Android Keycode详解
以下是从android源码找出来的，仅作为学习备忘~
KEYCODE_UNKNOWN = 0;
KEYCODE_SOFT_LEFT = 1;
KEYCODE_SOFT_RIGHT = 2;
KEYCODE_HOME = 3;
KEYCODE_BACK = 4;
KEYCODE_CALL = 5;
KEYCODE_ENDCALL = 6;
KEYCODE_0 = 7;
KEYCODE_1 = 8;
KEYCODE_2 = 9;
KEYCODE_3 = 10;
KEYCODE_4 = 11;
KEYCODE_5 = 12;
KEYCODE_6 = 13;
KEYCODE_7 = 14;
KEYCODE_8 = 15;
KEYCODE_9 = 16;
KEYCODE_STAR = 17;
KEYCODE_POUND = 18;
KEYCODE_DPAD_UP = 19;
KEYCODE_DPAD_DOWN = 20;
KEYCODE_DPAD_LEFT = 21;
KEYCODE_DPAD_RIGHT = 22;
KEYCODE_DPAD_CENTER = 23;
KEYCODE_VOLUME_UP = 24;
KEYCODE_VOLUME_DOWN = 25;
KEYCODE_POWER = 26;
KEYCODE_CAMERA = 27;
KEYCODE_CLEAR = 28;
KEYCODE_A = 29;
KEYCODE_B = 30;
KEYCODE_C = 31;
KEYCODE_D = 32;
KEYCODE_E = 33;
KEYCODE_F = 34;
KEYCODE_G = 35;
KEYCODE_H = 36;
KEYCODE_I = 37;
KEYCODE_J = 38;
KEYCODE_K = 39;
KEYCODE_L = 40;
KEYCODE_M = 41;
KEYCODE_N = 42;
KEYCODE_O = 43;
KEYCODE_P = 44;
KEYCODE_Q = 45;
KEYCODE_R = 46;
KEYCODE_S = 47;
KEYCODE_T = 48;
KEYCODE_U = 49;
KEYCODE_V = 50;
KEYCODE_W = 51;
KEYCODE_X = 52;
KEYCODE_Y = 53;
KEYCODE_Z = 54;
KEYCODE_COMMA = 55;
KEYCODE_PERIOD = 56;
KEYCODE_ALT_LEFT = 57;
KEYCODE_ALT_RIGHT = 58;
KEYCODE_SHIFT_LEFT = 59;
KEYCODE_SHIFT_RIGHT = 60;
KEYCODE_TAB = 61;
KEYCODE_SPACE = 62;
KEYCODE_SYM = 63;
KEYCODE_EXPLORER = 64;
KEYCODE_ENVELOPE = 65;
KEYCODE_ENTER = 66;
KEYCODE_DEL = 67;
KEYCODE_GRAVE = 68;
KEYCODE_MINUS = 69;
KEYCODE_EQUALS = 70;
KEYCODE_LEFT_BRACKET = 71;
KEYCODE_RIGHT_BRACKET = 72;
KEYCODE_BACKSLASH = 73;
KEYCODE_SEMICOLON = 74;
KEYCODE_APOSTROPHE = 75;
KEYCODE_SLASH = 76;
KEYCODE_AT = 77;
KEYCODE_NUM = 78;
KEYCODE_HEADSETHOOK = 79;
KEYCODE_FOCUS = 80; // *Camera* focus
KEYCODE_PLUS = 81;
KEYCODE_MENU = 82;
KEYCODE_NOTIFICATION = 83;
KEYCODE_SEARCH = 84;
KEYCODE_MEDIA_PLAY_PAUSE= 85;
KEYCODE_MEDIA_STOP = 86;
KEYCODE_MEDIA_NEXT = 87;
KEYCODE_MEDIA_PREVIOUS = 88;
KEYCODE_MEDIA_REWIND = 89;
KEYCODE_MEDIA_FAST_FORWARD = 90;
KEYCODE_MUTE = 91;
KEYCODE_PAGE_UP = 92;
KEYCODE_PAGE_DOWN = 93;
KEYCODE_PICTSYMBOLS = 94; // switch symbol-sets (Emoji,Kao-moji)
KEYCODE_SWITCH_CHARSET = 95; // switch char-sets (Kanji,Katakana)
KEYCODE_BUTTON_A = 96;
KEYCODE_BUTTON_B = 97;
KEYCODE_BUTTON_C = 98;
KEYCODE_BUTTON_X = 99;
KEYCODE_BUTTON_Y = 100;
KEYCODE_BUTTON_Z = 101;
KEYCODE_BUTTON_L1 = 102;
KEYCODE_BUTTON_R1 = 103;
KEYCODE_BUTTON_L2 = 104;
KEYCODE_BUTTON_R2 = 105;
KEYCODE_BUTTON_THUMBL = 106;
KEYCODE_BUTTON_THUMBR = 107;
KEYCODE_BUTTON_START = 108;
KEYCODE_BUTTON_SELECT = 109;
KEYCODE_BUTTON_MODE = 110;
KEYCODE_ESCAPE = 111;
KEYCODE_FORWARD_DEL = 112;
KEYCODE_CTRL_LEFT = 113;
KEYCODE_CTRL_RIGHT = 114;
KEYCODE_CAPS_LOCK = 115;
KEYCODE_SCROLL_LOCK = 116;
KEYCODE_META_LEFT = 117;
KEYCODE_META_RIGHT = 118;
KEYCODE_FUNCTION = 119;
KEYCODE_SYSRQ = 120;
KEYCODE_BREAK = 121;
KEYCODE_MOVE_HOME = 122;
KEYCODE_MOVE_END = 123;
KEYCODE_INSERT = 124;
KEYCODE_FORWARD = 125;
KEYCODE_MEDIA_PLAY = 126;
KEYCODE_MEDIA_PAUSE = 127;
KEYCODE_MEDIA_CLOSE = 128;
KEYCODE_MEDIA_EJECT = 129;
KEYCODE_MEDIA_RECORD = 130;
KEYCODE_F1 = 131;
KEYCODE_F2 = 132;
KEYCODE_F3 = 133;
KEYCODE_F4 = 134;
KEYCODE_F5 = 135;
KEYCODE_F6 = 136;
KEYCODE_F7 = 137;
KEYCODE_F8 = 138;
KEYCODE_F9 = 139;
KEYCODE_F10 = 140;
KEYCODE_F11 = 141;
KEYCODE_F12 = 142;
KEYCODE_NUM_LOCK = 143;
KEYCODE_NUMPAD_0 = 144;
KEYCODE_NUMPAD_1 = 145;
KEYCODE_NUMPAD_2 = 146;
KEYCODE_NUMPAD_3 = 147;
KEYCODE_NUMPAD_4 = 148;
KEYCODE_NUMPAD_5 = 149;
KEYCODE_NUMPAD_6 = 150;
KEYCODE_NUMPAD_7 = 151;
KEYCODE_NUMPAD_8 = 152;
KEYCODE_NUMPAD_9 = 153;
KEYCODE_NUMPAD_DIVIDE = 154;
KEYCODE_NUMPAD_MULTIPLY = 155;
KEYCODE_NUMPAD_SUBTRACT = 156;
KEYCODE_NUMPAD_ADD = 157;
KEYCODE_NUMPAD_DOT = 158;
KEYCODE_NUMPAD_COMMA = 159;
KEYCODE_NUMPAD_ENTER = 160;
KEYCODE_NUMPAD_EQUALS = 161;
KEYCODE_NUMPAD_LEFT_PAREN = 162;
KEYCODE_NUMPAD_RIGHT_PAREN = 163;
KEYCODE_VOLUME_MUTE = 164;
KEYCODE_INFO = 165;
KEYCODE_CHANNEL_UP = 166;
KEYCODE_CHANNEL_DOWN = 167;
KEYCODE_ZOOM_IN = 168;
KEYCODE_ZOOM_OUT = 169;
KEYCODE_TV = 170;
KEYCODE_WINDOW = 171;
KEYCODE_GUIDE = 172;
KEYCODE_DVR = 173;
KEYCODE_BOOKMARK = 174;
KEYCODE_CAPTIONS = 175;
KEYCODE_SETTINGS = 176;
KEYCODE_TV_POWER = 177;
KEYCODE_TV_INPUT = 178;
KEYCODE_STB_POWER = 179;
KEYCODE_STB_INPUT = 180;
KEYCODE_AVR_POWER = 181;
KEYCODE_AVR_INPUT = 182;
KEYCODE_PROG_RED = 183;
KEYCODE_PROG_GREEN = 184;
KEYCODE_PROG_YELLOW = 185;
KEYCODE_PROG_BLUE = 186;
KEYCODE_APP_SWITCH = 187;
KEYCODE_BUTTON_1 = 188;
KEYCODE_BUTTON_2 = 189;
KEYCODE_BUTTON_3 = 190;
KEYCODE_BUTTON_4 = 191;
KEYCODE_BUTTON_5 = 192;
KEYCODE_BUTTON_6 = 193;
KEYCODE_BUTTON_7 = 194;
KEYCODE_BUTTON_8 = 195;
KEYCODE_BUTTON_9 = 196;
KEYCODE_BUTTON_10 = 197;
KEYCODE_BUTTON_11 = 198;
KEYCODE_BUTTON_12 = 199;
KEYCODE_BUTTON_13 = 200;
KEYCODE_BUTTON_14 = 201;
KEYCODE_BUTTON_15 = 202;
KEYCODE_BUTTON_16 = 203;
KEYCODE_LANGUAGE_SWITCH = 204;
KEYCODE_MANNER_MODE = 205;
KEYCODE_3D_MODE = 206;
KEYCODE_CONTACTS = 207;
KEYCODE_CALENDAR = 208;
KEYCODE_MUSIC = 209;
KEYCODE_CALCULATOR = 210;
KEYCODE_ZENKAKU_HANKAKU = 211;
KEYCODE_EISU = 212;
KEYCODE_MUHENKAN = 213;
KEYCODE_HENKAN = 214;
KEYCODE_KATAKANA_HIRAGANA = 215;
KEYCODE_YEN = 216;
KEYCODE_RO = 217;
KEYCODE_KANA = 218;
KEYCODE_ASSIST = 219;
KEYCODE_BRIGHTNESS_DOWN = 220;
KEYCODE_BRIGHTNESS_UP = 221;
KEYCODE_MEDIA_AUDIO_TRACK = 222;
KEYCODE_SLEEP = 223;
KEYCODE_WAKEUP = 224;
KEYCODE_PAIRING = 225;
KEYCODE_MEDIA_TOP_MENU = 226;
KEYCODE_11 = 227;
KEYCODE_12 = 228;
KEYCODE_LAST_CHANNEL = 229;
KEYCODE_TV_DATA_SERVICE = 230;
KEYCODE_VOICE_ASSIST = 231;
KEYCODE_TV_RADIO_SERVICE = 232;
KEYCODE_TV_TELETEXT = 233;
KEYCODE_TV_NUMBER_ENTRY = 234;
KEYCODE_TV_TERRESTRIAL_ANALOG = 235;
KEYCODE_TV_TERRESTRIAL_DIGITAL = 236;
KEYCODE_TV_SATELLITE = 237;
KEYCODE_TV_SATELLITE_BS = 238;
KEYCODE_TV_SATELLITE_CS = 239;
KEYCODE_TV_SATELLITE_SERVICE = 240;
KEYCODE_TV_NETWORK = 241;
KEYCODE_TV_ANTENNA_CABLE = 242;
KEYCODE_TV_INPUT_HDMI_1 = 243;
KEYCODE_TV_INPUT_HDMI_2 = 244;
KEYCODE_TV_INPUT_HDMI_3 = 245;
KEYCODE_TV_INPUT_HDMI_4 = 246;
KEYCODE_TV_INPUT_COMPOSITE_1 = 247;
KEYCODE_TV_INPUT_COMPOSITE_2 = 248;
KEYCODE_TV_INPUT_COMPONENT_1 = 249;
KEYCODE_TV_INPUT_COMPONENT_2 = 250;
KEYCODE_TV_INPUT_VGA_1 = 251;
KEYCODE_TV_AUDIO_DESCRIPTION = 252;
KEYCODE_TV_AUDIO_DESCRIPTION_MIX_UP = 253;
KEYCODE_TV_AUDIO_DESCRIPTION_MIX_DOWN = 254;
KEYCODE_TV_ZOOM_MODE = 255;
KEYCODE_TV_CONTENTS_MENU = 256;
KEYCODE_TV_MEDIA_CONTEXT_MENU = 257;
KEYCODE_TV_TIMER_PROGRAMMING = 258;
KEYCODE_HELP = 259;
KEYCODE_NAVIGATE_PREVIOUS = 260;
KEYCODE_NAVIGATE_NEXT = 261;
KEYCODE_NAVIGATE_IN = 262;
KEYCODE_NAVIGATE_OUT = 263;
KEYCODE_STEM_PRIMARY = 264;
KEYCODE_STEM_1 = 265;
KEYCODE_STEM_2 = 266;
KEYCODE_STEM_3 = 267;
KEYCODE_DPAD_UP_LEFT = 268;
KEYCODE_DPAD_DOWN_LEFT = 269;
KEYCODE_DPAD_UP_RIGHT = 270;
KEYCODE_DPAD_DOWN_RIGHT = 271;
KEYCODE_MEDIA_SKIP_FORWARD = 272;
KEYCODE_MEDIA_SKIP_BACKWARD = 273;
KEYCODE_MEDIA_STEP_FORWARD = 274;
KEYCODE_MEDIA_STEP_BACKWARD = 275;
KEYCODE_SOFT_SLEEP = 276;
KEYCODE_CUT = 277;
KEYCODE_COPY = 278;
KEYCODE_PASTE = 279;
KEYCODE_SYSTEM_NAVIGATION_UP = 280;
KEYCODE_SYSTEM_NAVIGATION_DOWN = 281;
KEYCODE_SYSTEM_NAVIGATION_LEFT = 282;
KEYCODE_SYSTEM_NAVIGATION_RIGHT = 283;