Kevin Chyn | 6668256 | 2018-01-25 18:26:46 -0800 | [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 | |
Mathew Inwood | 98e9ad1 | 2018-08-30 13:11:50 +0100 | [diff] [blame] | 19 | import android.annotation.UnsupportedAppUsage; |
Kevin Chyn | 45d1f9d | 2019-02-07 13:38:04 -0800 | [diff] [blame] | 20 | import android.app.KeyguardManager; |
Kevin Chyn | 6668256 | 2018-01-25 18:26:46 -0800 | [diff] [blame] | 21 | import android.hardware.fingerprint.FingerprintManager; |
| 22 | |
| 23 | /** |
| 24 | * Interface containing all of the fingerprint-specific constants. |
Kevin Chyn | 91e7a3d | 2018-04-12 12:42:24 -0700 | [diff] [blame] | 25 | * |
| 26 | * NOTE: The error messages must be consistent between BiometricConstants, Biometric*Constants, |
| 27 | * and the frameworks/support/biometric/.../BiometricConstants files. |
| 28 | * |
Kevin Chyn | 6668256 | 2018-01-25 18:26:46 -0800 | [diff] [blame] | 29 | * @hide |
| 30 | */ |
| 31 | public interface BiometricFingerprintConstants { |
| 32 | // |
| 33 | // Error messages from fingerprint hardware during initilization, enrollment, authentication or |
| 34 | // removal. Must agree with the list in fingerprint.h |
| 35 | // |
| 36 | |
| 37 | /** |
| 38 | * The hardware is unavailable. Try again later. |
| 39 | */ |
| 40 | public static final int FINGERPRINT_ERROR_HW_UNAVAILABLE = 1; |
| 41 | |
| 42 | /** |
| 43 | * Error state returned when the sensor was unable to process the current image. |
| 44 | */ |
| 45 | public static final int FINGERPRINT_ERROR_UNABLE_TO_PROCESS = 2; |
| 46 | |
| 47 | /** |
| 48 | * Error state returned when the current request has been running too long. This is intended to |
| 49 | * prevent programs from waiting for the fingerprint sensor indefinitely. The timeout is |
| 50 | * platform and sensor-specific, but is generally on the order of 30 seconds. |
| 51 | */ |
| 52 | public static final int FINGERPRINT_ERROR_TIMEOUT = 3; |
| 53 | |
| 54 | /** |
| 55 | * Error state returned for operations like enrollment; the operation cannot be completed |
| 56 | * because there's not enough storage remaining to complete the operation. |
| 57 | */ |
| 58 | public static final int FINGERPRINT_ERROR_NO_SPACE = 4; |
| 59 | |
| 60 | /** |
| 61 | * The operation was canceled because the fingerprint sensor is unavailable. For example, |
| 62 | * this may happen when the user is switched, the device is locked or another pending operation |
| 63 | * prevents or disables it. |
| 64 | */ |
| 65 | public static final int FINGERPRINT_ERROR_CANCELED = 5; |
| 66 | |
| 67 | /** |
| 68 | * The {@link FingerprintManager#remove} call failed. Typically this will happen when the |
| 69 | * provided fingerprint id was incorrect. |
| 70 | * |
| 71 | * @hide |
| 72 | */ |
| 73 | public static final int FINGERPRINT_ERROR_UNABLE_TO_REMOVE = 6; |
| 74 | |
| 75 | /** |
| 76 | * The operation was canceled because the API is locked out due to too many attempts. |
| 77 | * This occurs after 5 failed attempts, and lasts for 30 seconds. |
| 78 | */ |
| 79 | public static final int FINGERPRINT_ERROR_LOCKOUT = 7; |
| 80 | |
| 81 | /** |
| 82 | * Hardware vendors may extend this list if there are conditions that do not fall under one of |
| 83 | * the above categories. Vendors are responsible for providing error strings for these errors. |
| 84 | * These messages are typically reserved for internal operations such as enrollment, but may be |
| 85 | * used to express vendor errors not covered by the ones in fingerprint.h. Applications are |
| 86 | * expected to show the error message string if they happen, but are advised not to rely on the |
| 87 | * message id since they will be device and vendor-specific |
| 88 | */ |
| 89 | public static final int FINGERPRINT_ERROR_VENDOR = 8; |
| 90 | |
| 91 | /** |
| 92 | * The operation was canceled because FINGERPRINT_ERROR_LOCKOUT occurred too many times. |
| 93 | * Fingerprint authentication is disabled until the user unlocks with strong authentication |
| 94 | * (PIN/Pattern/Password) |
| 95 | */ |
| 96 | public static final int FINGERPRINT_ERROR_LOCKOUT_PERMANENT = 9; |
| 97 | |
| 98 | /** |
| 99 | * The user canceled the operation. Upon receiving this, applications should use alternate |
| 100 | * authentication (e.g. a password). The application should also provide the means to return |
| 101 | * to fingerprint authentication, such as a "use fingerprint" button. |
| 102 | */ |
| 103 | public static final int FINGERPRINT_ERROR_USER_CANCELED = 10; |
| 104 | |
| 105 | /** |
| 106 | * The user does not have any fingerprints enrolled. |
| 107 | */ |
| 108 | public static final int FINGERPRINT_ERROR_NO_FINGERPRINTS = 11; |
| 109 | |
| 110 | /** |
| 111 | * The device does not have a fingerprint sensor. |
| 112 | */ |
| 113 | public static final int FINGERPRINT_ERROR_HW_NOT_PRESENT = 12; |
| 114 | |
| 115 | /** |
Kevin Chyn | 91e7a3d | 2018-04-12 12:42:24 -0700 | [diff] [blame] | 116 | * The user pressed the negative button. This is a placeholder that is currently only used |
| 117 | * by the support library. |
| 118 | * @hide |
| 119 | */ |
| 120 | public static final int FINGERPRINT_ERROR_NEGATIVE_BUTTON = 13; |
| 121 | |
| 122 | /** |
Kevin Chyn | 45d1f9d | 2019-02-07 13:38:04 -0800 | [diff] [blame] | 123 | * The device does not have pin, pattern, or password set up. See |
| 124 | * {@link BiometricPrompt.Builder#setAllowDeviceCredential(boolean)} and |
| 125 | * {@link KeyguardManager#isDeviceSecure()} |
| 126 | * @hide |
| 127 | */ |
| 128 | public static final int BIOMETRIC_ERROR_NO_DEVICE_CREDENTIAL = 14; |
| 129 | |
| 130 | /** |
Kevin Chyn | 6668256 | 2018-01-25 18:26:46 -0800 | [diff] [blame] | 131 | * @hide |
| 132 | */ |
Mathew Inwood | 98e9ad1 | 2018-08-30 13:11:50 +0100 | [diff] [blame] | 133 | @UnsupportedAppUsage |
Kevin Chyn | 6668256 | 2018-01-25 18:26:46 -0800 | [diff] [blame] | 134 | public static final int FINGERPRINT_ERROR_VENDOR_BASE = 1000; |
| 135 | |
| 136 | // |
| 137 | // Image acquisition messages. Must agree with those in fingerprint.h |
| 138 | // |
| 139 | |
| 140 | /** |
| 141 | * The image acquired was good. |
| 142 | */ |
| 143 | public static final int FINGERPRINT_ACQUIRED_GOOD = 0; |
| 144 | |
| 145 | /** |
| 146 | * Only a partial fingerprint image was detected. During enrollment, the user should be |
| 147 | * informed on what needs to happen to resolve this problem, e.g. "press firmly on sensor." |
| 148 | */ |
| 149 | public static final int FINGERPRINT_ACQUIRED_PARTIAL = 1; |
| 150 | |
| 151 | /** |
| 152 | * The fingerprint image was too noisy to process due to a detected condition (i.e. dry skin) or |
| 153 | * a possibly dirty sensor (See {@link #FINGERPRINT_ACQUIRED_IMAGER_DIRTY}). |
| 154 | */ |
| 155 | public static final int FINGERPRINT_ACQUIRED_INSUFFICIENT = 2; |
| 156 | |
| 157 | /** |
| 158 | * The fingerprint image was too noisy due to suspected or detected dirt on the sensor. |
| 159 | * For example, it's reasonable return this after multiple |
| 160 | * {@link #FINGERPRINT_ACQUIRED_INSUFFICIENT} or actual detection of dirt on the sensor |
| 161 | * (stuck pixels, swaths, etc.). The user is expected to take action to clean the sensor |
| 162 | * when this is returned. |
| 163 | */ |
| 164 | public static final int FINGERPRINT_ACQUIRED_IMAGER_DIRTY = 3; |
| 165 | |
| 166 | /** |
| 167 | * The fingerprint image was unreadable due to lack of motion. This is most appropriate for |
| 168 | * linear array sensors that require a swipe motion. |
| 169 | */ |
| 170 | public static final int FINGERPRINT_ACQUIRED_TOO_SLOW = 4; |
| 171 | |
| 172 | /** |
| 173 | * The fingerprint image was incomplete due to quick motion. While mostly appropriate for |
| 174 | * linear array sensors, this could also happen if the finger was moved during acquisition. |
| 175 | * The user should be asked to move the finger slower (linear) or leave the finger on the sensor |
| 176 | * longer. |
| 177 | */ |
| 178 | public static final int FINGERPRINT_ACQUIRED_TOO_FAST = 5; |
| 179 | |
| 180 | /** |
| 181 | * Hardware vendors may extend this list if there are conditions that do not fall under one of |
| 182 | * the above categories. Vendors are responsible for providing error strings for these errors. |
| 183 | * @hide |
| 184 | */ |
| 185 | public static final int FINGERPRINT_ACQUIRED_VENDOR = 6; |
| 186 | /** |
| 187 | * @hide |
| 188 | */ |
| 189 | public static final int FINGERPRINT_ACQUIRED_VENDOR_BASE = 1000; |
| 190 | } |