由於客戶的需求隱藏了Android的三個很重要的虛擬鍵，為了Debug方便，只好用指令的方式來操作

ex.

adb shell input keyevent 4 

4 -> "KEYCODE_BACK"，代表執行back鍵

Keycode 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"