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Friday, July 23, 2010

Using the Android Debug Bridge (adb)

The android debug bridge (adb) has lots of useful features. its documented here:
http://developer.android.com/guide/developing/tools/adb.html


user@dev:~/android-tutorial/android-sdk-linux_86/tools$ ./adb
Android Debug Bridge version 1.0.25


some of the features you may want to immediately mess with are:

listing devices

user@dev:~/android-tutorial/android-sdk-linux_86/tools$ ./adb devices
* daemon not running. starting it now *
* daemon started successfully *
List of devices attached
emulator-5554 device

getting an interactive shell on the emulator

user@dev:~/android-tutorial/android-sdk-linux_86/tools$ ./adb shell
# ls
sqlite_stmt_journals
cache
sdcard
etc
system
sys
sbin
proc
init.rc
init.goldfish.rc
init
default.prop
data
root
dev


cat'ing useful stuff inside that shell

# cat /proc/cpuinfo
Processor : ARM926EJ-S rev 5 (v5l)

BogoMIPS : 233.47

Features : swp half thumb fastmult vfp edsp java

CPU implementer : 0x41

CPU architecture: 5TEJ

CPU variant : 0x0

CPU part : 0x926

CPU revision : 5

Cache type : write-through

Cache clean : not required

Cache lockdown : not supported

Cache format : Harvard

I size : 4096

I assoc : 4

I line length : 32

I sets : 32

D size : 65536

D assoc : 4

D line length : 32

D sets : 512


Hardware : Goldfish
Revision : 0000

Serial : 0000000000000000


and probably pulling things off the file system so you can reverse them.

user@dev:~/android-tutorial/android-sdk-linux_86/tools$ ./adb pull /data/app/com.joelapenna.foursquared.apk com.joelapenna.foursquared.apk
2441 KB/s (625416 bytes in 0.250s)

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