ADB Shell Input Events

What is the basic difference between adb shell input keyevent and adb shell sendevent? Which one should I use for inputting a character? Are the keycodes the same that we pass to both the commands?


Solution 1:

By adb shell input keyevent, either an event_code or a string will be sent to the device.

usage: input [text|keyevent]
  input text <string>
  input keyevent <event_code>

Some possible values for event_code are:

0 -->  "KEYCODE_UNKNOWN" 
1 -->  "KEYCODE_MENU" 
2 -->  "KEYCODE_SOFT_RIGHT" 
3 -->  "KEYCODE_HOME" 
4 -->  "KEYCODE_BACK" 
5 -->  "KEYCODE_CALL" 
6 -->  "KEYCODE_ENDCALL" 
7 -->  "KEYCODE_0" 
8 -->  "KEYCODE_1" 
9 -->  "KEYCODE_2" 
10 -->  "KEYCODE_3" 
11 -->  "KEYCODE_4" 
12 -->  "KEYCODE_5" 
13 -->  "KEYCODE_6" 
14 -->  "KEYCODE_7" 
15 -->  "KEYCODE_8" 
16 -->  "KEYCODE_9" 
17 -->  "KEYCODE_STAR" 
18 -->  "KEYCODE_POUND" 
19 -->  "KEYCODE_DPAD_UP" 
20 -->  "KEYCODE_DPAD_DOWN" 
21 -->  "KEYCODE_DPAD_LEFT" 
22 -->  "KEYCODE_DPAD_RIGHT" 
23 -->  "KEYCODE_DPAD_CENTER" 
24 -->  "KEYCODE_VOLUME_UP" 
25 -->  "KEYCODE_VOLUME_DOWN" 
26 -->  "KEYCODE_POWER" 
27 -->  "KEYCODE_CAMERA" 
28 -->  "KEYCODE_CLEAR" 
29 -->  "KEYCODE_A" 
30 -->  "KEYCODE_B" 
31 -->  "KEYCODE_C" 
32 -->  "KEYCODE_D" 
33 -->  "KEYCODE_E" 
34 -->  "KEYCODE_F" 
35 -->  "KEYCODE_G" 
36 -->  "KEYCODE_H" 
37 -->  "KEYCODE_I" 
38 -->  "KEYCODE_J" 
39 -->  "KEYCODE_K" 
40 -->  "KEYCODE_L" 
41 -->  "KEYCODE_M" 
42 -->  "KEYCODE_N" 
43 -->  "KEYCODE_O" 
44 -->  "KEYCODE_P" 
45 -->  "KEYCODE_Q" 
46 -->  "KEYCODE_R" 
47 -->  "KEYCODE_S" 
48 -->  "KEYCODE_T" 
49 -->  "KEYCODE_U" 
50 -->  "KEYCODE_V" 
51 -->  "KEYCODE_W" 
52 -->  "KEYCODE_X" 
53 -->  "KEYCODE_Y" 
54 -->  "KEYCODE_Z" 
55 -->  "KEYCODE_COMMA" 
56 -->  "KEYCODE_PERIOD" 
57 -->  "KEYCODE_ALT_LEFT" 
58 -->  "KEYCODE_ALT_RIGHT" 
59 -->  "KEYCODE_SHIFT_LEFT" 
60 -->  "KEYCODE_SHIFT_RIGHT" 
61 -->  "KEYCODE_TAB" 
62 -->  "KEYCODE_SPACE" 
63 -->  "KEYCODE_SYM" 
64 -->  "KEYCODE_EXPLORER" 
65 -->  "KEYCODE_ENVELOPE" 
66 -->  "KEYCODE_ENTER" 
67 -->  "KEYCODE_DEL" 
68 -->  "KEYCODE_GRAVE" 
69 -->  "KEYCODE_MINUS" 
70 -->  "KEYCODE_EQUALS" 
71 -->  "KEYCODE_LEFT_BRACKET" 
72 -->  "KEYCODE_RIGHT_BRACKET" 
73 -->  "KEYCODE_BACKSLASH" 
74 -->  "KEYCODE_SEMICOLON" 
75 -->  "KEYCODE_APOSTROPHE" 
76 -->  "KEYCODE_SLASH" 
77 -->  "KEYCODE_AT" 
78 -->  "KEYCODE_NUM" 
79 -->  "KEYCODE_HEADSETHOOK" 
80 -->  "KEYCODE_FOCUS" 
81 -->  "KEYCODE_PLUS" 
82 -->  "KEYCODE_MENU" 
83 -->  "KEYCODE_NOTIFICATION" 
84 -->  "KEYCODE_SEARCH" 
85 -->  "TAG_LAST_KEYCODE"

The sendevent utility sends touch or keyboard events, as well as other events for simulating the hardware events. Refer to this article for details: Android, low level shell click on screen.

Solution 2:

Updating:

Using adb shell input:

Insert text:

adb shell input text "insert%syour%stext%shere"

(obs: %s means SPACE)

..

Event codes:

adb shell input keyevent 82

(82 ---> MENU_BUTTON)

"For more keyevents codes see list below"

..

Tap X,Y position:

adb shell input tap 500 1450

To find the exact X,Y position you want to Tap go to:

Settings > Developer Options > Check the option POINTER SLOCATION

..

Swipe X1 Y1 X2 Y2 [duration(ms)]:

adb shell input swipe 100 500 100 1450 100

in this example X1=100, Y1=500, X2=100, Y2=1450, Duration = 100ms

..

LongPress X Y:

adb shell input swipe 100 500 100 500 250

we utilise the same command for a swipe to emulate a long press

in this example X=100, Y=500, Duration = 250ms

..

Event Codes Updated List:

0 -->  "KEYCODE_0" 
1 -->  "KEYCODE_SOFT_LEFT" 
2 -->  "KEYCODE_SOFT_RIGHT" 
3 -->  "KEYCODE_HOME" 
4 -->  "KEYCODE_BACK" 
5 -->  "KEYCODE_CALL" 
6 -->  "KEYCODE_ENDCALL" 
7 -->  "KEYCODE_0" 
8 -->  "KEYCODE_1" 
9 -->  "KEYCODE_2" 
10 -->  "KEYCODE_3" 
11 -->  "KEYCODE_4" 
12 -->  "KEYCODE_5" 
13 -->  "KEYCODE_6" 
14 -->  "KEYCODE_7" 
15 -->  "KEYCODE_8" 
16 -->  "KEYCODE_9" 
17 -->  "KEYCODE_STAR" 
18 -->  "KEYCODE_POUND" 
19 -->  "KEYCODE_DPAD_UP" 
20 -->  "KEYCODE_DPAD_DOWN" 
21 -->  "KEYCODE_DPAD_LEFT" 
22 -->  "KEYCODE_DPAD_RIGHT" 
23 -->  "KEYCODE_DPAD_CENTER" 
24 -->  "KEYCODE_VOLUME_UP" 
25 -->  "KEYCODE_VOLUME_DOWN" 
26 -->  "KEYCODE_POWER" 
27 -->  "KEYCODE_CAMERA" 
28 -->  "KEYCODE_CLEAR" 
29 -->  "KEYCODE_A" 
30 -->  "KEYCODE_B" 
31 -->  "KEYCODE_C" 
32 -->  "KEYCODE_D" 
33 -->  "KEYCODE_E" 
34 -->  "KEYCODE_F" 
35 -->  "KEYCODE_G" 
36 -->  "KEYCODE_H" 
37 -->  "KEYCODE_I" 
38 -->  "KEYCODE_J" 
39 -->  "KEYCODE_K" 
40 -->  "KEYCODE_L" 
41 -->  "KEYCODE_M" 
42 -->  "KEYCODE_N" 
43 -->  "KEYCODE_O" 
44 -->  "KEYCODE_P" 
45 -->  "KEYCODE_Q" 
46 -->  "KEYCODE_R" 
47 -->  "KEYCODE_S" 
48 -->  "KEYCODE_T" 
49 -->  "KEYCODE_U" 
50 -->  "KEYCODE_V" 
51 -->  "KEYCODE_W" 
52 -->  "KEYCODE_X" 
53 -->  "KEYCODE_Y" 
54 -->  "KEYCODE_Z" 
55 -->  "KEYCODE_COMMA" 
56 -->  "KEYCODE_PERIOD" 
57 -->  "KEYCODE_ALT_LEFT" 
58 -->  "KEYCODE_ALT_RIGHT" 
59 -->  "KEYCODE_SHIFT_LEFT" 
60 -->  "KEYCODE_SHIFT_RIGHT" 
61 -->  "KEYCODE_TAB" 
62 -->  "KEYCODE_SPACE" 
63 -->  "KEYCODE_SYM" 
64 -->  "KEYCODE_EXPLORER" 
65 -->  "KEYCODE_ENVELOPE" 
66 -->  "KEYCODE_ENTER" 
67 -->  "KEYCODE_DEL" 
68 -->  "KEYCODE_GRAVE" 
69 -->  "KEYCODE_MINUS" 
70 -->  "KEYCODE_EQUALS" 
71 -->  "KEYCODE_LEFT_BRACKET" 
72 -->  "KEYCODE_RIGHT_BRACKET" 
73 -->  "KEYCODE_BACKSLASH" 
74 -->  "KEYCODE_SEMICOLON" 
75 -->  "KEYCODE_APOSTROPHE" 
76 -->  "KEYCODE_SLASH" 
77 -->  "KEYCODE_AT" 
78 -->  "KEYCODE_NUM" 
79 -->  "KEYCODE_HEADSETHOOK" 
80 -->  "KEYCODE_FOCUS" 
81 -->  "KEYCODE_PLUS" 
82 -->  "KEYCODE_MENU" 
83 -->  "KEYCODE_NOTIFICATION" 
84 -->  "KEYCODE_SEARCH" 
85 -->  "KEYCODE_MEDIA_PLAY_PAUSE"
86 -->  "KEYCODE_MEDIA_STOP"
87 -->  "KEYCODE_MEDIA_NEXT"
88 -->  "KEYCODE_MEDIA_PREVIOUS"
89 -->  "KEYCODE_MEDIA_REWIND"
90 -->  "KEYCODE_MEDIA_FAST_FORWARD"
91 -->  "KEYCODE_MUTE"
92 -->  "KEYCODE_PAGE_UP"
93 -->  "KEYCODE_PAGE_DOWN"
94 -->  "KEYCODE_PICTSYMBOLS"
...
122 -->  "KEYCODE_MOVE_HOME"
123 -->  "KEYCODE_MOVE_END"

The complete list of commands can be found on: http://developer.android.com/reference/android/view/KeyEvent.html

Solution 3:

Also, if you want to send embedded spaces with the input command, use %s

adb shell input text 'this%sis%san%sexample'   

will yield

this is an example

being input.

% itself does not need escaping - only the special %s pair is treated specially. This leads of course to the obvious question of how to enter the literal string %s, which you would have to do with two separate commands.