Embedded Android Workshop ESC India 2012

AB
CA DEFA
E E A
B

B F A
D B F A

A BC DBA BEB BF A CB C B E DD ) E C A B A! C D4 AF
BC CD BC C
!! C B E DD C"! !F B! !

CF C # C D B AD $ %&' ' (' )
A D C DB B B * A + ,$
E C " BC C B " - A " " ,
. " C CA D D B C F /
01C " B B 2 .(& DD A B A C B " C B A F /
C" / C B C CB
3 BC C 0) E C A B A! C D4 AF 2 B
C" B
3 BC 51(67)'8 C D " A B 0 F 2 A B C
B

* , C" $1 C
A C B AF 9BC D 3B" D C
1C " B B /// C D! DD !A

F
C

7 C A A& : CB ;;;
1C " B A A B AC B * C !C B ,
CB "$ D ) E$ "$

F AC A
= "
5B D E "
B

<

A BA A AB
6B
= C
' D
& "B CBD / C
%B CD B A BCA/BC C # C D
) E D

>

5 B C
B CBD / C BF " C B AC B D D
)B E E C B DB D4 A CD F A E
7 "CB A FC / C FB A C B F9 "
1 D 4 A "CB / C AF B D ) "CB FCBC - ) "CB FB A
1 C& ' B * BCA/BC B CB B,
D& C C C A AB B CB"
E AB C C DD B A $ E A $B A DB" CDB *E%'C<$ = ?<$
E% $ $ E($ F%C$ %8C$ C75,
C E * BCA/BC A A ,
6 $ ')C'$ C$ B A B 5 * BCA/BC A A ,
BD CB$ C% $ D B $B AB C D C * BCA/BC A A ,
( A E D EC D A "BA E D B C$ C A F "" "$
D D C B A C CDB C "$ B A B " C ' 7)'

A

.@
6C / C
%
8 C 0B 2
EB
=1E'
' ( =
6 9
E'8.
D A B / C B B ! BD
B "
G

% &B D' E +

B!B
%$ D' % &B D'

E +
E +

% &B D'
%"A '
%$ D'
E +
E +
E +
"A
#
$ D ;

8 " C *8 DB *, HIHI,
. B A / C . : %7! DB DB
/B
%C B AB / F A B CB A D
A E CD A B CA "
.7 A CD A B A C D B 0FCB 2
BC B A$ E C
6 BE C C A B A /D D C A

= C
C" 6C B A &BCC %B" BC A " A DBC
A DBC "CB " / F$ 7E$ DB $
A /B DBA F )B " C $ A AF A ( F * '1,
6C !%B" D ( F B B CA B "BE A J A E D
C " /B A B BC " A
<
) / "$ A /B J DB "K
)B " C F BCA A A A C B ( F
( F C AK BC A AC A BC A " CL
C B 1 D F B A B CD
> F
C F " F C " C A A D ,
A 8 E DF C
1 =B A B B AB "/ AC A

G AC A C B A
; 5 F AC A
; C AC A >! B
; AC A ?!)
; 1 AC A ! !' BC
EB AC A ! 5C
) AC A ! C " CFC BA
FB AC A != DF M BF D4 A
M EB AC A M. 6 C
M8 E AC A < !7 C BD B A/ M D C" C " CFC BA
B A= DF
MF AC A < !F 6 B M%B CD 1 D 4B

' D
G> B EB C AB
< B *E >G> C N B C ,
O> P B . DBC F CF C

B N B "I
& BA " 7%
C "
D A C DB B C C
(E$ 7 $ 5C B $ 7$ D B DD$ 8L7)7 $
=B A DB B C C
E C B$ BD "$ = $ &C$ 'C $
BF DB B C C
E C B$ BD "$ C $ )'&&$ . $
B C A E
8 $F 6B DDB A % B CD$
C
AC A EBC $ DB4 C $L $ 6Q8 8119 $

<

1 =B A B
0 B "C G " B A D F D B / BE D " C
B CB EB D F B A C D C BC C$ : E $B A
F C D F : C " C / BE A E A AC AR$ C
D $ $B A C D F B CD 2
. BC / B 1= A C/ B F $ B $ D DF C A C E
8 B C"B 4B / F BCA D DF C $ B $ S B 0 B 2
C " N AC A BD BC BA B F A " A" A E$ B B" B "
1= BC" B E ! BF
D C A
E F 1 CB C C $ E F $ L AB $8 ) D $
=B A EB B C C = $E C B$ &C$ BD "$ 'C $
D A C D B (E$ 5C B $7 $ 8L7)7 $ D B DD$ 7$
/BC D B C " $
DD C B 4B D B

>

< & "B 5CBD / C
A B
A
6CB A "
C " N / AC A
C B E C
1CB E C "

?

< A
%BC
9 C
AC A 1 C %C S * 1 %,
9 C
A BE B B AE C TU C%& C # C D
C " DB B A C B B AC A " " C D
1 %
A AC E C ?D
1 B 1 % FCB B B AC A " " C D
EB B" A F 0C 2 $B E CB 0" 2
= DF * , A C # C A B " C "
/ B N C A AD A C C D " F BC )9 B A "
= DF B C A E $ A " 6Q8N 8
A

< A &
9 C
C8. C CB % F & *B B C%&,
1 %
E B & *B B &,
=BE " C%& C C B /B B A " " B
/ C%& B A &C%& BC DB 6 V B A )6.
D D 6 ) 6 B A F :
0 : C B !2 A C C B B D : A FB" $ C%&
EB F A CBF BAA C%&!&C%& D
6 6 :
F ! " F !" F

G

< 6CB A " .
AC A ( F
L C D & : "
AC A & " * 8 ) ( 1 7 ) /! B ,
B F A
AC A D B
B F A
AC A 1 B 8BD
A C C 0 C AC A2
E C C # C B C EB
AC A E B" "
/ A / AF B" C 0 AC A B 2
D B C " ))! E E A 0B C EB 2
;

<< C " N / AC A
1 %B
AC A EBC
3 F
EB B A 8BE "B
CDB
L
EB

( # C
! )) D B
" A B"C D /! C "
7 # C B AC A BC C W" " D

<> C B E 0 C 2
C BC B C BA F
AC A EBC
DB4 C
L
6Q8 8119

8 " C A " C D BE " C /

< ? 1CB E C "
5 A "
%B C " D
?$ >$<<A- ?$ ; $<A?- >$;??$A - A$< ?$A - (' G$ <- ?$; $ >- B A ?$ ? $>
C" C " D
AC A A B 1CB FBEB FCBC C FLE B C A
AC A C B =BCD B A )B E BA
7 1 F C $ 76E B =BCD S / C 1CB N
1 F)9$ BE " C S CB B C B A

7 C " 1CB F C" B A %B C

> %B CD B A =BCA/BC C # C D
7 C
AC A C & :
C C C & :$ B C AC A
9 / BE F DBA / C
(E
:G?
E7%
C=
% B C A E
BB C $ D C /BE E $ BC D $

> D B ) ) D
/BC E. CD 1 %
B %B B" " D B F C 0B 2
E D AB D B F A A C $ A C $C CA "$
) E C D B F BAF$ AAD $ E
=BCA/BC D B F
) B B A CCB
7 ) E
)B B E
BD CB
E D C B A CB"
. 6
% C CDB D B F
C E A D B F
/BC D B F "
. AB BF /BC E. A D B D AB
<

? ) E D
( # C D
A E B AC C
A F "" "

?

? ( # C D
A E D B A A F "" "
B A / ! EB ! & :/ C B
F)9
' /! ) "
=" C DD A A C B A E * ,
%B CD A E D
C8. C A E B
F C A F "" C
D C B C
A

? A E B AC C
)9
B AC A M DB B" L) B A )9 D
B F A CM C B " B B B"
A: M E C " SBC A :
BAF M A F " FC A"

'D B C M D'E. FB A (E D B C
. 9LE C :G? BA
8)9 C8. B C B E F BC
) D B A E C B AC A D
G

? A F "" "
BAF
AAD
D C C
CB E /
" B
' "CB * ) " ,

A E &E
AC A ; )B E
5CBD / C 7 C F87
8B E ) E D D CE C
< 1E CB C C B " CE
> D BC E EB B" C
? & :9 C <6 A C
A =BCA/BC C > 1 %
G 8B E . C B

AC A
D
7
D
EB
%C B A C BA
( D C A C B

D
T8 D
B D CB B
C BC B DB" B BC A / E CB BC
A A
'C" 8 C $ H $ B A HDB *,
D
E
CE
6C BA B ( E C
%C E A C

<

7
7 TB C D B" /! C /!
A " B A BC"
& B D C . : " B$F /!
C # C A BC"
7 0 B BA2 A 7 1FS
7 5 C A EB

>

D
DB DB" B BC ! !
C
' C DF BE C C A B A /D D C
D C "" C & B FB /
C EB
'C" E DB B" D &
D D BC D C D :
DB B" B C

?

< EB
7 CD D BF B J D
@E& CDB
/B B A AC AEB :D
E T XB E U B
CE TX CE U B
6C BA B ( E C
B T XC E CU
) BD T : C " C( E C*,
%C E A C T X C E A CU B
G

> %C B A C BA
%C
) B B B FB B B D BC A DB C C BA
XB E UYX CE UYXC UYX C E A CU BE C B CF E CC A
A B
) 81 C CD F "! " CB DB C C BA
B/ C BA BA
%C CD B !C BC B DJ A C
C C
E DB B" D &
C BA
C B " C " BC FBEB C BA 1FS
AC A %7 C E A C BA C B
& C CC "BD B" / B C BA
=B A C C C "D B"
=B A C C BA C " B C BA / B D B"

;

? ( D C A C B
AC A (% T6 A CD B D
8 L 7% A C C C B B"
6 A C B / E B $ AB
7 BA D A CB "7 CB
) &B " B" *7)&,
7)& A BA " CB FBEB CB
A

<

5CBD / C 7 C A
.7
)B B CB"
C !% CD
B AD D C
CCB
A B A LA
& B B A EB
6
85
<

.7
'E C " FB A CBC L / B A
L /CC *B ,
) BC A @E& C A BD B C " FBEB
.7 D
B A"
'E B A C
E
)B "
8 B

<

)B B CB"
BC A C C
%C EB CD E B C EB
7 C B CB"
%C EB AB B A E D D C
': C B CB"
% F AB B BC A : C B A E * ),
D& )6
%C EB )6
8 / C
B F FB A CB" *(' ,
<

C !% CD
E C C AB C E .7)$ C7)
% CD C C C
% C C CB
% C .(7 B
B BC B AF : A
CD C # C A 0 : 2 B AF :
) "CB B FB A
C B
. C C D
CD D F A BC A B B
<<

8B E A E D
B B B B A B A
C "B A B " 8)9
. " 8)9
7D D " B E B

<>

B B B B A B A
. C
% C " : "F A A AC A
) E " D4 A B E B $ B C "BD "
%C E A
B AF A " CB B E A FCBC C D ! ZZ
BB DF A B E F B
BF * C/BCA D B F , B E F
) D B $ BD B A CB
' BF
B " B E A C D FBEB " F87
7D D " B E B * ,
) N B /
D CBA B & :!. : B B
<?

C "B A B " 8)9
B BJ 8)9I
) E D
BF B E %7 D BA C
) D B 7E%1( 8
BD
C " 8)9
!!A E C B AC A D! A ! A ! A : D
%C C #
B A / $ EB C& :
D )9
DB *C8.J , B A B/
5 CB A / $ "/ A C " C
8)9
EB C C C # BC B A
) / BA B A B 8)9

<A

. " 8)9
%B B E A A CX C S U!S !
C B X C S U!S ! AC A D A CF B E A
8)9
1 B C B X C S U!S ! B D C
A CF "/ B E C BC C # C A F B
<6 A B E A
AX C S U
X A U! A F A
> D B / )9 8B E A / F BC A F
B

<G

< 7D D " B E B
AC A B A
8B E DB B" D
C / : A A B A )B E LE
B F87 B FBEB
&D A %7
E DB B" D
7 E B A C
B A / DB B" D
)C B B
EB C CB E B A 0B AC A B 8B E E 2

<;

> D BC
6 BA C
9 C
7
V "
D CE C
E EB B" C
&B C *= D ,

>

> 6 BA C
B !F BF !F BA C
DF BA C C AC A
. 6 FB A
7D D 0B F 2 C
C AEB0B F 2
B !F BF !C E C
.7 FB AC E C F C "CBD
A C " DB" # B F
. B DB B C C EBC B
>

5B B

0x000003860000-0x000003900000 : "misc"
0x000003900000-0x000003e00000 : "recovery"
0x000003e00000-0x000004300000 : "boot" 9 C
0x000004300000-0x00000c300000 : "system" ! D
0x00000c300000-0x0000183c0000 : "userdata" !AB B
0x0000183c0000-0x00001dd20000 : "cache" ! B
0x00001dd20000-0x00001df20000 : "kpanic"
0x00001df20000-0x00001df60000 : "dinfo"
0x00001df60000-0x00001dfc0000 : "setupdata"
0x00001dfc0000-0x00001e040000 : "splash1"
0x000000300000-0x000001680000 : "modem"
5C D C&# A '

><

> 9 C
'BC BC A E C BCA/BC A A
7 B 4 EC D C C " A
F D BC C A A
BC [ C *,
7 B 4 " E C F D
E C D
BC C

>>

> AC A 7
1 $ BC $B AC ! C
C B D B AD D
D CD
11E BAS D C C
BC AB D
BAFA
CE DB B" C *F A C : DB B" C,
E A
A
C A
B [ C @4 " *V " ,
D A B CE C

>?

>< V " $
7
B [ C @4 " *V " ,
CBD / C !FB ! DA !B [ C !B [DB
C D BC *0 D B AC A C B V " 2$
CBD / C !FB ! C !S ! AC A( D
BC LE*,
B V " N DB *,
CBD / C !FB ! C !SBEB! D!B AC A! C B! !V
" 7 SBEB

>A

C BA B *,
BC D CE C*,
DB"
B D CE CN C *,
CBD / C !FB ! CE !SBEB! D!B AC A! CE C
! D CE C SBEB
BC && D CE !DB B" C
BC E EB B" C
A7 'C1(3[=1E'
&B C
>G

? AC A D
BB
/D D B A C
6 A C
B D DM D BC A E D C
( E
& "" C

?

A =BCA/BC C
6 6 V C " ) 6. 7% * BE A C%& BD B D ,
C% EB B C C C E A A F"
B / B[ B
) B A CBD F C AC E C *!A E! F ,
9 DB B A 9 F BCA A E *!A E! E ,
&" EB B C C C E A A F "
6B "
9 F BCA
6
6B C
8 B

A EB B C C C E A A FB A * A & A C B B B B CB A C C "" A ,
BD CB EB B C C C E A A F BD CB * A L<& C AC E C A C B B CB A C "" A ,
% / C EB B" D 0BB 2 C B
C EB B C C C EA A F C
C D C
EB" 5 A
1C B
C C
&"
%C C
D CB C
%C : D
(BA &B C 7 C B EB B C C C E A A FC X D B BD U X(7& E C U

?

G 8B E . C B
EB
!AB B TU . C AB B
! D TU D D
A
!A E
! C
!
! F
!D
! B
'
?

&F
6 $ D& $ &$ 1 C&' $
8 % : D A % C BA C$ L 7%
F :
)B D
CE DB B" C$ E A$ C A$ A$ BAFA$

?

; )B E
FBEB T
FBEB B " B" Z FLE Z F)9 F
AC A FBEB T
FBEB B " B" Z )B E Z B =BCD
BC"
/ %.
( B E /( E
1 / /B B
6B C / C A
8 / B F7
?<

; )B E N A :
FLE D 0 B 2
)B E D 0 A :2
A : T B C A F 0A:2

. D C A A :T >]. D C A SBC

?>

F87 M FBEB 8B E 7 CB
B "B C C B " B" $ B $ ZZ
'# EB 8' N E
. B" A B A B B E A C D
T 8)9 BD A A
AB CDEFD D
E C BEB BF %)5

??

D CE C
' C CE ) E % A CE
% / C EB B" C B 6BC = BA 1F CE C
E EB B" C F BCA CE ) 1F CE C
( " C 7 E A CE .7 E A EB B" C CE
%B B" EB B" C 8 B CE 6B CE
EB B" C 8 / C EB B" D CE B A" CE
EB B" C E CE ( " CE
D %C E A C C CE DB E
6B C CE F EB B" C ) B CE
&" CE E CE )6 " 1F CE C
L FCB C CE 8 B EB B" C
BCD EB B" C ) E CB" E C
7 BB A " & B EB B" C
C CE BC CE
B A / EB B" C )C 6 : CE
6 CE BB B C CE

?A

B " D CE
. " D CE
': 8 B EB B" C 1FS C C
C " T : 81 757 718[ '(L7 '-
8 B EB B" C D8 B EB B" C T *8 B EB B" C, ^
" D CE * ,-

%C BC C
B FS
D8 B EB B" C *='&&1[7)$ B ,-

?G

E EB B" C
BC / E $ CE
5 %C E A C
7 FC BA B "
11E BAS DB B
B 8 ( A "
% CD
B DB B" D
& DB B" D
?;

': BC " /B C D &B C
*&B C,
BC E * E SBEB,
D
E EB B" C CE
BC L BV " *%C SBEB,
E
V "

A

< 6 A C
1(6 ! 1E 7%
)B B C " 0 BC 2 0 CB B 2
9 C C AD B D
!A E!F A C
! C !F A C!]
B AC A ] %7 A D CE C
C " F A C

A

> 1 %

! B B" !B ! B B" ! C EA C ! B B" ! D A

A " &B C B %C E A C &B 7E'
BCD ED B ABC%C E A C 1 B
6 E B %C E A C % 7E'
6C / C %B B" 7 B C ) / BA%C E A C
B B C %C )CD%C E A C
B ABC %C E C " B %C E A C
BD CB D BC 6 : E A B%C E A C
C7 B C " %C E A C
B A( CA C . C) BC %C E A C
) ( CA C
'DB
CB C L )B C
= E&L / C

A

AB ( A ) A*
B A B

6 A "
6 A D
AA " /B B
7DB"
. " BAF

A<

B A B
& B
!!B AC A " " C D!
C 0C 2
K C !!A " " D!A !" " C !" C !C U O!F !C
K D A BZ: O!F !C

5 1 %
EB C B B"" A C B
C " CFC BA
KC !!B AC A " " C D! B CD!DB
F B AC A A[C
KC
A>

F FCBC C B D
F BF ( C F BA C
F A 6 A D
D B F
AB E )B E LE
A E D ) E D
A E ) E B A D
: C B : C B C S AF 1 %
CBD / C D CE $ B AC A ]$ AC A C B A DA $
BCA/BC =BCA/BC C F
F C B =BCD
A 8)9
B B" AC A B $ C EA C $
C F %C F F BC
A )9
D / C A B BC C DF AA A : B CD B
BC AC A

A?

6 A "
( # C ?< F .F <
%B B" C # C A
K A B " B F A B F ?A E ^
U B F F 4 F : " C " C ^
U "ZZ F ? A E G? F4 A E F: A E ^
U F A ZZ? F C > F C >A E ^
U "ZZ D F
% F : B / DF
K A ! C! F ! F A ZZ ? ! C! F ! F A ZZ

K A ! C! F ! F4 ! C! F ! F4
AA

F A EC D
K + F A! E
K

&B F A B A " /B " N "BD
K DB S

" A C C B FC B
F B D B C/ N A
K D B CQ

AG

D C
F A! E C DDB A
) B * D C B ,
K : C . '[ ='T
. 0 2 C D 1 %C E EBC
3 N A B D FB B C B A /B
C B D B C C D 1 %C
K F A! E
K
K D B C
A;

< 6 A D
8 ( C E
0E A 2F A C A B A AC A D

G

> AA " /B B
AA B B _B `! B B" !B
B ' C B B E C
' C S B B" !B
AA B B C CB AC A D C S
AA C S %(1). [% 9 C'
_B `!F A! BC" ! C A ! C D

G

? 7DB"
B AF A _B `! !
7DB" B _B `! ! BC" ! C A !" C !
CBDA D"
D D"
CAB B # D D"
9 C
C F !B AC A BCD! C ! C # D
'D B C E CC A
C
CA
G

A . " BAF
B C ! CB /! C " 1 %$
A " D B C
=
K BAF
BC"
+

) D " "
K BAF " B

" ! C D BC"
K BAF !AB B! B
K BAF ! C ! " "4
G

& & BA
C "
!!B AC A " " C D
LB B
!!/// C C"
' C /B NC C / A
AC A C B C
8 C "
A EB B C B B AC A D
9 C B D AC A D :
BB
G<

, B! AB -E .
5 D B
6
F :
7
8B E AB D
% / C

G>

5 D B
!B TU C CC D *) D B ! "C :,
! B TU B B BC
!A TU D ! ! C !A F "
!AB B TU AC AN 0!AB B2 D
!A E TU ) E A
! TU D ! D!
!D TU D CBC D
! C TU C
!C TU A
! F TU E A B A BAFA
! A BCA TU ) BCA D
! TU
! D TU AC AN 0! D2 D
!E A C TU D ! D!E A C
G?

! D
!B TU B B A
!F TU 8B E F BC B A AB D
! TU " CB
! TU 5
! CBD / C TU AC A CBD / C SBC
! F TU 8B E FCBC
! C TU E B C 0! C2
!:F TU 1 B !': CB F BC
GA

!AB B
!B C TU 8( CB
!B TU B B
!B C EB TU %C AB
!FB TU 5 C 6B EB B" C
!AB E B TU )B E )'@ B
!AB B TU AB B
!A B TU &B B * Z C BA , C 0A D B 2
! B TU /C BF B
!D TU E AB B */ $ E $ F $ ,
! C C TU % C D C C * C $ B "$ ,
! C TU C AC A AB B BEB BF
! D TU D AB B

GG

6
7 B
!F
7 D
! D! F
%C E A
F
FD
FA
F AZZ
F C BA[AF
C
G;

F :
7 B
! D! C ! F :
7 D
! D!F ! F :
%C E A
B BCD AB " E D A DE / CA C A
DA AA " C D A B AC BA C E CD
A E BC D B A B CDA C
D D AA A D AC / [D A C
CDD A ED B / AD " " C BA
C B F C C /B C D : "D
C F C /

;

< 7
7 B
! D! C !
7 D
!
(
! C
! _F BCA` C
! E AC
! E A _F BCA` C
! D! ! _F BCA`
;

> 8B E AB D
CE DB B" C
E A
C A
A
BAFA
B A

;

> CE DB B" C
7 B
! CBD / C !FB ! DA ! CE DB B" C!
7 D
! D!F !
%C E A
: DB B" D CF A C
CE A : C C D

;

> E A
7 B
! D!E A!
7 D
! D!F !
%C E A
L D D C
D
CDB D AA E

;<

> C A
7 B
! BCA/BC !C !D C !
7 D
! D!F !
%C E A
0(BA 7 CB &B C2 BCA/BC

;>

>< A
7 B
! D! A!
7 D
! D!F !
%C E A
EB B" D B / C "
7 CB / 8 / C EB B" D CE

;?

> > BAFA
7 B
! D! C !BAF!
7 D
! F
%C E A
7 CB / 0BAF2 DDB A
( D A F "" " B BF

%B B" B ! B
0BAF 2 C A B
;A

>? B A
7 B
! CBD / C !FB ! DA ! B A
7 D
! D!F !
%C E A
%B B" B ! B
B B AE C B
7 CB / %B B" EB B" C CE

;G

? % / C
A D B
A D
CE
" B

;;

E !
CE C F D CE C
1F CE " D CE C
B " D CE
7 A B / D CE
C B " C / D CE

CE C F D
CE C
' C CE ) E % A CE
% / C EB B" C B 6BC = BA 1F CE C
E EB B" C F BCA CE ) 1F CE C
( " C 7 E A CE .7 E A EB B" C CE
%B B" EB B" C 8 B CE 6B CE
EB B" C 8 / C EB B" D CE B A" CE
EB B" C E CE ( " CE
D %C E A C C CE DB E
6B C CE F EB B" C ) B CE
&" CE E CE )6 " 1F CE C
L FCB C CE 8 B EB B" C
BCD EB B" C ) E CB" E C
7 BB A " & B EB B" C
C CE BC CE
B A / EB B" C )C 6 : CE
6 CE BB B C CE

D B
CBD / C !FB ! CE !SBEB! D!B AC A! C
E C
>E
O
G>
E DB B" C
; 9
Z

1F CE " D CE C
& " B
A D

" B
5 A D CE CN %7)
K BAF "C D[ CE C
D ? ? >< G BA A G D[ CE C
& C
K BAF " B "C 0? ,2

)!% / CEB B" C CE * ? , F D A
7! ( " C * ? , CE B D AC A AC A ? .E
7! ( " C * ? , )B B B T )B B E % F TB C B T
C B 8BD T / C T
7! BC EB B" C CE * ? , 6 A " BC BF B E
7!B CE * ? , B CE C " 8 D / A / C C
7! E EB B" C* ? , " B " A a B T D T ! ? T [. T T ! ! BET !
7! ( " C * ? , E B" BB " B " A B
7! ( " C * ? , B 5 C/BCA " B " A B
7! ( " C * ? , )B B B T )B B E % F TC C B T D&
7! ( " C * ? , )B B B T )B B E % F TC C B T D&
)! C "* ? , EB C7 B B C E B" / B T
7! E EB B" C* ? , BC C B AC A C D A B C FC BA B
D B AC A C E A C A / BA ! ) / BA( E C AT AT " A Ta >$ $ b
7!( E C D* ? , 8 C E C "
B!B A /EB B" C* ? , C 4 D : C A

<

A D
CC C " CE
CB 5 " C
B F
B
B E
B BCD
B / A"
B A
FB

/
/ A /

).E% 15 '(L7 ' CB 5 " C
Z &B C : ;?F;
4T $ T* $ ,$ 4 T* <G $ G ,$ A 6 A "T $ A ) C "T $ EB AB
`
BD T D B AC A B C! D B AC A B C &B C
T : ; <G$ A T?
_ BAT $ BEB BF T $ # AT ` C B EB T $ . T $ A T?$ B T
CDB T $ _<G :G <G ` _<G :G <G `$ C 4 & T : $ A# # D T> A>?

>

B " D CE
. " D CE
': 8 B EB B" C 1FS C C
C " T : 81 757 718[ '(L7 '-
8 B EB B" C D8 B EB B" C T *8 B EB B" C, ^
" D CE * ,-

%C BC C
B FS
D8 B EB B" C *='&&1[7)$ B ,-

?

< 7 A B / D CE
C 1 % C $
C
7D C ' B A B D A
. C E C " C "
7DB" :
(B B
&B :

6 B $ N A D AB / C
A

< E EB B" C
BC / E $ CE
5 %C E A C
7 FC BA B "
11E BAS DB B
B 8 ( A "
% CD
B DB B" D
& DB B" D
G

': BC " /B C D &B C
*&B C,
BC E * E SBEB,
D
E EB B" C CE
BC L BV " *%C SBEB,
E
V "

;

< %B B" EB B" C

<> 9
7 B B ! C D EB
% CD
7 C *B 7 ( E C SBEB,
B AF E EB B" C

< B A / EB B" C
EB C BA
B A / DB B
BB B C B A "
1C B
5
&B C "
7 E DB B" D

<< 8 B EB B" C
B
8 B
A B FB * 8 B %B C SBEB,

< ? 8 / C EB B" D CE
B 0 A2 ! D! A
7 CB " CB
C "
)8

<

<G & B EB B" C
EB B" B C EA C
" 6 %C E A C*,
%C : D B C
&B / B

?

<; B 6BC EB B" C
': B A ! B
7 E F
( E B B FB
B FB C B DB B" C

A

< 6B EB B" C
' BF ! A BF
CB C DB B" D
FB 8 /*,

G

> C B " C / D
CE
AA C A
CBD / C !FB ! CE !SBEB! D!B AC A! CE C!
=BE D CE C SBEB ZC " C CE
) BCA/BC %7 CB
': C "
CBD / C !FB ! C !SBEB!B AC A! !_ CE C` B A
B B E 0AC E C2 A C " F87
7D D C B C CB AC E C
C B B B B B CE
EB A C B / )9
;

> 1 C CE SBEB
package com.android.server;

import android.content.Context;
import android.os.Handler;
import android.os.IOpersysService;
import android.os.Looper;
import android.os.Message;
import android.os.Process;
import android.util.Log;

public class OpersysService extends IOpersysService.Stub {
private static final String TAG = "OpersysService";
private OpersysWorkerThread mWorker;
private OpersysWorkerHandler mHandler;
private Context mContext;

public OpersysService(Context context) {
super();
mContext = context;
mWorker = new OpersysWorkerThread("OpersysServiceWorker");
mWorker.start();
Log.i(TAG, "Spawned worker thread");
}

public void setValue(int val) {
Log.i(TAG, "setValue " + val);
Message msg = Message.obtain();
msg.what = OpersysWorkerHandler.MESSAGE_SET;
msg.arg1 = val;
mHandler.sendMessage(msg);
}

private class OpersysWorkerThread extends Thread{
public OpersysWorkerThread(String name) {
super(name);
}

public void run() {
Looper.prepare();
mHandler = new OpersysWorkerHandler();
Looper.loop();
}
}

private class OpersysWorkerHandler extends Handler {
private static final int MESSAGE_SET = 0;

@Override
public void handleMessage(Message msg) {
try {
if (msg.what == MESSAGE_SET) {
Log.i(TAG, "set message received: " + msg.arg1);
}
}
catch (Exception e) {
// Log, don't crash!
Log.e(TAG, "Exception in OpersysWorkerHandler.handleMessage:", e);
}
}
}
}

> 71 C CE BA

package android.os;
interface IOpersysService {
/**
* {@hide}
*/
void setValue(int val);
}

> CBD / C !FB ! AC A D

C !SBEB!B AC A! !7% / CEB B" C B A ^
C !SBEB!B AC A! !71 C CE BA ^
C !SBEB!B AC A! !7( D B FB B A ^

>< D CE C SBEB

A E B F : 1%'( 3 [ '(L7 '

try {
Slog.i(TAG, "Opersys Service");
ServiceManager.addService(“opersys”, new OpersysService(context));
} catch (Throwable e) {
Slog.e(TAG, "Failure starting OpersysService Service", e);
}
...

<

>> = CE C SBEB
package com.opersys.helloserver;

import android.app.Activity;
import android.os.Bundle;
import android.os.ServiceManager;
import android.util.Log;

public class HelloServer extends Activity {
private static final String DTAG = "HelloServer";

/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);

IOpersysService om =
IOpersysService.Stub.asInterface(ServiceManager.getService("opersys"));
try {
Log.d(DTAG, "Going to call service");
om.setValue(20);
Log.d(DTAG, "Service called succesfully");
}
catch (Exception e) {
Log.d(DTAG, "FAILED to call service");
e.printStackTrace();
}
} >
}

" / E BA 0
! CBD / C !FB ! C !

! CBD / C !FB ! CE !SBEB!
1 % C EA A
&
! CBD / C !FB ! CE !S !

! BCA/BC ! F BCA/BC !

!A E !_E 8.5 `!_)'L7 '`
EB C EA A ! A ! D B C!
EB
9 C CD A
EB C EA A
C!

?

_B `! BCA/BC ! F BCA/BC ! A ! BCA/BC
"
"
C
_B `! BCA/BC !C ! A ! !
C
':BD _B `!A E ! BD "! C !
FB A
F BD CB
F "
F C
. " F87 B
A

B F87
public class HelloJni extends Activity
{
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);

/* Create a TextView and set its content.
* the text is retrieved by calling a native
* function.
*/
TextView tv = new TextView(this);
tv.setText( stringFromJNI() + " " + pid() );
setContentView(tv);
}

/* A native method that is implemented by the
* 'hello-jni' native library, which is packaged
* with this application.
*/
public native String stringFromJNI();
...
/* this is used to load the 'hello-jni' library on application
* startup. The library has already been unpacked into
* /data/data/com.example.HelloJni/lib/libhello-jni.so at
* installation time by the package manager.
*/
static {
System.loadLibrary("hello-jni");
}
}

G

F87
jstring
Java_com_example_hellojni_HelloJni_stringFromJNI( JNIEnv* env,
jobject thiz )
{
return (*env)->NewStringUTF(env, "Hello from JNI !");
}

;

AB 1 /A D
& B B A D
B AC A ]
D 4B

& B B A D
_B `! CBD / C !FB
! DA TU B E DA B A AB D
! C TU B AC A ] B A D B AC A ]
!AB B TU 5 B A A
!"CB TU ) Q ( A C C
! A TU 0 2 A
! C TU C C
! F TU 0 2 FCBC
! B TU & B C EA C
!D A B TU B" C " $ A $
! B E TU 8B E A C D CBD / C D
! F : TU 6 F :
! " TU C& FCBC B A SBEB A
! B B" TU / C B B" * B 6BC,
! CE TU D CE C
! TU % C B A B
! TU / C *BB $ B A $ ,
!E TU ( % Q 7% CB
!E TU L%8 B
!/ TU B DB B" C$ D C$

B AC A ]

accessibilityservice content hardware pim speech
accounts database inputmethodservice preference test
annotation ddm net provider text
app debug nfc security util
appwidget emoji os server view
bluetooth gesture service webkit widget

D 4B
': A " %7
6 C
B FBC
8 / C
%C BA A B
6C / CF DBC
'DB C EA C D 4B
D

': A " %7 M D CE
CBD / C !FB ! C !SBEB!B AC A!
B ! : 7D SBEB
! : SBEB
!1 C EB B" C SBEB

<

B ! : 7D SBEB
...
import android.os.OpersysManager;
...
private DownloadManager mDownloadManager = null;
private NfcManager mNfcManager = null;
private OpersysManager mOpersysManager = null;
...
return getDownloadManager();
} else if (NFC_SERVICE.equals(name)) {
return getNfcManager();
} else if (OPERSYS_SERVICE.equals(name)) {
return getOpersysManager();
}
...

>

private OpersysManager getOpersysManager() {
synchronized (mSync) {
if (mOpersysManager == null) {
IBinder b = ServiceManager.getService(OPERSYS_SERVICE);
IOpersysService service = IOpersysService.Stub.asInterface(b);
mOpersysManager = new OpersysManager(service);
}
}
return mOpersysManager;
}

?

! : SBEB
...
/**
* Use with {@link #getSystemService} to retrieve a
* {@link android.nfc.NfcManager} for using NFC.
*
* @see #getSystemService
*/
public static final String NFC_SERVICE = "nfc";

/** The Opersys service **/
public static final String OPERSYS_SERVICE = "opersys";
...

A

!1 C EB B" C SBEB
package android.os;

import android.os.IOpersysService

public class OpersysManager
{
public void setValue(int value)
{
try {
mService.setValue(value);
} catch (RemoteException e) {
}
}

public OpersysManager(IOpersysService service)
{
mService = service;
}

IOpersysService mService;
}

G

6 C
C B :<G DB"
7 B DB" DB"
K A B " B DB" DB"

E C DB" C CDB
K E C C S " C C

E C DB" >?> CDB
K C"F >?> X C CU C >?>

BC DB" B
K B F B B C >?>

;

B FBC
& B
CBD / C !FB ! B B" ! D.7! C ! D!B AC A! D ! B FBC

& C
D CE 7 * ,
) BF /
D CE 7 L F *0_7 18[8 E'`c$ B ,-

<

< 8 / C
& B
C FB B
CBD / C !FB ! C !C !C !:D !B :D
) E B
%(1). [ 1%3[57&' TE A C!B D ! !B :D D! !B :D

) BD
D! !B :D
5 CDB
XB BCC CTc E F . c
D Tc c
D Tc ? c
B Tc /B E C BD Dc
CTc c
CE CTc]c
B / CATc c
C : Tc ? >> ?> > c
C TcG G c
DD Tc !! ? >> A< G<! CE !DD c
!U

<

> %C BA A B
F A! BC" ! C A
%(1). [% 9 C' T ^
F B ^
D B AC A B C EA C^
D B AC A B C E A C :D ^
C ^
C S ^
C B [ [AD CB ^
AB E ED ^
A :A ^

<

? 6C / CF DBC
B B" !B !6C / C!C !EB ! C " :D
XH 6 DBC U
X C " BCCB BD TcF DBC cU
X DUC " X! DU
X DU !!/// " " D!X! DU
X DU3B HX! DU
X DU !!/// B D!X! DU
X DUE 8X! DU
X DU !!/// D D!X! DU
X DUE B X! DU
X DU !!/// D B D!X! DU

<

A 'DB C EA C D 4B
B B" !B !'DB !C !:D ! C E A C :D
XH CDB EBC B U
X C E A C ATc"DB c BF TcCDB c A DB Tc"DB DcU
X D " C Tc DB Z Z !! DB "DB Dc C BD TcK DB c!U
X " " C Tc D Z Z !! D "DB Dc C BD TcK DB c!U
X! C E A CU
X C E A C ATc" " DB c BF TcC " EB c A DB Tc" " DB DcU
X D " C Tc DB Z Z !! DB " " DB Dc C BD TcK DB c!U
X " " C Tc D Z Z !! D " " DB Dc C BD TcK DB c!U
X! C E A CU

XH DD . C EA C U

X C E A C ATcB Dc BF Tc 7Ec A DB TcB D DcU
X D " C Tc DB !! DB B D Dc BF Tc7E %c C BD TcK DB c!U
X " " C Tc D !! D B D D >GAc C BD TcK DB c!U
X! C E A CU
X C E A C ATcB c BF Tc 1&c A DB TcB DcU
X D " C Tc DB !! DB B Dc BF Tc7E %c C BD TcK DB c!U
X " " C Tc D !! D B D >GAc C BD TcK DB c!U
X! C E A CU

<<

G D

CBD / C !FB ! C !C !C !EB ! :D

<>

EA 2AA& F B E 3 ! BE
(B B
)9 " CB
8)9 " CB
C B "B C A E B

<?

(B B
)9
%C E A " C C B BD C : C B A E C
B C D A A! D AC A %7
8)9
BD B )9 CB B
D C A E B
CA
BE A BE " B F BC B C D BC
C F A BCBD C A C B
B ': F BA " F

<A

)9 " CB
6 A " )9
K F A! E
K A "
K DB A

7 %7 D A A$ A F C DB
K DB AB B

& B _B `! ! ! : :G?! A !
. "B D )9
' UB A / U%C C U AC A U2 )9 & B 2
' UB A / Uc AC A )9 B A L) EB B" Cc
Uc7 B A %B B" c Uc. AB c
<G

8)9 " CB
6 A
K A A !F A!
K : C 8)(17)[8)9[(11 T_B `! A
K !DB C B
K !DB C B
7E%1( 8 B (878C HH

C A " CB B 8)9 C B B B" C D CB
C / " B CD : :G?

C '@ ('E'&3 &18C B A DB B 'L'( & =1.( BA B C
DB 7 B A B $ B C BA A !)'L'&1%E'8 @
B C EA C / A B D C B

C C /B A B _ !8`

<;

< C B "B C A E B
AEE AA&. C C
EB BF B
!! D C B" C"! C S ! C
) / BA $ B $F A $ B $
D C 4
E " FB A
C F $" F B A " F
C (E$ 6 B $ E7% $ % / C% $ =$ d
5B C / DB B A
>

E DB C / " BC B A
.F CA C C "
"B/
:
B DB
F
E
F C >A E
. 0 A B " B 2 "

>

) / BA B A : CB Ka%(F(11 b!F A
" C C
$ cd crosstool-ng-1.10.0/
$ ./configure

6 AB A B C "
$ make
$ make install

" C C
$ cd ${PRJROOT}/build-tools
$ ct-ng menuconfig
>

Options:
%B U%C :AC C Ka%('57@b!Ka [ (C' b
BC" UBC C / C
1 U BC" 1 :
FCBC U FCBC " F
FCBC U': CB B" .[51( 753[ 1.( '
) F " B "AF Q CB
6 A B
$ ct-ng build

>

A B B&B 2 E B
AC A D B F %C "CBD
C A AC A B
D B F ) ) D * )), M %
D B F * ,ME B D
'B AC A E C B / )) Q

%BC 1 %
( C D ". 6 E C B B AA E
6B A F.
( EBC B BC"
( )6
%C E A C C F F B B 4 A B A! C FB C "
><

( C
4 B " @E& B A C
WB AC A D
6 A "
K F A! E
K DB

&B "
K A ! ! : :G?!F !
K !
K [ U
K [ U

>?

. "
K [ U B
& B *G B,
" B C
(
LE
% C CDB
C
AC A
FBEB

K ! BC B

>A

C B E C A
" B C
%B CD %7
)B E LE
%B CD )B B E A
%B CD 7
%B CD % CD
%B CD ( C

>G

B

BC D B" D CW C D

>;

/ A" D
D " C B A B C DC " N
AC A 0) E C A 2 B A E C B AC A D
A CF A A C B

?

Embedded Android Workshop ESC India 2012

Empfohlen

Empfohlen

Weitere ähnliche Inhalte

Ähnlich wie Embedded Android Workshop ESC India 2012

Ähnlich wie Embedded Android Workshop ESC India 2012 (7)

Mehr von Opersys inc.

Mehr von Opersys inc. (20)

Kürzlich hochgeladen

Kürzlich hochgeladen (20)

Embedded Android Workshop ESC India 2012