Touch Android Without Touching

Jul 4, 201310 likes4,289 views

Describe how Android input system designed. Describe the ways to make input event(such as touch, key press, ...) on Android in programmatic way, not manual way. This can be helpful for some people thinking about Android remote control or test automation.

Touch Android
without Touching
SeongJae Park <sj38.park@gmail.com>

Who Am I
SeongJae Park
sj38.park@gmail.com

Developpeurs Miserables
Tale of A Little Developer

Let's change the world
Write once
I Dreamed A Dream
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So Different From This Hell I'm Living
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Freedom Is Mine
● Freedom:
○ Touch Android without...
○ Touching, Rooting, Network Setting

Android Input System
Human
Device
Firmware
Electrical signal

Android Input System
Human
Device
Firmware
Device Driver
Electrical signal
HID or interrupt or ...

Android Input System
Human
Device
Firmware
Device Driver
File System
Electrical signal
HID or interrupt or ...
linux input event
(linux/input.h defined)

Android Input System
Human
Device
Firmware
Device Driver
File System
Input Manager
Service
Input Reader
Electrical signal
HID or interrupt or ...
linux input event
(linux/input.h defined)

Android Input System
Human
Device
Firmware
Device Driver
File System
Input Manager
Service
EventHub Input Reader
Electrical signal
HID or interrupt or ...
linux input event
(linux/input.h defined)
/dev/input/

Android Input System
Human
Device
Firmware
Device Driver
File System
Input Manager
Service
EventHub Input Reader
Input Dispatcher
Electrical signal
HID or interrupt or ...
linux input event
(linux/input.h defined)
/dev/input/

Android Input System
Human
Device
Firmware
Device Driver
File System
Input Manager
Service
EventHub Input Reader
Input Dispatcher
Window
Electrical signal
HID or interrupt or ...
linux input event
(linux/input.h defined)
/dev/input/

/dev/input - getevent
● See input device[s] information
$ adb shell getevent -[l]p [input
device file path]

/dev/input - getevent
● See input device[s] information
$ adb shell getevent -[l]p [input
device file path]
● See live events
$ adb shell getevent -[l]t [input
device file path]

/dev/input - sendevent
$ adb shell sendevent <device> <type>
<code> <value>

/dev/input - sendevent
$ adb shell sendevent <device> <type>
<code> <value>
Powerful, But Too Slow...

Input Method
Application
View
InputMethodManagerS
ervice
InputMethodService
InputMethodManager
InputConnection

Input Method
InputConnection.sendKeyEvent()
Application
View
InputMethodManagerS
ervice
InputMethodService
InputMethodManager
InputConnection

Input Method
InputConnection.sendKeyEvent()
Only key event & text
Application
View
InputMethodManagerS
ervice
InputMethodService
InputMethodManager
InputConnection

There is a monkey in the Android
$ adb shell monkey -v 5000
a.k.a Stress Test
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There is a monkey in the Android
$ adb shell monkey -v 5000
a.k.a Stress Test
If We Can Tame Him...
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monkeyrunner
monkey Tamer
image source: Link

monkeyrunner
monkey Tamer
Provide Android test API
image source: Link

monkeyrunner
monkey Tamer
Provide Android test API
Uses Jython
image source: Link

monkey & monkeyrunner
monkey
InputManager
device

monkey & monkeyrunner
monkey
InputManager
adb adbd
device

monkey & monkeyrunner
monkey
InputManager
ChimpChat
adb
port-forwarding
adbd
device

monkey & monkeyrunner
monkey
InputManager
monkeyrunner
ChimpChat
adb
port-forwarding
python program
adbd
device

monkeyrunner
$ monkeyrunner
>>> from com.android.monkeyrunner import MonkeyRunner, MonkeyDevice
>>> device = MonkeyRunner.waitForConnection()
>>> device.touch(100, 200, MonkeyDevice.DOWN_AND_UP)
>>> device.press('KEYCODE_MENU', MonkeyDevice.DOWN_AND_UP)
>>> result = device.takeSnapshot()
>>> result.writeToFile('results/1.png', 'png')

monkeyrunner
One weak point: drag
void drag ( tuple start, tuple end, float duration, integer steps)
Simulates a drag gesture (touch, hold, and move) on this device's screen.
Arguments
start The starting point of the drag gesture, in the form of a tuple (x,y) where x and y are integers.
end The end point of the drag gesture, in the form of a tuple (x,y) where x and y are integers.
duration The duration of the drag gesture in seconds. The default is 1.0 seconds.
steps The number of steps to take when interpolating points. The default is 10.

ash: ash is a shell
Devices Control Program Like a shell

ash: ash is a shell
Devices Control Program Like a shell
Use monkeyrunner for Android control

ash: ash is a shell
Devices Control Program Like a shell
Use monkeyrunner for Android control
Provide real-time function test recording feature

Do You Hear The People Sing
People Who will not be machines again
Image Source: Link

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Touch Android Without Touching

1. Touch Android without Touching SeongJae Park <[email protected]>

2. Who Am I SeongJae Park [email protected]

3. Developpeurs Miserables Tale of A Little Developer

4. Let's change the world Write once I Dreamed A Dream Image source: Link

5. So Different From This Hell I'm Living Image source: Link

6. Freedom Is Mine ● Freedom: ○ Touch Android without... ○ Touching, Rooting, Network Setting

7. Android Input System Human Device

8. Android Input System Human Device Firmware Electrical signal

9. Android Input System Human Device Firmware Device Driver Electrical signal HID or interrupt or ...

10. Android Input System Human Device Firmware Device Driver File System Electrical signal HID or interrupt or ... linux input event (linux/input.h defined)

11. Android Input System Human Device Firmware Device Driver File System Input Manager Service Input Reader Electrical signal HID or interrupt or ... linux input event (linux/input.h defined)

12. Android Input System Human Device Firmware Device Driver File System Input Manager Service EventHub Input Reader Electrical signal HID or interrupt or ... linux input event (linux/input.h defined) /dev/input/

13. Android Input System Human Device Firmware Device Driver File System Input Manager Service EventHub Input Reader Input Dispatcher Electrical signal HID or interrupt or ... linux input event (linux/input.h defined) /dev/input/

14. Android Input System Human Device Firmware Device Driver File System Input Manager Service EventHub Input Reader Input Dispatcher Window Electrical signal HID or interrupt or ... linux input event (linux/input.h defined) /dev/input/

15. /dev/input - getevent ● See input device[s] information $ adb shell getevent -[l]p [input device file path]

16. /dev/input - getevent ● See input device[s] information $ adb shell getevent -[l]p [input device file path] ● See live events $ adb shell getevent -[l]t [input device file path]

17. /dev/input - sendevent $ adb shell sendevent <device> <type> <code> <value>

18. /dev/input - sendevent $ adb shell sendevent <device> <type> <code> <value> Powerful, But Too Slow...

19. Input Method Application View InputMethodManagerS ervice InputMethodService InputMethodManager InputConnection

20. Input Method InputConnection.sendKeyEvent() Application View InputMethodManagerS ervice InputMethodService InputMethodManager InputConnection

21. Input Method InputConnection.sendKeyEvent() Only key event & text Application View InputMethodManagerS ervice InputMethodService InputMethodManager InputConnection

22. There is a monkey in the Android $ adb shell monkey -v 5000 a.k.a Stress Test image source: Link

23. There is a monkey in the Android $ adb shell monkey -v 5000 a.k.a Stress Test If We Can Tame Him... image source: Link

24. monkeyrunner monkey Tamer image source: Link

25. monkeyrunner monkey Tamer Provide Android test API image source: Link

26. monkeyrunner monkey Tamer Provide Android test API Uses Jython image source: Link

27. monkey & monkeyrunner monkey InputManager device

28. monkey & monkeyrunner monkey InputManager device

29. monkey & monkeyrunner monkey InputManager adb adbd device

30. monkey & monkeyrunner monkey InputManager ChimpChat adb port-forwarding adbd device

31. monkey & monkeyrunner monkey InputManager monkeyrunner ChimpChat adb port-forwarding python program adbd device

32. monkeyrunner $ monkeyrunner >>> from com.android.monkeyrunner import MonkeyRunner, MonkeyDevice >>> device = MonkeyRunner.waitForConnection() >>> device.touch(100, 200, MonkeyDevice.DOWN_AND_UP) >>> device.press('KEYCODE_MENU', MonkeyDevice.DOWN_AND_UP) >>> result = device.takeSnapshot() >>> result.writeToFile('results/1.png', 'png')

33. monkeyrunner One weak point: drag void drag ( tuple start, tuple end, float duration, integer steps) Simulates a drag gesture (touch, hold, and move) on this device's screen. Arguments start The starting point of the drag gesture, in the form of a tuple (x,y) where x and y are integers. end The end point of the drag gesture, in the form of a tuple (x,y) where x and y are integers. duration The duration of the drag gesture in seconds. The default is 1.0 seconds. steps The number of steps to take when interpolating points. The default is 10.

34. ash: ash is a shell Devices Control Program Like a shell

35. ash: ash is a shell Devices Control Program Like a shell Use monkeyrunner for Android control

36. ash: ash is a shell Devices Control Program Like a shell Use monkeyrunner for Android control Provide real-time function test recording feature

37. ash: ash is a shell Devices Control Program Like a shell Use monkeyrunner for Android control Provide real-time function test recording feature Google HackFair 2012

38. ash: ash is a shell

39. Do You Hear The People Sing People Who will not be machines again Image Source: Link

Touch Android Without Touching

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