信息来源:http://developer.android.com/reference/android/view/KeyEvent.html

KEYCODE_0      '0' key.   7
KEYCODE_1      '1' key.   8
KEYCODE_2      '2' key.   9
KEYCODE_3      '3' key.   10
KEYCODE_4      '4' key.   11
KEYCODE_5      '5' key.   12
KEYCODE_6      '6' key.   13
KEYCODE_7      '7' key.   14
KEYCODE_8      '8' key.   15
KEYCODE_9      '9' key.   16

KEYCODE_A      'A' key.   29
KEYCODE_B      'B' key.   30
KEYCODE_C      'C' key.   31
KEYCODE_D      'D' key.   32
KEYCODE_E      'E' key.   33
KEYCODE_F      'F' key.   34
KEYCODE_G      'G' key.   35
KEYCODE_H      'H' key.   36
KEYCODE_I      'I' key.   37
KEYCODE_J      'J' key.   38
KEYCODE_K      'K' key.   39
KEYCODE_L      'L' key.   40
KEYCODE_M      'M' key.   41
KEYCODE_N      'N' key.   42
KEYCODE_O      'O' key.   43
KEYCODE_P      'P' key.   44
KEYCODE_Q      'Q' key.   45
KEYCODE_R      'R' key.   46
KEYCODE_S      'S' key.   47
KEYCODE_T      'T' key.   48
KEYCODE_U      'U' key.   49
KEYCODE_V      'V' key.   50
KEYCODE_W      'W' key.   51
KEYCODE_X      'X' key.   52
KEYCODE_Y      'Y' key.   53
KEYCODE_Z      'Z' key.   54

META_ALT_LEFT_ON   This mask is used to check whether the left ALT meta key is pressed.            16
META_ALT_MASK      This mask is a combination of META_ALT_ON, META_ALT_LEFT_ON and META_ALT_RIGHT_ON.      50
META_ALT_ON      This mask is used to check whether one of the ALT meta keys is pressed.            2
META_ALT_RIGHT_ON   This mask is used to check whether the right the ALT meta key is pressed.         32
META_CAPS_LOCK_ON   This mask is used to check whether the CAPS LOCK meta key is on.            1048576
META_CTRL_LEFT_ON   This mask is used to check whether the left CTRL meta key is pressed.            8192
META_CTRL_MASK      This mask is a combination of META_CTRL_ON, META_CTRL_LEFT_ON and META_CTRL_RIGHT_ON.      28672
META_CTRL_ON      This mask is used to check whether one of the CTRL meta keys is pressed.         4096
META_CTRL_RIGHT_ON   This mask is used to check whether the right CTRL meta key is pressed.            16384
META_FUNCTION_ON   This mask is used to check whether the FUNCTION meta key is pressed.            8
META_META_LEFT_ON   This mask is used to check whether the left META meta key is pressed.            131072
META_META_MASK      This mask is a combination of META_META_ON, META_META_LEFT_ON and META_META_RIGHT_ON.      458752
META_META_ON      This mask is used to check whether one of the META meta keys is pressed.         65536
META_META_RIGHT_ON   This mask is used to check whether the right META meta key is pressed.            262144
META_NUM_LOCK_ON   This mask is used to check whether the NUM LOCK meta key is on.               2097152
META_SCROLL_LOCK_ON   This mask is used to check whether the SCROLL LOCK meta key is on.            4194304
META_SHIFT_LEFT_ON   This mask is used to check whether the left SHIFT meta key is pressed.            64
META_SHIFT_MASK      This mask is a combination of META_SHIFT_ON, META_SHIFT_LEFT_ON and META_SHIFT_RIGHT_ON.   193
META_SHIFT_ON      This mask is used to check whether one of the SHIFT meta keys is pressed.         1
META_SHIFT_RIGHT_ON   This mask is used to check whether the right SHIFT meta key is pressed.            128
META_SYM_ON      This mask is used to check whether the SYM meta key is pressed.               4

KEYCODE_APOSTROPHE   ''' key.   75
KEYCODE_AT      '@' key.   77
KEYCODE_BACKSLASH   '\' key.   73
KEYCODE_COMMA      ',' key.   55
KEYCODE_EQUALS      '=' key.   70
KEYCODE_GRAVE      '`' key.   68
KEYCODE_LEFT_BRACKET   '[' key.   71
KEYCODE_MINUS      '-' key.   69
KEYCODE_PERIOD      '.' key.   56
KEYCODE_PLUS      '+' key.   81
KEYCODE_POUND      '#' key.   18
KEYCODE_RIGHT_BRACKET   ']' key.   72
KEYCODE_SEMICOLON   ';' key.   74
KEYCODE_SLASH      '/' key.   76
KEYCODE_STAR      '*' key.   17
KEYCODE_SPACE      Space key.   62
KEYCODE_TAB      Tab key.   61

KEYCODE_ENTER      Enter key.      66
KEYCODE_ESCAPE      Escape key.      111
KEYCODE_CAPS_LOCK   Caps Lock key.      115
KEYCODE_CLEAR      Clear key.      28
KEYCODE_PAGE_DOWN   Page Down key.      93
KEYCODE_PAGE_UP      Page Up key.      92
KEYCODE_SCROLL_LOCK   Scroll Lock key.   116
KEYCODE_MOVE_END   End.         123
KEYCODE_MOVE_HOME   Home.         122
KEYCODE_INSERT      Insert key.      124
KEYCODE_SHIFT_LEFT   Left Shift.      59
KEYCODE_SHIFT_RIGHT   Right Shift.      60

KEYCODE_F1   F1 key.      131
KEYCODE_F2   F2 key.      132
KEYCODE_F3   F3 key.      133
KEYCODE_F4   F4 key.      134
KEYCODE_F5   F5 key.      135
KEYCODE_F6   F6 key.      136
KEYCODE_F7   F7 key.      137
KEYCODE_F8   F8 key.      138
KEYCODE_F9   F9 key.      139
KEYCODE_F10   F10 key.   140
KEYCODE_F11   F11 key.   141
KEYCODE_F12   F12 key.   142

KEYCODE_BACK      Back key.      4
KEYCODE_CALL      Call key.      5
KEYCODE_ENDCALL      End Call key.      6
KEYCODE_CAMERA      Camera key.      27
KEYCODE_FOCUS      Camera Focus key.   80
KEYCODE_VOLUME_UP   Volume Up key.      24
KEYCODE_VOLUME_DOWN   Volume Down key.   25
KEYCODE_VOLUME_MUTE   Volume Mute key.   164
KEYCODE_MENU      Menu key.      82
KEYCODE_HOME      Home key.      3
KEYCODE_POWER      Power key.      26
KEYCODE_SEARCH      Search key.      84
KEYCODE_NOTIFICATION   Notification key.   83
KEYCODE_NUM      Number modifier key.   78
KEYCODE_SYM      Symbol modifier key.   63
KEYCODE_SETTINGS   Settings key.      176

KEYCODE_DEL      Backspace key. Deletes characters before the insertion point, unlike KEYCODE_FORWARD_DEL.   67
KEYCODE_FORWARD_DEL   Forward Delete key. Deletes characters ahead of the insertion point, unlike KEYCODE_DEL.   112

KEYCODE_NUMPAD_0      Numeric keypad '0' key.      144
KEYCODE_NUMPAD_1      Numeric keypad '1' key.      145
KEYCODE_NUMPAD_2      Numeric keypad '2' key.      146
KEYCODE_NUMPAD_3      Numeric keypad '3' key.      147
KEYCODE_NUMPAD_4      Numeric keypad '4' key.      148
KEYCODE_NUMPAD_5      Numeric keypad '5' key.      149
KEYCODE_NUMPAD_6      Numeric keypad '6' key.      150
KEYCODE_NUMPAD_7      Numeric keypad '7' key.      151
KEYCODE_NUMPAD_8      Numeric keypad '8' key.      152
KEYCODE_NUMPAD_9      Numeric keypad '9' key.      153
KEYCODE_NUMPAD_ADD      Numeric keypad '+' key       157
KEYCODE_NUMPAD_COMMA      Numeric keypad ',' key       159
KEYCODE_NUMPAD_DIVIDE      Numeric keypad '/' key       154
KEYCODE_NUMPAD_DOT      Numeric keypad '.' key       158
KEYCODE_NUMPAD_EQUALS      Numeric keypad '=' key.      161
KEYCODE_NUMPAD_LEFT_PAREN   Numeric keypad '(' key.      162
KEYCODE_NUMPAD_MULTIPLY      Numeric keypad '*' key      155
KEYCODE_NUMPAD_RIGHT_PAREN   Numeric keypad ')' key.      163
KEYCODE_NUMPAD_SUBTRACT      Numeric keypad '-' key      156
KEYCODE_NUMPAD_ENTER      Numeric keypad Enter key.   160
KEYCODE_NUM_LOCK      Numeric keypad Num Lock key.   143


KEYCODE_MEDIA_FAST_FORWARD   Fast Forward media key.      90
KEYCODE_MEDIA_NEXT      Play Next media key.      87
KEYCODE_MEDIA_PAUSE      Pause media key.      127
KEYCODE_MEDIA_PLAY      Play media key.         126
KEYCODE_MEDIA_PLAY_PAUSE   Play/Pause media key.      85
KEYCODE_MEDIA_PREVIOUS      Play Previous media key.   88
KEYCODE_MEDIA_RECORD      Record media key.      130
KEYCODE_MEDIA_REWIND      Rewind media key.      89
KEYCODE_MEDIA_STOP      Stop media key.         86


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