通过adb操作手机UI并不常用，但在有的场景下会非常有用，比如测试自动化，访问在远端服务器上的手机等。

发送keyevent和文本

命令行

adb shell input keyevent {key_code}
adb shell input text {text}

keyevent列表

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”

比如：按Home键：adb shell input keyevent KEYCODE_HOME

滑动屏幕

命令行

# 从(x1, y1)滑动到(x2, y2)
adb shell input touchscreen swipe {x1} {y1} {x2} {y2}

点击屏幕

命令行

# 点击屏幕坐标(x, y)
adb shell input touchscreen tap {x} {y}

参考
Sending Keyboard input via ADB to your Android device