The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2007 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 | |
| 17 | package android.view; |
| 18 | |
| 19 | import android.text.method.MetaKeyKeyListener; |
Jeff Brown | 6b53e8d | 2010-11-10 16:03:06 -0800 | [diff] [blame] | 20 | import android.util.AndroidRuntimeException; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 21 | import android.util.SparseIntArray; |
| 22 | import android.os.RemoteException; |
| 23 | import android.os.ServiceManager; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 24 | import android.util.SparseArray; |
| 25 | |
| 26 | import java.lang.Character; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 27 | |
Jeff Brown | c5ed591 | 2010-07-14 18:48:53 -0700 | [diff] [blame] | 28 | /** |
Jeff Brown | 6b53e8d | 2010-11-10 16:03:06 -0800 | [diff] [blame] | 29 | * Describes the keys provided by a keyboard device and their associated labels. |
Jeff Brown | c5ed591 | 2010-07-14 18:48:53 -0700 | [diff] [blame] | 30 | */ |
Jeff Brown | 6b53e8d | 2010-11-10 16:03:06 -0800 | [diff] [blame] | 31 | public class KeyCharacterMap { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 32 | /** |
| 33 | * The id of the device's primary built in keyboard is always 0. |
Jeff Brown | 1f24510 | 2010-11-18 20:53:46 -0800 | [diff] [blame] | 34 | * |
| 35 | * @deprecated This constant should no longer be used because there is no |
| 36 | * guarantee that a device has a built-in keyboard that can be used for |
| 37 | * typing text. There might not be a built-in keyboard, the built-in keyboard |
| 38 | * might be a {@link #NUMERIC} or {@link #SPECIAL_FUNCTION} keyboard, or there |
| 39 | * might be multiple keyboards installed including external keyboards. |
| 40 | * When interpreting key presses received from the framework, applications should |
Jeff Brown | 46a5ae6 | 2010-11-30 19:52:29 -0800 | [diff] [blame] | 41 | * use the device id specified in the {@link KeyEvent} received. |
Jeff Brown | 1f24510 | 2010-11-18 20:53:46 -0800 | [diff] [blame] | 42 | * When synthesizing key presses for delivery elsewhere or when translating key presses |
| 43 | * from unknown keyboards, applications should use the special {@link #VIRTUAL_KEYBOARD} |
| 44 | * device id. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 45 | */ |
Jeff Brown | 1f24510 | 2010-11-18 20:53:46 -0800 | [diff] [blame] | 46 | @Deprecated |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 47 | public static final int BUILT_IN_KEYBOARD = 0; |
| 48 | |
Jeff Brown | 6b53e8d | 2010-11-10 16:03:06 -0800 | [diff] [blame] | 49 | /** |
| 50 | * The id of a generic virtual keyboard with a full layout that can be used to |
| 51 | * synthesize key events. Typically used with {@link #getEvents}. |
| 52 | */ |
| 53 | public static final int VIRTUAL_KEYBOARD = -1; |
| 54 | |
| 55 | /** |
| 56 | * A numeric (12-key) keyboard. |
| 57 | * <p> |
| 58 | * A numeric keyboard supports text entry using a multi-tap approach. |
| 59 | * It may be necessary to tap a key multiple times to generate the desired letter |
| 60 | * or symbol. |
| 61 | * </p><p> |
| 62 | * This type of keyboard is generally designed for thumb typing. |
| 63 | * </p> |
| 64 | */ |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 65 | public static final int NUMERIC = 1; |
| 66 | |
Jeff Brown | 6b53e8d | 2010-11-10 16:03:06 -0800 | [diff] [blame] | 67 | /** |
| 68 | * A keyboard with all the letters, but with more than one letter per key. |
| 69 | * <p> |
| 70 | * This type of keyboard is generally designed for thumb typing. |
| 71 | * </p> |
| 72 | */ |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 73 | public static final int PREDICTIVE = 2; |
| 74 | |
Jeff Brown | 6b53e8d | 2010-11-10 16:03:06 -0800 | [diff] [blame] | 75 | /** |
| 76 | * A keyboard with all the letters, and maybe some numbers. |
| 77 | * <p> |
| 78 | * An alphabetic keyboard supports text entry directly but may have a condensed |
| 79 | * layout with a small form factor. In contrast to a {@link #FULL full keyboard}, some |
| 80 | * symbols may only be accessible using special on-screen character pickers. |
| 81 | * In addition, to improve typing speed and accuracy, the framework provides |
| 82 | * special affordances for alphabetic keyboards such as auto-capitalization |
| 83 | * and toggled / locked shift and alt keys. |
| 84 | * </p><p> |
| 85 | * This type of keyboard is generally designed for thumb typing. |
| 86 | * </p> |
| 87 | */ |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 88 | public static final int ALPHA = 3; |
| 89 | |
| 90 | /** |
Jeff Brown | 6b53e8d | 2010-11-10 16:03:06 -0800 | [diff] [blame] | 91 | * A full PC-style keyboard. |
| 92 | * <p> |
| 93 | * A full keyboard behaves like a PC keyboard. All symbols are accessed directly |
| 94 | * by pressing keys on the keyboard without on-screen support or affordances such |
| 95 | * as auto-capitalization. |
| 96 | * </p><p> |
| 97 | * This type of keyboard is generally designed for full two hand typing. |
| 98 | * </p> |
| 99 | */ |
| 100 | public static final int FULL = 4; |
| 101 | |
| 102 | /** |
| 103 | * A keyboard that is only used to control special functions rather than for typing. |
| 104 | * <p> |
| 105 | * A special function keyboard consists only of non-printing keys such as |
| 106 | * HOME and POWER that are not actually used for typing. |
| 107 | * </p> |
| 108 | */ |
| 109 | public static final int SPECIAL_FUNCTION = 5; |
| 110 | |
| 111 | /** |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 112 | * This private-use character is used to trigger Unicode character |
| 113 | * input by hex digits. |
| 114 | */ |
| 115 | public static final char HEX_INPUT = '\uEF00'; |
| 116 | |
| 117 | /** |
| 118 | * This private-use character is used to bring up a character picker for |
| 119 | * miscellaneous symbols. |
| 120 | */ |
| 121 | public static final char PICKER_DIALOG_INPUT = '\uEF01'; |
| 122 | |
Jeff Brown | 6b53e8d | 2010-11-10 16:03:06 -0800 | [diff] [blame] | 123 | /** |
| 124 | * Modifier keys may be chorded with character keys. |
| 125 | * |
| 126 | * @see {#link #getModifierBehavior()} for more details. |
| 127 | */ |
| 128 | public static final int MODIFIER_BEHAVIOR_CHORDED = 0; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 129 | |
Jeff Brown | c5ed591 | 2010-07-14 18:48:53 -0700 | [diff] [blame] | 130 | /** |
Jeff Brown | 6b53e8d | 2010-11-10 16:03:06 -0800 | [diff] [blame] | 131 | * Modifier keys may be chorded with character keys or they may toggle |
| 132 | * into latched or locked states when pressed independently. |
| 133 | * |
| 134 | * @see {#link #getModifierBehavior()} for more details. |
Jeff Brown | c5ed591 | 2010-07-14 18:48:53 -0700 | [diff] [blame] | 135 | */ |
Jeff Brown | 6b53e8d | 2010-11-10 16:03:06 -0800 | [diff] [blame] | 136 | public static final int MODIFIER_BEHAVIOR_CHORDED_OR_TOGGLED = 1; |
| 137 | |
| 138 | private static SparseArray<KeyCharacterMap> sInstances = new SparseArray<KeyCharacterMap>(); |
| 139 | |
| 140 | private final int mDeviceId; |
| 141 | private int mPtr; |
| 142 | |
| 143 | private static native int nativeLoad(int id); |
| 144 | private static native void nativeDispose(int ptr); |
| 145 | |
| 146 | private static native char nativeGetCharacter(int ptr, int keyCode, int metaState); |
Jeff Brown | 49ed71d | 2010-12-06 17:13:33 -0800 | [diff] [blame] | 147 | private static native boolean nativeGetFallbackAction(int ptr, int keyCode, int metaState, |
| 148 | FallbackAction outFallbackAction); |
Jeff Brown | 6b53e8d | 2010-11-10 16:03:06 -0800 | [diff] [blame] | 149 | private static native char nativeGetNumber(int ptr, int keyCode); |
| 150 | private static native char nativeGetMatch(int ptr, int keyCode, char[] chars, int metaState); |
| 151 | private static native char nativeGetDisplayLabel(int ptr, int keyCode); |
| 152 | private static native int nativeGetKeyboardType(int ptr); |
| 153 | private static native KeyEvent[] nativeGetEvents(int ptr, int deviceId, char[] chars); |
| 154 | |
| 155 | private KeyCharacterMap(int deviceId, int ptr) { |
| 156 | mDeviceId = deviceId; |
| 157 | mPtr = ptr; |
| 158 | } |
| 159 | |
| 160 | @Override |
| 161 | protected void finalize() throws Throwable { |
| 162 | if (mPtr != 0) { |
| 163 | nativeDispose(mPtr); |
| 164 | mPtr = 0; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 165 | } |
| 166 | } |
| 167 | |
Jeff Brown | 6b53e8d | 2010-11-10 16:03:06 -0800 | [diff] [blame] | 168 | /** |
| 169 | * Loads the key character maps for the keyboard with the specified device id. |
| 170 | * |
| 171 | * @param deviceId The device id of the keyboard. |
| 172 | * @return The associated key character map. |
Jeff Brown | 7e1e21f | 2011-01-19 17:05:01 -0800 | [diff] [blame] | 173 | * @throws {@link UnavailableException} if the key character map |
Jeff Brown | 6b53e8d | 2010-11-10 16:03:06 -0800 | [diff] [blame] | 174 | * could not be loaded because it was malformed or the default key character map |
| 175 | * is missing from the system. |
| 176 | */ |
| 177 | public static KeyCharacterMap load(int deviceId) { |
| 178 | synchronized (sInstances) { |
| 179 | KeyCharacterMap map = sInstances.get(deviceId); |
| 180 | if (map == null) { |
| 181 | int ptr = nativeLoad(deviceId); // might throw |
| 182 | map = new KeyCharacterMap(deviceId, ptr); |
| 183 | sInstances.put(deviceId, map); |
| 184 | } |
| 185 | return map; |
| 186 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 187 | } |
| 188 | |
| 189 | /** |
Jeff Brown | 6b53e8d | 2010-11-10 16:03:06 -0800 | [diff] [blame] | 190 | * Gets the Unicode character generated by the specified key and meta |
| 191 | * key state combination. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 192 | * <p> |
| 193 | * Returns the Unicode character that the specified key would produce |
| 194 | * when the specified meta bits (see {@link MetaKeyKeyListener}) |
| 195 | * were active. |
| 196 | * </p><p> |
| 197 | * Returns 0 if the key is not one that is used to type Unicode |
| 198 | * characters. |
| 199 | * </p><p> |
| 200 | * If the return value has bit {@link #COMBINING_ACCENT} set, the |
| 201 | * key is a "dead key" that should be combined with another to |
| 202 | * actually produce a character -- see {@link #getDeadChar} -- |
| 203 | * after masking with {@link #COMBINING_ACCENT_MASK}. |
| 204 | * </p> |
Jeff Brown | 6b53e8d | 2010-11-10 16:03:06 -0800 | [diff] [blame] | 205 | * |
| 206 | * @param keyCode The key code. |
| 207 | * @param metaState The meta key modifier state. |
| 208 | * @return The associated character or combining accent, or 0 if none. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 209 | */ |
Jeff Brown | 6b53e8d | 2010-11-10 16:03:06 -0800 | [diff] [blame] | 210 | public int get(int keyCode, int metaState) { |
Jeff Brown | 28cbf4b | 2010-12-13 10:33:20 -0800 | [diff] [blame] | 211 | metaState = KeyEvent.normalizeMetaState(metaState); |
Jeff Brown | 6b53e8d | 2010-11-10 16:03:06 -0800 | [diff] [blame] | 212 | char ch = nativeGetCharacter(mPtr, keyCode, metaState); |
Jeff Brown | 49ed71d | 2010-12-06 17:13:33 -0800 | [diff] [blame] | 213 | |
Jeff Brown | 6b53e8d | 2010-11-10 16:03:06 -0800 | [diff] [blame] | 214 | int map = COMBINING.get(ch); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 215 | if (map != 0) { |
| 216 | return map; |
| 217 | } else { |
Jeff Brown | 6b53e8d | 2010-11-10 16:03:06 -0800 | [diff] [blame] | 218 | return ch; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 219 | } |
| 220 | } |
| 221 | |
| 222 | /** |
Jeff Brown | 49ed71d | 2010-12-06 17:13:33 -0800 | [diff] [blame] | 223 | * Gets the fallback action to perform if the application does not |
| 224 | * handle the specified key. |
| 225 | * <p> |
| 226 | * When an application does not handle a particular key, the system may |
| 227 | * translate the key to an alternate fallback key (specified in the |
| 228 | * fallback action) and dispatch it to the application. |
| 229 | * The event containing the fallback key is flagged |
| 230 | * with {@link KeyEvent#FLAG_FALLBACK}. |
| 231 | * </p> |
| 232 | * |
| 233 | * @param keyCode The key code. |
| 234 | * @param metaState The meta key modifier state. |
| 235 | * @param outFallbackAction The fallback action object to populate. |
| 236 | * @return True if a fallback action was found, false otherwise. |
| 237 | * |
| 238 | * @hide |
| 239 | */ |
| 240 | public boolean getFallbackAction(int keyCode, int metaState, |
| 241 | FallbackAction outFallbackAction) { |
| 242 | if (outFallbackAction == null) { |
| 243 | throw new IllegalArgumentException("fallbackAction must not be null"); |
| 244 | } |
| 245 | |
Jeff Brown | 28cbf4b | 2010-12-13 10:33:20 -0800 | [diff] [blame] | 246 | metaState = KeyEvent.normalizeMetaState(metaState); |
Jeff Brown | 49ed71d | 2010-12-06 17:13:33 -0800 | [diff] [blame] | 247 | return nativeGetFallbackAction(mPtr, keyCode, metaState, outFallbackAction); |
| 248 | } |
| 249 | |
| 250 | /** |
Jeff Brown | 6b53e8d | 2010-11-10 16:03:06 -0800 | [diff] [blame] | 251 | * Gets the number or symbol associated with the key. |
| 252 | * <p> |
| 253 | * The character value is returned, not the numeric value. |
| 254 | * If the key is not a number, but is a symbol, the symbol is retuned. |
| 255 | * </p><p> |
| 256 | * This method is intended to to support dial pads and other numeric or |
| 257 | * symbolic entry on keyboards where certain keys serve dual function |
| 258 | * as alphabetic and symbolic keys. This method returns the number |
| 259 | * or symbol associated with the key independent of whether the user |
| 260 | * has pressed the required modifier. |
| 261 | * </p><p> |
| 262 | * For example, on one particular keyboard the keys on the top QWERTY row generate |
| 263 | * numbers when ALT is pressed such that ALT-Q maps to '1'. So for that keyboard |
| 264 | * when {@link #getNumber} is called with {@link KeyEvent#KEYCODE_Q} it returns '1' |
| 265 | * so that the user can type numbers without pressing ALT when it makes sense. |
| 266 | * </p> |
| 267 | * |
| 268 | * @param keyCode The key code. |
| 269 | * @return The associated numeric or symbolic character, or 0 if none. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 270 | */ |
Jeff Brown | 6b53e8d | 2010-11-10 16:03:06 -0800 | [diff] [blame] | 271 | public char getNumber(int keyCode) { |
| 272 | return nativeGetNumber(mPtr, keyCode); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 273 | } |
| 274 | |
| 275 | /** |
Jeff Brown | 6b53e8d | 2010-11-10 16:03:06 -0800 | [diff] [blame] | 276 | * Gets the first character in the character array that can be generated |
| 277 | * by the specified key code. |
| 278 | * <p> |
| 279 | * This is a convenience function that returns the same value as |
| 280 | * {@link #getMatch(int,char[],int) getMatch(keyCode, chars, 0)}. |
| 281 | * </p> |
| 282 | * |
| 283 | * @param keyCode The keycode. |
| 284 | * @param chars The array of matching characters to consider. |
| 285 | * @return The matching associated character, or 0 if none. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 286 | */ |
Jeff Brown | 6b53e8d | 2010-11-10 16:03:06 -0800 | [diff] [blame] | 287 | public char getMatch(int keyCode, char[] chars) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 288 | return getMatch(keyCode, chars, 0); |
| 289 | } |
| 290 | |
| 291 | /** |
Jeff Brown | 6b53e8d | 2010-11-10 16:03:06 -0800 | [diff] [blame] | 292 | * Gets the first character in the character array that can be generated |
| 293 | * by the specified key code. If there are multiple choices, prefers |
| 294 | * the one that would be generated with the specified meta key modifier state. |
| 295 | * |
| 296 | * @param keyCode The key code. |
| 297 | * @param chars The array of matching characters to consider. |
| 298 | * @param metaState The preferred meta key modifier state. |
| 299 | * @return The matching associated character, or 0 if none. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 300 | */ |
Jeff Brown | 6b53e8d | 2010-11-10 16:03:06 -0800 | [diff] [blame] | 301 | public char getMatch(int keyCode, char[] chars, int metaState) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 302 | if (chars == null) { |
Jeff Brown | 6b53e8d | 2010-11-10 16:03:06 -0800 | [diff] [blame] | 303 | throw new IllegalArgumentException("chars must not be null."); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 304 | } |
Jeff Brown | 49ed71d | 2010-12-06 17:13:33 -0800 | [diff] [blame] | 305 | |
Jeff Brown | 28cbf4b | 2010-12-13 10:33:20 -0800 | [diff] [blame] | 306 | metaState = KeyEvent.normalizeMetaState(metaState); |
Jeff Brown | 6b53e8d | 2010-11-10 16:03:06 -0800 | [diff] [blame] | 307 | return nativeGetMatch(mPtr, keyCode, chars, metaState); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 308 | } |
| 309 | |
| 310 | /** |
Jeff Brown | 6b53e8d | 2010-11-10 16:03:06 -0800 | [diff] [blame] | 311 | * Gets the primary character for this key. |
| 312 | * In other words, the label that is physically printed on it. |
| 313 | * |
| 314 | * @param keyCode The key code. |
| 315 | * @return The display label character, or 0 if none (eg. for non-printing keys). |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 316 | */ |
Jeff Brown | 6b53e8d | 2010-11-10 16:03:06 -0800 | [diff] [blame] | 317 | public char getDisplayLabel(int keyCode) { |
| 318 | return nativeGetDisplayLabel(mPtr, keyCode); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 319 | } |
| 320 | |
| 321 | /** |
Jeff Brown | 6b53e8d | 2010-11-10 16:03:06 -0800 | [diff] [blame] | 322 | * Get the character that is produced by putting accent on the character c. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 323 | * For example, getDeadChar('`', 'e') returns è. |
Jeff Brown | 6b53e8d | 2010-11-10 16:03:06 -0800 | [diff] [blame] | 324 | * |
| 325 | * @param accent The accent character. eg. '`' |
| 326 | * @param c The basic character. |
| 327 | * @return The combined character, or 0 if the characters cannot be combined. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 328 | */ |
Jeff Brown | 6b53e8d | 2010-11-10 16:03:06 -0800 | [diff] [blame] | 329 | public static int getDeadChar(int accent, int c) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 330 | return DEAD.get((accent << 16) | c); |
| 331 | } |
| 332 | |
Jeff Brown | 6b53e8d | 2010-11-10 16:03:06 -0800 | [diff] [blame] | 333 | /** |
| 334 | * Describes the character mappings associated with a key. |
| 335 | * |
| 336 | * @deprecated instead use {@link KeyCharacterMap#getDisplayLabel(int)}, |
| 337 | * {@link KeyCharacterMap#getNumber(int)} and {@link KeyCharacterMap#get(int, int)}. |
| 338 | */ |
| 339 | @Deprecated |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 340 | public static class KeyData { |
| 341 | public static final int META_LENGTH = 4; |
| 342 | |
| 343 | /** |
| 344 | * The display label (see {@link #getDisplayLabel}). |
| 345 | */ |
| 346 | public char displayLabel; |
| 347 | /** |
| 348 | * The "number" value (see {@link #getNumber}). |
| 349 | */ |
| 350 | public char number; |
| 351 | /** |
| 352 | * The character that will be generated in various meta states |
| 353 | * (the same ones used for {@link #get} and defined as |
| 354 | * {@link KeyEvent#META_SHIFT_ON} and {@link KeyEvent#META_ALT_ON}). |
| 355 | * <table> |
| 356 | * <tr><th>Index</th><th align="left">Value</th></tr> |
| 357 | * <tr><td>0</td><td>no modifiers</td></tr> |
| 358 | * <tr><td>1</td><td>caps</td></tr> |
| 359 | * <tr><td>2</td><td>alt</td></tr> |
| 360 | * <tr><td>3</td><td>caps + alt</td></tr> |
| 361 | * </table> |
| 362 | */ |
| 363 | public char[] meta = new char[META_LENGTH]; |
| 364 | } |
Jeff Brown | 6b53e8d | 2010-11-10 16:03:06 -0800 | [diff] [blame] | 365 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 366 | /** |
Jeff Brown | 6b53e8d | 2010-11-10 16:03:06 -0800 | [diff] [blame] | 367 | * Get the character conversion data for a given key code. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 368 | * |
Jeff Brown | 6b53e8d | 2010-11-10 16:03:06 -0800 | [diff] [blame] | 369 | * @param keyCode The keyCode to query. |
| 370 | * @param results A {@link KeyData} instance that will be filled with the results. |
| 371 | * @return True if the key was mapped. If the key was not mapped, results is not modified. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 372 | * |
Jeff Brown | 6b53e8d | 2010-11-10 16:03:06 -0800 | [diff] [blame] | 373 | * @deprecated instead use {@link KeyCharacterMap#getDisplayLabel(int)}, |
| 374 | * {@link KeyCharacterMap#getNumber(int)} or {@link KeyCharacterMap#get(int, int)}. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 375 | */ |
Jeff Brown | 6b53e8d | 2010-11-10 16:03:06 -0800 | [diff] [blame] | 376 | @Deprecated |
| 377 | public boolean getKeyData(int keyCode, KeyData results) { |
| 378 | if (results.meta.length < KeyData.META_LENGTH) { |
| 379 | throw new IndexOutOfBoundsException( |
| 380 | "results.meta.length must be >= " + KeyData.META_LENGTH); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 381 | } |
Jeff Brown | 6b53e8d | 2010-11-10 16:03:06 -0800 | [diff] [blame] | 382 | |
| 383 | char displayLabel = nativeGetDisplayLabel(mPtr, keyCode); |
| 384 | if (displayLabel == 0) { |
| 385 | return false; |
| 386 | } |
| 387 | |
| 388 | results.displayLabel = displayLabel; |
| 389 | results.number = nativeGetNumber(mPtr, keyCode); |
| 390 | results.meta[0] = nativeGetCharacter(mPtr, keyCode, 0); |
| 391 | results.meta[1] = nativeGetCharacter(mPtr, keyCode, KeyEvent.META_SHIFT_ON); |
| 392 | results.meta[2] = nativeGetCharacter(mPtr, keyCode, KeyEvent.META_ALT_ON); |
| 393 | results.meta[3] = nativeGetCharacter(mPtr, keyCode, |
| 394 | KeyEvent.META_ALT_ON | KeyEvent.META_SHIFT_ON); |
| 395 | return true; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 396 | } |
| 397 | |
| 398 | /** |
| 399 | * Get an array of KeyEvent objects that if put into the input stream |
| 400 | * could plausibly generate the provided sequence of characters. It is |
| 401 | * not guaranteed that the sequence is the only way to generate these |
| 402 | * events or that it is optimal. |
Jeff Brown | 6b53e8d | 2010-11-10 16:03:06 -0800 | [diff] [blame] | 403 | * <p> |
| 404 | * This function is primarily offered for instrumentation and testing purposes. |
| 405 | * It may fail to map characters to key codes. In particular, the key character |
| 406 | * map for the {@link #BUILT_IN_KEYBOARD built-in keyboard} device id may be empty. |
| 407 | * Consider using the key character map associated with the |
| 408 | * {@link #VIRTUAL_KEYBOARD virtual keyboard} device id instead. |
| 409 | * </p><p> |
| 410 | * For robust text entry, do not use this function. Instead construct a |
| 411 | * {@link KeyEvent} with action code {@link KeyEvent#ACTION_MULTIPLE} that contains |
| 412 | * the desired string using {@link KeyEvent#KeyEvent(long, String, int, int)}. |
| 413 | * </p> |
| 414 | * |
| 415 | * @param chars The sequence of characters to generate. |
| 416 | * @return An array of {@link KeyEvent} objects, or null if the given char array |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 417 | * can not be generated using the current key character map. |
| 418 | */ |
Jeff Brown | 6b53e8d | 2010-11-10 16:03:06 -0800 | [diff] [blame] | 419 | public KeyEvent[] getEvents(char[] chars) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 420 | if (chars == null) { |
Jeff Brown | 6b53e8d | 2010-11-10 16:03:06 -0800 | [diff] [blame] | 421 | throw new IllegalArgumentException("chars must not be null."); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 422 | } |
Jeff Brown | 6b53e8d | 2010-11-10 16:03:06 -0800 | [diff] [blame] | 423 | return nativeGetEvents(mPtr, mDeviceId, chars); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 424 | } |
| 425 | |
| 426 | /** |
Jeff Brown | 6b53e8d | 2010-11-10 16:03:06 -0800 | [diff] [blame] | 427 | * Returns true if the specified key produces a glyph. |
| 428 | * |
| 429 | * @param keyCode The key code. |
| 430 | * @return True if the key is a printing key. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 431 | */ |
Jeff Brown | 6b53e8d | 2010-11-10 16:03:06 -0800 | [diff] [blame] | 432 | public boolean isPrintingKey(int keyCode) { |
| 433 | int type = Character.getType(nativeGetDisplayLabel(mPtr, keyCode)); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 434 | |
| 435 | switch (type) |
| 436 | { |
| 437 | case Character.SPACE_SEPARATOR: |
| 438 | case Character.LINE_SEPARATOR: |
| 439 | case Character.PARAGRAPH_SEPARATOR: |
| 440 | case Character.CONTROL: |
| 441 | case Character.FORMAT: |
| 442 | return false; |
| 443 | default: |
| 444 | return true; |
| 445 | } |
| 446 | } |
| 447 | |
Jeff Brown | 6b53e8d | 2010-11-10 16:03:06 -0800 | [diff] [blame] | 448 | /** |
| 449 | * Gets the keyboard type. |
| 450 | * Returns {@link #NUMERIC}, {@link #PREDICTIVE}, {@link #ALPHA} or {@link #FULL}. |
| 451 | * <p> |
| 452 | * Different keyboard types have different semantics. Refer to the documentation |
| 453 | * associated with the keyboard type constants for details. |
| 454 | * </p> |
| 455 | * |
| 456 | * @return The keyboard type. |
| 457 | */ |
| 458 | public int getKeyboardType() { |
| 459 | return nativeGetKeyboardType(mPtr); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 460 | } |
| 461 | |
| 462 | /** |
Jeff Brown | 6b53e8d | 2010-11-10 16:03:06 -0800 | [diff] [blame] | 463 | * Gets a constant that describes the behavior of this keyboard's modifier keys |
| 464 | * such as {@link KeyEvent#KEYCODE_SHIFT_LEFT}. |
| 465 | * <p> |
| 466 | * Currently there are two behaviors that may be combined: |
| 467 | * </p> |
| 468 | * <ul> |
| 469 | * <li>Chorded behavior: When the modifier key is pressed together with one or more |
| 470 | * character keys, the keyboard inserts the modified keys and |
| 471 | * then resets the modifier state when the modifier key is released.</li> |
| 472 | * <li>Toggled behavior: When the modifier key is pressed and released on its own |
| 473 | * it first toggles into a latched state. When latched, the modifier will apply |
| 474 | * to next character key that is pressed and will then reset itself to the initial state. |
| 475 | * If the modifier is already latched and the modifier key is pressed and release on |
| 476 | * its own again, then it toggles into a locked state. When locked, the modifier will |
| 477 | * apply to all subsequent character keys that are pressed until unlocked by pressing |
| 478 | * the modifier key on its own one more time to reset it to the initial state. |
| 479 | * Toggled behavior is useful for small profile keyboards designed for thumb typing. |
| 480 | * </ul> |
| 481 | * <p> |
| 482 | * This function currently returns {@link #MODIFIER_BEHAVIOR_CHORDED} when the |
| 483 | * {@link #getKeyboardType() keyboard type} is {@link #FULL} or {@link #SPECIAL_FUNCTION} and |
| 484 | * {@link #MODIFIER_BEHAVIOR_CHORDED_OR_TOGGLED} otherwise. |
| 485 | * In the future, the function may also take into account global keyboard |
| 486 | * accessibility settings, other user preferences, or new device capabilities. |
| 487 | * </p> |
| 488 | * |
| 489 | * @return The modifier behavior for this keyboard. |
| 490 | * |
| 491 | * @see {@link #MODIFIER_BEHAVIOR_CHORDED} |
| 492 | * @see {@link #MODIFIER_BEHAVIOR_CHORDED_OR_TOGGLED} |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 493 | */ |
Jeff Brown | 6b53e8d | 2010-11-10 16:03:06 -0800 | [diff] [blame] | 494 | public int getModifierBehavior() { |
| 495 | switch (getKeyboardType()) { |
| 496 | case FULL: |
| 497 | case SPECIAL_FUNCTION: |
| 498 | return MODIFIER_BEHAVIOR_CHORDED; |
| 499 | default: |
| 500 | return MODIFIER_BEHAVIOR_CHORDED_OR_TOGGLED; |
| 501 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 502 | } |
| 503 | |
| 504 | /** |
| 505 | * Queries the framework about whether any physical keys exist on the |
Jeff Brown | 6b53e8d | 2010-11-10 16:03:06 -0800 | [diff] [blame] | 506 | * any keyboard attached to the device that are capable of producing the given key code. |
| 507 | * |
| 508 | * @param keyCode The key code to query. |
| 509 | * @return True if at least one attached keyboard supports the specified key code. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 510 | */ |
| 511 | public static boolean deviceHasKey(int keyCode) { |
| 512 | int[] codeArray = new int[1]; |
| 513 | codeArray[0] = keyCode; |
| 514 | boolean[] ret = deviceHasKeys(codeArray); |
| 515 | return ret[0]; |
| 516 | } |
Jeff Brown | 6b53e8d | 2010-11-10 16:03:06 -0800 | [diff] [blame] | 517 | |
| 518 | /** |
| 519 | * Queries the framework about whether any physical keys exist on the |
| 520 | * any keyboard attached to the device that are capable of producing the given |
| 521 | * array of key codes. |
| 522 | * |
| 523 | * @param keyCodes The array of key codes to query. |
| 524 | * @return A new array of the same size as the key codes array whose elements |
| 525 | * are set to true if at least one attached keyboard supports the corresponding key code |
| 526 | * at the same index in the key codes array. |
| 527 | */ |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 528 | public static boolean[] deviceHasKeys(int[] keyCodes) { |
| 529 | boolean[] ret = new boolean[keyCodes.length]; |
Dianne Hackborn | 44bc17c | 2011-04-20 18:18:51 -0700 | [diff] [blame] | 530 | IWindowManager wm = Display.getWindowManager(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 531 | try { |
| 532 | wm.hasKeys(keyCodes, ret); |
| 533 | } catch (RemoteException e) { |
| 534 | // no fallback; just return the empty array |
| 535 | } |
| 536 | return ret; |
| 537 | } |
| 538 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 539 | /** |
| 540 | * Maps Unicode combining diacritical to display-form dead key |
| 541 | * (display character shifted left 16 bits). |
| 542 | */ |
| 543 | private static SparseIntArray COMBINING = new SparseIntArray(); |
| 544 | |
| 545 | /** |
| 546 | * Maps combinations of (display-form) dead key and second character |
| 547 | * to combined output character. |
| 548 | */ |
| 549 | private static SparseIntArray DEAD = new SparseIntArray(); |
| 550 | |
| 551 | /* |
| 552 | * TODO: Change the table format to support full 21-bit-wide |
Jeff Brown | 6b53e8d | 2010-11-10 16:03:06 -0800 | [diff] [blame] | 553 | * accent characters and combined characters if ever necessary. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 554 | */ |
| 555 | private static final int ACUTE = '\u00B4' << 16; |
| 556 | private static final int GRAVE = '`' << 16; |
| 557 | private static final int CIRCUMFLEX = '^' << 16; |
| 558 | private static final int TILDE = '~' << 16; |
| 559 | private static final int UMLAUT = '\u00A8' << 16; |
| 560 | |
| 561 | /* |
| 562 | * This bit will be set in the return value of {@link #get(int, int)} if the |
| 563 | * key is a "dead key." |
| 564 | */ |
| 565 | public static final int COMBINING_ACCENT = 0x80000000; |
| 566 | /** |
| 567 | * Mask the return value from {@link #get(int, int)} with this value to get |
| 568 | * a printable representation of the accent character of a "dead key." |
| 569 | */ |
| 570 | public static final int COMBINING_ACCENT_MASK = 0x7FFFFFFF; |
| 571 | |
| 572 | static { |
| 573 | COMBINING.put('\u0300', (GRAVE >> 16) | COMBINING_ACCENT); |
| 574 | COMBINING.put('\u0301', (ACUTE >> 16) | COMBINING_ACCENT); |
| 575 | COMBINING.put('\u0302', (CIRCUMFLEX >> 16) | COMBINING_ACCENT); |
| 576 | COMBINING.put('\u0303', (TILDE >> 16) | COMBINING_ACCENT); |
| 577 | COMBINING.put('\u0308', (UMLAUT >> 16) | COMBINING_ACCENT); |
| 578 | |
| 579 | DEAD.put(ACUTE | 'A', '\u00C1'); |
| 580 | DEAD.put(ACUTE | 'C', '\u0106'); |
| 581 | DEAD.put(ACUTE | 'E', '\u00C9'); |
| 582 | DEAD.put(ACUTE | 'G', '\u01F4'); |
| 583 | DEAD.put(ACUTE | 'I', '\u00CD'); |
| 584 | DEAD.put(ACUTE | 'K', '\u1E30'); |
| 585 | DEAD.put(ACUTE | 'L', '\u0139'); |
| 586 | DEAD.put(ACUTE | 'M', '\u1E3E'); |
| 587 | DEAD.put(ACUTE | 'N', '\u0143'); |
| 588 | DEAD.put(ACUTE | 'O', '\u00D3'); |
| 589 | DEAD.put(ACUTE | 'P', '\u1E54'); |
| 590 | DEAD.put(ACUTE | 'R', '\u0154'); |
| 591 | DEAD.put(ACUTE | 'S', '\u015A'); |
| 592 | DEAD.put(ACUTE | 'U', '\u00DA'); |
| 593 | DEAD.put(ACUTE | 'W', '\u1E82'); |
| 594 | DEAD.put(ACUTE | 'Y', '\u00DD'); |
| 595 | DEAD.put(ACUTE | 'Z', '\u0179'); |
| 596 | DEAD.put(ACUTE | 'a', '\u00E1'); |
| 597 | DEAD.put(ACUTE | 'c', '\u0107'); |
| 598 | DEAD.put(ACUTE | 'e', '\u00E9'); |
| 599 | DEAD.put(ACUTE | 'g', '\u01F5'); |
| 600 | DEAD.put(ACUTE | 'i', '\u00ED'); |
| 601 | DEAD.put(ACUTE | 'k', '\u1E31'); |
| 602 | DEAD.put(ACUTE | 'l', '\u013A'); |
| 603 | DEAD.put(ACUTE | 'm', '\u1E3F'); |
| 604 | DEAD.put(ACUTE | 'n', '\u0144'); |
| 605 | DEAD.put(ACUTE | 'o', '\u00F3'); |
| 606 | DEAD.put(ACUTE | 'p', '\u1E55'); |
| 607 | DEAD.put(ACUTE | 'r', '\u0155'); |
| 608 | DEAD.put(ACUTE | 's', '\u015B'); |
| 609 | DEAD.put(ACUTE | 'u', '\u00FA'); |
| 610 | DEAD.put(ACUTE | 'w', '\u1E83'); |
| 611 | DEAD.put(ACUTE | 'y', '\u00FD'); |
| 612 | DEAD.put(ACUTE | 'z', '\u017A'); |
| 613 | DEAD.put(CIRCUMFLEX | 'A', '\u00C2'); |
| 614 | DEAD.put(CIRCUMFLEX | 'C', '\u0108'); |
| 615 | DEAD.put(CIRCUMFLEX | 'E', '\u00CA'); |
| 616 | DEAD.put(CIRCUMFLEX | 'G', '\u011C'); |
| 617 | DEAD.put(CIRCUMFLEX | 'H', '\u0124'); |
| 618 | DEAD.put(CIRCUMFLEX | 'I', '\u00CE'); |
| 619 | DEAD.put(CIRCUMFLEX | 'J', '\u0134'); |
| 620 | DEAD.put(CIRCUMFLEX | 'O', '\u00D4'); |
| 621 | DEAD.put(CIRCUMFLEX | 'S', '\u015C'); |
| 622 | DEAD.put(CIRCUMFLEX | 'U', '\u00DB'); |
| 623 | DEAD.put(CIRCUMFLEX | 'W', '\u0174'); |
| 624 | DEAD.put(CIRCUMFLEX | 'Y', '\u0176'); |
| 625 | DEAD.put(CIRCUMFLEX | 'Z', '\u1E90'); |
| 626 | DEAD.put(CIRCUMFLEX | 'a', '\u00E2'); |
| 627 | DEAD.put(CIRCUMFLEX | 'c', '\u0109'); |
| 628 | DEAD.put(CIRCUMFLEX | 'e', '\u00EA'); |
| 629 | DEAD.put(CIRCUMFLEX | 'g', '\u011D'); |
| 630 | DEAD.put(CIRCUMFLEX | 'h', '\u0125'); |
| 631 | DEAD.put(CIRCUMFLEX | 'i', '\u00EE'); |
| 632 | DEAD.put(CIRCUMFLEX | 'j', '\u0135'); |
| 633 | DEAD.put(CIRCUMFLEX | 'o', '\u00F4'); |
| 634 | DEAD.put(CIRCUMFLEX | 's', '\u015D'); |
| 635 | DEAD.put(CIRCUMFLEX | 'u', '\u00FB'); |
| 636 | DEAD.put(CIRCUMFLEX | 'w', '\u0175'); |
| 637 | DEAD.put(CIRCUMFLEX | 'y', '\u0177'); |
| 638 | DEAD.put(CIRCUMFLEX | 'z', '\u1E91'); |
| 639 | DEAD.put(GRAVE | 'A', '\u00C0'); |
| 640 | DEAD.put(GRAVE | 'E', '\u00C8'); |
| 641 | DEAD.put(GRAVE | 'I', '\u00CC'); |
| 642 | DEAD.put(GRAVE | 'N', '\u01F8'); |
| 643 | DEAD.put(GRAVE | 'O', '\u00D2'); |
| 644 | DEAD.put(GRAVE | 'U', '\u00D9'); |
| 645 | DEAD.put(GRAVE | 'W', '\u1E80'); |
| 646 | DEAD.put(GRAVE | 'Y', '\u1EF2'); |
| 647 | DEAD.put(GRAVE | 'a', '\u00E0'); |
| 648 | DEAD.put(GRAVE | 'e', '\u00E8'); |
| 649 | DEAD.put(GRAVE | 'i', '\u00EC'); |
| 650 | DEAD.put(GRAVE | 'n', '\u01F9'); |
| 651 | DEAD.put(GRAVE | 'o', '\u00F2'); |
| 652 | DEAD.put(GRAVE | 'u', '\u00F9'); |
| 653 | DEAD.put(GRAVE | 'w', '\u1E81'); |
| 654 | DEAD.put(GRAVE | 'y', '\u1EF3'); |
| 655 | DEAD.put(TILDE | 'A', '\u00C3'); |
| 656 | DEAD.put(TILDE | 'E', '\u1EBC'); |
| 657 | DEAD.put(TILDE | 'I', '\u0128'); |
| 658 | DEAD.put(TILDE | 'N', '\u00D1'); |
| 659 | DEAD.put(TILDE | 'O', '\u00D5'); |
| 660 | DEAD.put(TILDE | 'U', '\u0168'); |
| 661 | DEAD.put(TILDE | 'V', '\u1E7C'); |
| 662 | DEAD.put(TILDE | 'Y', '\u1EF8'); |
| 663 | DEAD.put(TILDE | 'a', '\u00E3'); |
| 664 | DEAD.put(TILDE | 'e', '\u1EBD'); |
| 665 | DEAD.put(TILDE | 'i', '\u0129'); |
| 666 | DEAD.put(TILDE | 'n', '\u00F1'); |
| 667 | DEAD.put(TILDE | 'o', '\u00F5'); |
| 668 | DEAD.put(TILDE | 'u', '\u0169'); |
| 669 | DEAD.put(TILDE | 'v', '\u1E7D'); |
| 670 | DEAD.put(TILDE | 'y', '\u1EF9'); |
| 671 | DEAD.put(UMLAUT | 'A', '\u00C4'); |
| 672 | DEAD.put(UMLAUT | 'E', '\u00CB'); |
| 673 | DEAD.put(UMLAUT | 'H', '\u1E26'); |
| 674 | DEAD.put(UMLAUT | 'I', '\u00CF'); |
| 675 | DEAD.put(UMLAUT | 'O', '\u00D6'); |
| 676 | DEAD.put(UMLAUT | 'U', '\u00DC'); |
| 677 | DEAD.put(UMLAUT | 'W', '\u1E84'); |
| 678 | DEAD.put(UMLAUT | 'X', '\u1E8C'); |
| 679 | DEAD.put(UMLAUT | 'Y', '\u0178'); |
| 680 | DEAD.put(UMLAUT | 'a', '\u00E4'); |
| 681 | DEAD.put(UMLAUT | 'e', '\u00EB'); |
| 682 | DEAD.put(UMLAUT | 'h', '\u1E27'); |
| 683 | DEAD.put(UMLAUT | 'i', '\u00EF'); |
| 684 | DEAD.put(UMLAUT | 'o', '\u00F6'); |
| 685 | DEAD.put(UMLAUT | 't', '\u1E97'); |
| 686 | DEAD.put(UMLAUT | 'u', '\u00FC'); |
| 687 | DEAD.put(UMLAUT | 'w', '\u1E85'); |
| 688 | DEAD.put(UMLAUT | 'x', '\u1E8D'); |
| 689 | DEAD.put(UMLAUT | 'y', '\u00FF'); |
| 690 | } |
Jeff Brown | 6b53e8d | 2010-11-10 16:03:06 -0800 | [diff] [blame] | 691 | |
| 692 | /** |
| 693 | * Thrown by {@link KeyCharacterMap#load} when a key character map could not be loaded. |
| 694 | */ |
Jeff Brown | 7e1e21f | 2011-01-19 17:05:01 -0800 | [diff] [blame] | 695 | public static class UnavailableException extends AndroidRuntimeException { |
| 696 | public UnavailableException(String msg) { |
Jeff Brown | 6b53e8d | 2010-11-10 16:03:06 -0800 | [diff] [blame] | 697 | super(msg); |
| 698 | } |
| 699 | } |
Jeff Brown | 49ed71d | 2010-12-06 17:13:33 -0800 | [diff] [blame] | 700 | |
| 701 | /** |
| 702 | * Specifies a substitute key code and meta state as a fallback action |
| 703 | * for an unhandled key. |
| 704 | * @hide |
| 705 | */ |
| 706 | public static final class FallbackAction { |
| 707 | public int keyCode; |
| 708 | public int metaState; |
| 709 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 710 | } |