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1 /*
2  * Copyright (C) 2015 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.fingerprint;
18 
19 import android.app.settings.SettingsEnums;
20 import android.content.ComponentName;
21 import android.content.Intent;
22 import android.content.pm.PackageManager;
23 import android.hardware.fingerprint.FingerprintManager;
24 import android.hardware.fingerprint.FingerprintSensorPropertiesInternal;
25 import android.os.Bundle;
26 import android.util.Log;
27 import android.view.View;
28 
29 import androidx.annotation.VisibleForTesting;
30 
31 import com.android.settings.R;
32 import com.android.settings.Utils;
33 import com.android.settings.biometrics.BiometricEnrollBase;
34 import com.android.settings.biometrics.BiometricUtils;
35 
36 import com.google.android.setupcompat.template.FooterBarMixin;
37 import com.google.android.setupcompat.template.FooterButton;
38 import com.google.android.setupcompat.util.WizardManagerHelper;
39 
40 import java.util.List;
41 /**
42  * Activity which concludes fingerprint enrollment.
43  */
44 public class FingerprintEnrollFinish extends BiometricEnrollBase {
45 
46     private static final String TAG = "FingerprintEnrollFinish";
47     private static final String ACTION_FINGERPRINT_SETTINGS =
48             "android.settings.FINGERPRINT_SETTINGS";
49     @VisibleForTesting
50     static final String FINGERPRINT_SUGGESTION_ACTIVITY =
51             "com.android.settings.SetupFingerprintSuggestionActivity";
52 
53     private FingerprintManager mFingerprintManager;
54 
55     private boolean mCanAssumeSfps;
56 
57     private boolean mIsAddAnotherOrFinish;
58 
59     @Override
onCreate(Bundle savedInstanceState)60     protected void onCreate(Bundle savedInstanceState) {
61         super.onCreate(savedInstanceState);
62         mFingerprintManager = getSystemService(FingerprintManager.class);
63         final List<FingerprintSensorPropertiesInternal> props =
64                 mFingerprintManager.getSensorPropertiesInternal();
65         mCanAssumeSfps = props != null && props.size() == 1 && props.get(0).isAnySidefpsType();
66         if (mCanAssumeSfps) {
67             setContentView(R.layout.sfps_enroll_finish);
68         } else {
69             setContentView(R.layout.fingerprint_enroll_finish);
70         }
71         setHeaderText(R.string.security_settings_fingerprint_enroll_finish_title);
72         setDescriptionText(R.string.security_settings_fingerprint_enroll_finish_v2_message);
73         if (mCanAssumeSfps) {
74             setDescriptionForSfps();
75         }
76 
77         mFooterBarMixin = getLayout().getMixin(FooterBarMixin.class);
78         mFooterBarMixin.setSecondaryButton(
79                 new FooterButton.Builder(this)
80                         .setText(R.string.fingerprint_enroll_button_add)
81                         .setButtonType(FooterButton.ButtonType.SKIP)
82                         .setTheme(R.style.SudGlifButton_Secondary)
83                         .build()
84         );
85 
86         mFooterBarMixin.setPrimaryButton(
87                 new FooterButton.Builder(this)
88                         .setText(R.string.security_settings_fingerprint_enroll_done)
89                         .setListener(this::onNextButtonClick)
90                         .setButtonType(FooterButton.ButtonType.NEXT)
91                         .setTheme(R.style.SudGlifButton_Primary)
92                         .build()
93         );
94     }
95 
setDescriptionForSfps()96     private void setDescriptionForSfps() {
97         final FingerprintManager fpm = Utils.getFingerprintManagerOrNull(this);
98         if (fpm != null) {
99             final List<FingerprintSensorPropertiesInternal> props =
100                     fpm.getSensorPropertiesInternal();
101             final int maxEnrollments = props.get(0).maxEnrollmentsPerUser;
102             final int enrolled = fpm.getEnrolledFingerprints(mUserId).size();
103             if (enrolled < maxEnrollments) {
104                 setDescriptionText(R.string
105                         .security_settings_fingerprint_enroll_finish_v2_add_fingerprint_message);
106             }
107         }
108     }
109 
110     @Override
onBackPressed()111     public void onBackPressed() {
112         updateFingerprintSuggestionEnableState();
113         Intent intent = getIntent().putExtra(EXTRA_FINISHED_ENROLL_FINGERPRINT, true);
114         setResult(RESULT_CANCELED, intent);
115         finish();
116     }
117 
118     @Override
onResume()119     protected void onResume() {
120         super.onResume();
121         FooterButton addButton = mFooterBarMixin.getSecondaryButton();
122 
123         final FingerprintManager fpm = Utils.getFingerprintManagerOrNull(this);
124         boolean hideAddAnother = false;
125         if (fpm != null) {
126             final List<FingerprintSensorPropertiesInternal> props =
127                     fpm.getSensorPropertiesInternal();
128             int maxEnrollments = props.get(0).maxEnrollmentsPerUser;
129             int enrolled = fpm.getEnrolledFingerprints(mUserId).size();
130             hideAddAnother = enrolled >= maxEnrollments;
131         }
132         if (hideAddAnother) {
133             // Don't show "Add" button if too many fingerprints already added
134             addButton.setVisibility(View.INVISIBLE);
135         } else {
136             addButton.setOnClickListener(this::onAddAnotherButtonClick);
137         }
138     }
139 
140     @Override
onStart()141     protected void onStart() {
142         super.onStart();
143 
144         // Reset it to false every time activity back to fg because this flag is stateless between
145         // different life cycle.
146         mIsAddAnotherOrFinish = false;
147     }
148 
149     @Override
onNextButtonClick(View view)150     protected void onNextButtonClick(View view) {
151         updateFingerprintSuggestionEnableState();
152         finishAndToNext(RESULT_FINISHED);
153     }
154 
finishAndToNext(int resultCode)155     private void finishAndToNext(int resultCode) {
156         mIsAddAnotherOrFinish = true;
157         setResult(resultCode);
158         if (WizardManagerHelper.isAnySetupWizard(getIntent())) {
159             postEnroll();
160         }
161         finish();
162     }
163 
updateFingerprintSuggestionEnableState()164     private void updateFingerprintSuggestionEnableState() {
165         final FingerprintManager fpm = Utils.getFingerprintManagerOrNull(this);
166         if (fpm != null) {
167             int enrolled = fpm.getEnrolledFingerprints(mUserId).size();
168 
169             // Only show "Add another fingerprint" if the user already enrolled one.
170             // "Add fingerprint" will be shown in the main flow if the user hasn't enrolled any
171             // fingerprints. If the user already added more than one fingerprint, they already know
172             // to add multiple fingerprints so we don't show the suggestion.
173             int flag = (enrolled == 1) ? PackageManager.COMPONENT_ENABLED_STATE_ENABLED
174                     : PackageManager.COMPONENT_ENABLED_STATE_DISABLED;
175 
176             ComponentName componentName = new ComponentName(getApplicationContext(),
177                     FINGERPRINT_SUGGESTION_ACTIVITY);
178             getPackageManager().setComponentEnabledSetting(
179                     componentName, flag, PackageManager.DONT_KILL_APP);
180             Log.d(TAG, FINGERPRINT_SUGGESTION_ACTIVITY + " enabled state = " + (enrolled == 1));
181         }
182     }
183 
postEnroll()184     private void postEnroll() {
185         final FingerprintManager fpm = Utils.getFingerprintManagerOrNull(this);
186         if (fpm != null) {
187             fpm.revokeChallenge(mUserId, mChallenge);
188         }
189     }
190 
onAddAnotherButtonClick(View view)191     private void onAddAnotherButtonClick(View view) {
192         mIsAddAnotherOrFinish = true;
193         startActivityForResult(getFingerprintEnrollingIntent(), BiometricUtils.REQUEST_ADD_ANOTHER);
194     }
195 
196     @Override
shouldFinishWhenBackgrounded()197     protected boolean shouldFinishWhenBackgrounded() {
198         return !mIsAddAnotherOrFinish && super.shouldFinishWhenBackgrounded();
199     }
200 
201     @Override
onActivityResult(int requestCode, int resultCode, Intent data)202     protected void onActivityResult(int requestCode, int resultCode, Intent data) {
203         updateFingerprintSuggestionEnableState();
204         if (requestCode == BiometricUtils.REQUEST_ADD_ANOTHER && resultCode == RESULT_TIMEOUT) {
205             finishAndToNext(resultCode);
206         } else if (requestCode == BiometricUtils.REQUEST_ADD_ANOTHER
207                 && resultCode != RESULT_CANCELED) {
208             // If user cancel during "Add another", just use similar flow on "Next" button
209             finishAndToNext(RESULT_FINISHED);
210         } else {
211             super.onActivityResult(requestCode, resultCode, data);
212         }
213     }
214 
215     @Override
getMetricsCategory()216     public int getMetricsCategory() {
217         return SettingsEnums.FINGERPRINT_ENROLL_FINISH;
218     }
219 }
220