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Android 系统按键常量对应表

数据来源:
https://cs.android.com/android/platform/superproject/+/android-cts-13.0_r3:frameworks/base/core/java/android/view/KeyEvent.java

常量 描述
KEYCODE_UNKNOWN 0 Unknown key code.
KEYCODE_SOFT_LEFT 1 Soft Left key. Usually situated below the display on phones and used as a multi-function feature key for selecting a software defined function shown on the bottom left of the display.
KEYCODE_SOFT_RIGHT 2 Soft Right key. Usually situated below the display on phones and used as a multi-function feature key for selecting a software defined function shown on the bottom right of the display.
KEYCODE_HOME 3 Home key. This key is handled by the framework and is never delivered to applications.
KEYCODE_BACK 4 Back key.
KEYCODE_CALL 5 Call key.
KEYCODE_ENDCALL 6 End Call key.
KEYCODE_0 7 '0' key.
KEYCODE_1 8 '1' key.
KEYCODE_2 9 '2' key.
KEYCODE_3 10 '3' key.
KEYCODE_4 11 '4' key.
KEYCODE_5 12 '5' key.
KEYCODE_6 13 '6' key.
KEYCODE_7 14 '7' key.
KEYCODE_8 15 '8' key.
KEYCODE_9 16 '9' key.
KEYCODE_STAR 17 '*' key.
KEYCODE_POUND 18 '#' key.
KEYCODE_DPAD_UP 19 Directional Pad Up key. May also be synthesized from trackball motions.
KEYCODE_DPAD_DOWN 20 Directional Pad Down key. May also be synthesized from trackball motions.
KEYCODE_DPAD_LEFT 21 Directional Pad Left key. May also be synthesized from trackball motions.
KEYCODE_DPAD_RIGHT 22 Directional Pad Right key. May also be synthesized from trackball motions.
KEYCODE_DPAD_CENTER 23 Directional Pad Center key. May also be synthesized from trackball motions.
KEYCODE_VOLUME_UP 24 Volume Up key. Adjusts the speaker volume up.
KEYCODE_VOLUME_DOWN 25 Volume Down key. Adjusts the speaker volume down.
KEYCODE_POWER 26 Power key.
KEYCODE_CAMERA 27 Camera key. Used to launch a camera application or take pictures.
KEYCODE_CLEAR 28 Clear key.
KEYCODE_A 29 'A' key.
KEYCODE_B 30 'B' key.
KEYCODE_C 31 'C' key.
KEYCODE_D 32 'D' key.
KEYCODE_E 33 'E' key.
KEYCODE_F 34 'F' key.
KEYCODE_G 35 'G' key.
KEYCODE_H 36 'H' key.
KEYCODE_I 37 'I' key.
KEYCODE_J 38 'J' key.
KEYCODE_K 39 'K' key.
KEYCODE_L 40 'L' key.
KEYCODE_M 41 'M' key.
KEYCODE_N 42 'N' key.
KEYCODE_O 43 'O' key.
KEYCODE_P 44 'P' key.
KEYCODE_Q 45 'Q' key.
KEYCODE_R 46 'R' key.
KEYCODE_S 47 'S' key.
KEYCODE_T 48 'T' key.
KEYCODE_U 49 'U' key.
KEYCODE_V 50 'V' key.
KEYCODE_W 51 'W' key.
KEYCODE_X 52 'X' key.
KEYCODE_Y 53 'Y' key.
KEYCODE_Z 54 'Z' key.
KEYCODE_COMMA 55 ',' key.
KEYCODE_PERIOD 56 '.' key.
KEYCODE_ALT_LEFT 57 Left Alt modifier key.
KEYCODE_ALT_RIGHT 58 Right Alt modifier key.
KEYCODE_SHIFT_LEFT 59 Left Shift modifier key.
KEYCODE_SHIFT_RIGHT 60 Right Shift modifier key.
KEYCODE_TAB 61 Tab key.
KEYCODE_SPACE 62 Space key.
KEYCODE_SYM 63 Symbol modifier key. Used to enter alternate symbols.
KEYCODE_EXPLORER 64 Explorer special function key. Used to launch a browser application.
KEYCODE_ENVELOPE 65 Envelope special function key. Used to launch a mail application.
KEYCODE_ENTER 66 Enter key.
KEYCODE_DEL 67 Backspace key. Deletes characters before the insertion point, unlike {@link #KEYCODE_FORWARD_DEL}.
KEYCODE_GRAVE 68 '`' (backtick) key.
KEYCODE_MINUS 69 '-'.
KEYCODE_EQUALS 70 '=' key.
KEYCODE_LEFT_BRACKET 71 '[' key.
KEYCODE_RIGHT_BRACKET 72 ']' key.
KEYCODE_BACKSLASH 73 '' key.
KEYCODE_SEMICOLON 74 ';' key.
KEYCODE_APOSTROPHE 75 ''' (apostrophe) key.
KEYCODE_SLASH 76 '/' key.
KEYCODE_AT 77 '@' key.
KEYCODE_NUM 78 Number modifier key. Used to enter numeric symbols. This key is not Num Lock; it is more like {@link #KEYCODE_ALT_LEFT} and is interpreted as an ALT key by {@link android.text.method.MetaKeyKeyListener}.
KEYCODE_HEADSETHOOK 79 Headset Hook key. Used to hang up calls and stop media.
KEYCODE_FOCUS 80 Camera Focus key. Used to focus the camera.
KEYCODE_PLUS 81 '+' key.
KEYCODE_MENU 82 Menu key.
KEYCODE_NOTIFICATION 83 Notification key.
KEYCODE_SEARCH 84 Search key.
KEYCODE_MEDIA_PLAY_PAUSE 85 Play/Pause media key.
KEYCODE_MEDIA_STOP 86 Stop media key.
KEYCODE_MEDIA_NEXT 87 Play Next media key.
KEYCODE_MEDIA_PREVIOUS 88 Play Previous media key.
KEYCODE_MEDIA_REWIND 89 Rewind media key.
KEYCODE_MEDIA_FAST_FORWARD 90 Fast Forward media key.
KEYCODE_MUTE 91 Mute key. Mutes the microphone, unlike {@link #KEYCODE_VOLUME_MUTE}.
KEYCODE_PAGE_UP 92 Page Up key.
KEYCODE_PAGE_DOWN 93 Page Down key.
KEYCODE_PICTSYMBOLS 94 Picture Symbols modifier key. Used to switch symbol sets (Emoji, Kao-moji).
KEYCODE_SWITCH_CHARSET 95 Switch Charset modifier key. Used to switch character sets (Kanji, Katakana).
KEYCODE_BUTTON_A 96 A Button key. On a game controller, the A button should be either the button labeled A or the first button on the bottom row of controller buttons.
KEYCODE_BUTTON_B 97 B Button key. On a game controller, the B button should be either the button labeled B or the second button on the bottom row of controller buttons.
KEYCODE_BUTTON_C 98 C Button key. On a game controller, the C button should be either the button labeled C or the third button on the bottom row of controller buttons.
KEYCODE_BUTTON_X 99 X Button key. On a game controller, the X button should be either the button labeled X or the first button on the upper row of controller buttons.
KEYCODE_BUTTON_Y 100 Y Button key. On a game controller, the Y button should be either the button labeled Y or the second button on the upper row of controller buttons.
KEYCODE_BUTTON_Z 101 Z Button key. On a game controller, the Z button should be either the button labeled Z or the third button on the upper row of controller buttons.
KEYCODE_BUTTON_L1 102 L1 Button key. On a game controller, the L1 button should be either the button labeled L1 (or L) or the top left trigger button.
KEYCODE_BUTTON_R1 103 R1 Button key. On a game controller, the R1 button should be either the button labeled R1 (or R) or the top right trigger button.
KEYCODE_BUTTON_L2 104 L2 Button key. On a game controller, the L2 button should be either the button labeled L2 or the bottom left trigger button.
KEYCODE_BUTTON_R2 105 R2 Button key. On a game controller, the R2 button should be either the button labeled R2 or the bottom right trigger button.
KEYCODE_BUTTON_THUMBL 106 Left Thumb Button key. On a game controller, the left thumb button indicates that the left (or only) joystick is pressed.
KEYCODE_BUTTON_THUMBR 107 Right Thumb Button key. On a game controller, the right thumb button indicates that the right joystick is pressed.
KEYCODE_BUTTON_START 108 Start Button key. On a game controller, the button labeled Start.
KEYCODE_BUTTON_SELECT 109 Select Button key. On a game controller, the button labeled Select.
KEYCODE_BUTTON_MODE 110 Mode Button key. On a game controller, the button labeled Mode.
KEYCODE_ESCAPE 111 Escape key.
KEYCODE_FORWARD_DEL 112 Forward Delete key. Deletes characters ahead of the insertion point, unlike {@link #KEYCODE_DEL}.
KEYCODE_CTRL_LEFT 113 Left Control modifier key.
KEYCODE_CTRL_RIGHT 114 Right Control modifier key.
KEYCODE_CAPS_LOCK 115 Caps Lock key.
KEYCODE_SCROLL_LOCK 116 Scroll Lock key.
KEYCODE_META_LEFT 117 Left Meta modifier key.
KEYCODE_META_RIGHT 118 Right Meta modifier key.
KEYCODE_FUNCTION 119 Function modifier key.
KEYCODE_SYSRQ 120 System Request / Print Screen key.
KEYCODE_BREAK 121 Break / Pause key.
KEYCODE_MOVE_HOME 122 Home Movement key. Used for scrolling or moving the cursor around to the start of a line or to the top of a list.
KEYCODE_MOVE_END 123 End Movement key. Used for scrolling or moving the cursor around to the end of a line or to the bottom of a list.
KEYCODE_INSERT 124 Insert key. Toggles insert / overwrite edit mode.
KEYCODE_FORWARD 125 Forward key. Navigates forward in the history stack. Complement of {@link #KEYCODE_BACK}.
KEYCODE_MEDIA_PLAY 126 Play media key.
KEYCODE_MEDIA_PAUSE 127 Pause media key.
KEYCODE_MEDIA_CLOSE 128 Close media key. May be used to close a CD tray, for example.
KEYCODE_MEDIA_EJECT 129 Eject media key. May be used to eject a CD tray, for example.
KEYCODE_MEDIA_RECORD 130 Record media key.
KEYCODE_F1 131 F1 key.
KEYCODE_F2 132 F2 key.
KEYCODE_F3 133 F3 key.
KEYCODE_F4 134 F4 key.
KEYCODE_F5 135 F5 key.
KEYCODE_F6 136 F6 key.
KEYCODE_F7 137 F7 key.
KEYCODE_F8 138 F8 key.
KEYCODE_F9 139 F9 key.
KEYCODE_F10 140 F10 key.
KEYCODE_F11 141 F11 key.
KEYCODE_F12 142 F12 key.
KEYCODE_NUM_LOCK 143 Num Lock key. This is the Num Lock key; it is different from {@link #KEYCODE_NUM}. This key alters the behavior of other keys on the numeric keypad.
KEYCODE_NUMPAD_0 144 Numeric keypad '0' key.
KEYCODE_NUMPAD_1 145 Numeric keypad '1' key.
KEYCODE_NUMPAD_2 146 Numeric keypad '2' key.
KEYCODE_NUMPAD_3 147 Numeric keypad '3' key.
KEYCODE_NUMPAD_4 148 Numeric keypad '4' key.
KEYCODE_NUMPAD_5 149 Numeric keypad '5' key.
KEYCODE_NUMPAD_6 150 Numeric keypad '6' key.
KEYCODE_NUMPAD_7 151 Numeric keypad '7' key.
KEYCODE_NUMPAD_8 152 Numeric keypad '8' key.
KEYCODE_NUMPAD_9 153 Numeric keypad '9' key.
KEYCODE_NUMPAD_DIVIDE 154 Numeric keypad '/' key (for division).
KEYCODE_NUMPAD_MULTIPLY 155 Numeric keypad '*' key (for multiplication).
KEYCODE_NUMPAD_SUBTRACT 156 Numeric keypad '-' key (for subtraction).
KEYCODE_NUMPAD_ADD 157 Numeric keypad '+' key (for addition).
KEYCODE_NUMPAD_DOT 158 Numeric keypad '.' key (for decimals or digit grouping).
KEYCODE_NUMPAD_COMMA 159 Numeric keypad ',' key (for decimals or digit grouping).
KEYCODE_NUMPAD_ENTER 160 Numeric keypad Enter key.
KEYCODE_NUMPAD_EQUALS 161 Numeric keypad '=' key.
KEYCODE_NUMPAD_LEFT_PAREN 162 Numeric keypad '(' key.
KEYCODE_NUMPAD_RIGHT_PAREN 163 Numeric keypad ')' key.
KEYCODE_VOLUME_MUTE 164 Volume Mute key. Mutes the speaker, unlike {@link #KEYCODE_MUTE}. This key should normally be implemented as a toggle such that the first press mutes the speaker and the second press restores the original volume.
KEYCODE_INFO 165 Info key. Common on TV remotes to show additional information related to what is currently being viewed.
KEYCODE_CHANNEL_UP 166 Channel up key. On TV remotes, increments the television channel.
KEYCODE_CHANNEL_DOWN 167 Channel down key. On TV remotes, decrements the television channel.
KEYCODE_ZOOM_IN 168 Zoom in key.
KEYCODE_ZOOM_OUT 169 Zoom out key.
KEYCODE_TV 170 TV key. On TV remotes, switches to viewing live TV.
KEYCODE_WINDOW 171 Window key. On TV remotes, toggles picture-in-picture mode or other windowing functions. On Android Wear devices, triggers a display offset.
KEYCODE_GUIDE 172 Guide key. On TV remotes, shows a programming guide.
KEYCODE_DVR 173 DVR key. On some TV remotes, switches to a DVR mode for recorded shows.
KEYCODE_BOOKMARK 174 Bookmark key. On some TV remotes, bookmarks content or web pages.
KEYCODE_CAPTIONS 175 Toggle captions key. Switches the mode for closed-captioning text, for example during television shows.
KEYCODE_SETTINGS 176 Settings key. Starts the system settings activity.
KEYCODE_TV_POWER 177 TV power key. On TV remotes, toggles the power on a television screen.
KEYCODE_TV_INPUT 178 TV input key. On TV remotes, switches the input on a television screen.
KEYCODE_STB_POWER 179 Set-top-box power key. On TV remotes, toggles the power on an external Set-top-box.
KEYCODE_STB_INPUT 180 Set-top-box input key. On TV remotes, switches the input mode on an external Set-top-box.
KEYCODE_AVR_POWER 181 A/V Receiver power key. On TV remotes, toggles the power on an external A/V Receiver.
KEYCODE_AVR_INPUT 182 A/V Receiver input key. On TV remotes, switches the input mode on an external A/V Receiver.
KEYCODE_PROG_RED 183 Red "programmable" key. On TV remotes, acts as a contextual/programmable key.
KEYCODE_PROG_GREEN 184 Green "programmable" key. On TV remotes, actsas a contextual/programmable key.
KEYCODE_PROG_YELLOW 185 Yellow "programmable" key. On TV remotes, acts as a contextual/programmable key.
KEYCODE_PROG_BLUE 186 Blue "programmable" key. On TV remotes, acts as a contextual/programmable key.
KEYCODE_APP_SWITCH 187 App switch key. Should bring up the application switcher dialog.
KEYCODE_BUTTON_1 188 Generic Game Pad Button #1.
KEYCODE_BUTTON_2 189 Generic Game Pad Button #2.
KEYCODE_BUTTON_3 190 Generic Game Pad Button #3.
KEYCODE_BUTTON_4 191 Generic Game Pad Button #4.
KEYCODE_BUTTON_5 192 Generic Game Pad Button #5.
KEYCODE_BUTTON_6 193 Generic Game Pad Button #6.
KEYCODE_BUTTON_7 194 Generic Game Pad Button #7.
KEYCODE_BUTTON_8 195 Generic Game Pad Button #8.
KEYCODE_BUTTON_9 196 Generic Game Pad Button #9.
KEYCODE_BUTTON_10 197 Generic Game Pad Button #10.
KEYCODE_BUTTON_11 198 Generic Game Pad Button #11.
KEYCODE_BUTTON_12 199 Generic Game Pad Button #12.
KEYCODE_BUTTON_13 200 Generic Game Pad Button #13.
KEYCODE_BUTTON_14 201 Generic Game Pad Button #14.
KEYCODE_BUTTON_15 202 Generic Game Pad Button #15.
KEYCODE_BUTTON_16 203 Generic Game Pad Button #16.
KEYCODE_LANGUAGE_SWITCH 204 Language Switch key. Toggles the current input language such as switching between English and Japanese on a QWERTY keyboard. On some devices, the same function may be performed by pressing Shift+Spacebar.
KEYCODE_MANNER_MODE 205 Manner Mode key. Toggles silent or vibrate mode on and off to make the device behave more politely in certain settings such as on a crowded train. On some devices, the key may only operate when long-pressed.
KEYCODE_3D_MODE 206 3D Mode key. Toggles the display between 2D and 3D mode.
KEYCODE_CONTACTS 207 Contacts special function key. Used to launch an address book application.
KEYCODE_CALENDAR 208 Calendar special function key. Used to launch a calendar application.
KEYCODE_MUSIC 209 Music special function key. Used to launch a music player application.
KEYCODE_CALCULATOR 210 Calculator special function key. Used to launch a calculator application.
KEYCODE_ZENKAKU_HANKAKU 211 Japanese full-width / half-width key.
KEYCODE_EISU 212 Japanese alphanumeric key.
KEYCODE_MUHENKAN 213 Japanese non-conversion key.
KEYCODE_HENKAN 214 Japanese conversion key.
KEYCODE_KATAKANA_HIRAGANA 215 Japanese katakana / hiragana key.
KEYCODE_YEN 216 Japanese Yen key.
KEYCODE_RO 217 Japanese Ro key.
KEYCODE_KANA 218 Japanese kana key.
KEYCODE_ASSIST 219 Assist key. Launches the global assist activity. Not delivered to applications.
KEYCODE_BRIGHTNESS_DOWN 220 Brightness Down key. Adjusts the screen brightness down.
KEYCODE_BRIGHTNESS_UP 221 Brightness Up key. Adjusts the screen brightness up.
KEYCODE_MEDIA_AUDIO_TRACK 222 Audio Track key. Switches the audio tracks.
KEYCODE_SLEEP 223 Sleep key. Puts the device to sleep. Behaves somewhat like {@link #KEYCODE_POWER} but it has no effect if the device is already asleep.
KEYCODE_WAKEUP 224 Wakeup key. Wakes up the device. Behaves somewhat like {@link #KEYCODE_POWER} but it has no effect if the device is already awake.
KEYCODE_PAIRING 225 Pairing key. Initiates peripheral pairing mode. Useful for pairing remote control devices or game controllers, especially if no other input mode is available.
KEYCODE_MEDIA_TOP_MENU 226 Media Top Menu key. Goes to the top of media menu.
KEYCODE_11 227 '11' key.
KEYCODE_12 228 '12' key.
KEYCODE_LAST_CHANNEL 229 Last Channel key. Goes to the last viewed channel.
KEYCODE_TV_DATA_SERVICE 230 TV data service key. Displays data services like weather, sports.
KEYCODE_VOICE_ASSIST 231 Voice Assist key. Launches the global voice assist activity. Not delivered to applications.
KEYCODE_TV_RADIO_SERVICE 232 Radio key. Toggles TV service / Radio service.
KEYCODE_TV_TELETEXT 233 Teletext key. Displays Teletext service.
KEYCODE_TV_NUMBER_ENTRY 234 Number entry key. Initiates to enter multi-digit channel nubmber when each digit key is assigned for selecting separate channel. Corresponds to Number Entry Mode (0x1D) of CEC User Control Code.
KEYCODE_TV_TERRESTRIAL_ANALOG 235 Analog Terrestrial key. Switches to analog terrestrial broadcast service.
KEYCODE_TV_TERRESTRIAL_DIGITAL 236 Digital Terrestrial key. Switches to digital terrestrial broadcast service.
KEYCODE_TV_SATELLITE 237 Satellite key. Switches to digital satellite broadcast service.
KEYCODE_TV_SATELLITE_BS 238 BS key. Switches to BS digital satellite broadcasting service available in Japan.
KEYCODE_TV_SATELLITE_CS 239 CS key. Switches to CS digital satellite broadcasting service available in Japan.
KEYCODE_TV_SATELLITE_SERVICE 240 BS/CS key. Toggles between BS and CS digital satellite services.
KEYCODE_TV_NETWORK 241 Toggle Network key. Toggles selecting broacast services.
KEYCODE_TV_ANTENNA_CABLE 242 Antenna/Cable key. Toggles broadcast input source between antenna and cable.
KEYCODE_TV_INPUT_HDMI_1 243 HDMI #1 key. Switches to HDMI input #1.
KEYCODE_TV_INPUT_HDMI_2 244 HDMI #2 key. Switches to HDMI input #2.
KEYCODE_TV_INPUT_HDMI_3 245 HDMI #3 key. Switches to HDMI input #3.
KEYCODE_TV_INPUT_HDMI_4 246 HDMI #4 key. Switches to HDMI input #4.
KEYCODE_TV_INPUT_COMPOSITE_1 247 Composite #1 key. Switches to composite video input #1.
KEYCODE_TV_INPUT_COMPOSITE_2 248 Composite #2 key. Switches to composite video input #2.
KEYCODE_TV_INPUT_COMPONENT_1 249 Component #1 key. Switches to component video input #1.
KEYCODE_TV_INPUT_COMPONENT_2 250 Component #2 key. Switches to component video input #2.
KEYCODE_TV_INPUT_VGA_1 251 VGA #1 key. Switches to VGA (analog RGB) input #1.
KEYCODE_TV_AUDIO_DESCRIPTION 252 Audio description key. Toggles audio description off / on.
KEYCODE_TV_AUDIO_DESCRIPTION_MIX_UP 253 Audio description mixing volume up key. Louden audio description volume as compared with normal audio volume.
KEYCODE_TV_AUDIO_DESCRIPTION_MIX_DOWN 254 Audio description mixing volume down key. Lessen audio description volume as compared with normal audio volume.
KEYCODE_TV_ZOOM_MODE 255 Zoom mode key. Changes Zoom mode (Normal, Full, Zoom, Wide-zoom, etc.)
KEYCODE_TV_CONTENTS_MENU 256 Contents menu key. Goes to the title list. Corresponds to Contents Menu (0x0B) of CEC User Control Code
KEYCODE_TV_MEDIA_CONTEXT_MENU 257 Media context menu key. Goes to the context menu of media contents. Corresponds to Media Context-sensitive Menu (0x11) of CEC User Control Code.
KEYCODE_TV_TIMER_PROGRAMMING 258 Timer programming key. Goes to the timer recording menu. Corresponds to Timer Programming (0x54) of CEC User Control Code.
KEYCODE_HELP 259 Help key.
KEYCODE_NAVIGATE_PREVIOUS 260 Navigate to previous key. Goes backward by one item in an ordered collection of items.
KEYCODE_NAVIGATE_NEXT 261 Navigate to next key. Advances to the next item in an ordered collection of items.
KEYCODE_NAVIGATE_IN 262 Navigate in key. Activates the item that currently has focus or expands to the next level of a navigation hierarchy.
KEYCODE_NAVIGATE_OUT 263 Navigate out key. Backs out one level of a navigation hierarchy or collapses the item that currently has focus.
KEYCODE_STEM_PRIMARY 264 Primary stem key for Wear Main power/reset button on watch.
KEYCODE_STEM_1 265 Generic stem key 1 for Wear.
KEYCODE_STEM_2 266 Generic stem key 2 for Wear.
KEYCODE_STEM_3 267 Generic stem key 3 for Wear.
KEYCODE_DPAD_UP_LEFT 268 Directional Pad Up-Left.
KEYCODE_DPAD_DOWN_LEFT 269 Directional Pad Down-Left.
KEYCODE_DPAD_UP_RIGHT 270 Directional Pad Up-Right.
KEYCODE_DPAD_DOWN_RIGHT 271 Directional Pad Down-Right.
KEYCODE_MEDIA_SKIP_FORWARD 272 Skip forward media key.
KEYCODE_MEDIA_SKIP_BACKWARD 273 Skip backward media key.
KEYCODE_MEDIA_STEP_FORWARD 274 Step forward media key. Steps media forward, one frame at a time.
KEYCODE_MEDIA_STEP_BACKWARD 275 Step backward media key. Steps media backward, one frame at a time.
KEYCODE_SOFT_SLEEP 276 put device to sleep unless a wakelock is held.
KEYCODE_CUT 277 Cut key.
KEYCODE_COPY 278 Copy key.
KEYCODE_PASTE 279 Paste key.
KEYCODE_SYSTEM_NAVIGATION_UP 280 Consumed by the system for navigation up.
KEYCODE_SYSTEM_NAVIGATION_DOWN 281 Consumed by the system for navigation down.
KEYCODE_SYSTEM_NAVIGATION_LEFT 282 Consumed by the system for navigation left.
KEYCODE_SYSTEM_NAVIGATION_RIGHT 283 Consumed by the system for navigation right.
KEYCODE_ALL_APPS 284 Show all apps.
KEYCODE_REFRESH 285 Refresh key.
KEYCODE_THUMBS_UP 286 Thumbs up key. Apps can use this to let user upvote content.
KEYCODE_THUMBS_DOWN 287 Thumbs down key. Apps can use this to let user downvote content.
KEYCODE_PROFILE_SWITCH 288 Used to switch current {@link android.accounts.Account} that is consuming content. May be consumed by system to set account globally.
KEYCODE_VIDEO_APP_1 289 Video Application key #1.
KEYCODE_VIDEO_APP_2 290 Video Application key #2.
KEYCODE_VIDEO_APP_3 291 Video Application key #3.
KEYCODE_VIDEO_APP_4 292 Video Application key #4.
KEYCODE_VIDEO_APP_5 293 Video Application key #5.
KEYCODE_VIDEO_APP_6 294 Video Application key #6.
KEYCODE_VIDEO_APP_7 295 Video Application key #7.
KEYCODE_VIDEO_APP_8 296 Video Application key #8.
KEYCODE_FEATURED_APP_1 297 Featured Application key #1.
KEYCODE_FEATURED_APP_2 298 Featured Application key #2.
KEYCODE_FEATURED_APP_3 299 Featured Application key #3.
KEYCODE_FEATURED_APP_4 300 Featured Application key #4.
KEYCODE_DEMO_APP_1 301 Demo Application key #1.
KEYCODE_DEMO_APP_2 302 Demo Application key #2.
KEYCODE_DEMO_APP_3 303 Demo Application key #3.
KEYCODE_DEMO_APP_4 304 Demo Application key #4.
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