HdmiCecKeycode.java revision cd3445cc8b7a1a08f34bf955c6d2357a5d5481c3
1/* 2 * Copyright (C) 2014 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.server.hdmi; 18 19import android.view.KeyEvent; 20 21/** 22 * Helper class to translate android keycode to hdmi cec keycode and vice versa. 23 */ 24public class HdmiCecKeycode { 25 public static final int UNSUPPORTED_KEYCODE = -1; 26 public static final int NO_PARAM = -1; 27 28 // ========================================================================= 29 // Hdmi CEC keycodes 30 public static final int CEC_KEYCODE_SELECT = 0x00; 31 public static final int CEC_KEYCODE_UP = 0x01; 32 public static final int CEC_KEYCODE_DOWN = 0x02; 33 public static final int CEC_KEYCODE_LEFT = 0x03; 34 public static final int CEC_KEYCODE_RIGHT = 0x04; 35 public static final int CEC_KEYCODE_RIGHT_UP = 0x05; 36 public static final int CEC_KEYCODE_RIGHT_DOWN = 0x06; 37 public static final int CEC_KEYCODE_LEFT_UP = 0x07; 38 public static final int CEC_KEYCODE_LEFT_DOWN = 0x08; 39 public static final int CEC_KEYCODE_ROOT_MENU = 0x09; 40 public static final int CEC_KEYCODE_SETUP_MENU = 0x0A; 41 public static final int CEC_KEYCODE_CONTENTS_MENU = 0x0B; 42 public static final int CEC_KEYCODE_FAVORITE_MENU = 0x0C; 43 public static final int CEC_KEYCODE_EXIT = 0x0D; 44 // RESERVED = 0x0E - 0x0F 45 public static final int CEC_KEYCODE_MEDIA_TOP_MENU = 0x10; 46 public static final int CEC_KEYCODE_MEDIA_CONTEXT_SENSITIVE_MENU = 0x11; 47 // RESERVED = 0x12 – 0x1C 48 public static final int CEC_KEYCODE_NUMBER_ENTRY_MODE = 0x1D; 49 public static final int CEC_KEYCODE_NUMBER_11 = 0x1E; 50 public static final int CEC_KEYCODE_NUMBER_12 = 0x1F; 51 public static final int CEC_KEYCODE_NUMBER_0_OR_NUMBER_10 = 0x20; 52 public static final int CEC_KEYCODE_NUMBERS_1 = 0x21; 53 public static final int CEC_KEYCODE_NUMBERS_2 = 0x22; 54 public static final int CEC_KEYCODE_NUMBERS_3 = 0x23; 55 public static final int CEC_KEYCODE_NUMBERS_4 = 0x24; 56 public static final int CEC_KEYCODE_NUMBERS_5 = 0x25; 57 public static final int CEC_KEYCODE_NUMBERS_6 = 0x26; 58 public static final int CEC_KEYCODE_NUMBERS_7 = 0x27; 59 public static final int CEC_KEYCODE_NUMBERS_8 = 0x28; 60 public static final int CEC_KEYCODE_NUMBERS_9 = 0x29; 61 public static final int CEC_KEYCODE_DOT = 0x2A; 62 public static final int CEC_KEYCODE_ENTER = 0x2B; 63 public static final int CEC_KEYCODE_CLEAR = 0x2C; 64 // RESERVED = 0x2D - 0x2E 65 public static final int CEC_KEYCODE_NEXT_FAVORITE = 0x2F; 66 public static final int CEC_KEYCODE_CHANNEL_UP = 0x30; 67 public static final int CEC_KEYCODE_CHANNEL_DOWN = 0x31; 68 public static final int CEC_KEYCODE_PREVIOUS_CHANNEL = 0x32; 69 public static final int CEC_KEYCODE_SOUND_SELECT = 0x33; 70 public static final int CEC_KEYCODE_INPUT_SELECT = 0x34; 71 public static final int CEC_KEYCODE_DISPLAY_INFORMATION = 0x35; 72 public static final int CEC_KEYCODE_HELP = 0x36; 73 public static final int CEC_KEYCODE_PAGE_UP = 0x37; 74 public static final int CEC_KEYCODE_PAGE_DOWN = 0x38; 75 // RESERVED = 0x39 - 0x3F 76 public static final int CEC_KEYCODE_POWER = 0x40; 77 public static final int CEC_KEYCODE_VOLUME_UP = 0x41; 78 public static final int CEC_KEYCODE_VOLUME_DOWN = 0x42; 79 public static final int CEC_KEYCODE_MUTE = 0x43; 80 public static final int CEC_KEYCODE_PLAY = 0x44; 81 public static final int CEC_KEYCODE_STOP = 0x45; 82 public static final int CEC_KEYCODE_PAUSE = 0x46; 83 public static final int CEC_KEYCODE_RECORD = 0x47; 84 public static final int CEC_KEYCODE_REWIND = 0x48; 85 public static final int CEC_KEYCODE_FAST_FORWARD = 0x49; 86 public static final int CEC_KEYCODE_EJECT = 0x4A; 87 public static final int CEC_KEYCODE_FORWARD = 0x4B; 88 public static final int CEC_KEYCODE_BACKWARD = 0x4C; 89 public static final int CEC_KEYCODE_STOP_RECORD = 0x4D; 90 public static final int CEC_KEYCODE_PAUSE_RECORD = 0x4E; 91 public static final int CEC_KEYCODE_RESERVED = 0x4F; 92 public static final int CEC_KEYCODE_ANGLE = 0x50; 93 public static final int CEC_KEYCODE_SUB_PICTURE = 0x51; 94 public static final int CEC_KEYCODE_VIDEO_ON_DEMAND = 0x52; 95 public static final int CEC_KEYCODE_ELECTRONIC_PROGRAM_GUIDE = 0x53; 96 public static final int CEC_KEYCODE_TIMER_PROGRAMMING = 0x54; 97 public static final int CEC_KEYCODE_INITIAL_CONFIGURATION = 0x55; 98 public static final int CEC_KEYCODE_SELECT_BROADCAST_TYPE = 0x56; 99 public static final int CEC_KEYCODE_SELECT_SOUND_PRESENTATION = 0x57; 100 // RESERVED = 0x58-0x5F 101 public static final int CEC_KEYCODE_PLAY_FUNCTION = 0x60; 102 public static final int CEC_KEYCODE_PAUSE_PLAY_FUNCTION = 0x61; 103 public static final int CEC_KEYCODE_RECORD_FUNCTION = 0x62; 104 public static final int CEC_KEYCODE_PAUSE_RECORD_FUNCTION = 0x63; 105 public static final int CEC_KEYCODE_STOP_FUNCTION = 0x64; 106 public static final int CEC_KEYCODE_MUTE_FUNCTION = 0x65; 107 public static final int CEC_KEYCODE_RESTORE_VOLUME_FUNCTION = 0x66; 108 public static final int CEC_KEYCODE_TUNE_FUNCTION = 0x67; 109 public static final int CEC_KEYCODE_SELECT_MEDIA_FUNCTION = 0x68; 110 public static final int CEC_KEYCODE_SELECT_AV_INPUT_FUNCTION = 0x69; 111 public static final int CEC_KEYCODE_SELECT_AUDIO_INPUT_FUNCTION = 0x6A; 112 public static final int CEC_KEYCODE_POWER_TOGGLE_FUNCTION = 0x6B; 113 public static final int CEC_KEYCODE_POWER_OFF_FUNCTION = 0x6C; 114 public static final int CEC_KEYCODE_POWER_ON_FUNCTION = 0x6D; 115 // RESERVED = 0x6E-0x70 116 public static final int CEC_KEYCODE_F1_BLUE = 0x71; 117 public static final int CEC_KEYCODE_F2_RED = 0x72; 118 public static final int CEC_KEYCODE_F3_GREEN = 0x73; 119 public static final int CEC_KEYCODE_F4_YELLOW = 0x74; 120 public static final int CEC_KEYCODE_F5 = 0x75; 121 public static final int CEC_KEYCODE_DATA = 0x76; 122 // RESERVED = 0x77-0xFF 123 124 // ========================================================================= 125 // UI Broadcast Type 126 public static final int UI_BROADCAST_TOGGLE_ALL = 0x00; 127 public static final int UI_BROADCAST_TOGGLE_ANALOGUE_DIGITAL = 0x01; 128 public static final int UI_BROADCAST_ANALOGUE = 0x10; 129 public static final int UI_BROADCAST_ANALOGUE_TERRESTRIAL = 0x20; 130 public static final int UI_BROADCAST_ANALOGUE_CABLE = 0x30; 131 public static final int UI_BROADCAST_ANALOGUE_SATELLITE = 0x40; 132 public static final int UI_BROADCAST_DIGITAL = 0x50; 133 public static final int UI_BROADCAST_DIGITAL_TERRESTRIAL = 0x60; 134 public static final int UI_BROADCAST_DIGITAL_CABLE = 0x70; 135 public static final int UI_BROADCAST_DIGITAL_SATELLITE = 0x80; 136 public static final int UI_BROADCAST_DIGITAL_COMMNICATIONS_SATELLITE = 0x90; 137 public static final int UI_BROADCAST_DIGITAL_COMMNICATIONS_SATELLITE_2 = 0x91; 138 public static final int UI_BROADCAST_IP = 0xA0; 139 140 // ========================================================================= 141 // UI Sound Presentation Control 142 public static final int UI_SOUND_PRESENTATION_SOUND_MIX_DUAL_MONO = 0x20; 143 public static final int UI_SOUND_PRESENTATION_SOUND_MIX_KARAOKE = 0x30; 144 public static final int UI_SOUND_PRESENTATION_SELECT_AUDIO_DOWN_MIX = 0x80; 145 public static final int UI_SOUND_PRESENTATION_SELECT_AUDIO_AUTO_REVERBERATION = 0x90; 146 public static final int UI_SOUND_PRESENTATION_SELECT_AUDIO_AUTO_EQUALIZER = 0xA0; 147 public static final int UI_SOUND_PRESENTATION_BASS_STEP_PLUS = 0xB1; 148 public static final int UI_SOUND_PRESENTATION_BASS_NEUTRAL = 0xB2; 149 public static final int UI_SOUND_PRESENTATION_BASS_STEP_MINUS = 0xB3; 150 public static final int UI_SOUND_PRESENTATION_TREBLE_STEP_PLUS = 0xC1; 151 public static final int UI_SOUND_PRESENTATION_TREBLE_NEUTRAL = 0xC2; 152 public static final int UI_SOUND_PRESENTATION_TREBLE_STEP_MINUS = 0xC3; 153 154 private HdmiCecKeycode() { 155 } 156 157 /** 158 * A mapping between andorid and cec keycode. 159 * 160 * <p>Normal implementation of this looks like 161 * <pre> 162 * new KeycodeEntry(KeyEvent.KEYCODE_DPAD_CENTER, CEC_KEYCODE_SELECT); 163 * </pre> 164 * <p>However, some keys in CEC requires additional parameter. 165 * In order to use parameterized cec key, add unique android keycode (existing or custom) 166 * corresponding to a pair of cec keycode and and its param. 167 * <pre> 168 * new KeycodeEntry(CUSTOME_ANDORID_KEY_1, CEC_KEYCODE_SELECT_BROADCAST_TYPE, 169 * UI_BROADCAST_TOGGLE_ALL); 170 * new KeycodeEntry(CUSTOME_ANDORID_KEY_2, CEC_KEYCODE_SELECT_BROADCAST_TYPE, 171 * UI_BROADCAST_ANALOGUE); 172 * </pre> 173 */ 174 private static class KeycodeEntry { 175 private final int mAndroidKeycode; 176 private final int mCecKeycode; 177 private final int mParam; 178 179 private KeycodeEntry(int androidKeycode, int cecKeycode, int param) { 180 this.mAndroidKeycode = androidKeycode; 181 this.mCecKeycode = cecKeycode; 182 this.mParam = param; 183 } 184 185 private KeycodeEntry(int androidKeycode, int cecKeycode) { 186 this(androidKeycode, cecKeycode, NO_PARAM); 187 } 188 189 private byte[] toCecKeycodeIfMatched(int androidKeycode) { 190 if (mAndroidKeycode == androidKeycode) { 191 if (mParam == NO_PARAM) { 192 return new byte[] { 193 (byte) (mCecKeycode & 0xFF) 194 }; 195 } else { 196 return new byte[] { 197 (byte) (mCecKeycode & 0xFF), 198 (byte) (mParam & 0xFF) 199 }; 200 } 201 } else { 202 return null; 203 } 204 } 205 206 private int toAndroidKeycodeIfMatched(int cecKeycode, int param) { 207 if (cecKeycode == mCecKeycode && mParam == param) { 208 return mAndroidKeycode; 209 } else { 210 return UNSUPPORTED_KEYCODE; 211 } 212 } 213 } 214 215 // Keycode entry container for all mappings. 216 // Note that order of entry is the same as above cec keycode definition. 217 private static final KeycodeEntry[] KEYCODE_ENTRIES = new KeycodeEntry[] { 218 new KeycodeEntry(KeyEvent.KEYCODE_DPAD_CENTER, CEC_KEYCODE_SELECT), 219 new KeycodeEntry(KeyEvent.KEYCODE_DPAD_UP, CEC_KEYCODE_UP), 220 new KeycodeEntry(KeyEvent.KEYCODE_DPAD_DOWN, CEC_KEYCODE_DOWN), 221 new KeycodeEntry(KeyEvent.KEYCODE_DPAD_LEFT, CEC_KEYCODE_LEFT), 222 new KeycodeEntry(KeyEvent.KEYCODE_DPAD_RIGHT, CEC_KEYCODE_RIGHT), 223 // No Android keycode defined for CEC_KEYCODE_RIGHT_UP 224 // No Android keycode defined for CEC_KEYCODE_RIGHT_DOWN 225 // No Android keycode defined for CEC_KEYCODE_LEFT_UP 226 // No Android keycode defined for CEC_KEYCODE_LEFT_DOWN 227 new KeycodeEntry(KeyEvent.KEYCODE_HOME, CEC_KEYCODE_ROOT_MENU), 228 new KeycodeEntry(KeyEvent.KEYCODE_SETTINGS, CEC_KEYCODE_SETUP_MENU), 229 new KeycodeEntry(KeyEvent.KEYCODE_MENU, CEC_KEYCODE_CONTENTS_MENU), 230 // No Android keycode defined for CEC_KEYCODE_FAVORITE_MENU 231 new KeycodeEntry(KeyEvent.KEYCODE_BACK, CEC_KEYCODE_EXIT), 232 // RESERVED 233 new KeycodeEntry(KeyEvent.KEYCODE_MEDIA_TOP_MENU, CEC_KEYCODE_MEDIA_TOP_MENU), 234 // No Android keycode defined for CEC_KEYCODE_MEDIA_CONTEXT_SENSITIVE_MENU 235 // RESERVED 236 // No Android keycode defined for CEC_KEYCODE_NUMBER_ENTRY_MODE 237 new KeycodeEntry(KeyEvent.KEYCODE_11, CEC_KEYCODE_NUMBER_11), 238 new KeycodeEntry(KeyEvent.KEYCODE_12, CEC_KEYCODE_NUMBER_12), 239 new KeycodeEntry(KeyEvent.KEYCODE_0, CEC_KEYCODE_NUMBER_0_OR_NUMBER_10), 240 new KeycodeEntry(KeyEvent.KEYCODE_1, CEC_KEYCODE_NUMBERS_1), 241 new KeycodeEntry(KeyEvent.KEYCODE_2, CEC_KEYCODE_NUMBERS_2), 242 new KeycodeEntry(KeyEvent.KEYCODE_3, CEC_KEYCODE_NUMBERS_3), 243 new KeycodeEntry(KeyEvent.KEYCODE_4, CEC_KEYCODE_NUMBERS_4), 244 new KeycodeEntry(KeyEvent.KEYCODE_5, CEC_KEYCODE_NUMBERS_5), 245 new KeycodeEntry(KeyEvent.KEYCODE_6, CEC_KEYCODE_NUMBERS_6), 246 new KeycodeEntry(KeyEvent.KEYCODE_7, CEC_KEYCODE_NUMBERS_7), 247 new KeycodeEntry(KeyEvent.KEYCODE_8, CEC_KEYCODE_NUMBERS_8), 248 new KeycodeEntry(KeyEvent.KEYCODE_9, CEC_KEYCODE_NUMBERS_9), 249 new KeycodeEntry(KeyEvent.KEYCODE_PERIOD, CEC_KEYCODE_DOT), 250 new KeycodeEntry(KeyEvent.KEYCODE_NUMPAD_ENTER, CEC_KEYCODE_ENTER), 251 new KeycodeEntry(KeyEvent.KEYCODE_CLEAR, CEC_KEYCODE_CLEAR), 252 // RESERVED 253 // No Android keycode defined for CEC_KEYCODE_NEXT_FAVORITE 254 new KeycodeEntry(KeyEvent.KEYCODE_CHANNEL_UP, CEC_KEYCODE_CHANNEL_UP), 255 new KeycodeEntry(KeyEvent.KEYCODE_CHANNEL_DOWN, CEC_KEYCODE_CHANNEL_DOWN), 256 new KeycodeEntry(KeyEvent.KEYCODE_LAST_CHANNEL, CEC_KEYCODE_PREVIOUS_CHANNEL), 257 // No Android keycode defined for CEC_KEYCODE_SOUND_SELECT 258 new KeycodeEntry(KeyEvent.KEYCODE_TV_INPUT, CEC_KEYCODE_INPUT_SELECT), 259 new KeycodeEntry(KeyEvent.KEYCODE_INFO, CEC_KEYCODE_DISPLAY_INFORMATION), 260 // No Android keycode defined for CEC_KEYCODE_HELP 261 new KeycodeEntry(KeyEvent.KEYCODE_PAGE_UP, CEC_KEYCODE_PAGE_UP), 262 new KeycodeEntry(KeyEvent.KEYCODE_PAGE_DOWN, CEC_KEYCODE_PAGE_DOWN), 263 // RESERVED 264 new KeycodeEntry(KeyEvent.KEYCODE_POWER, CEC_KEYCODE_POWER), 265 new KeycodeEntry(KeyEvent.KEYCODE_VOLUME_UP, CEC_KEYCODE_VOLUME_UP), 266 new KeycodeEntry(KeyEvent.KEYCODE_VOLUME_DOWN, CEC_KEYCODE_VOLUME_DOWN), 267 new KeycodeEntry(KeyEvent.KEYCODE_VOLUME_MUTE, CEC_KEYCODE_MUTE), 268 new KeycodeEntry(KeyEvent.KEYCODE_MEDIA_PLAY, CEC_KEYCODE_PLAY), 269 new KeycodeEntry(KeyEvent.KEYCODE_MEDIA_STOP, CEC_KEYCODE_STOP), 270 new KeycodeEntry(KeyEvent.KEYCODE_MEDIA_PAUSE, CEC_KEYCODE_PAUSE), 271 new KeycodeEntry(KeyEvent.KEYCODE_MEDIA_RECORD, CEC_KEYCODE_RECORD), 272 new KeycodeEntry(KeyEvent.KEYCODE_MEDIA_REWIND, CEC_KEYCODE_REWIND), 273 new KeycodeEntry(KeyEvent.KEYCODE_MEDIA_FAST_FORWARD, CEC_KEYCODE_FAST_FORWARD), 274 new KeycodeEntry(KeyEvent.KEYCODE_MEDIA_EJECT, CEC_KEYCODE_EJECT), 275 new KeycodeEntry(KeyEvent.KEYCODE_MEDIA_NEXT, CEC_KEYCODE_FORWARD), 276 new KeycodeEntry(KeyEvent.KEYCODE_MEDIA_PREVIOUS, CEC_KEYCODE_BACKWARD), 277 // No Android keycode defined for CEC_KEYCODE_STOP_RECORD 278 // No Android keycode defined for CEC_KEYCODE_PAUSE_RECORD 279 // No Android keycode defined for CEC_KEYCODE_RESERVED 280 // No Android keycode defined for CEC_KEYCODE_ANGLE 281 // No Android keycode defined for CEC_KEYCODE_SUB_PICTURE 282 // No Android keycode defined for CEC_KEYCODE_VIDEO_ON_DEMAND 283 new KeycodeEntry(KeyEvent.KEYCODE_GUIDE, CEC_KEYCODE_ELECTRONIC_PROGRAM_GUIDE), 284 // No Android keycode defined for CEC_KEYCODE_TIMER_PROGRAMMING 285 // No Android keycode defined for CEC_KEYCODE_INITIAL_CONFIGURATION 286 // No Android keycode defined for CEC_KEYCODE_SELECT_BROADCAST_TYPE 287 // No Android keycode defined for CEC_KEYCODE_SELECT_SOUND_PRESENTATION 288 // RESERVED 289 // The following deterministic key definitions do not need key mapping 290 // since they are supposed to be generated programmatically only. 291 // No Android keycode defined for CEC_KEYCODE_PLAY_FUNCTION 292 // No Android keycode defined for CEC_KEYCODE_PAUSE_PLAY_FUNCTION 293 // No Android keycode defined for CEC_KEYCODE_RECORD_FUNCTION 294 // No Android keycode defined for CEC_KEYCODE_PAUSE_RECORD_FUNCTION 295 // No Android keycode defined for CEC_KEYCODE_STOP_FUNCTION 296 // No Android keycode defined for CEC_KEYCODE_MUTE_FUNCTION 297 // No Android keycode defined for CEC_KEYCODE_RESTORE_VOLUME_FUNCTION 298 // No Android keycode defined for CEC_KEYCODE_TUNE_FUNCTION 299 // No Android keycode defined for CEC_KEYCODE_SELECT_MEDIA_FUNCTION 300 // No Android keycode defined for CEC_KEYCODE_SELECT_AV_INPUT_FUNCTION 301 // No Android keycode defined for CEC_KEYCODE_SELECT_AUDIO_INPUT_FUNCTION 302 // No Android keycode defined for CEC_KEYCODE_POWER_TOGGLE_FUNCTION 303 // No Android keycode defined for CEC_KEYCODE_POWER_OFF_FUNCTION 304 // No Android keycode defined for CEC_KEYCODE_POWER_ON_FUNCTION 305 // RESERVED 306 new KeycodeEntry(KeyEvent.KEYCODE_PROG_BLUE, CEC_KEYCODE_F1_BLUE), 307 new KeycodeEntry(KeyEvent.KEYCODE_PROG_RED, CEC_KEYCODE_F2_RED), 308 new KeycodeEntry(KeyEvent.KEYCODE_PROG_GREEN, CEC_KEYCODE_F3_GREEN), 309 new KeycodeEntry(KeyEvent.KEYCODE_PROG_YELLOW, CEC_KEYCODE_F4_YELLOW), 310 new KeycodeEntry(KeyEvent.KEYCODE_F5, CEC_KEYCODE_F5), 311 new KeycodeEntry(KeyEvent.KEYCODE_TV_DATA_SERVICE, CEC_KEYCODE_DATA), 312 // RESERVED 313 // Add a new key mapping here if new keycode is introduced. 314 }; 315 316 /** 317 * Translate Android keycode to Hdmi Cec keycode. 318 * 319 * @param keycode Android keycode. For details, refer {@link KeyEvent} 320 * @return array of byte which contains cec keycode and param if it has; 321 * return null if failed to find matched cec keycode 322 */ 323 static byte[] androidKeyToCecKey(int keycode) { 324 for (int i = 0; i < KEYCODE_ENTRIES.length; ++i) { 325 byte[] cecKeycode = KEYCODE_ENTRIES[i].toCecKeycodeIfMatched(keycode); 326 if (cecKeycode != null) { 327 return cecKeycode; 328 } 329 } 330 return null; 331 } 332 333 /** 334 * Translate Hdmi CEC keycode to Android keycode. 335 * 336 * @param keycode Cec keycode. If has no param, put {@link #NO_PARAM} 337 * @return cec keycode corresponding to the given android keycode. 338 * If finds no matched keycode, return {@link #UNSUPPORTED_KEYCODE} 339 */ 340 static int cecKeyToAndroidKey(int keycode, int param) { 341 for (int i = 0; i < KEYCODE_ENTRIES.length; ++i) { 342 int androidKey = KEYCODE_ENTRIES[i].toAndroidKeycodeIfMatched(keycode, param); 343 if (androidKey != UNSUPPORTED_KEYCODE) { 344 return androidKey; 345 } 346 } 347 return UNSUPPORTED_KEYCODE; 348 } 349} 350