Kevin Chyn | a56dff7 | 2018-06-19 18:41:12 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2018 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.hardware.biometrics; |
| 18 | |
Kevin Chyn | 45d1f9d | 2019-02-07 13:38:04 -0800 | [diff] [blame] | 19 | import android.app.KeyguardManager; |
Kevin Chyn | a56dff7 | 2018-06-19 18:41:12 -0700 | [diff] [blame] | 20 | import android.hardware.face.FaceManager; |
| 21 | |
| 22 | /** |
| 23 | * Interface containing all of the face-specific constants. |
Kevin Chyn | 91e7a3d | 2018-04-12 12:42:24 -0700 | [diff] [blame] | 24 | * |
| 25 | * NOTE: The error messages must be consistent between BiometricConstants, Biometric*Constants, |
| 26 | * and the frameworks/support/biometric/.../BiometricConstants files. |
| 27 | * |
Kevin Chyn | a56dff7 | 2018-06-19 18:41:12 -0700 | [diff] [blame] | 28 | * @hide |
| 29 | */ |
| 30 | public interface BiometricFaceConstants { |
| 31 | // |
Kevin Chyn | 1f16c2d | 2018-12-07 13:06:08 -0800 | [diff] [blame] | 32 | // Accessibility constants |
| 33 | // |
| 34 | /** |
| 35 | * Require the user to look at the device during enrollment and |
| 36 | * authentication. Note this is to accommodate people who have limited |
| 37 | * vision. |
| 38 | */ |
| 39 | public static final int FEATURE_REQUIRE_ATTENTION = 1; |
| 40 | /** |
| 41 | * Require a diverse set of poses during enrollment. Note this is to |
| 42 | * accommodate people with limited mobility. |
| 43 | */ |
| 44 | public static final int FEATURE_REQUIRE_REQUIRE_DIVERSITY = 2; |
| 45 | |
| 46 | // |
Kevin Chyn | a56dff7 | 2018-06-19 18:41:12 -0700 | [diff] [blame] | 47 | // Error messages from face authentication hardware during initialization, enrollment, |
| 48 | // authentication or removal. Must agree with the list in HAL h file |
| 49 | // |
| 50 | /** |
| 51 | * The hardware is unavailable. Try again later. |
| 52 | */ |
| 53 | public static final int FACE_ERROR_HW_UNAVAILABLE = 1; |
Kevin Chyn | 91e7a3d | 2018-04-12 12:42:24 -0700 | [diff] [blame] | 54 | |
Kevin Chyn | a56dff7 | 2018-06-19 18:41:12 -0700 | [diff] [blame] | 55 | /** |
| 56 | * Error state returned when the sensor was unable to process the current image. |
| 57 | */ |
| 58 | public static final int FACE_ERROR_UNABLE_TO_PROCESS = 2; |
Kevin Chyn | 91e7a3d | 2018-04-12 12:42:24 -0700 | [diff] [blame] | 59 | |
Kevin Chyn | a56dff7 | 2018-06-19 18:41:12 -0700 | [diff] [blame] | 60 | /** |
| 61 | * Error state returned when the current request has been running too long. This is intended to |
| 62 | * prevent programs from waiting for the face authentication sensor indefinitely. The timeout is |
| 63 | * platform and sensor-specific, but is generally on the order of 30 seconds. |
| 64 | */ |
| 65 | public static final int FACE_ERROR_TIMEOUT = 3; |
Kevin Chyn | 91e7a3d | 2018-04-12 12:42:24 -0700 | [diff] [blame] | 66 | |
Kevin Chyn | a56dff7 | 2018-06-19 18:41:12 -0700 | [diff] [blame] | 67 | /** |
| 68 | * Error state returned for operations like enrollment; the operation cannot be completed |
| 69 | * because there's not enough storage remaining to complete the operation. |
| 70 | */ |
| 71 | public static final int FACE_ERROR_NO_SPACE = 4; |
Kevin Chyn | 91e7a3d | 2018-04-12 12:42:24 -0700 | [diff] [blame] | 72 | |
Kevin Chyn | a56dff7 | 2018-06-19 18:41:12 -0700 | [diff] [blame] | 73 | /** |
| 74 | * The operation was canceled because the face authentication sensor is unavailable. For |
| 75 | * example, this may happen when the user is switched, the device is locked or another pending |
| 76 | * operation prevents or disables it. |
| 77 | */ |
| 78 | public static final int FACE_ERROR_CANCELED = 5; |
Kevin Chyn | 91e7a3d | 2018-04-12 12:42:24 -0700 | [diff] [blame] | 79 | |
Kevin Chyn | a56dff7 | 2018-06-19 18:41:12 -0700 | [diff] [blame] | 80 | /** |
| 81 | * The {@link FaceManager#remove} call failed. Typically this will happen when the |
| 82 | * provided face id was incorrect. |
| 83 | * |
| 84 | * @hide |
| 85 | */ |
| 86 | public static final int FACE_ERROR_UNABLE_TO_REMOVE = 6; |
Kevin Chyn | 91e7a3d | 2018-04-12 12:42:24 -0700 | [diff] [blame] | 87 | |
Kevin Chyn | a56dff7 | 2018-06-19 18:41:12 -0700 | [diff] [blame] | 88 | /** |
| 89 | * The operation was canceled because the API is locked out due to too many attempts. |
| 90 | * This occurs after 5 failed attempts, and lasts for 30 seconds. |
| 91 | */ |
| 92 | public static final int FACE_ERROR_LOCKOUT = 7; |
Kevin Chyn | 91e7a3d | 2018-04-12 12:42:24 -0700 | [diff] [blame] | 93 | |
Kevin Chyn | a56dff7 | 2018-06-19 18:41:12 -0700 | [diff] [blame] | 94 | /** |
| 95 | * Hardware vendors may extend this list if there are conditions that do not fall under one of |
| 96 | * the above categories. Vendors are responsible for providing error strings for these errors. |
| 97 | * These messages are typically reserved for internal operations such as enrollment, but may be |
| 98 | * used to express vendor errors not covered by the ones in HAL h file. Applications are |
| 99 | * expected to show the error message string if they happen, but are advised not to rely on the |
| 100 | * message id since they will be device and vendor-specific |
| 101 | */ |
| 102 | public static final int FACE_ERROR_VENDOR = 8; |
| 103 | |
| 104 | /** |
| 105 | * The operation was canceled because FACE_ERROR_LOCKOUT occurred too many times. |
| 106 | * Face authentication is disabled until the user unlocks with strong authentication |
| 107 | * (PIN/Pattern/Password) |
| 108 | */ |
| 109 | public static final int FACE_ERROR_LOCKOUT_PERMANENT = 9; |
Kevin Chyn | 91e7a3d | 2018-04-12 12:42:24 -0700 | [diff] [blame] | 110 | |
Kevin Chyn | a56dff7 | 2018-06-19 18:41:12 -0700 | [diff] [blame] | 111 | /** |
| 112 | * The user canceled the operation. Upon receiving this, applications should use alternate |
| 113 | * authentication (e.g. a password). The application should also provide the means to return |
| 114 | * to face authentication, such as a "use face authentication" button. |
| 115 | */ |
| 116 | public static final int FACE_ERROR_USER_CANCELED = 10; |
Kevin Chyn | 91e7a3d | 2018-04-12 12:42:24 -0700 | [diff] [blame] | 117 | |
Kevin Chyn | a56dff7 | 2018-06-19 18:41:12 -0700 | [diff] [blame] | 118 | /** |
| 119 | * The user does not have a face enrolled. |
| 120 | */ |
| 121 | public static final int FACE_ERROR_NOT_ENROLLED = 11; |
Kevin Chyn | 91e7a3d | 2018-04-12 12:42:24 -0700 | [diff] [blame] | 122 | |
Kevin Chyn | a56dff7 | 2018-06-19 18:41:12 -0700 | [diff] [blame] | 123 | /** |
| 124 | * The device does not have a face sensor. This message will propagate if the calling app |
| 125 | * ignores the result from PackageManager.hasFeature(FEATURE_FACE) and calls |
| 126 | * this API anyway. Apps should always check for the feature before calling this API. |
| 127 | */ |
| 128 | public static final int FACE_ERROR_HW_NOT_PRESENT = 12; |
Kevin Chyn | 91e7a3d | 2018-04-12 12:42:24 -0700 | [diff] [blame] | 129 | |
| 130 | /** |
| 131 | * The user pressed the negative button. This is a placeholder that is currently only used |
| 132 | * by the support library. |
| 133 | * @hide |
| 134 | */ |
| 135 | public static final int FACE_ERROR_NEGATIVE_BUTTON = 13; |
| 136 | |
Kevin Chyn | a56dff7 | 2018-06-19 18:41:12 -0700 | [diff] [blame] | 137 | /** |
Kevin Chyn | 45d1f9d | 2019-02-07 13:38:04 -0800 | [diff] [blame] | 138 | * The device does not have pin, pattern, or password set up. See |
| 139 | * {@link BiometricPrompt.Builder#setAllowDeviceCredential(boolean)} and |
| 140 | * {@link KeyguardManager#isDeviceSecure()} |
| 141 | */ |
| 142 | public static final int BIOMETRIC_ERROR_NO_DEVICE_CREDENTIAL = 14; |
| 143 | |
| 144 | /** |
Kevin Chyn | a56dff7 | 2018-06-19 18:41:12 -0700 | [diff] [blame] | 145 | * @hide |
| 146 | */ |
| 147 | public static final int FACE_ERROR_VENDOR_BASE = 1000; |
| 148 | |
| 149 | // |
| 150 | // Image acquisition messages. These will not be sent to the user, since they conflict with |
| 151 | // existing constants. These must agree with face@1.0/types.hal. |
| 152 | // |
| 153 | |
| 154 | /** |
| 155 | * The image acquired was good. |
| 156 | */ |
| 157 | public static final int FACE_ACQUIRED_GOOD = 0; |
| 158 | |
| 159 | /** |
| 160 | * The face image was not good enough to process due to a detected condition. |
| 161 | * (See {@link #FACE_ACQUIRED_TOO_BRIGHT or @link #FACE_ACQUIRED_TOO_DARK}). |
| 162 | */ |
| 163 | public static final int FACE_ACQUIRED_INSUFFICIENT = 1; |
| 164 | |
| 165 | /** |
| 166 | * The face image was too bright due to too much ambient light. |
| 167 | * For example, it's reasonable to return this after multiple |
| 168 | * {@link #FACE_ACQUIRED_INSUFFICIENT} |
| 169 | * The user is expected to take action to retry in better lighting conditions |
| 170 | * when this is returned. |
| 171 | */ |
| 172 | public static final int FACE_ACQUIRED_TOO_BRIGHT = 2; |
| 173 | |
| 174 | /** |
| 175 | * The face image was too dark due to illumination light obscured. |
| 176 | * For example, it's reasonable to return this after multiple |
| 177 | * {@link #FACE_ACQUIRED_INSUFFICIENT} |
| 178 | * The user is expected to take action to retry in better lighting conditions |
| 179 | * when this is returned. |
| 180 | */ |
| 181 | public static final int FACE_ACQUIRED_TOO_DARK = 3; |
| 182 | |
| 183 | /** |
| 184 | * The detected face is too close to the sensor, and the image can't be processed. |
| 185 | * The user should be informed to move farther from the sensor when this is returned. |
| 186 | */ |
| 187 | public static final int FACE_ACQUIRED_TOO_CLOSE = 4; |
| 188 | |
| 189 | /** |
| 190 | * The detected face is too small, as the user might be too far from the sensor. |
| 191 | * The user should be informed to move closer to the sensor when this is returned. |
| 192 | */ |
| 193 | public static final int FACE_ACQUIRED_TOO_FAR = 5; |
| 194 | |
| 195 | /** |
| 196 | * Only the upper part of the face was detected. The sensor field of view is too high. |
| 197 | * The user should be informed to move up with respect to the sensor when this is returned. |
| 198 | */ |
| 199 | public static final int FACE_ACQUIRED_TOO_HIGH = 6; |
| 200 | |
| 201 | /** |
| 202 | * Only the lower part of the face was detected. The sensor field of view is too low. |
| 203 | * The user should be informed to move down with respect to the sensor when this is returned. |
| 204 | */ |
| 205 | public static final int FACE_ACQUIRED_TOO_LOW = 7; |
| 206 | |
| 207 | /** |
| 208 | * Only the right part of the face was detected. The sensor field of view is too far right. |
| 209 | * The user should be informed to move to the right with respect to the sensor |
| 210 | * when this is returned. |
| 211 | */ |
| 212 | public static final int FACE_ACQUIRED_TOO_RIGHT = 8; |
| 213 | |
| 214 | /** |
| 215 | * Only the left part of the face was detected. The sensor field of view is too far left. |
| 216 | * The user should be informed to move to the left with respect to the sensor |
| 217 | * when this is returned. |
| 218 | */ |
| 219 | public static final int FACE_ACQUIRED_TOO_LEFT = 9; |
| 220 | |
| 221 | /** |
| 222 | * The user's eyes have strayed away from the sensor. If this message is sent, the user should |
| 223 | * be informed to look at the device. If the user can't be found in the frame, one of the other |
| 224 | * acquisition messages should be sent, e.g. FACE_ACQUIRED_NOT_DETECTED. |
| 225 | */ |
| 226 | public static final int FACE_ACQUIRED_POOR_GAZE = 10; |
| 227 | |
| 228 | /** |
| 229 | * No face was detected in front of the sensor. |
| 230 | * The user should be informed to point the sensor to a face when this is returned. |
| 231 | */ |
| 232 | public static final int FACE_ACQUIRED_NOT_DETECTED = 11; |
| 233 | |
| 234 | /** |
| 235 | * Too much motion was detected. |
| 236 | * The user should be informed to keep their face steady relative to the |
| 237 | * sensor. |
| 238 | */ |
| 239 | public static final int FACE_ACQUIRED_TOO_MUCH_MOTION = 12; |
| 240 | |
| 241 | /** |
| 242 | * The sensor needs to be re-calibrated. This is an unexpected condition, and should only be |
| 243 | * sent if a serious, uncorrectable, and unrecoverable calibration issue is detected which |
| 244 | * requires user intervention, e.g. re-enrolling. The expected response to this message is to |
| 245 | * direct the user to re-enroll. |
| 246 | */ |
| 247 | public static final int FACE_ACQUIRED_RECALIBRATE = 13; |
| 248 | |
| 249 | /** |
Kevin Chyn | f2aa603 | 2018-10-25 10:52:16 -0700 | [diff] [blame] | 250 | * The face is too different from a previous acquisition. This condition |
| 251 | * only applies to enrollment. This can happen if the user passes the |
| 252 | * device to someone else in the middle of enrollment. |
| 253 | */ |
| 254 | public static final int FACE_ACQUIRED_TOO_DIFFERENT = 14; |
| 255 | |
| 256 | /** |
| 257 | * The face is too similar to a previous acquisition. This condition only |
| 258 | * applies to enrollment. The user should change their pose. |
| 259 | */ |
| 260 | public static final int FACE_ACQUIRED_TOO_SIMILAR = 15; |
| 261 | |
| 262 | /** |
Kevin Chyn | 7fbeccc | 2019-01-24 11:20:48 -0800 | [diff] [blame] | 263 | * The magnitude of the pan angle of the user’s face with respect to the sensor’s |
| 264 | * capture plane is too high. |
| 265 | * |
| 266 | * The pan angle is defined as the angle swept out by the user’s face turning |
| 267 | * their neck left and right. The pan angle would be zero if the user faced the |
| 268 | * camera directly. |
| 269 | * |
| 270 | * The user should be informed to look more directly at the camera. |
| 271 | */ |
| 272 | public static final int FACE_ACQUIRED_PAN_TOO_EXTREME = 16; |
| 273 | |
| 274 | /** |
| 275 | * The magnitude of the tilt angle of the user’s face with respect to the sensor’s |
| 276 | * capture plane is too high. |
| 277 | * |
| 278 | * The tilt angle is defined as the angle swept out by the user’s face looking up |
Kevin Chyn | 2446ea7 | 2019-01-31 16:18:43 -0800 | [diff] [blame] | 279 | * and down. The tilt angle would be zero if the user faced the camera directly. |
Kevin Chyn | 7fbeccc | 2019-01-24 11:20:48 -0800 | [diff] [blame] | 280 | * |
| 281 | * The user should be informed to look more directly at the camera. |
| 282 | */ |
| 283 | public static final int FACE_ACQUIRED_TILT_TOO_EXTREME = 17; |
| 284 | |
| 285 | /** |
| 286 | * The magnitude of the roll angle of the user’s face with respect to the sensor’s |
| 287 | * capture plane is too high. |
| 288 | * |
| 289 | * The roll angle is defined as the angle swept out by the user’s face tilting their head |
Kevin Chyn | 2446ea7 | 2019-01-31 16:18:43 -0800 | [diff] [blame] | 290 | * towards their shoulders to the left and right. The roll angle would be zero if the user's |
| 291 | * head is vertically aligned with the camera. |
Kevin Chyn | 7fbeccc | 2019-01-24 11:20:48 -0800 | [diff] [blame] | 292 | * |
| 293 | * The user should be informed to look more directly at the camera. |
| 294 | */ |
| 295 | public static final int FACE_ACQUIRED_ROLL_TOO_EXTREME = 18; |
| 296 | |
| 297 | /** |
| 298 | * The user’s face has been obscured by some object. |
| 299 | * |
| 300 | * The user should be informed to remove any objects from the line of sight from |
| 301 | * the sensor to the user’s face. |
| 302 | */ |
| 303 | public static final int FACE_ACQUIRED_FACE_OBSCURED = 19; |
| 304 | |
| 305 | /** |
Kevin Chyn | aad80b1 | 2019-01-28 12:46:22 -0800 | [diff] [blame] | 306 | * This message represents the earliest message sent at the beginning of the authentication |
| 307 | * pipeline. It is expected to be used to measure latency. For example, in a camera-based |
| 308 | * authentication system it's expected to be sent prior to camera initialization. Note this |
| 309 | * should be sent whenever authentication is restarted (see IBiometricsFace#userActivity). |
| 310 | * The framework will measure latency based on the time between the last START message and the |
| 311 | * onAuthenticated callback. |
| 312 | */ |
| 313 | public static final int FACE_ACQUIRED_START = 20; |
| 314 | |
| 315 | /** |
Kevin Chyn | a56dff7 | 2018-06-19 18:41:12 -0700 | [diff] [blame] | 316 | * Hardware vendors may extend this list if there are conditions that do not fall under one of |
| 317 | * the above categories. Vendors are responsible for providing error strings for these errors. |
| 318 | * |
| 319 | * @hide |
| 320 | */ |
Kevin Chyn | aad80b1 | 2019-01-28 12:46:22 -0800 | [diff] [blame] | 321 | public static final int FACE_ACQUIRED_VENDOR = 21; |
Kevin Chyn | a24e9fd | 2018-08-27 12:39:17 -0700 | [diff] [blame] | 322 | |
Kevin Chyn | a56dff7 | 2018-06-19 18:41:12 -0700 | [diff] [blame] | 323 | /** |
| 324 | * @hide |
| 325 | */ |
| 326 | public static final int FACE_ACQUIRED_VENDOR_BASE = 1000; |
| 327 | } |