#
( L $ #
(
#
&E
= ' &
&&7
9 &' E
&9
= = '
&
&
=
$7 F
6 " !
=!

5!&'
&7
&
&7
&
(
&7
&
&7
& &
&7
&&
&7
&

/& !
/& !
! !
/& !
/& !

N(

&

N!&

&''!&

* + ,,

,
0 %
.
&''!&

$
&' = &' & 7
! "#
&
& = 7 &'
&' =
=
!& !
# &9

= =

&
# &''
&''!& = '

2

'
.

,
= &'!& & 7
&! & '
&!&E &'
= ' =
!

=

&

&
=
&''!&
# &' &
&
&
! !
#
(

* 1

&
=
7 F
7 &' =! !# &

&' &
!E! &

=

$

&
9

&'
& E

& !&
7

.

=

&'

(

7 &' =! !#
= &' & 7

(

&

9
=! !#

&

&

7 &'
& !&

&'

(

9
% &'
% "
&
1 $B

K -!&

% & !
$4
B 24
$ &
O
3& (7
M
$ P
5 9 @

B
*

6
%
=!
#

#

&

&
&'

&

&

& #

& "#

$ &! - ' &
& '&
!
&
&
&9
& 9
&
&

&" &' & &
= = '
&' & #
&

&#

& !& !
&
&
!E! &

'

9 " =

&/
& !

&
>#

&+#
? #

& 7 &'
&

&

!
7

/
&

&

=

7
&
&

!"#
& %
#

= '
(
'

&'!& 7 &'
#
#
=
= ( # &

#

& 9
&''!&

&- '&

>4
&

* G ,,

& ?
! 4 &
&''!&

& !

9

2

=

7 &'
# =!
##
& '& #

&

!
&'

& #
&9

&

&
7 & &

!"#
!

# &7
&

&

!"#

$

&' & #
& &9

% &' (! )

&

;
7 &'
& &

&

&
#

(

#
'! ! & &''
&' & 9 &
&

2

"

&

=

&

,

&

&/

# &''

>

&

!

#

!&

?

&

2

.

!

&% &
&
& '!&
&! &
&
7 7 &'

& !& !
&

=
&! !
# &''!&

&
&

2

!"#

$

=

;

&

& =
! &
&
&

=

% &' (! )

&

"
&

&%

& 6 !
& 6 !
!
&
&
#
' =

! !& "
7 &'
= ( # &

&

&

* + ,,

B

2

=

&%

&$ !

2

=

&%

&

2

&
&
%

&

6'
&!
& &

* G ,,

!"#
&! !& !

!

7 &'
7

=

& !

&

&

%

! !#

&

&!

&!

!"#

>4 &

$

? % 9

% &' (! )

B

2

9
$ &!
&' &
7

&% 9
9
'!&
&''!&
&
!"#

& !& !
. = '

&'
&

#!
&

=

=

4 #

6'

9
&''!&
&' &
%$ = '
#
(

2

1 % = # &
.
#
= &'!& &
&
!E " =
&
&' &
#
(
&
&
&9
7 &'
7 !
&
7 ! !=
= &7
#
(
=
&
#
, B C >D *?
#
, BC >D B?
7 ! !=
&7!
&
#
&'!E &
% &' (!
& "
9
9 & 9 &

2

=

B

& &
# &''

& .

&''!&
&

= '
!&"
&''!& ' &

&

&% 9

'
&' &
"

!& !
&' #! &
9
9 & & 9
&
&''!&
&
&'
#
(
& . & 7
= &7
#
(
( =
= &7
B
#
(
&' &
&
&''!&
&
. & . F! & 7 &'
(
"
&7!
, B C >D ; ?
( =
&7!
&
C > ? . &
&7!
7 &'
= &' & . &' &
! &
&
'!&
& = '
&
&
&
$

%

/ /%

#
. &' &
& !& &
= E
&' E

= = '
& !&
&

& &
!
#
& !
&''!& &
'!&
& = '

!"#

$

% &' (! )

$

% &' (!
!&
= =
&
&
&

&
& "

&' = !
&9
& E!'
9
9 & 9

&
= &!
&

* + ,,

&

B
)
!
#
# & 7 &'
&'
&' = &' &
!
E
=! !# &
&

$ % &' (!
& $ # (
&
&' &
&
&' &
!
= = '
& &
&E
&9
7 &'
! # &' =
&
!

'!&
&
&' &
&''!&
&
. &= '
&
&E! &7 !& !
=#
!& "
& &' &
& 9
&
! 7 &' = !

1 5 1
[1]
[2]
[3]
[4]
[5]
[6]
[7]
[8]
[9]

[10]
[11]

[12]
[13]
[14]

[15]

0 &
4!
!
1
# & '!
7 & >
B?O
&9
$ #
( 4 =
$ 2 ( 7%
# &''
!
=7 #
>
? $!#
7 # % " &O : ! &
G & % &
& &' &
&' & !
G
!
+
B + E&
'
:!
%! &
:!
>
? 8
) $
#(
(
4
(
%
) $
1
!9 :!
% '
! &9
:! ! &
5 !
& /& 6
&E!&' !
J &
>
? Q% ( !
(
()
3$* (
#
(
0
#
# 0
O
:
$
3
& $
!' # 4!& 9 >
,? Q
$
# (
: $ ,
! 2
0
+
7 ; < =>>?
@9 0
&
+
: 'E
2 6 $
= >
? Q
*
0 $
! 2 O J '7
&
99
!' # 4 >
? O , 5 ! 2
0
+
7O J '7
&
99
/
& #
#
0 4
)
:
2! &'
!
3&
R
. 60
!& 7
$
# (
#
(
:
2
4! &'
4!
( & $ 7 &
!
4 = &'
%! &
>
? A
$* (
$
# (
!
(
) $
1
!
(
0
(
(
9 & &
& :! &
&0
!
" &" +
> :0 ? 5 /
5 7 !
>
? # (
1
!
$
*
(
(
4
#*
& &
&: ! & &
(
&' &
"! 7 +
+B
!' 7 &
!' # 3 !& E = >
?
!
, * B (
C,
0 0
* 0 (
(
(
1
!
&
&
& ' &9
& $!
$
$
$ J '7
,5 =!
+ , B
+*
P! & 9
>
B?
# (
$
$
.) $
#
% +
&9
4 & !&'
$ 7 $
% =! & $
% = E &4 =
5
&
!& %
% &' & & % &'
! .
% = E &
.
/& 6
% &
& & &
1
/%
!
+ B
#$
,
=> ;
% & ! !&'
! ! & $ & & ! & &'
!
E #
&$ 7
4
&
&
4
&
&
! ' 4 &" &
& $ &''!& & 3 = $ = > !
! .
/ 3 1 2 ?
.
=
*
B +** /& 6
&
!
4
& $
& J &
& 5 P
9 P
* % &' = &' &
#
4 #
! (
4 =
&
*
BB+* /& 6
&
!
4

* G ,,

!"#

$

% &' (! )