src/com/android/settings/biometrics/face/FaceEnrollIntroduction.java

   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 com.android.settings.biometrics.face;
  18
  19 import android.app.admin.DevicePolicyManager;
  20 import android.app.settings.SettingsEnums;
  21 import android.content.Intent;
  22 import android.hardware.face.FaceManager;
  23 import android.os.Bundle;
  24 import android.widget.TextView;
  25
  26 import com.android.settings.R;
  27 import com.android.settings.Utils;
  28 import com.android.settings.biometrics.BiometricEnrollIntroduction;
  29 import com.android.settings.password.ChooseLockSettingsHelper;
  30 import com.android.settingslib.RestrictedLockUtilsInternal;
  31
  32 import com.google.android.setupcompat.template.FooterBarMixin;
  33 import com.google.android.setupcompat.template.FooterButton;
  34 import com.google.android.setupcompat.util.WizardManagerHelper;
  35 import com.google.android.setupdesign.span.LinkSpan;
  36
  37 public class FaceEnrollIntroduction extends BiometricEnrollIntroduction {
  38
  39     private static final String TAG = "FaceIntro";
  40
  41     private FaceManager mFaceManager;
  42
  43     @Override
  44     protected void onCreate(Bundle savedInstanceState) {
  45         super.onCreate(savedInstanceState);
  46
  47         mFaceManager = Utils.getFaceManagerOrNull(this);
  48
  49         mFooterBarMixin = getLayout().getMixin(FooterBarMixin.class);
  50         if (WizardManagerHelper.isAnySetupWizard(getIntent())) {
  51             mFooterBarMixin.setSecondaryButton(
  52                     new FooterButton.Builder(this)
  53                             .setText(R.string.skip_label)
  54                             .setListener(this::onSkipButtonClick)
  55                             .setButtonType(FooterButton.ButtonType.SKIP)
  56                             .setTheme(R.style.SudGlifButton_Secondary)
  57                             .build()
  58             );
  59         } else {
  60             mFooterBarMixin.setSecondaryButton(
  61                     new FooterButton.Builder(this)
  62                             .setText(R.string.security_settings_face_enroll_introduction_cancel)
  63                             .setListener(this::onCancelButtonClick)
  64                             .setButtonType(FooterButton.ButtonType.CANCEL)
  65                             .setTheme(R.style.SudGlifButton_Secondary)
  66                             .build()
  67             );
  68         }
  69
  70         mFooterBarMixin.setPrimaryButton(
  71                 new FooterButton.Builder(this)
  72                         .setText(R.string.wizard_next)
  73                         .setListener(this::onNextButtonClick)
  74                         .setButtonType(FooterButton.ButtonType.NEXT)
  75                         .setTheme(R.style.SudGlifButton_Primary)
  76                         .build()
  77         );
  78     }
  79
  80     @Override
  81     protected boolean isDisabledByAdmin() {
  82         return RestrictedLockUtilsInternal.checkIfKeyguardFeaturesDisabled(
  83                 this, DevicePolicyManager.KEYGUARD_DISABLE_FACE, mUserId) != null;
  84     }
  85
  86     @Override
  87     protected int getLayoutResource() {
  88         return R.layout.face_enroll_introduction;
  89     }
  90
  91     @Override
  92     protected int getHeaderResDisabledByAdmin() {
  93         return R.string.security_settings_face_enroll_introduction_title_unlock_disabled;
  94     }
  95
  96     @Override
  97     protected int getHeaderResDefault() {
  98         return R.string.security_settings_face_enroll_introduction_title;
  99     }
 100
 101     @Override
 102     protected int getDescriptionResDisabledByAdmin() {
 103         return R.string.security_settings_face_enroll_introduction_message_unlock_disabled;
 104     }
 105
 106     @Override
 107     protected FooterButton getCancelButton() {
 108         if (mFooterBarMixin != null) {
 109             return mFooterBarMixin.getSecondaryButton();
 110         }
 111         return null;
 112     }
 113
 114     @Override
 115     protected FooterButton getNextButton() {
 116         if (mFooterBarMixin != null) {
 117             return mFooterBarMixin.getPrimaryButton();
 118         }
 119         return null;
 120     }
 121
 122     @Override
 123     protected TextView getErrorTextView() {
 124         return findViewById(R.id.error_text);
 125     }
 126
 127     @Override
 128     protected int checkMaxEnrolled() {
 129         if (mFaceManager != null) {
 130             final int max = getResources().getInteger(
 131                     com.android.internal.R.integer.config_faceMaxTemplatesPerUser);
 132             final int numEnrolledFaces = mFaceManager.getEnrolledFaces(mUserId).size();
 133             if (numEnrolledFaces >= max) {
 134                 return R.string.face_intro_error_max;
 135             }
 136         } else {
 137             return R.string.face_intro_error_unknown;
 138         }
 139         return 0;
 140     }
 141
 142     @Override
 143     protected long getChallenge() {
 144         mFaceManager = Utils.getFaceManagerOrNull(this);
 145         if (mFaceManager == null) {
 146             return 0;
 147         }
 148         return mFaceManager.generateChallenge();
 149     }
 150
 151     @Override
 152     protected String getExtraKeyForBiometric() {
 153         return ChooseLockSettingsHelper.EXTRA_KEY_FOR_FACE;
 154     }
 155
 156     @Override
 157     protected Intent getEnrollingIntent() {
 158         Intent intent = new Intent(this, FaceEnrollEducation.class);
 159         WizardManagerHelper.copyWizardManagerExtras(getIntent(), intent);
 160         return intent;
 161     }
 162
 163     @Override
 164     protected int getConfirmLockTitleResId() {
 165         return R.string.security_settings_face_preference_title;
 166     }
 167
 168     @Override
 169     public int getMetricsCategory() {
 170         return SettingsEnums.FACE_ENROLL_INTRO;
 171     }
 172
 173     @Override
 174     public void onClick(LinkSpan span) {
 175         // TODO(b/110906762)
 176     }
 177 }