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.fingerprint; 18 19 20 import android.annotation.Nullable; 21 import android.app.Activity; 22 import android.app.AlertDialog; 23 import android.app.Dialog; 24 import android.app.DialogFragment; 25 import android.app.admin.DevicePolicyManager; 26 import android.content.ActivityNotFoundException; 27 import android.content.Context; 28 import android.content.DialogInterface; 29 import android.content.Intent; 30 import android.graphics.Typeface; 31 import android.graphics.drawable.Drawable; 32 import android.hardware.fingerprint.Fingerprint; 33 import android.hardware.fingerprint.FingerprintManager; 34 import android.hardware.fingerprint.FingerprintManager.AuthenticationCallback; 35 import android.hardware.fingerprint.FingerprintManager.AuthenticationResult; 36 import android.hardware.fingerprint.FingerprintManager.RemovalCallback; 37 import android.os.Bundle; 38 import android.os.CancellationSignal; 39 import android.os.Handler; 40 import android.os.UserHandle; 41 import android.os.UserManager; 42 import android.support.v7.preference.Preference; 43 import android.support.v7.preference.Preference.OnPreferenceClickListener; 44 import android.support.v7.preference.Preference.OnPreferenceChangeListener; 45 import android.support.v7.preference.PreferenceGroup; 46 import android.support.v7.preference.PreferenceScreen; 47 import android.support.v7.preference.PreferenceViewHolder; 48 import android.text.Annotation; 49 import android.text.SpannableString; 50 import android.text.SpannableStringBuilder; 51 import android.text.TextPaint; 52 import android.text.method.LinkMovementMethod; 53 import android.text.style.URLSpan; 54 import android.util.AttributeSet; 55 import android.util.Log; 56 import android.view.LayoutInflater; 57 import android.view.View; 58 import android.view.WindowManager; 59 import android.widget.EditText; 60 import android.widget.TextView; 61 import android.widget.Toast; 62 63 import com.android.internal.logging.MetricsLogger; 64 import com.android.internal.logging.MetricsProto.MetricsEvent; 65 import com.android.settings.ChooseLockGeneric; 66 import com.android.settings.ChooseLockSettingsHelper; 67 import com.android.settingslib.HelpUtils; 68 import com.android.settings.R; 69 import com.android.settings.SettingsPreferenceFragment; 70 import com.android.settings.SubSettings; 71 import com.android.settings.Utils; 72 import com.android.settingslib.RestrictedLockUtils; 73 74 import java.util.List; 75 76 import static com.android.settingslib.RestrictedLockUtils.EnforcedAdmin; 77 78 /** 79 * Settings screen for fingerprints 80 */ 81 public class FingerprintSettings extends SubSettings { 82 83 private static final String TAG = "FingerprintSettings"; 84 85 /** 86 * Used by the choose fingerprint wizard to indicate the wizard is 87 * finished, and each activity in the wizard should finish. 88 * <p> 89 * Previously, each activity in the wizard would finish itself after 90 * starting the next activity. However, this leads to broken 'Back' 91 * behavior. So, now an activity does not finish itself until it gets this 92 * result. 93 */ 94 protected static final int RESULT_FINISHED = RESULT_FIRST_USER; 95 96 /** 97 * Used by the enrolling screen during setup wizard to skip over setting up fingerprint, which 98 * will be useful if the user accidentally entered this flow. 99 */ 100 protected static final int RESULT_SKIP = RESULT_FIRST_USER + 1; 101 102 /** 103 * Like {@link #RESULT_FINISHED} except this one indicates enrollment failed because the 104 * device was left idle. This is used to clear the credential token to require the user to 105 * re-enter their pin/pattern/password before continuing. 106 */ 107 protected static final int RESULT_TIMEOUT = RESULT_FIRST_USER + 2; 108 109 private static final long LOCKOUT_DURATION = 30000; // time we have to wait for fp to reset, ms 110 111 public static final String KEY_FINGERPRINT_SETTINGS = "fingerprint_settings"; 112 113 @Override getIntent()114 public Intent getIntent() { 115 Intent modIntent = new Intent(super.getIntent()); 116 modIntent.putExtra(EXTRA_SHOW_FRAGMENT, FingerprintSettingsFragment.class.getName()); 117 return modIntent; 118 } 119 120 @Override isValidFragment(String fragmentName)121 protected boolean isValidFragment(String fragmentName) { 122 if (FingerprintSettingsFragment.class.getName().equals(fragmentName)) return true; 123 return false; 124 } 125 126 @Override onCreate(Bundle savedInstanceState)127 public void onCreate(Bundle savedInstanceState) { 128 super.onCreate(savedInstanceState); 129 CharSequence msg = getText(R.string.security_settings_fingerprint_preference_title); 130 setTitle(msg); 131 } 132 133 public static class FingerprintSettingsFragment extends SettingsPreferenceFragment 134 implements OnPreferenceChangeListener { 135 private static final int MAX_RETRY_ATTEMPTS = 20; 136 private static final int RESET_HIGHLIGHT_DELAY_MS = 500; 137 138 private static final String TAG = "FingerprintSettings"; 139 private static final String KEY_FINGERPRINT_ITEM_PREFIX = "key_fingerprint_item"; 140 private static final String KEY_FINGERPRINT_ADD = "key_fingerprint_add"; 141 private static final String KEY_FINGERPRINT_ENABLE_KEYGUARD_TOGGLE = 142 "fingerprint_enable_keyguard_toggle"; 143 private static final String KEY_LAUNCHED_CONFIRM = "launched_confirm"; 144 145 private static final int MSG_REFRESH_FINGERPRINT_TEMPLATES = 1000; 146 private static final int MSG_FINGER_AUTH_SUCCESS = 1001; 147 private static final int MSG_FINGER_AUTH_FAIL = 1002; 148 private static final int MSG_FINGER_AUTH_ERROR = 1003; 149 private static final int MSG_FINGER_AUTH_HELP = 1004; 150 151 private static final int CONFIRM_REQUEST = 101; 152 private static final int CHOOSE_LOCK_GENERIC_REQUEST = 102; 153 154 private static final int ADD_FINGERPRINT_REQUEST = 10; 155 156 protected static final boolean DEBUG = true; 157 158 private FingerprintManager mFingerprintManager; 159 private CancellationSignal mFingerprintCancel; 160 private boolean mInFingerprintLockout; 161 private byte[] mToken; 162 private boolean mLaunchedConfirm; 163 private Drawable mHighlightDrawable; 164 private int mUserId; 165 166 private AuthenticationCallback mAuthCallback = new AuthenticationCallback() { 167 @Override 168 public void onAuthenticationSucceeded(AuthenticationResult result) { 169 int fingerId = result.getFingerprint().getFingerId(); 170 mHandler.obtainMessage(MSG_FINGER_AUTH_SUCCESS, fingerId, 0).sendToTarget(); 171 } 172 173 @Override 174 public void onAuthenticationFailed() { 175 mHandler.obtainMessage(MSG_FINGER_AUTH_FAIL).sendToTarget(); 176 }; 177 178 @Override 179 public void onAuthenticationError(int errMsgId, CharSequence errString) { 180 mHandler.obtainMessage(MSG_FINGER_AUTH_ERROR, errMsgId, 0, errString) 181 .sendToTarget(); 182 } 183 184 @Override 185 public void onAuthenticationHelp(int helpMsgId, CharSequence helpString) { 186 mHandler.obtainMessage(MSG_FINGER_AUTH_HELP, helpMsgId, 0, helpString) 187 .sendToTarget(); 188 } 189 }; 190 private RemovalCallback mRemoveCallback = new RemovalCallback() { 191 192 @Override 193 public void onRemovalSucceeded(Fingerprint fingerprint) { 194 mHandler.obtainMessage(MSG_REFRESH_FINGERPRINT_TEMPLATES, 195 fingerprint.getFingerId(), 0).sendToTarget(); 196 } 197 198 @Override 199 public void onRemovalError(Fingerprint fp, int errMsgId, CharSequence errString) { 200 final Activity activity = getActivity(); 201 if (activity != null) { 202 Toast.makeText(activity, errString, Toast.LENGTH_SHORT); 203 } 204 } 205 }; 206 private final Handler mHandler = new Handler() { 207 @Override 208 public void handleMessage(android.os.Message msg) { 209 switch (msg.what) { 210 case MSG_REFRESH_FINGERPRINT_TEMPLATES: 211 removeFingerprintPreference(msg.arg1); 212 updateAddPreference(); 213 retryFingerprint(); 214 break; 215 case MSG_FINGER_AUTH_SUCCESS: 216 mFingerprintCancel = null; 217 highlightFingerprintItem(msg.arg1); 218 retryFingerprint(); 219 break; 220 case MSG_FINGER_AUTH_FAIL: 221 // No action required... fingerprint will allow up to 5 of these 222 break; 223 case MSG_FINGER_AUTH_ERROR: 224 handleError(msg.arg1 /* errMsgId */, (CharSequence) msg.obj /* errStr */ ); 225 break; 226 case MSG_FINGER_AUTH_HELP: { 227 // Not used 228 } 229 break; 230 } 231 }; 232 }; 233 stopFingerprint()234 private void stopFingerprint() { 235 if (mFingerprintCancel != null && !mFingerprintCancel.isCanceled()) { 236 mFingerprintCancel.cancel(); 237 } 238 mFingerprintCancel = null; 239 } 240 241 /** 242 * @param errMsgId 243 */ handleError(int errMsgId, CharSequence msg)244 protected void handleError(int errMsgId, CharSequence msg) { 245 mFingerprintCancel = null; 246 switch (errMsgId) { 247 case FingerprintManager.FINGERPRINT_ERROR_CANCELED: 248 return; // Only happens if we get preempted by another activity. Ignored. 249 case FingerprintManager.FINGERPRINT_ERROR_LOCKOUT: 250 mInFingerprintLockout = true; 251 // We've been locked out. Reset after 30s. 252 if (!mHandler.hasCallbacks(mFingerprintLockoutReset)) { 253 mHandler.postDelayed(mFingerprintLockoutReset, 254 LOCKOUT_DURATION); 255 } 256 // Fall through to show message 257 default: 258 // Activity can be null on a screen rotation. 259 final Activity activity = getActivity(); 260 if (activity != null) { 261 Toast.makeText(activity, msg , Toast.LENGTH_SHORT); 262 } 263 break; 264 } 265 retryFingerprint(); // start again 266 } 267 retryFingerprint()268 private void retryFingerprint() { 269 if (!mInFingerprintLockout) { 270 mFingerprintCancel = new CancellationSignal(); 271 mFingerprintManager.authenticate(null, mFingerprintCancel, 0 /* flags */, 272 mAuthCallback, null, mUserId); 273 } 274 } 275 276 @Override getMetricsCategory()277 protected int getMetricsCategory() { 278 return MetricsEvent.FINGERPRINT; 279 } 280 281 @Override onCreate(Bundle savedInstanceState)282 public void onCreate(Bundle savedInstanceState) { 283 super.onCreate(savedInstanceState); 284 if (savedInstanceState != null) { 285 mToken = savedInstanceState.getByteArray( 286 ChooseLockSettingsHelper.EXTRA_KEY_CHALLENGE_TOKEN); 287 mLaunchedConfirm = savedInstanceState.getBoolean( 288 KEY_LAUNCHED_CONFIRM, false); 289 } 290 mUserId = getActivity().getIntent().getIntExtra( 291 Intent.EXTRA_USER_ID, UserHandle.myUserId()); 292 293 Activity activity = getActivity(); 294 mFingerprintManager = (FingerprintManager) activity.getSystemService( 295 Context.FINGERPRINT_SERVICE); 296 297 // Need to authenticate a session token if none 298 if (mToken == null && mLaunchedConfirm == false) { 299 mLaunchedConfirm = true; 300 launchChooseOrConfirmLock(); 301 } 302 } 303 304 @Override onViewCreated(View view, @Nullable Bundle savedInstanceState)305 public void onViewCreated(View view, @Nullable Bundle savedInstanceState) { 306 super.onViewCreated(view, savedInstanceState); 307 TextView v = (TextView) LayoutInflater.from(view.getContext()).inflate( 308 R.layout.fingerprint_settings_footer, null); 309 EnforcedAdmin admin = RestrictedLockUtils.checkIfKeyguardFeaturesDisabled( 310 getActivity(), DevicePolicyManager.KEYGUARD_DISABLE_FINGERPRINT, mUserId); 311 v.setText(LearnMoreSpan.linkify(getText(admin != null 312 ? R.string.security_settings_fingerprint_enroll_disclaimer_lockscreen_disabled 313 : R.string.security_settings_fingerprint_enroll_disclaimer), 314 getString(getHelpResource()), admin)); 315 v.setMovementMethod(new LinkMovementMethod()); 316 setFooterView(v); 317 } 318 removeFingerprintPreference(int fingerprintId)319 protected void removeFingerprintPreference(int fingerprintId) { 320 String name = genKey(fingerprintId); 321 Preference prefToRemove = findPreference(name); 322 if (prefToRemove != null) { 323 if (!getPreferenceScreen().removePreference(prefToRemove)) { 324 Log.w(TAG, "Failed to remove preference with key " + name); 325 } 326 } else { 327 Log.w(TAG, "Can't find preference to remove: " + name); 328 } 329 } 330 331 /** 332 * Important! 333 * 334 * Don't forget to update the SecuritySearchIndexProvider if you are doing any change in the 335 * logic or adding/removing preferences here. 336 */ createPreferenceHierarchy()337 private PreferenceScreen createPreferenceHierarchy() { 338 PreferenceScreen root = getPreferenceScreen(); 339 if (root != null) { 340 root.removeAll(); 341 } 342 addPreferencesFromResource(R.xml.security_settings_fingerprint); 343 root = getPreferenceScreen(); 344 addFingerprintItemPreferences(root); 345 setPreferenceScreen(root); 346 return root; 347 } 348 addFingerprintItemPreferences(PreferenceGroup root)349 private void addFingerprintItemPreferences(PreferenceGroup root) { 350 root.removeAll(); 351 final List<Fingerprint> items = mFingerprintManager.getEnrolledFingerprints(mUserId); 352 final int fingerprintCount = items.size(); 353 for (int i = 0; i < fingerprintCount; i++) { 354 final Fingerprint item = items.get(i); 355 FingerprintPreference pref = new FingerprintPreference(root.getContext()); 356 pref.setKey(genKey(item.getFingerId())); 357 pref.setTitle(item.getName()); 358 pref.setFingerprint(item); 359 pref.setPersistent(false); 360 root.addPreference(pref); 361 pref.setOnPreferenceChangeListener(this); 362 } 363 Preference addPreference = new Preference(root.getContext()); 364 addPreference.setKey(KEY_FINGERPRINT_ADD); 365 addPreference.setTitle(R.string.fingerprint_add_title); 366 addPreference.setIcon(R.drawable.ic_add_24dp); 367 root.addPreference(addPreference); 368 addPreference.setOnPreferenceChangeListener(this); 369 updateAddPreference(); 370 } 371 updateAddPreference()372 private void updateAddPreference() { 373 /* Disable preference if too many fingerprints added */ 374 final int max = getContext().getResources().getInteger( 375 com.android.internal.R.integer.config_fingerprintMaxTemplatesPerUser); 376 boolean tooMany = mFingerprintManager.getEnrolledFingerprints(mUserId).size() >= max; 377 CharSequence maxSummary = tooMany ? 378 getContext().getString(R.string.fingerprint_add_max, max) : ""; 379 Preference addPreference = findPreference(KEY_FINGERPRINT_ADD); 380 addPreference.setSummary(maxSummary); 381 addPreference.setEnabled(!tooMany); 382 } 383 genKey(int id)384 private static String genKey(int id) { 385 return KEY_FINGERPRINT_ITEM_PREFIX + "_" + id; 386 } 387 388 @Override onResume()389 public void onResume() { 390 super.onResume(); 391 // Make sure we reload the preference hierarchy since fingerprints may be added, 392 // deleted or renamed. 393 updatePreferences(); 394 } 395 updatePreferences()396 private void updatePreferences() { 397 createPreferenceHierarchy(); 398 retryFingerprint(); 399 } 400 401 @Override onPause()402 public void onPause() { 403 super.onPause(); 404 stopFingerprint(); 405 } 406 407 @Override onSaveInstanceState(final Bundle outState)408 public void onSaveInstanceState(final Bundle outState) { 409 outState.putByteArray(ChooseLockSettingsHelper.EXTRA_KEY_CHALLENGE_TOKEN, 410 mToken); 411 outState.putBoolean(KEY_LAUNCHED_CONFIRM, mLaunchedConfirm); 412 } 413 414 @Override onPreferenceTreeClick(Preference pref)415 public boolean onPreferenceTreeClick(Preference pref) { 416 final String key = pref.getKey(); 417 if (KEY_FINGERPRINT_ADD.equals(key)) { 418 Intent intent = new Intent(); 419 intent.setClassName("com.android.settings", 420 FingerprintEnrollEnrolling.class.getName()); 421 intent.putExtra(Intent.EXTRA_USER_ID, mUserId); 422 intent.putExtra(ChooseLockSettingsHelper.EXTRA_KEY_CHALLENGE_TOKEN, mToken); 423 startActivityForResult(intent, ADD_FINGERPRINT_REQUEST); 424 } else if (pref instanceof FingerprintPreference) { 425 FingerprintPreference fpref = (FingerprintPreference) pref; 426 final Fingerprint fp =fpref.getFingerprint(); 427 showRenameDeleteDialog(fp); 428 return super.onPreferenceTreeClick(pref); 429 } 430 return true; 431 } 432 showRenameDeleteDialog(final Fingerprint fp)433 private void showRenameDeleteDialog(final Fingerprint fp) { 434 RenameDeleteDialog renameDeleteDialog = new RenameDeleteDialog(); 435 Bundle args = new Bundle(); 436 args.putParcelable("fingerprint", fp); 437 renameDeleteDialog.setArguments(args); 438 renameDeleteDialog.setTargetFragment(this, 0); 439 renameDeleteDialog.show(getFragmentManager(), RenameDeleteDialog.class.getName()); 440 } 441 442 @Override onPreferenceChange(Preference preference, Object value)443 public boolean onPreferenceChange(Preference preference, Object value) { 444 boolean result = true; 445 final String key = preference.getKey(); 446 if (KEY_FINGERPRINT_ENABLE_KEYGUARD_TOGGLE.equals(key)) { 447 // TODO 448 } else { 449 Log.v(TAG, "Unknown key:" + key); 450 } 451 return result; 452 } 453 454 @Override getHelpResource()455 protected int getHelpResource() { 456 return R.string.help_url_fingerprint; 457 } 458 459 @Override onActivityResult(int requestCode, int resultCode, Intent data)460 public void onActivityResult(int requestCode, int resultCode, Intent data) { 461 super.onActivityResult(requestCode, resultCode, data); 462 if (requestCode == CHOOSE_LOCK_GENERIC_REQUEST 463 || requestCode == CONFIRM_REQUEST) { 464 if (resultCode == RESULT_FINISHED || resultCode == RESULT_OK) { 465 // The lock pin/pattern/password was set. Start enrolling! 466 if (data != null) { 467 mToken = data.getByteArrayExtra( 468 ChooseLockSettingsHelper.EXTRA_KEY_CHALLENGE_TOKEN); 469 } 470 } 471 } else if (requestCode == ADD_FINGERPRINT_REQUEST) { 472 if (resultCode == RESULT_TIMEOUT) { 473 Activity activity = getActivity(); 474 activity.setResult(RESULT_TIMEOUT); 475 activity.finish(); 476 } 477 } 478 479 if (mToken == null) { 480 // Didn't get an authentication, finishing 481 getActivity().finish(); 482 } 483 } 484 485 @Override onDestroy()486 public void onDestroy() { 487 super.onDestroy(); 488 if (getActivity().isFinishing()) { 489 int result = mFingerprintManager.postEnroll(); 490 if (result < 0) { 491 Log.w(TAG, "postEnroll failed: result = " + result); 492 } 493 } 494 } 495 getHighlightDrawable()496 private Drawable getHighlightDrawable() { 497 if (mHighlightDrawable == null) { 498 final Activity activity = getActivity(); 499 if (activity != null) { 500 mHighlightDrawable = activity.getDrawable(R.drawable.preference_highlight); 501 } 502 } 503 return mHighlightDrawable; 504 } 505 highlightFingerprintItem(int fpId)506 private void highlightFingerprintItem(int fpId) { 507 String prefName = genKey(fpId); 508 FingerprintPreference fpref = (FingerprintPreference) findPreference(prefName); 509 final Drawable highlight = getHighlightDrawable(); 510 if (highlight != null) { 511 final View view = fpref.getView(); 512 final int centerX = view.getWidth() / 2; 513 final int centerY = view.getHeight() / 2; 514 highlight.setHotspot(centerX, centerY); 515 view.setBackground(highlight); 516 view.setPressed(true); 517 view.setPressed(false); 518 mHandler.postDelayed(new Runnable() { 519 @Override 520 public void run() { 521 view.setBackground(null); 522 } 523 }, RESET_HIGHLIGHT_DELAY_MS); 524 } 525 } 526 launchChooseOrConfirmLock()527 private void launchChooseOrConfirmLock() { 528 Intent intent = new Intent(); 529 long challenge = mFingerprintManager.preEnroll(); 530 ChooseLockSettingsHelper helper = new ChooseLockSettingsHelper(getActivity(), this); 531 if (!helper.launchConfirmationActivity(CONFIRM_REQUEST, 532 getString(R.string.security_settings_fingerprint_preference_title), 533 null, null, challenge, mUserId)) { 534 intent.setClassName("com.android.settings", ChooseLockGeneric.class.getName()); 535 intent.putExtra(ChooseLockGeneric.ChooseLockGenericFragment.MINIMUM_QUALITY_KEY, 536 DevicePolicyManager.PASSWORD_QUALITY_SOMETHING); 537 intent.putExtra(ChooseLockGeneric.ChooseLockGenericFragment.HIDE_DISABLED_PREFS, 538 true); 539 intent.putExtra(ChooseLockSettingsHelper.EXTRA_KEY_HAS_CHALLENGE, true); 540 intent.putExtra(Intent.EXTRA_USER_ID, mUserId); 541 intent.putExtra(ChooseLockSettingsHelper.EXTRA_KEY_CHALLENGE, challenge); 542 intent.putExtra(Intent.EXTRA_USER_ID, mUserId); 543 startActivityForResult(intent, CHOOSE_LOCK_GENERIC_REQUEST); 544 } 545 } 546 deleteFingerPrint(Fingerprint fingerPrint)547 private void deleteFingerPrint(Fingerprint fingerPrint) { 548 mFingerprintManager.remove(fingerPrint, mUserId, mRemoveCallback); 549 } 550 renameFingerPrint(int fingerId, String newName)551 private void renameFingerPrint(int fingerId, String newName) { 552 mFingerprintManager.rename(fingerId, mUserId, newName); 553 updatePreferences(); 554 } 555 556 private final Runnable mFingerprintLockoutReset = new Runnable() { 557 @Override 558 public void run() { 559 mInFingerprintLockout = false; 560 retryFingerprint(); 561 } 562 }; 563 564 public static class RenameDeleteDialog extends DialogFragment { 565 566 private Fingerprint mFp; 567 private EditText mDialogTextField; 568 private String mFingerName; 569 private Boolean mTextHadFocus; 570 private int mTextSelectionStart; 571 private int mTextSelectionEnd; 572 573 @Override onCreateDialog(Bundle savedInstanceState)574 public Dialog onCreateDialog(Bundle savedInstanceState) { 575 mFp = getArguments().getParcelable("fingerprint"); 576 if (savedInstanceState != null) { 577 mFingerName = savedInstanceState.getString("fingerName"); 578 mTextHadFocus = savedInstanceState.getBoolean("textHadFocus"); 579 mTextSelectionStart = savedInstanceState.getInt("startSelection"); 580 mTextSelectionEnd = savedInstanceState.getInt("endSelection"); 581 } 582 final AlertDialog alertDialog = new AlertDialog.Builder(getActivity()) 583 .setView(R.layout.fingerprint_rename_dialog) 584 .setPositiveButton(R.string.security_settings_fingerprint_enroll_dialog_ok, 585 new DialogInterface.OnClickListener() { 586 @Override 587 public void onClick(DialogInterface dialog, int which) { 588 final String newName = 589 mDialogTextField.getText().toString(); 590 final CharSequence name = mFp.getName(); 591 if (!newName.equals(name)) { 592 if (DEBUG) { 593 Log.v(TAG, "rename " + name + " to " + newName); 594 } 595 MetricsLogger.action(getContext(), 596 MetricsEvent.ACTION_FINGERPRINT_RENAME, 597 mFp.getFingerId()); 598 FingerprintSettingsFragment parent 599 = (FingerprintSettingsFragment) 600 getTargetFragment(); 601 parent.renameFingerPrint(mFp.getFingerId(), 602 newName); 603 } 604 dialog.dismiss(); 605 } 606 }) 607 .setNegativeButton( 608 R.string.security_settings_fingerprint_enroll_dialog_delete, 609 new DialogInterface.OnClickListener() { 610 @Override 611 public void onClick(DialogInterface dialog, int which) { 612 onDeleteClick(dialog); 613 } 614 }) 615 .create(); 616 alertDialog.setOnShowListener(new DialogInterface.OnShowListener() { 617 @Override 618 public void onShow(DialogInterface dialog) { 619 mDialogTextField = (EditText) alertDialog.findViewById( 620 R.id.fingerprint_rename_field); 621 CharSequence name = mFingerName == null ? mFp.getName() : mFingerName; 622 mDialogTextField.setText(name); 623 if (mTextHadFocus == null) { 624 mDialogTextField.selectAll(); 625 } else { 626 mDialogTextField.setSelection(mTextSelectionStart, mTextSelectionEnd); 627 } 628 } 629 }); 630 if (mTextHadFocus == null || mTextHadFocus) { 631 // Request the IME 632 alertDialog.getWindow().setSoftInputMode( 633 WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_VISIBLE); 634 } 635 return alertDialog; 636 } 637 onDeleteClick(DialogInterface dialog)638 private void onDeleteClick(DialogInterface dialog) { 639 if (DEBUG) Log.v(TAG, "Removing fpId=" + mFp.getFingerId()); 640 MetricsLogger.action(getContext(), MetricsEvent.ACTION_FINGERPRINT_DELETE, 641 mFp.getFingerId()); 642 FingerprintSettingsFragment parent 643 = (FingerprintSettingsFragment) getTargetFragment(); 644 final boolean isProfileChallengeUser = 645 Utils.isManagedProfile(UserManager.get(getContext()), parent.mUserId); 646 if (parent.mFingerprintManager.getEnrolledFingerprints(parent.mUserId).size() > 1) { 647 parent.deleteFingerPrint(mFp); 648 } else { 649 ConfirmLastDeleteDialog lastDeleteDialog = new ConfirmLastDeleteDialog(); 650 Bundle args = new Bundle(); 651 args.putParcelable("fingerprint", mFp); 652 args.putBoolean("isProfileChallengeUser", isProfileChallengeUser); 653 lastDeleteDialog.setArguments(args); 654 lastDeleteDialog.setTargetFragment(getTargetFragment(), 0); 655 lastDeleteDialog.show(getFragmentManager(), 656 ConfirmLastDeleteDialog.class.getName()); 657 } 658 dialog.dismiss(); 659 } 660 661 @Override onSaveInstanceState(Bundle outState)662 public void onSaveInstanceState(Bundle outState) { 663 super.onSaveInstanceState(outState); 664 if (mDialogTextField != null) { 665 outState.putString("fingerName", mDialogTextField.getText().toString()); 666 outState.putBoolean("textHadFocus", mDialogTextField.hasFocus()); 667 outState.putInt("startSelection", mDialogTextField.getSelectionStart()); 668 outState.putInt("endSelection", mDialogTextField.getSelectionEnd()); 669 } 670 } 671 } 672 673 public static class ConfirmLastDeleteDialog extends DialogFragment { 674 675 private Fingerprint mFp; 676 677 @Override onCreateDialog(Bundle savedInstanceState)678 public Dialog onCreateDialog(Bundle savedInstanceState) { 679 mFp = getArguments().getParcelable("fingerprint"); 680 final boolean isProfileChallengeUser = 681 getArguments().getBoolean("isProfileChallengeUser"); 682 final AlertDialog alertDialog = new AlertDialog.Builder(getActivity()) 683 .setTitle(R.string.fingerprint_last_delete_title) 684 .setMessage((isProfileChallengeUser) 685 ? R.string.fingerprint_last_delete_message_profile_challenge 686 : R.string.fingerprint_last_delete_message) 687 .setPositiveButton(R.string.fingerprint_last_delete_confirm, 688 new DialogInterface.OnClickListener() { 689 @Override 690 public void onClick(DialogInterface dialog, int which) { 691 FingerprintSettingsFragment parent 692 = (FingerprintSettingsFragment) getTargetFragment(); 693 parent.deleteFingerPrint(mFp); 694 dialog.dismiss(); 695 } 696 }) 697 .setNegativeButton( 698 R.string.cancel, 699 new DialogInterface.OnClickListener() { 700 @Override 701 public void onClick(DialogInterface dialog, int which) { 702 dialog.dismiss(); 703 } 704 }) 705 .create(); 706 return alertDialog; 707 } 708 } 709 } 710 711 public static class FingerprintPreference extends Preference { 712 private Fingerprint mFingerprint; 713 private View mView; 714 FingerprintPreference(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes)715 public FingerprintPreference(Context context, AttributeSet attrs, int defStyleAttr, 716 int defStyleRes) { 717 super(context, attrs, defStyleAttr, defStyleRes); 718 } FingerprintPreference(Context context, AttributeSet attrs, int defStyleAttr)719 public FingerprintPreference(Context context, AttributeSet attrs, int defStyleAttr) { 720 this(context, attrs, defStyleAttr, 0); 721 } 722 FingerprintPreference(Context context, AttributeSet attrs)723 public FingerprintPreference(Context context, AttributeSet attrs) { 724 this(context, attrs, com.android.internal.R.attr.preferenceStyle); 725 } 726 FingerprintPreference(Context context)727 public FingerprintPreference(Context context) { 728 this(context, null); 729 } 730 getView()731 public View getView() { return mView; } 732 setFingerprint(Fingerprint item)733 public void setFingerprint(Fingerprint item) { 734 mFingerprint = item; 735 } 736 getFingerprint()737 public Fingerprint getFingerprint() { 738 return mFingerprint; 739 } 740 741 @Override onBindViewHolder(PreferenceViewHolder view)742 public void onBindViewHolder(PreferenceViewHolder view) { 743 super.onBindViewHolder(view); 744 mView = view.itemView; 745 } 746 }; 747 748 private static class LearnMoreSpan extends URLSpan { 749 750 private static final Typeface TYPEFACE_MEDIUM = 751 Typeface.create("sans-serif-medium", Typeface.NORMAL); 752 753 private static final String ANNOTATION_URL = "url"; 754 private static final String ANNOTATION_ADMIN_DETAILS = "admin_details"; 755 756 private EnforcedAdmin mEnforcedAdmin = null; 757 LearnMoreSpan(String url)758 private LearnMoreSpan(String url) { 759 super(url); 760 } 761 LearnMoreSpan(EnforcedAdmin admin)762 private LearnMoreSpan(EnforcedAdmin admin) { 763 super((String) null); 764 mEnforcedAdmin = admin; 765 } 766 767 @Override onClick(View widget)768 public void onClick(View widget) { 769 Context ctx = widget.getContext(); 770 if (mEnforcedAdmin != null) { 771 RestrictedLockUtils.sendShowAdminSupportDetailsIntent(ctx, mEnforcedAdmin); 772 } else { 773 Intent intent = HelpUtils.getHelpIntent(ctx, getURL(), ctx.getClass().getName()); 774 try { 775 widget.startActivityForResult(intent, 0); 776 } catch (ActivityNotFoundException e) { 777 Log.w(FingerprintSettingsFragment.TAG, 778 "Actvity was not found for intent, " + intent.toString()); 779 } 780 } 781 } 782 783 @Override updateDrawState(TextPaint ds)784 public void updateDrawState(TextPaint ds) { 785 super.updateDrawState(ds); 786 ds.setUnderlineText(false); 787 ds.setTypeface(TYPEFACE_MEDIUM); 788 } 789 linkify(CharSequence rawText, String uri, EnforcedAdmin admin)790 public static CharSequence linkify(CharSequence rawText, String uri, EnforcedAdmin admin) { 791 SpannableString msg = new SpannableString(rawText); 792 Annotation[] spans = msg.getSpans(0, msg.length(), Annotation.class); 793 SpannableStringBuilder builder = new SpannableStringBuilder(msg); 794 for (Annotation annotation : spans) { 795 final String key = annotation.getValue(); 796 int start = msg.getSpanStart(annotation); 797 int end = msg.getSpanEnd(annotation); 798 LearnMoreSpan link = null; 799 if (ANNOTATION_URL.equals(key)) { 800 link = new LearnMoreSpan(uri); 801 } else if (ANNOTATION_ADMIN_DETAILS.equals(key)) { 802 link = new LearnMoreSpan(admin); 803 } 804 if (link != null) { 805 builder.setSpan(link, start, end, msg.getSpanFlags(link)); 806 } 807 } 808 return builder; 809 } 810 } 811 getFingerprintPreferenceForUser(Context context, final int userId)812 public static Preference getFingerprintPreferenceForUser(Context context, final int userId) { 813 FingerprintManager fpm = (FingerprintManager) context.getSystemService( 814 Context.FINGERPRINT_SERVICE); 815 if (fpm == null || !fpm.isHardwareDetected()) { 816 Log.v(TAG, "No fingerprint hardware detected!!"); 817 return null; 818 } 819 Preference fingerprintPreference = new Preference(context); 820 fingerprintPreference.setKey(KEY_FINGERPRINT_SETTINGS); 821 fingerprintPreference.setTitle(R.string.security_settings_fingerprint_preference_title); 822 final List<Fingerprint> items = fpm.getEnrolledFingerprints(userId); 823 final int fingerprintCount = items != null ? items.size() : 0; 824 final String clazz; 825 if (fingerprintCount > 0) { 826 fingerprintPreference.setSummary(context.getResources().getQuantityString( 827 R.plurals.security_settings_fingerprint_preference_summary, 828 fingerprintCount, fingerprintCount)); 829 clazz = FingerprintSettings.class.getName(); 830 } else { 831 fingerprintPreference.setSummary( 832 R.string.security_settings_fingerprint_preference_summary_none); 833 clazz = FingerprintEnrollIntroduction.class.getName(); 834 } 835 fingerprintPreference.setOnPreferenceClickListener(new OnPreferenceClickListener() { 836 @Override 837 public boolean onPreferenceClick(Preference preference) { 838 final Context context = preference.getContext(); 839 final UserManager userManager = UserManager.get(context); 840 if (Utils.startQuietModeDialogIfNecessary(context, userManager, 841 userId)) { 842 return false; 843 } 844 Intent intent = new Intent(); 845 intent.setClassName("com.android.settings", clazz); 846 intent.putExtra(Intent.EXTRA_USER_ID, userId); 847 context.startActivity(intent); 848 return true; 849 } 850 }); 851 return fingerprintPreference; 852 } 853 } 854