2 * Copyright (C) 2010 The Android Open Source Project
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
17 package com.android.settings;
19 import static android.app.admin.DevicePolicyManager.ACTION_SET_NEW_PARENT_PROFILE_PASSWORD;
20 import static android.app.admin.DevicePolicyManager.ACTION_SET_NEW_PASSWORD;
21 import static com.android.settings.ChooseLockPassword.ChooseLockPasswordFragment.RESULT_FINISHED;
22 import static com.android.settingslib.RestrictedLockUtils.EnforcedAdmin;
24 import android.accessibilityservice.AccessibilityServiceInfo;
25 import android.app.Activity;
26 import android.app.AlertDialog;
27 import android.app.Dialog;
28 import android.app.DialogFragment;
29 import android.app.Fragment;
30 import android.app.FragmentManager;
31 import android.app.admin.DevicePolicyManager;
32 import android.content.Context;
33 import android.content.DialogInterface;
34 import android.content.Intent;
35 import android.content.pm.UserInfo;
36 import android.hardware.fingerprint.Fingerprint;
37 import android.hardware.fingerprint.FingerprintManager;
38 import android.hardware.fingerprint.FingerprintManager.RemovalCallback;
39 import android.os.Bundle;
40 import android.os.UserHandle;
41 import android.os.UserManager;
42 import android.os.storage.StorageManager;
43 import android.security.KeyStore;
44 import android.support.v7.preference.Preference;
45 import android.support.v7.preference.PreferenceScreen;
46 import android.text.TextUtils;
47 import android.util.EventLog;
48 import android.util.Log;
49 import android.view.accessibility.AccessibilityManager;
50 import android.widget.TextView;
52 import com.android.internal.logging.MetricsProto.MetricsEvent;
53 import com.android.internal.widget.LockPatternUtils;
54 import com.android.settings.fingerprint.FingerprintEnrollBase;
55 import com.android.settings.fingerprint.FingerprintEnrollFindSensor;
56 import com.android.settingslib.RestrictedLockUtils;
57 import com.android.settingslib.RestrictedPreference;
59 import java.util.List;
61 public class ChooseLockGeneric extends SettingsActivity {
62 public static final String CONFIRM_CREDENTIALS = "confirm_credentials";
65 public Intent getIntent() {
66 Intent modIntent = new Intent(super.getIntent());
67 modIntent.putExtra(EXTRA_SHOW_FRAGMENT, getFragmentClass().getName());
69 String action = modIntent.getAction();
70 if (ACTION_SET_NEW_PASSWORD.equals(action)
71 || ACTION_SET_NEW_PARENT_PROFILE_PASSWORD.equals(action)) {
72 modIntent.putExtra(EXTRA_HIDE_DRAWER, true);
78 protected boolean isValidFragment(String fragmentName) {
79 if (ChooseLockGenericFragment.class.getName().equals(fragmentName)) return true;
83 /* package */ Class<? extends Fragment> getFragmentClass() {
84 return ChooseLockGenericFragment.class;
87 public static class InternalActivity extends ChooseLockGeneric {
90 public static class ChooseLockGenericFragment extends SettingsPreferenceFragment {
91 private static final String TAG = "ChooseLockGenericFragment";
92 private static final int MIN_PASSWORD_LENGTH = 4;
93 private static final String KEY_UNLOCK_SET_OFF = "unlock_set_off";
94 private static final String KEY_UNLOCK_SET_NONE = "unlock_set_none";
95 private static final String KEY_UNLOCK_SET_PIN = "unlock_set_pin";
96 private static final String KEY_UNLOCK_SET_PASSWORD = "unlock_set_password";
97 private static final String KEY_UNLOCK_SET_PATTERN = "unlock_set_pattern";
98 private static final String KEY_UNLOCK_SET_MANAGED = "unlock_set_managed";
99 private static final String KEY_SKIP_FINGERPRINT = "unlock_skip_fingerprint";
100 private static final String PASSWORD_CONFIRMED = "password_confirmed";
101 private static final String WAITING_FOR_CONFIRMATION = "waiting_for_confirmation";
102 public static final String MINIMUM_QUALITY_KEY = "minimum_quality";
103 public static final String HIDE_DISABLED_PREFS = "hide_disabled_prefs";
104 public static final String ENCRYPT_REQUESTED_QUALITY = "encrypt_requested_quality";
105 public static final String ENCRYPT_REQUESTED_DISABLED = "encrypt_requested_disabled";
106 public static final String TAG_FRP_WARNING_DIALOG = "frp_warning_dialog";
108 private static final int CONFIRM_EXISTING_REQUEST = 100;
109 private static final int ENABLE_ENCRYPTION_REQUEST = 101;
110 private static final int CHOOSE_LOCK_REQUEST = 102;
111 private static final int CHOOSE_LOCK_BEFORE_FINGERPRINT_REQUEST = 103;
112 private static final int SKIP_FINGERPRINT_REQUEST = 104;
114 private ChooseLockSettingsHelper mChooseLockSettingsHelper;
115 private DevicePolicyManager mDPM;
116 private KeyStore mKeyStore;
117 private boolean mHasChallenge = false;
118 private long mChallenge;
119 private boolean mPasswordConfirmed = false;
120 private boolean mWaitingForConfirmation = false;
121 private int mEncryptionRequestQuality;
122 private boolean mEncryptionRequestDisabled;
123 private boolean mRequirePassword;
124 private boolean mForChangeCredRequiredForBoot = false;
125 private String mUserPassword;
126 private LockPatternUtils mLockPatternUtils;
127 private FingerprintManager mFingerprintManager;
129 private boolean mHideDrawer = false;
130 private ManagedLockPasswordProvider mManagedPasswordProvider;
131 private boolean mIsSetNewPassword = false;
133 protected boolean mForFingerprint = false;
136 protected int getMetricsCategory() {
137 return MetricsEvent.CHOOSE_LOCK_GENERIC;
141 public void onCreate(Bundle savedInstanceState) {
142 super.onCreate(savedInstanceState);
144 String chooseLockAction = getActivity().getIntent().getAction();
145 mFingerprintManager =
146 (FingerprintManager) getActivity().getSystemService(Context.FINGERPRINT_SERVICE);
147 mDPM = (DevicePolicyManager) getSystemService(Context.DEVICE_POLICY_SERVICE);
148 mKeyStore = KeyStore.getInstance();
149 mChooseLockSettingsHelper = new ChooseLockSettingsHelper(this.getActivity());
150 mLockPatternUtils = new LockPatternUtils(getActivity());
151 mIsSetNewPassword = ACTION_SET_NEW_PARENT_PROFILE_PASSWORD.equals(chooseLockAction)
152 || ACTION_SET_NEW_PASSWORD.equals(chooseLockAction);
154 // Defaults to needing to confirm credentials
155 final boolean confirmCredentials = getActivity().getIntent()
156 .getBooleanExtra(CONFIRM_CREDENTIALS, true);
157 if (getActivity() instanceof ChooseLockGeneric.InternalActivity) {
158 mPasswordConfirmed = !confirmCredentials;
160 mHideDrawer = getActivity().getIntent().getBooleanExtra(EXTRA_HIDE_DRAWER, false);
162 mHasChallenge = getActivity().getIntent().getBooleanExtra(
163 ChooseLockSettingsHelper.EXTRA_KEY_HAS_CHALLENGE, false);
164 mChallenge = getActivity().getIntent().getLongExtra(
165 ChooseLockSettingsHelper.EXTRA_KEY_CHALLENGE, 0);
166 mForFingerprint = getActivity().getIntent().getBooleanExtra(
167 ChooseLockSettingsHelper.EXTRA_KEY_FOR_FINGERPRINT, false);
168 mForChangeCredRequiredForBoot = getArguments() != null && getArguments().getBoolean(
169 ChooseLockSettingsHelper.EXTRA_KEY_FOR_CHANGE_CRED_REQUIRED_FOR_BOOT);
170 if (mIsSetNewPassword) {
171 // In ACTION_SET_NEW_PARENT_PROFILE_PASSWORD or ACTION_SET_NEW_PASSWORD, the user
172 // will be asked to confirm the password if one has been set.
173 // On fingerprint supported device, fingerprint options are represented in the
174 // options. If the user chooses to skip fingerprint setup, ChooseLockGeneric is
175 // relaunched to only show options without fingerprint. In this case, we shouldn't
176 // ask the user to confirm the password again.
177 mPasswordConfirmed = getActivity().getIntent().getBooleanExtra(
178 PASSWORD_CONFIRMED, false);
181 if (savedInstanceState != null) {
182 mPasswordConfirmed = savedInstanceState.getBoolean(PASSWORD_CONFIRMED);
183 mWaitingForConfirmation = savedInstanceState.getBoolean(WAITING_FOR_CONFIRMATION);
184 mEncryptionRequestQuality = savedInstanceState.getInt(ENCRYPT_REQUESTED_QUALITY);
185 mEncryptionRequestDisabled = savedInstanceState.getBoolean(
186 ENCRYPT_REQUESTED_DISABLED);
189 int targetUser = Utils.getSecureTargetUser(
190 getActivity().getActivityToken(),
191 UserManager.get(getActivity()),
193 getActivity().getIntent().getExtras()).getIdentifier();
194 if (ACTION_SET_NEW_PARENT_PROFILE_PASSWORD.equals(chooseLockAction)
195 || !mLockPatternUtils.isSeparateProfileChallengeAllowed(targetUser)) {
196 // Always use parent if explicitely requested or if profile challenge is not
198 Bundle arguments = getArguments();
199 mUserId = Utils.getUserIdFromBundle(getContext(), arguments != null ? arguments
200 : getActivity().getIntent().getExtras());
202 mUserId = targetUser;
205 if (ACTION_SET_NEW_PASSWORD.equals(chooseLockAction)
206 && Utils.isManagedProfile(UserManager.get(getActivity()), mUserId)
207 && mLockPatternUtils.isSeparateProfileChallengeEnabled(mUserId)) {
208 getActivity().setTitle(R.string.lock_settings_picker_title_profile);
211 mManagedPasswordProvider = ManagedLockPasswordProvider.get(getActivity(), mUserId);
213 if (mPasswordConfirmed) {
214 updatePreferencesOrFinish();
215 if (mForChangeCredRequiredForBoot) {
216 maybeEnableEncryption(mLockPatternUtils.getKeyguardStoredPasswordQuality(
219 } else if (!mWaitingForConfirmation) {
220 ChooseLockSettingsHelper helper =
221 new ChooseLockSettingsHelper(this.getActivity(), this);
222 boolean managedProfileWithUnifiedLock = Utils
223 .isManagedProfile(UserManager.get(getActivity()), mUserId)
224 && !mLockPatternUtils.isSeparateProfileChallengeEnabled(mUserId);
225 if (managedProfileWithUnifiedLock
226 || !helper.launchConfirmationActivity(CONFIRM_EXISTING_REQUEST,
227 getString(R.string.unlock_set_unlock_launch_picker_title), true, mUserId)) {
228 mPasswordConfirmed = true; // no password set, so no need to confirm
229 updatePreferencesOrFinish();
231 mWaitingForConfirmation = true;
237 protected void addHeaderView() {
238 if (mForFingerprint) {
239 setHeaderView(R.layout.choose_lock_generic_fingerprint_header);
240 if (mIsSetNewPassword) {
241 ((TextView) getHeaderView().findViewById(R.id.fingerprint_header_description))
242 .setText(R.string.fingerprint_unlock_title);
248 public boolean onPreferenceTreeClick(Preference preference) {
249 final String key = preference.getKey();
251 if (!isUnlockMethodSecure(key) && mLockPatternUtils.isSecure(mUserId)) {
252 // Show the disabling FRP warning only when the user is switching from a secure
253 // unlock method to an insecure one
254 showFactoryResetProtectionWarningDialog(key);
256 } else if (KEY_SKIP_FINGERPRINT.equals(key)) {
257 Intent chooseLockGenericIntent = new Intent(getActivity(), ChooseLockGeneric.class);
258 chooseLockGenericIntent.setAction(getIntent().getAction());
259 chooseLockGenericIntent.putExtra(PASSWORD_CONFIRMED, mPasswordConfirmed);
260 startActivityForResult(chooseLockGenericIntent, SKIP_FINGERPRINT_REQUEST);
263 return setUnlockMethod(key);
268 * If the device has encryption already enabled, then ask the user if they
269 * also want to encrypt the phone with this password.
274 // TODO: why does this take disabled, its always called with a quality higher than
275 // what makes sense with disabled == true
276 private void maybeEnableEncryption(int quality, boolean disabled) {
277 DevicePolicyManager dpm = (DevicePolicyManager) getSystemService(DEVICE_POLICY_SERVICE);
278 if (UserManager.get(getActivity()).isAdminUser()
279 && mUserId == UserHandle.myUserId()
280 && LockPatternUtils.isDeviceEncryptionEnabled()
281 && !LockPatternUtils.isFileEncryptionEnabled()
282 && !dpm.getDoNotAskCredentialsOnBoot()) {
283 mEncryptionRequestQuality = quality;
284 mEncryptionRequestDisabled = disabled;
285 // Get the intent that the encryption interstitial should start for creating
286 // the new unlock method.
287 Intent unlockMethodIntent = getIntentForUnlockMethod(quality, disabled);
288 unlockMethodIntent.putExtra(
289 ChooseLockSettingsHelper.EXTRA_KEY_FOR_CHANGE_CRED_REQUIRED_FOR_BOOT,
290 mForChangeCredRequiredForBoot);
291 final Context context = getActivity();
292 // If accessibility is enabled and the user hasn't seen this dialog before, set the
293 // default state to agree with that which is compatible with accessibility
294 // (password not required).
295 final boolean accEn = AccessibilityManager.getInstance(context).isEnabled();
296 final boolean required = mLockPatternUtils.isCredentialRequiredToDecrypt(!accEn);
297 Intent intent = getEncryptionInterstitialIntent(context, quality, required,
299 intent.putExtra(ChooseLockSettingsHelper.EXTRA_KEY_FOR_FINGERPRINT,
301 intent.putExtra(EXTRA_HIDE_DRAWER, mHideDrawer);
302 startActivityForResult(intent, ENABLE_ENCRYPTION_REQUEST);
304 if (mForChangeCredRequiredForBoot) {
305 // Welp, couldn't change it. Oh well.
309 mRequirePassword = false; // device encryption not enabled or not device owner.
310 updateUnlockMethodAndFinish(quality, disabled);
315 public void onActivityResult(int requestCode, int resultCode, Intent data) {
316 super.onActivityResult(requestCode, resultCode, data);
317 mWaitingForConfirmation = false;
318 if (requestCode == CONFIRM_EXISTING_REQUEST && resultCode == Activity.RESULT_OK) {
319 mPasswordConfirmed = true;
320 mUserPassword = data.getStringExtra(ChooseLockSettingsHelper.EXTRA_KEY_PASSWORD);
321 updatePreferencesOrFinish();
322 if (mForChangeCredRequiredForBoot) {
323 if (!TextUtils.isEmpty(mUserPassword)) {
324 maybeEnableEncryption(
325 mLockPatternUtils.getKeyguardStoredPasswordQuality(mUserId), false);
330 } else if (requestCode == CHOOSE_LOCK_REQUEST
331 || requestCode == ENABLE_ENCRYPTION_REQUEST) {
332 if (resultCode != RESULT_CANCELED || mForChangeCredRequiredForBoot) {
333 getActivity().setResult(resultCode, data);
336 } else if (requestCode == CHOOSE_LOCK_BEFORE_FINGERPRINT_REQUEST
337 && resultCode == FingerprintEnrollBase.RESULT_FINISHED) {
338 Intent intent = new Intent(getActivity(), FingerprintEnrollFindSensor.class);
340 intent.putExtras(data.getExtras());
342 startActivity(intent);
344 } else if (requestCode == SKIP_FINGERPRINT_REQUEST) {
345 if (resultCode != RESULT_CANCELED) {
346 getActivity().setResult(
347 resultCode == RESULT_FINISHED ? RESULT_OK : resultCode, data);
351 getActivity().setResult(Activity.RESULT_CANCELED);
354 if (requestCode == Activity.RESULT_CANCELED && mForChangeCredRequiredForBoot) {
360 public void onSaveInstanceState(Bundle outState) {
361 super.onSaveInstanceState(outState);
362 // Saved so we don't force user to re-enter their password if configuration changes
363 outState.putBoolean(PASSWORD_CONFIRMED, mPasswordConfirmed);
364 outState.putBoolean(WAITING_FOR_CONFIRMATION, mWaitingForConfirmation);
365 outState.putInt(ENCRYPT_REQUESTED_QUALITY, mEncryptionRequestQuality);
366 outState.putBoolean(ENCRYPT_REQUESTED_DISABLED, mEncryptionRequestDisabled);
369 private void updatePreferencesOrFinish() {
370 Intent intent = getActivity().getIntent();
371 int quality = intent.getIntExtra(LockPatternUtils.PASSWORD_TYPE_KEY, -1);
373 // If caller didn't specify password quality, show UI and allow the user to choose.
374 quality = intent.getIntExtra(MINIMUM_QUALITY_KEY, -1);
375 quality = upgradeQuality(quality);
376 final boolean hideDisabledPrefs = intent.getBooleanExtra(
377 HIDE_DISABLED_PREFS, false);
378 final PreferenceScreen prefScreen = getPreferenceScreen();
379 if (prefScreen != null) {
380 prefScreen.removeAll();
383 disableUnusablePreferences(quality, hideDisabledPrefs);
384 updatePreferenceText();
385 updateCurrentPreference();
386 updatePreferenceSummaryIfNeeded();
388 updateUnlockMethodAndFinish(quality, false);
392 protected void addPreferences() {
393 addPreferencesFromResource(R.xml.security_settings_picker);
395 // Used for testing purposes
396 findPreference(KEY_UNLOCK_SET_NONE).setViewId(R.id.lock_none);
397 findPreference(KEY_UNLOCK_SET_PIN).setViewId(R.id.lock_pin);
398 findPreference(KEY_UNLOCK_SET_PASSWORD).setViewId(R.id.lock_password);
401 private void updatePreferenceText() {
402 if (mForFingerprint) {
403 final String key[] = { KEY_UNLOCK_SET_PATTERN,
405 KEY_UNLOCK_SET_PASSWORD };
406 final int res[] = { R.string.fingerprint_unlock_set_unlock_pattern,
407 R.string.fingerprint_unlock_set_unlock_pin,
408 R.string.fingerprint_unlock_set_unlock_password };
409 for (int i = 0; i < key.length; i++) {
410 Preference pref = findPreference(key[i]);
411 if (pref != null) { // can be removed by device admin
412 pref.setTitle(res[i]);
417 if (mManagedPasswordProvider.isSettingManagedPasswordSupported()) {
418 Preference managed = findPreference(KEY_UNLOCK_SET_MANAGED);
419 managed.setTitle(mManagedPasswordProvider.getPickerOptionTitle(mForFingerprint));
421 removePreference(KEY_UNLOCK_SET_MANAGED);
424 if (!(mForFingerprint && mIsSetNewPassword)) {
425 removePreference(KEY_SKIP_FINGERPRINT);
429 private void updateCurrentPreference() {
430 String currentKey = getKeyForCurrent();
431 Preference preference = findPreference(currentKey);
432 if (preference != null) {
433 preference.setSummary(R.string.current_screen_lock);
437 private String getKeyForCurrent() {
438 final int credentialOwner = UserManager.get(getContext())
439 .getCredentialOwnerProfile(mUserId);
440 if (mLockPatternUtils.isLockScreenDisabled(credentialOwner)) {
441 return KEY_UNLOCK_SET_OFF;
443 switch (mLockPatternUtils.getKeyguardStoredPasswordQuality(credentialOwner)) {
444 case DevicePolicyManager.PASSWORD_QUALITY_SOMETHING:
445 return KEY_UNLOCK_SET_PATTERN;
446 case DevicePolicyManager.PASSWORD_QUALITY_NUMERIC:
447 case DevicePolicyManager.PASSWORD_QUALITY_NUMERIC_COMPLEX:
448 return KEY_UNLOCK_SET_PIN;
449 case DevicePolicyManager.PASSWORD_QUALITY_ALPHABETIC:
450 case DevicePolicyManager.PASSWORD_QUALITY_ALPHANUMERIC:
451 case DevicePolicyManager.PASSWORD_QUALITY_COMPLEX:
452 return KEY_UNLOCK_SET_PASSWORD;
453 case DevicePolicyManager.PASSWORD_QUALITY_MANAGED:
454 return KEY_UNLOCK_SET_MANAGED;
455 case DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED:
456 return KEY_UNLOCK_SET_NONE;
461 /** increases the quality if necessary */
462 private int upgradeQuality(int quality) {
463 quality = upgradeQualityForDPM(quality);
467 private int upgradeQualityForDPM(int quality) {
468 // Compare min allowed password quality
469 int minQuality = mDPM.getPasswordQuality(null, mUserId);
470 if (quality < minQuality) {
471 quality = minQuality;
477 * Disables preferences that are less secure than required quality. The actual
478 * implementation is in disableUnusablePreferenceImpl.
480 * @param quality the requested quality.
481 * @param hideDisabledPrefs if false preferences show why they were disabled; otherwise
482 * they're not shown at all.
484 protected void disableUnusablePreferences(final int quality, boolean hideDisabledPrefs) {
485 disableUnusablePreferencesImpl(quality, hideDisabledPrefs);
489 * Disables preferences that are less secure than required quality.
491 * @param quality the requested quality.
492 * @param hideDisabled whether to hide disable screen lock options.
494 protected void disableUnusablePreferencesImpl(final int quality,
495 boolean hideDisabled) {
496 final PreferenceScreen entries = getPreferenceScreen();
498 int adminEnforcedQuality = mDPM.getPasswordQuality(null, mUserId);
499 EnforcedAdmin enforcedAdmin = RestrictedLockUtils.checkIfPasswordQualityIsSet(
500 getActivity(), mUserId);
501 for (int i = entries.getPreferenceCount() - 1; i >= 0; --i) {
502 Preference pref = entries.getPreference(i);
503 if (pref instanceof RestrictedPreference) {
504 final String key = pref.getKey();
505 boolean enabled = true;
506 boolean visible = true;
507 boolean disabledByAdmin = false;
508 if (KEY_UNLOCK_SET_OFF.equals(key)) {
509 enabled = quality <= DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED;
510 if (getResources().getBoolean(R.bool.config_hide_none_security_option)) {
514 disabledByAdmin = adminEnforcedQuality
515 > DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED;
516 } else if (KEY_UNLOCK_SET_NONE.equals(key)) {
517 if (mUserId != UserHandle.myUserId()) {
518 // Swipe doesn't make sense for profiles.
521 enabled = quality <= DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED;
522 disabledByAdmin = adminEnforcedQuality
523 > DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED;
524 } else if (KEY_UNLOCK_SET_PATTERN.equals(key)) {
525 enabled = quality <= DevicePolicyManager.PASSWORD_QUALITY_SOMETHING;
526 disabledByAdmin = adminEnforcedQuality
527 > DevicePolicyManager.PASSWORD_QUALITY_SOMETHING;
528 } else if (KEY_UNLOCK_SET_PIN.equals(key)) {
529 enabled = quality <= DevicePolicyManager.PASSWORD_QUALITY_NUMERIC_COMPLEX;
530 disabledByAdmin = adminEnforcedQuality
531 > DevicePolicyManager.PASSWORD_QUALITY_NUMERIC_COMPLEX;
532 } else if (KEY_UNLOCK_SET_PASSWORD.equals(key)) {
533 enabled = quality <= DevicePolicyManager.PASSWORD_QUALITY_COMPLEX;
534 disabledByAdmin = adminEnforcedQuality
535 > DevicePolicyManager.PASSWORD_QUALITY_COMPLEX;
536 } else if (KEY_UNLOCK_SET_MANAGED.equals(key)) {
537 enabled = quality <= DevicePolicyManager.PASSWORD_QUALITY_MANAGED
538 && mManagedPasswordProvider.isManagedPasswordChoosable();
539 disabledByAdmin = adminEnforcedQuality
540 > DevicePolicyManager.PASSWORD_QUALITY_MANAGED;
546 entries.removePreference(pref);
547 } else if (disabledByAdmin && enforcedAdmin != null) {
548 ((RestrictedPreference) pref).setDisabledByAdmin(enforcedAdmin);
549 } else if (!enabled) {
550 // we need to setDisabledByAdmin to null first to disable the padlock
551 // in case it was set earlier.
552 ((RestrictedPreference) pref).setDisabledByAdmin(null);
553 pref.setSummary(R.string.unlock_set_unlock_disabled_summary);
554 pref.setEnabled(false);
556 ((RestrictedPreference) pref).setDisabledByAdmin(null);
562 private void updatePreferenceSummaryIfNeeded() {
563 // On a default block encrypted device with accessibility, add a warning
564 // that your data is not credential encrypted
565 if (!StorageManager.isBlockEncrypted()) {
569 if (StorageManager.isNonDefaultBlockEncrypted()) {
573 if (AccessibilityManager.getInstance(getActivity()).getEnabledAccessibilityServiceList(
574 AccessibilityServiceInfo.FEEDBACK_ALL_MASK).isEmpty()) {
578 CharSequence summary = getString(R.string.secure_lock_encryption_warning);
580 PreferenceScreen screen = getPreferenceScreen();
581 final int preferenceCount = screen.getPreferenceCount();
582 for (int i = 0; i < preferenceCount; i++) {
583 Preference preference = screen.getPreference(i);
584 switch (preference.getKey()) {
585 case KEY_UNLOCK_SET_PATTERN:
586 case KEY_UNLOCK_SET_PIN:
587 case KEY_UNLOCK_SET_PASSWORD:
588 case KEY_UNLOCK_SET_MANAGED: {
589 preference.setSummary(summary);
595 protected Intent getLockManagedPasswordIntent(boolean requirePassword, String password) {
596 return mManagedPasswordProvider.createIntent(requirePassword, password);
599 protected Intent getLockPasswordIntent(Context context, int quality,
600 int minLength, final int maxLength,
601 boolean requirePasswordToDecrypt, boolean confirmCredentials, int userId) {
602 return ChooseLockPassword.createIntent(context, quality, minLength,
603 maxLength, requirePasswordToDecrypt, confirmCredentials, userId);
606 protected Intent getLockPasswordIntent(Context context, int quality,
607 int minLength, final int maxLength,
608 boolean requirePasswordToDecrypt, long challenge, int userId) {
609 return ChooseLockPassword.createIntent(context, quality, minLength,
610 maxLength, requirePasswordToDecrypt, challenge, userId);
613 protected Intent getLockPasswordIntent(Context context, int quality, int minLength,
614 int maxLength, boolean requirePasswordToDecrypt, String password, int userId) {
615 return ChooseLockPassword.createIntent(context, quality, minLength, maxLength,
616 requirePasswordToDecrypt, password, userId);
619 protected Intent getLockPatternIntent(Context context, final boolean requirePassword,
620 final boolean confirmCredentials, int userId) {
621 return ChooseLockPattern.createIntent(context, requirePassword,
622 confirmCredentials, userId);
625 protected Intent getLockPatternIntent(Context context, final boolean requirePassword,
626 long challenge, int userId) {
627 return ChooseLockPattern.createIntent(context, requirePassword, challenge, userId);
630 protected Intent getLockPatternIntent(Context context, final boolean requirePassword,
631 final String pattern, int userId) {
632 return ChooseLockPattern.createIntent(context, requirePassword, pattern, userId);
635 protected Intent getEncryptionInterstitialIntent(Context context, int quality,
636 boolean required, Intent unlockMethodIntent) {
637 return EncryptionInterstitial.createStartIntent(context, quality, required,
642 * Invokes an activity to change the user's pattern, password or PIN based on given quality
643 * and minimum quality specified by DevicePolicyManager. If quality is
644 * {@link DevicePolicyManager#PASSWORD_QUALITY_UNSPECIFIED}, password is cleared.
646 * @param quality the desired quality. Ignored if DevicePolicyManager requires more security
647 * @param disabled whether or not to show LockScreen at all. Only meaningful when quality is
648 * {@link DevicePolicyManager#PASSWORD_QUALITY_UNSPECIFIED}
650 void updateUnlockMethodAndFinish(int quality, boolean disabled) {
651 // Sanity check. We should never get here without confirming user's existing password.
652 if (!mPasswordConfirmed) {
653 throw new IllegalStateException("Tried to update password without confirming it");
656 quality = upgradeQuality(quality);
657 Intent intent = getIntentForUnlockMethod(quality, disabled);
658 if (intent != null) {
659 startActivityForResult(intent,
660 mIsSetNewPassword && mHasChallenge
661 ? CHOOSE_LOCK_BEFORE_FINGERPRINT_REQUEST
662 : CHOOSE_LOCK_REQUEST);
666 if (quality == DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED) {
667 mLockPatternUtils.setSeparateProfileChallengeEnabled(mUserId, true, mUserPassword);
668 mChooseLockSettingsHelper.utils().clearLock(mUserId);
669 mChooseLockSettingsHelper.utils().setLockScreenDisabled(disabled, mUserId);
670 getActivity().setResult(Activity.RESULT_OK);
671 removeAllFingerprintForUserAndFinish(mUserId);
673 removeAllFingerprintForUserAndFinish(mUserId);
677 private Intent getIntentForUnlockMethod(int quality, boolean disabled) {
678 Intent intent = null;
679 final Context context = getActivity();
680 if (quality >= DevicePolicyManager.PASSWORD_QUALITY_MANAGED) {
681 intent = getLockManagedPasswordIntent(mRequirePassword, mUserPassword);
682 } else if (quality >= DevicePolicyManager.PASSWORD_QUALITY_NUMERIC) {
683 int minLength = mDPM.getPasswordMinimumLength(null, mUserId);
684 if (minLength < MIN_PASSWORD_LENGTH) {
685 minLength = MIN_PASSWORD_LENGTH;
687 final int maxLength = mDPM.getPasswordMaximumLength(quality);
689 intent = getLockPasswordIntent(context, quality, minLength,
690 maxLength, mRequirePassword, mChallenge, mUserId);
692 intent = getLockPasswordIntent(context, quality, minLength,
693 maxLength, mRequirePassword, mUserPassword, mUserId);
695 } else if (quality == DevicePolicyManager.PASSWORD_QUALITY_SOMETHING) {
697 intent = getLockPatternIntent(context, mRequirePassword,
698 mChallenge, mUserId);
700 intent = getLockPatternIntent(context, mRequirePassword,
701 mUserPassword, mUserId);
704 if (intent != null) {
705 intent.putExtra(EXTRA_HIDE_DRAWER, mHideDrawer);
710 private void removeAllFingerprintForUserAndFinish(final int userId) {
711 if (mFingerprintManager != null && mFingerprintManager.isHardwareDetected()) {
712 if (mFingerprintManager.hasEnrolledFingerprints(userId)) {
713 mFingerprintManager.setActiveUser(userId);
714 // For the purposes of M and N, groupId is the same as userId.
715 final int groupId = userId;
716 Fingerprint finger = new Fingerprint(null, groupId, 0, 0);
717 mFingerprintManager.remove(finger, userId,
718 new RemovalCallback() {
720 public void onRemovalError(Fingerprint fp, int errMsgId,
721 CharSequence errString) {
722 Log.v(TAG, "Fingerprint removed: " + fp.getFingerId());
723 if (fp.getFingerId() == 0) {
724 removeManagedProfileFingerprintsAndFinishIfNecessary(userId);
729 public void onRemovalSucceeded(Fingerprint fingerprint) {
730 if (fingerprint.getFingerId() == 0) {
731 removeManagedProfileFingerprintsAndFinishIfNecessary(userId);
736 // No fingerprints in this user, we may also want to delete managed profile
738 removeManagedProfileFingerprintsAndFinishIfNecessary(userId);
741 // The removal callback will call finish, once all fingerprints are removed.
742 // We need to wait for that to occur, otherwise, the UI will still show that
743 // fingerprints exist even though they are (about to) be removed depending on
744 // the race condition.
749 private void removeManagedProfileFingerprintsAndFinishIfNecessary(final int parentUserId) {
750 mFingerprintManager.setActiveUser(UserHandle.myUserId());
751 final UserManager um = UserManager.get(getActivity());
752 boolean hasChildProfile = false;
753 if (!um.getUserInfo(parentUserId).isManagedProfile()) {
754 // Current user is primary profile, remove work profile fingerprints if necessary
755 final List<UserInfo> profiles = um.getProfiles(parentUserId);
756 final int profilesSize = profiles.size();
757 for (int i = 0; i < profilesSize; i++) {
758 final UserInfo userInfo = profiles.get(i);
759 if (userInfo.isManagedProfile() && !mLockPatternUtils
760 .isSeparateProfileChallengeEnabled(userInfo.id)) {
761 removeAllFingerprintForUserAndFinish(userInfo.id);
762 hasChildProfile = true;
767 if (!hasChildProfile) {
773 public void onDestroy() {
778 protected int getHelpResource() {
779 return R.string.help_url_choose_lockscreen;
782 private int getResIdForFactoryResetProtectionWarningTitle() {
783 boolean isProfile = Utils.isManagedProfile(UserManager.get(getActivity()), mUserId);
784 return isProfile ? R.string.unlock_disable_frp_warning_title_profile
785 : R.string.unlock_disable_frp_warning_title;
788 private int getResIdForFactoryResetProtectionWarningMessage() {
789 boolean hasFingerprints = mFingerprintManager.hasEnrolledFingerprints(mUserId);
790 boolean isProfile = Utils.isManagedProfile(UserManager.get(getActivity()), mUserId);
791 switch (mLockPatternUtils.getKeyguardStoredPasswordQuality(mUserId)) {
792 case DevicePolicyManager.PASSWORD_QUALITY_SOMETHING:
793 if (hasFingerprints && isProfile) {
795 .unlock_disable_frp_warning_content_pattern_fingerprint_profile;
796 } else if (hasFingerprints && !isProfile) {
797 return R.string.unlock_disable_frp_warning_content_pattern_fingerprint;
798 } else if (isProfile) {
799 return R.string.unlock_disable_frp_warning_content_pattern_profile;
801 return R.string.unlock_disable_frp_warning_content_pattern;
803 case DevicePolicyManager.PASSWORD_QUALITY_NUMERIC:
804 case DevicePolicyManager.PASSWORD_QUALITY_NUMERIC_COMPLEX:
805 if (hasFingerprints && isProfile) {
806 return R.string.unlock_disable_frp_warning_content_pin_fingerprint_profile;
807 } else if (hasFingerprints && !isProfile) {
808 return R.string.unlock_disable_frp_warning_content_pin_fingerprint;
809 } else if (isProfile) {
810 return R.string.unlock_disable_frp_warning_content_pin_profile;
812 return R.string.unlock_disable_frp_warning_content_pin;
814 case DevicePolicyManager.PASSWORD_QUALITY_ALPHABETIC:
815 case DevicePolicyManager.PASSWORD_QUALITY_ALPHANUMERIC:
816 case DevicePolicyManager.PASSWORD_QUALITY_COMPLEX:
817 case DevicePolicyManager.PASSWORD_QUALITY_MANAGED:
818 if (hasFingerprints && isProfile) {
820 .unlock_disable_frp_warning_content_password_fingerprint_profile;
821 } else if (hasFingerprints && !isProfile) {
822 return R.string.unlock_disable_frp_warning_content_password_fingerprint;
823 } else if (isProfile) {
824 return R.string.unlock_disable_frp_warning_content_password_profile;
826 return R.string.unlock_disable_frp_warning_content_password;
829 if (hasFingerprints && isProfile) {
831 .unlock_disable_frp_warning_content_unknown_fingerprint_profile;
832 } else if (hasFingerprints && !isProfile) {
833 return R.string.unlock_disable_frp_warning_content_unknown_fingerprint;
834 } else if (isProfile) {
835 return R.string.unlock_disable_frp_warning_content_unknown_profile;
837 return R.string.unlock_disable_frp_warning_content_unknown;
842 private boolean isUnlockMethodSecure(String unlockMethod) {
843 return !(KEY_UNLOCK_SET_OFF.equals(unlockMethod) ||
844 KEY_UNLOCK_SET_NONE.equals(unlockMethod));
847 private boolean setUnlockMethod(String unlockMethod) {
848 EventLog.writeEvent(EventLogTags.LOCK_SCREEN_TYPE, unlockMethod);
850 if (KEY_UNLOCK_SET_OFF.equals(unlockMethod)) {
851 updateUnlockMethodAndFinish(
852 DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED, true /* disabled */ );
853 } else if (KEY_UNLOCK_SET_NONE.equals(unlockMethod)) {
854 updateUnlockMethodAndFinish(
855 DevicePolicyManager.PASSWORD_QUALITY_UNSPECIFIED, false /* disabled */ );
856 } else if (KEY_UNLOCK_SET_MANAGED.equals(unlockMethod)) {
857 maybeEnableEncryption(DevicePolicyManager.PASSWORD_QUALITY_MANAGED, false);
858 } else if (KEY_UNLOCK_SET_PATTERN.equals(unlockMethod)) {
859 maybeEnableEncryption(
860 DevicePolicyManager.PASSWORD_QUALITY_SOMETHING, false);
861 } else if (KEY_UNLOCK_SET_PIN.equals(unlockMethod)) {
862 maybeEnableEncryption(
863 DevicePolicyManager.PASSWORD_QUALITY_NUMERIC, false);
864 } else if (KEY_UNLOCK_SET_PASSWORD.equals(unlockMethod)) {
865 maybeEnableEncryption(
866 DevicePolicyManager.PASSWORD_QUALITY_ALPHABETIC, false);
868 Log.e(TAG, "Encountered unknown unlock method to set: " + unlockMethod);
874 private void showFactoryResetProtectionWarningDialog(String unlockMethodToSet) {
875 int title = getResIdForFactoryResetProtectionWarningTitle();
876 int message = getResIdForFactoryResetProtectionWarningMessage();
877 FactoryResetProtectionWarningDialog dialog =
878 FactoryResetProtectionWarningDialog.newInstance(
879 title, message, unlockMethodToSet);
880 dialog.show(getChildFragmentManager(), TAG_FRP_WARNING_DIALOG);
883 public static class FactoryResetProtectionWarningDialog extends DialogFragment {
885 private static final String ARG_TITLE_RES = "titleRes";
886 private static final String ARG_MESSAGE_RES = "messageRes";
887 private static final String ARG_UNLOCK_METHOD_TO_SET = "unlockMethodToSet";
889 public static FactoryResetProtectionWarningDialog newInstance(
890 int titleRes, int messageRes, String unlockMethodToSet) {
891 FactoryResetProtectionWarningDialog frag =
892 new FactoryResetProtectionWarningDialog();
893 Bundle args = new Bundle();
894 args.putInt(ARG_TITLE_RES, titleRes);
895 args.putInt(ARG_MESSAGE_RES, messageRes);
896 args.putString(ARG_UNLOCK_METHOD_TO_SET, unlockMethodToSet);
897 frag.setArguments(args);
902 public void show(FragmentManager manager, String tag) {
903 if (manager.findFragmentByTag(tag) == null) {
904 // Prevent opening multiple dialogs if tapped on button quickly
905 super.show(manager, tag);
910 public Dialog onCreateDialog(Bundle savedInstanceState) {
911 final Bundle args = getArguments();
913 return new AlertDialog.Builder(getActivity())
914 .setTitle(args.getInt(ARG_TITLE_RES))
915 .setMessage(args.getInt(ARG_MESSAGE_RES))
916 .setPositiveButton(R.string.unlock_disable_frp_warning_ok,
917 new DialogInterface.OnClickListener() {
919 public void onClick(DialogInterface dialog, int whichButton) {
920 ((ChooseLockGenericFragment) getParentFragment())
922 args.getString(ARG_UNLOCK_METHOD_TO_SET));
926 .setNegativeButton(R.string.cancel,
927 new DialogInterface.OnClickListener() {
929 public void onClick(DialogInterface dialog, int whichButton) {