WifiSettings.java revision 790dcdcd96591abe2dd59c240149a202fde46406
1/* 2 * Copyright (C) 2010 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 17package com.android.settings.wifi; 18 19import static android.os.UserManager.DISALLOW_CONFIG_WIFI; 20 21import android.annotation.NonNull; 22import android.app.Activity; 23import android.app.Dialog; 24import android.content.ContentResolver; 25import android.content.Context; 26import android.content.Intent; 27import android.content.res.Resources; 28import android.net.ConnectivityManager; 29import android.net.NetworkInfo; 30import android.net.NetworkInfo.State; 31import android.net.wifi.WifiConfiguration; 32import android.net.wifi.WifiManager; 33import android.net.wifi.WpsInfo; 34import android.nfc.NfcAdapter; 35import android.os.Bundle; 36import android.os.Handler; 37import android.os.PowerManager; 38import android.provider.Settings; 39import android.support.annotation.VisibleForTesting; 40import android.support.v7.preference.Preference; 41import android.support.v7.preference.PreferenceCategory; 42import android.util.Log; 43import android.view.ContextMenu; 44import android.view.ContextMenu.ContextMenuInfo; 45import android.view.Menu; 46import android.view.MenuItem; 47import android.view.View; 48import android.widget.Toast; 49 50import com.android.internal.logging.nano.MetricsProto.MetricsEvent; 51import com.android.settings.LinkifyUtils; 52import com.android.settings.R; 53import com.android.settings.RestrictedSettingsFragment; 54import com.android.settings.SettingsActivity; 55import com.android.settings.dashboard.SummaryLoader; 56import com.android.settings.location.ScanningSettings; 57import com.android.settings.search.BaseSearchIndexProvider; 58import com.android.settings.search.Indexable; 59import com.android.settings.search.SearchIndexableRaw; 60import com.android.settings.widget.SummaryUpdater.OnSummaryChangeListener; 61import com.android.settings.widget.SwitchBarController; 62import com.android.settings.wifi.details.WifiNetworkDetailsFragment; 63import com.android.settings.wrapper.WifiManagerWrapper; 64import com.android.settingslib.RestrictedLockUtils; 65import com.android.settingslib.wifi.AccessPoint; 66import com.android.settingslib.wifi.AccessPoint.AccessPointListener; 67import com.android.settingslib.wifi.AccessPointPreference; 68import com.android.settingslib.wifi.WifiTracker; 69import com.android.settingslib.wifi.WifiTrackerFactory; 70 71import java.util.ArrayList; 72import java.util.List; 73 74/** 75 * Two types of UI are provided here. 76 * 77 * The first is for "usual Settings", appearing as any other Setup fragment. 78 * 79 * The second is for Setup Wizard, with a simplified interface that hides the action bar 80 * and menus. 81 */ 82public class WifiSettings extends RestrictedSettingsFragment 83 implements Indexable, WifiTracker.WifiListener, AccessPointListener, 84 WifiDialog.WifiDialogListener { 85 86 private static final String TAG = "WifiSettings"; 87 88 /* package */ static final int MENU_ID_WPS_PBC = Menu.FIRST; 89 private static final int MENU_ID_WPS_PIN = Menu.FIRST + 1; 90 private static final int MENU_ID_CONNECT = Menu.FIRST + 6; 91 private static final int MENU_ID_FORGET = Menu.FIRST + 7; 92 private static final int MENU_ID_MODIFY = Menu.FIRST + 8; 93 private static final int MENU_ID_WRITE_NFC = Menu.FIRST + 9; 94 95 public static final int WIFI_DIALOG_ID = 1; 96 /* package */ static final int WPS_PBC_DIALOG_ID = 2; 97 private static final int WPS_PIN_DIALOG_ID = 3; 98 private static final int WRITE_NFC_DIALOG_ID = 6; 99 100 // Instance state keys 101 private static final String SAVE_DIALOG_MODE = "dialog_mode"; 102 private static final String SAVE_DIALOG_ACCESS_POINT_STATE = "wifi_ap_state"; 103 private static final String SAVED_WIFI_NFC_DIALOG_STATE = "wifi_nfc_dlg_state"; 104 105 private static final String PREF_KEY_EMPTY_WIFI_LIST = "wifi_empty_list"; 106 private static final String PREF_KEY_CONNECTED_ACCESS_POINTS = "connected_access_point"; 107 private static final String PREF_KEY_ACCESS_POINTS = "access_points"; 108 private static final String PREF_KEY_ADDITIONAL_SETTINGS = "additional_settings"; 109 private static final String PREF_KEY_CONFIGURE_WIFI_SETTINGS = "configure_settings"; 110 private static final String PREF_KEY_SAVED_NETWORKS = "saved_networks"; 111 112 private static boolean isVerboseLoggingEnabled() { 113 return WifiTracker.sVerboseLogging || Log.isLoggable(TAG, Log.VERBOSE); 114 } 115 116 private final Runnable mUpdateAccessPointsRunnable = () -> { 117 updateAccessPointPreferences(); 118 }; 119 private final Runnable mHideProgressBarRunnable = () -> { 120 setProgressBarVisible(false); 121 }; 122 123 protected WifiManager mWifiManager; 124 private WifiManager.ActionListener mConnectListener; 125 private WifiManager.ActionListener mSaveListener; 126 private WifiManager.ActionListener mForgetListener; 127 128 /** 129 * The state of {@link #isUiRestricted()} at {@link #onCreate(Bundle)}}. This is neccesary to 130 * ensure that behavior is consistent if {@link #isUiRestricted()} changes. It could be changed 131 * by the Test DPC tool in AFW mode. 132 */ 133 private boolean mIsRestricted; 134 135 private WifiEnabler mWifiEnabler; 136 // An access point being editted is stored here. 137 private AccessPoint mSelectedAccessPoint; 138 139 private WifiDialog mDialog; 140 private WriteWifiConfigToNfcDialog mWifiToNfcDialog; 141 142 private View mProgressHeader; 143 144 // this boolean extra specifies whether to disable the Next button when not connected. Used by 145 // account creation outside of setup wizard. 146 private static final String EXTRA_ENABLE_NEXT_ON_CONNECT = "wifi_enable_next_on_connect"; 147 // This string extra specifies a network to open the connect dialog on, so the user can enter 148 // network credentials. This is used by quick settings for secured networks, among other 149 // things. 150 public static final String EXTRA_START_CONNECT_SSID = "wifi_start_connect_ssid"; 151 152 // should Next button only be enabled when we have a connection? 153 private boolean mEnableNextOnConnection; 154 155 // Save the dialog details 156 private int mDialogMode; 157 private AccessPoint mDlgAccessPoint; 158 private Bundle mAccessPointSavedState; 159 private Bundle mWifiNfcDialogSavedState; 160 161 private WifiTracker mWifiTracker; 162 private String mOpenSsid; 163 164 private AccessPointPreference.UserBadgeCache mUserBadgeCache; 165 166 private PreferenceCategory mConnectedAccessPointPreferenceCategory; 167 private PreferenceCategory mAccessPointsPreferenceCategory; 168 private PreferenceCategory mAdditionalSettingsPreferenceCategory; 169 private Preference mAddPreference; 170 private Preference mConfigureWifiSettingsPreference; 171 private Preference mSavedNetworksPreference; 172 private LinkablePreference mStatusMessagePreference; 173 174 // For Search 175 public static final String DATA_KEY_REFERENCE = "main_toggle_wifi"; 176 177 /** 178 * Tracks whether the user initiated a connection via clicking in order to autoscroll to the 179 * network once connected. 180 */ 181 private boolean mClickedConnect; 182 183 /* End of "used in Wifi Setup context" */ 184 185 public WifiSettings() { 186 super(DISALLOW_CONFIG_WIFI); 187 } 188 189 @Override 190 public void onViewCreated(View view, Bundle savedInstanceState) { 191 super.onViewCreated(view, savedInstanceState); 192 final Activity activity = getActivity(); 193 if (activity != null) { 194 mProgressHeader = setPinnedHeaderView(R.layout.wifi_progress_header) 195 .findViewById(R.id.progress_bar_animation); 196 setProgressBarVisible(false); 197 } 198 ((SettingsActivity) activity).getSwitchBar().setSwitchBarText( 199 R.string.wifi_settings_master_switch_title, 200 R.string.wifi_settings_master_switch_title); 201 } 202 203 @Override 204 public void onCreate(Bundle icicle) { 205 super.onCreate(icicle); 206 207 // TODO(b/37429702): Add animations and preference comparator back after initial screen is 208 // loaded (ODR). 209 setAnimationAllowed(false); 210 211 addPreferences(); 212 213 mIsRestricted = isUiRestricted(); 214 } 215 216 private void addPreferences() { 217 addPreferencesFromResource(R.xml.wifi_settings); 218 219 mConnectedAccessPointPreferenceCategory = 220 (PreferenceCategory) findPreference(PREF_KEY_CONNECTED_ACCESS_POINTS); 221 mAccessPointsPreferenceCategory = 222 (PreferenceCategory) findPreference(PREF_KEY_ACCESS_POINTS); 223 mAdditionalSettingsPreferenceCategory = 224 (PreferenceCategory) findPreference(PREF_KEY_ADDITIONAL_SETTINGS); 225 mConfigureWifiSettingsPreference = findPreference(PREF_KEY_CONFIGURE_WIFI_SETTINGS); 226 mSavedNetworksPreference = findPreference(PREF_KEY_SAVED_NETWORKS); 227 228 Context prefContext = getPrefContext(); 229 mAddPreference = new Preference(prefContext); 230 mAddPreference.setIcon(R.drawable.ic_menu_add_inset); 231 mAddPreference.setTitle(R.string.wifi_add_network); 232 mStatusMessagePreference = new LinkablePreference(prefContext); 233 234 mUserBadgeCache = new AccessPointPreference.UserBadgeCache(getPackageManager()); 235 } 236 237 @Override 238 public void onActivityCreated(Bundle savedInstanceState) { 239 super.onActivityCreated(savedInstanceState); 240 241 mWifiTracker = WifiTrackerFactory.create( 242 getActivity(), this, getLifecycle(), true, true); 243 mWifiManager = mWifiTracker.getManager(); 244 245 mConnectListener = new WifiManager.ActionListener() { 246 @Override 247 public void onSuccess() { 248 } 249 @Override 250 public void onFailure(int reason) { 251 Activity activity = getActivity(); 252 if (activity != null) { 253 Toast.makeText(activity, 254 R.string.wifi_failed_connect_message, 255 Toast.LENGTH_SHORT).show(); 256 } 257 } 258 }; 259 260 mSaveListener = new WifiManager.ActionListener() { 261 @Override 262 public void onSuccess() { 263 } 264 @Override 265 public void onFailure(int reason) { 266 Activity activity = getActivity(); 267 if (activity != null) { 268 Toast.makeText(activity, 269 R.string.wifi_failed_save_message, 270 Toast.LENGTH_SHORT).show(); 271 } 272 } 273 }; 274 275 mForgetListener = new WifiManager.ActionListener() { 276 @Override 277 public void onSuccess() { 278 } 279 @Override 280 public void onFailure(int reason) { 281 Activity activity = getActivity(); 282 if (activity != null) { 283 Toast.makeText(activity, 284 R.string.wifi_failed_forget_message, 285 Toast.LENGTH_SHORT).show(); 286 } 287 } 288 }; 289 290 if (savedInstanceState != null) { 291 mDialogMode = savedInstanceState.getInt(SAVE_DIALOG_MODE); 292 if (savedInstanceState.containsKey(SAVE_DIALOG_ACCESS_POINT_STATE)) { 293 mAccessPointSavedState = 294 savedInstanceState.getBundle(SAVE_DIALOG_ACCESS_POINT_STATE); 295 } 296 297 if (savedInstanceState.containsKey(SAVED_WIFI_NFC_DIALOG_STATE)) { 298 mWifiNfcDialogSavedState = 299 savedInstanceState.getBundle(SAVED_WIFI_NFC_DIALOG_STATE); 300 } 301 } 302 303 // if we're supposed to enable/disable the Next button based on our current connection 304 // state, start it off in the right state 305 Intent intent = getActivity().getIntent(); 306 mEnableNextOnConnection = intent.getBooleanExtra(EXTRA_ENABLE_NEXT_ON_CONNECT, false); 307 308 if (mEnableNextOnConnection) { 309 if (hasNextButton()) { 310 final ConnectivityManager connectivity = (ConnectivityManager) 311 getActivity().getSystemService(Context.CONNECTIVITY_SERVICE); 312 if (connectivity != null) { 313 NetworkInfo info = connectivity.getNetworkInfo( 314 ConnectivityManager.TYPE_WIFI); 315 changeNextButtonState(info.isConnected()); 316 } 317 } 318 } 319 320 registerForContextMenu(getListView()); 321 setHasOptionsMenu(true); 322 323 if (intent.hasExtra(EXTRA_START_CONNECT_SSID)) { 324 mOpenSsid = intent.getStringExtra(EXTRA_START_CONNECT_SSID); 325 } 326 } 327 328 @Override 329 public void onDestroyView() { 330 super.onDestroyView(); 331 332 if (mWifiEnabler != null) { 333 mWifiEnabler.teardownSwitchController(); 334 } 335 } 336 337 @Override 338 public void onStart() { 339 super.onStart(); 340 341 // On/off switch is hidden for Setup Wizard (returns null) 342 mWifiEnabler = createWifiEnabler(); 343 344 if (mIsRestricted) { 345 restrictUi(); 346 return; 347 } 348 349 onWifiStateChanged(mWifiManager.getWifiState()); 350 } 351 352 private void restrictUi() { 353 if (!isUiRestrictedByOnlyAdmin()) { 354 getEmptyTextView().setText(R.string.wifi_empty_list_user_restricted); 355 } 356 getPreferenceScreen().removeAll(); 357 } 358 359 /** 360 * Only update the AP list if there are not any APs currently shown. 361 * 362 * <p>Thus forceUpdate will only be called during cold start or when toggling between wifi on 363 * and off. In other use cases, the previous APs will remain until the next update is received 364 * from {@link WifiTracker}. 365 */ 366 private void conditionallyForceUpdateAPs() { 367 if (mAccessPointsPreferenceCategory.getPreferenceCount() > 0 368 && mAccessPointsPreferenceCategory.getPreference(0) instanceof 369 AccessPointPreference) { 370 // Make sure we don't update due to callbacks initiated by sticky broadcasts in 371 // WifiTracker. 372 Log.d(TAG, "Did not force update APs due to existing APs displayed"); 373 getView().removeCallbacks(mUpdateAccessPointsRunnable); 374 return; 375 } 376 setProgressBarVisible(true); 377 mWifiTracker.forceUpdate(); 378 if (isVerboseLoggingEnabled()) { 379 Log.i(TAG, "WifiSettings force update APs: " + mWifiTracker.getAccessPoints()); 380 } 381 getView().removeCallbacks(mUpdateAccessPointsRunnable); 382 updateAccessPointPreferences(); 383 } 384 385 /** 386 * @return new WifiEnabler or null (as overridden by WifiSettingsForSetupWizard) 387 */ 388 private WifiEnabler createWifiEnabler() { 389 final SettingsActivity activity = (SettingsActivity) getActivity(); 390 return new WifiEnabler(activity, new SwitchBarController(activity.getSwitchBar()), 391 mMetricsFeatureProvider); 392 } 393 394 @Override 395 public void onResume() { 396 final Activity activity = getActivity(); 397 super.onResume(); 398 399 // Because RestrictedSettingsFragment's onResume potentially requests authorization, 400 // which changes the restriction state, recalculate it. 401 final boolean alreadyImmutablyRestricted = mIsRestricted; 402 mIsRestricted = isUiRestricted(); 403 if (!alreadyImmutablyRestricted && mIsRestricted) { 404 restrictUi(); 405 } 406 407 if (mWifiEnabler != null) { 408 mWifiEnabler.resume(activity); 409 } 410 } 411 412 @Override 413 public void onPause() { 414 super.onPause(); 415 if (mWifiEnabler != null) { 416 mWifiEnabler.pause(); 417 } 418 } 419 420 @Override 421 public void onStop() { 422 getView().removeCallbacks(mUpdateAccessPointsRunnable); 423 getView().removeCallbacks(mHideProgressBarRunnable); 424 super.onStop(); 425 } 426 427 @Override 428 public void onActivityResult(int requestCode, int resultCode, Intent data) { 429 super.onActivityResult(requestCode, resultCode, data); 430 431 final boolean formerlyRestricted = mIsRestricted; 432 mIsRestricted = isUiRestricted(); 433 if (formerlyRestricted && !mIsRestricted 434 && getPreferenceScreen().getPreferenceCount() == 0) { 435 // De-restrict the ui 436 addPreferences(); 437 } 438 } 439 440 @Override 441 public int getMetricsCategory() { 442 return MetricsEvent.WIFI; 443 } 444 445 @Override 446 public void onSaveInstanceState(Bundle outState) { 447 super.onSaveInstanceState(outState); 448 449 // If the dialog is showing, save its state. 450 if (mDialog != null && mDialog.isShowing()) { 451 outState.putInt(SAVE_DIALOG_MODE, mDialogMode); 452 if (mDlgAccessPoint != null) { 453 mAccessPointSavedState = new Bundle(); 454 mDlgAccessPoint.saveWifiState(mAccessPointSavedState); 455 outState.putBundle(SAVE_DIALOG_ACCESS_POINT_STATE, mAccessPointSavedState); 456 } 457 } 458 459 if (mWifiToNfcDialog != null && mWifiToNfcDialog.isShowing()) { 460 Bundle savedState = new Bundle(); 461 mWifiToNfcDialog.saveState(savedState); 462 outState.putBundle(SAVED_WIFI_NFC_DIALOG_STATE, savedState); 463 } 464 } 465 466 @Override 467 public boolean onOptionsItemSelected(MenuItem item) { 468 // If the user is not allowed to configure wifi, do not handle menu selections. 469 if (mIsRestricted) { 470 return false; 471 } 472 473 switch (item.getItemId()) { 474 case MENU_ID_WPS_PBC: 475 showDialog(WPS_PBC_DIALOG_ID); 476 return true; 477 case MENU_ID_WPS_PIN: 478 showDialog(WPS_PIN_DIALOG_ID); 479 return true; 480 } 481 return super.onOptionsItemSelected(item); 482 } 483 484 @Override 485 public void onCreateContextMenu(ContextMenu menu, View view, ContextMenuInfo info) { 486 Preference preference = (Preference) view.getTag(); 487 488 if (preference instanceof LongPressAccessPointPreference) { 489 mSelectedAccessPoint = 490 ((LongPressAccessPointPreference) preference).getAccessPoint(); 491 menu.setHeaderTitle(mSelectedAccessPoint.getSsid()); 492 if (mSelectedAccessPoint.isConnectable()) { 493 menu.add(Menu.NONE, MENU_ID_CONNECT, 0, R.string.wifi_menu_connect); 494 } 495 496 WifiConfiguration config = mSelectedAccessPoint.getConfig(); 497 // Some configs are ineditable 498 if (WifiUtils.isNetworkLockedDown(getActivity(), config)) { 499 return; 500 } 501 502 if (mSelectedAccessPoint.isSaved() || mSelectedAccessPoint.isEphemeral()) { 503 // Allow forgetting a network if either the network is saved or ephemerally 504 // connected. (In the latter case, "forget" blacklists the network so it won't 505 // be used again, ephemerally). 506 menu.add(Menu.NONE, MENU_ID_FORGET, 0, R.string.wifi_menu_forget); 507 } 508 if (mSelectedAccessPoint.isSaved()) { 509 menu.add(Menu.NONE, MENU_ID_MODIFY, 0, R.string.wifi_menu_modify); 510 NfcAdapter nfcAdapter = NfcAdapter.getDefaultAdapter(getActivity()); 511 if (nfcAdapter != null && nfcAdapter.isEnabled() && 512 mSelectedAccessPoint.getSecurity() != AccessPoint.SECURITY_NONE) { 513 // Only allow writing of NFC tags for password-protected networks. 514 menu.add(Menu.NONE, MENU_ID_WRITE_NFC, 0, R.string.wifi_menu_write_to_nfc); 515 } 516 } 517 } 518 } 519 520 @Override 521 public boolean onContextItemSelected(MenuItem item) { 522 if (mSelectedAccessPoint == null) { 523 return super.onContextItemSelected(item); 524 } 525 switch (item.getItemId()) { 526 case MENU_ID_CONNECT: { 527 boolean isSavedNetwork = mSelectedAccessPoint.isSaved(); 528 if (isSavedNetwork) { 529 connect(mSelectedAccessPoint.getConfig(), isSavedNetwork); 530 } else if (mSelectedAccessPoint.getSecurity() == AccessPoint.SECURITY_NONE) { 531 /** Bypass dialog for unsecured networks */ 532 mSelectedAccessPoint.generateOpenNetworkConfig(); 533 connect(mSelectedAccessPoint.getConfig(), isSavedNetwork); 534 } else { 535 showDialog(mSelectedAccessPoint, WifiConfigUiBase.MODE_CONNECT); 536 } 537 return true; 538 } 539 case MENU_ID_FORGET: { 540 forget(); 541 return true; 542 } 543 case MENU_ID_MODIFY: { 544 showDialog(mSelectedAccessPoint, WifiConfigUiBase.MODE_MODIFY); 545 return true; 546 } 547 case MENU_ID_WRITE_NFC: 548 showDialog(WRITE_NFC_DIALOG_ID); 549 return true; 550 551 } 552 return super.onContextItemSelected(item); 553 } 554 555 @Override 556 public boolean onPreferenceTreeClick(Preference preference) { 557 // If the preference has a fragment set, open that 558 if (preference.getFragment() != null) { 559 preference.setOnPreferenceClickListener(null); 560 return super.onPreferenceTreeClick(preference); 561 } 562 563 if (preference instanceof LongPressAccessPointPreference) { 564 mSelectedAccessPoint = ((LongPressAccessPointPreference) preference).getAccessPoint(); 565 if (mSelectedAccessPoint == null) { 566 return false; 567 } 568 if (mSelectedAccessPoint.isActive()) { 569 return super.onPreferenceTreeClick(preference); 570 } 571 /** 572 * Bypass dialog and connect to unsecured networks, or previously connected saved 573 * networks, or Passpoint provided networks. 574 */ 575 WifiConfiguration config = mSelectedAccessPoint.getConfig(); 576 if (mSelectedAccessPoint.getSecurity() == AccessPoint.SECURITY_NONE) { 577 mSelectedAccessPoint.generateOpenNetworkConfig(); 578 connect(mSelectedAccessPoint.getConfig(), mSelectedAccessPoint.isSaved()); 579 } else if (mSelectedAccessPoint.isSaved() && config != null 580 && config.getNetworkSelectionStatus() != null 581 && config.getNetworkSelectionStatus().getHasEverConnected()) { 582 connect(config, true /* isSavedNetwork */); 583 } else if (mSelectedAccessPoint.isPasspoint()) { 584 // Access point provided by an installed Passpoint provider, connect using 585 // the associated config. 586 connect(config, true /* isSavedNetwork */); 587 } else { 588 showDialog(mSelectedAccessPoint, WifiConfigUiBase.MODE_CONNECT); 589 } 590 } else if (preference == mAddPreference) { 591 onAddNetworkPressed(); 592 } else { 593 return super.onPreferenceTreeClick(preference); 594 } 595 return true; 596 } 597 598 private void showDialog(AccessPoint accessPoint, int dialogMode) { 599 if (accessPoint != null) { 600 WifiConfiguration config = accessPoint.getConfig(); 601 if (WifiUtils.isNetworkLockedDown(getActivity(), config) && accessPoint.isActive()) { 602 RestrictedLockUtils.sendShowAdminSupportDetailsIntent(getActivity(), 603 RestrictedLockUtils.getDeviceOwner(getActivity())); 604 return; 605 } 606 } 607 608 if (mDialog != null) { 609 removeDialog(WIFI_DIALOG_ID); 610 mDialog = null; 611 } 612 613 // Save the access point and edit mode 614 mDlgAccessPoint = accessPoint; 615 mDialogMode = dialogMode; 616 617 showDialog(WIFI_DIALOG_ID); 618 } 619 620 @Override 621 public Dialog onCreateDialog(int dialogId) { 622 switch (dialogId) { 623 case WIFI_DIALOG_ID: 624 if (mDlgAccessPoint == null && mAccessPointSavedState == null) { 625 // add new network 626 mDialog = WifiDialog 627 .createFullscreen(getActivity(), this, mDlgAccessPoint, mDialogMode); 628 } else { 629 // modify network 630 if (mDlgAccessPoint == null) { 631 // restore AP from save state 632 mDlgAccessPoint = new AccessPoint(getActivity(), mAccessPointSavedState); 633 // Reset the saved access point data 634 mAccessPointSavedState = null; 635 } 636 mDialog = WifiDialog 637 .createModal(getActivity(), this, mDlgAccessPoint, mDialogMode); 638 } 639 640 mSelectedAccessPoint = mDlgAccessPoint; 641 return mDialog; 642 case WPS_PBC_DIALOG_ID: 643 return new WpsDialog(getActivity(), WpsInfo.PBC); 644 case WPS_PIN_DIALOG_ID: 645 return new WpsDialog(getActivity(), WpsInfo.DISPLAY); 646 case WRITE_NFC_DIALOG_ID: 647 if (mSelectedAccessPoint != null) { 648 mWifiToNfcDialog = new WriteWifiConfigToNfcDialog( 649 getActivity(), 650 mSelectedAccessPoint.getSecurity(), 651 new WifiManagerWrapper(mWifiManager)); 652 } else if (mWifiNfcDialogSavedState != null) { 653 mWifiToNfcDialog = new WriteWifiConfigToNfcDialog(getActivity(), 654 mWifiNfcDialogSavedState, new WifiManagerWrapper(mWifiManager)); 655 } 656 657 return mWifiToNfcDialog; 658 } 659 return super.onCreateDialog(dialogId); 660 } 661 662 @Override 663 public int getDialogMetricsCategory(int dialogId) { 664 switch (dialogId) { 665 case WIFI_DIALOG_ID: 666 return MetricsEvent.DIALOG_WIFI_AP_EDIT; 667 case WPS_PBC_DIALOG_ID: 668 return MetricsEvent.DIALOG_WIFI_PBC; 669 case WPS_PIN_DIALOG_ID: 670 return MetricsEvent.DIALOG_WIFI_PIN; 671 case WRITE_NFC_DIALOG_ID: 672 return MetricsEvent.DIALOG_WIFI_WRITE_NFC; 673 default: 674 return 0; 675 } 676 } 677 678 /** 679 * Called to indicate the list of AccessPoints has been updated and 680 * getAccessPoints should be called to get the latest information. 681 */ 682 @Override 683 public void onAccessPointsChanged() { 684 Log.d(TAG, "onAccessPointsChanged (WifiTracker) callback initiated"); 685 updateAccessPointsDelayed(); 686 } 687 688 /** 689 * Updates access points from {@link WifiManager#getScanResults()}. Adds a delay to have 690 * progress bar displayed before starting to modify APs. 691 */ 692 private void updateAccessPointsDelayed() { 693 // Safeguard from some delayed event handling 694 if (getActivity() != null && !mIsRestricted && mWifiManager.isWifiEnabled()) { 695 final View view = getView(); 696 final Handler handler = view.getHandler(); 697 if (handler != null && handler.hasCallbacks(mUpdateAccessPointsRunnable)) { 698 return; 699 } 700 setProgressBarVisible(true); 701 view.postDelayed(mUpdateAccessPointsRunnable, 300 /* delay milliseconds */); 702 } 703 } 704 705 /** Called when the state of Wifi has changed. */ 706 @Override 707 public void onWifiStateChanged(int state) { 708 if (mIsRestricted) { 709 return; 710 } 711 712 final int wifiState = mWifiManager.getWifiState(); 713 switch (wifiState) { 714 case WifiManager.WIFI_STATE_ENABLED: 715 conditionallyForceUpdateAPs(); 716 break; 717 718 case WifiManager.WIFI_STATE_ENABLING: 719 removeConnectedAccessPointPreference(); 720 mAccessPointsPreferenceCategory.removeAll(); 721 addMessagePreference(R.string.wifi_starting); 722 setProgressBarVisible(true); 723 break; 724 725 case WifiManager.WIFI_STATE_DISABLING: 726 removeConnectedAccessPointPreference(); 727 mAccessPointsPreferenceCategory.removeAll(); 728 addMessagePreference(R.string.wifi_stopping); 729 break; 730 731 case WifiManager.WIFI_STATE_DISABLED: 732 setOffMessage(); 733 setAdditionalSettingsSummaries(); 734 setProgressBarVisible(false); 735 break; 736 } 737 } 738 739 /** 740 * Called when the connection state of wifi has changed. 741 */ 742 @Override 743 public void onConnectedChanged() { 744 changeNextButtonState(mWifiTracker.isConnected()); 745 } 746 747 /** Helper method to return whether an AccessPoint is disabled due to a wrong password */ 748 private static boolean isDisabledByWrongPassword(AccessPoint accessPoint) { 749 WifiConfiguration config = accessPoint.getConfig(); 750 if (config == null) { 751 return false; 752 } 753 WifiConfiguration.NetworkSelectionStatus networkStatus = 754 config.getNetworkSelectionStatus(); 755 if (networkStatus == null || networkStatus.isNetworkEnabled()) { 756 return false; 757 } 758 int reason = networkStatus.getNetworkSelectionDisableReason(); 759 return WifiConfiguration.NetworkSelectionStatus.DISABLED_BY_WRONG_PASSWORD == reason; 760 } 761 762 private void updateAccessPointPreferences() { 763 // in case state has changed 764 if (!mWifiManager.isWifiEnabled()) { 765 return; 766 } 767 // AccessPoints are sorted by the WifiTracker 768 final List<AccessPoint> accessPoints = mWifiTracker.getAccessPoints(); 769 if (isVerboseLoggingEnabled()) { 770 Log.i(TAG, "updateAccessPoints called for: " + accessPoints); 771 } 772 773 boolean hasAvailableAccessPoints = false; 774 mAccessPointsPreferenceCategory.removePreference(mStatusMessagePreference); 775 cacheRemoveAllPrefs(mAccessPointsPreferenceCategory); 776 777 int index = 778 configureConnectedAccessPointPreferenceCategory(accessPoints) ? 1 : 0; 779 int numAccessPoints = accessPoints.size(); 780 for (; index < numAccessPoints; index++) { 781 AccessPoint accessPoint = accessPoints.get(index); 782 // Ignore access points that are out of range. 783 if (accessPoint.isReachable()) { 784 String key = accessPoint.getKey(); 785 hasAvailableAccessPoints = true; 786 LongPressAccessPointPreference pref = 787 (LongPressAccessPointPreference) getCachedPreference(key); 788 if (pref != null) { 789 pref.setOrder(index); 790 continue; 791 } 792 LongPressAccessPointPreference preference = 793 createLongPressAccessPointPreference(accessPoint); 794 preference.setKey(key); 795 preference.setOrder(index); 796 if (mOpenSsid != null && mOpenSsid.equals(accessPoint.getSsidStr()) 797 && accessPoint.getSecurity() != AccessPoint.SECURITY_NONE) { 798 if (!accessPoint.isSaved() || isDisabledByWrongPassword(accessPoint)) { 799 onPreferenceTreeClick(preference); 800 mOpenSsid = null; 801 } 802 } 803 mAccessPointsPreferenceCategory.addPreference(preference); 804 accessPoint.setListener(WifiSettings.this); 805 preference.refresh(); 806 } 807 } 808 removeCachedPrefs(mAccessPointsPreferenceCategory); 809 mAddPreference.setOrder(index); 810 mAccessPointsPreferenceCategory.addPreference(mAddPreference); 811 setAdditionalSettingsSummaries(); 812 813 if (!hasAvailableAccessPoints) { 814 setProgressBarVisible(true); 815 Preference pref = new Preference(getPrefContext()); 816 pref.setSelectable(false); 817 pref.setSummary(R.string.wifi_empty_list_wifi_on); 818 pref.setOrder(index++); 819 pref.setKey(PREF_KEY_EMPTY_WIFI_LIST); 820 mAccessPointsPreferenceCategory.addPreference(pref); 821 } else { 822 // Continuing showing progress bar for an additional delay to overlap with animation 823 getView().postDelayed(mHideProgressBarRunnable, 1700 /* delay millis */); 824 } 825 } 826 827 @NonNull 828 private LongPressAccessPointPreference createLongPressAccessPointPreference( 829 AccessPoint accessPoint) { 830 return new LongPressAccessPointPreference(accessPoint, getPrefContext(), mUserBadgeCache, 831 false /* forSavedNetworks */, R.drawable.ic_wifi_signal_0, this); 832 } 833 834 @NonNull 835 private ConnectedAccessPointPreference createConnectedAccessPointPreference( 836 AccessPoint accessPoint) { 837 return new ConnectedAccessPointPreference(accessPoint, getPrefContext(), mUserBadgeCache, 838 R.drawable.ic_wifi_signal_0, false /* forSavedNetworks */); 839 } 840 841 /** 842 * Configure the ConnectedAccessPointPreferenceCategory and return true if the Category was 843 * shown. 844 */ 845 private boolean configureConnectedAccessPointPreferenceCategory( 846 List<AccessPoint> accessPoints) { 847 if (accessPoints.size() == 0) { 848 removeConnectedAccessPointPreference(); 849 return false; 850 } 851 852 AccessPoint connectedAp = accessPoints.get(0); 853 if (!connectedAp.isActive()) { 854 removeConnectedAccessPointPreference(); 855 return false; 856 } 857 858 // Is the preference category empty? 859 if (mConnectedAccessPointPreferenceCategory.getPreferenceCount() == 0) { 860 addConnectedAccessPointPreference(connectedAp); 861 return true; 862 } 863 864 // Is the previous currently connected SSID different from the new one? 865 AccessPointPreference preference = (AccessPointPreference) 866 (mConnectedAccessPointPreferenceCategory.getPreference(0)); 867 // The AccessPoints need to be the same reference to ensure that updates are reflected 868 // in the UI. 869 if (preference.getAccessPoint() != connectedAp) { 870 removeConnectedAccessPointPreference(); 871 addConnectedAccessPointPreference(connectedAp); 872 return true; 873 } 874 875 // Else same AP is connected, simply refresh the connected access point preference 876 // (first and only access point in this category). 877 ((AccessPointPreference) mConnectedAccessPointPreferenceCategory.getPreference(0)) 878 .refresh(); 879 return true; 880 } 881 882 /** 883 * Creates a Preference for the given {@link AccessPoint} and adds it to the 884 * {@link #mConnectedAccessPointPreferenceCategory}. 885 */ 886 private void addConnectedAccessPointPreference(AccessPoint connectedAp) { 887 final ConnectedAccessPointPreference pref = createConnectedAccessPointPreference( 888 connectedAp); 889 890 // Launch details page on click. 891 pref.setOnGearClickListener(l -> { 892 pref.getAccessPoint().saveWifiState(pref.getExtras()); 893 894 SettingsActivity activity = (SettingsActivity) WifiSettings.this.getActivity(); 895 activity.startPreferencePanel(this, 896 WifiNetworkDetailsFragment.class.getName(), pref.getExtras(), 897 -1 /* resId */, pref.getTitle(), null, 0 /* resultRequestCode */); 898 }); 899 900 pref.refresh(); 901 902 mConnectedAccessPointPreferenceCategory.addPreference(pref); 903 mConnectedAccessPointPreferenceCategory.setVisible(true); 904 if (mClickedConnect) { 905 mClickedConnect = false; 906 scrollToPreference(mConnectedAccessPointPreferenceCategory); 907 } 908 } 909 910 /** Removes all preferences and hide the {@link #mConnectedAccessPointPreferenceCategory}. */ 911 private void removeConnectedAccessPointPreference() { 912 mConnectedAccessPointPreferenceCategory.removeAll(); 913 mConnectedAccessPointPreferenceCategory.setVisible(false); 914 } 915 916 private void setAdditionalSettingsSummaries() { 917 mAdditionalSettingsPreferenceCategory.addPreference(mConfigureWifiSettingsPreference); 918 mConfigureWifiSettingsPreference.setSummary(getString( 919 isWifiWakeupEnabled() 920 ? R.string.wifi_configure_settings_preference_summary_wakeup_on 921 : R.string.wifi_configure_settings_preference_summary_wakeup_off)); 922 int numSavedNetworks = mWifiTracker.getNumSavedNetworks(); 923 if (numSavedNetworks > 0) { 924 mAdditionalSettingsPreferenceCategory.addPreference(mSavedNetworksPreference); 925 mSavedNetworksPreference.setSummary( 926 getResources().getQuantityString(R.plurals.wifi_saved_access_points_summary, 927 numSavedNetworks, numSavedNetworks)); 928 } else { 929 mAdditionalSettingsPreferenceCategory.removePreference(mSavedNetworksPreference); 930 } 931 } 932 933 private boolean isWifiWakeupEnabled() { 934 PowerManager powerManager = (PowerManager) getSystemService(Context.POWER_SERVICE); 935 ContentResolver contentResolver = getContentResolver(); 936 return Settings.Global.getInt(contentResolver, 937 Settings.Global.WIFI_WAKEUP_ENABLED, 0) == 1 938 && Settings.Global.getInt(contentResolver, 939 Settings.Global.WIFI_SCAN_ALWAYS_AVAILABLE, 0) == 1 940 && Settings.Global.getInt(contentResolver, 941 Settings.Global.AIRPLANE_MODE_ON, 0) == 0 942 && !powerManager.isPowerSaveMode(); 943 } 944 945 private void setOffMessage() { 946 final CharSequence title = getText(R.string.wifi_empty_list_wifi_off); 947 // Don't use WifiManager.isScanAlwaysAvailable() to check the Wi-Fi scanning mode. Instead, 948 // read the system settings directly. Because when the device is in Airplane mode, even if 949 // Wi-Fi scanning mode is on, WifiManager.isScanAlwaysAvailable() still returns "off". 950 final boolean wifiScanningMode = Settings.Global.getInt(getActivity().getContentResolver(), 951 Settings.Global.WIFI_SCAN_ALWAYS_AVAILABLE, 0) == 1; 952 final CharSequence description = wifiScanningMode ? getText(R.string.wifi_scan_notify_text) 953 : getText(R.string.wifi_scan_notify_text_scanning_off); 954 final LinkifyUtils.OnClickListener clickListener = new LinkifyUtils.OnClickListener() { 955 @Override 956 public void onClick() { 957 final SettingsActivity activity = (SettingsActivity) getActivity(); 958 activity.startPreferencePanel(WifiSettings.this, 959 ScanningSettings.class.getName(), 960 null, R.string.location_scanning_screen_title, null, null, 0); 961 } 962 }; 963 mStatusMessagePreference.setText(title, description, clickListener); 964 removeConnectedAccessPointPreference(); 965 mAccessPointsPreferenceCategory.removeAll(); 966 mAccessPointsPreferenceCategory.addPreference(mStatusMessagePreference); 967 } 968 969 private void addMessagePreference(int messageId) { 970 mStatusMessagePreference.setTitle(messageId); 971 removeConnectedAccessPointPreference(); 972 mAccessPointsPreferenceCategory.removeAll(); 973 mAccessPointsPreferenceCategory.addPreference(mStatusMessagePreference); 974 } 975 976 protected void setProgressBarVisible(boolean visible) { 977 if (mProgressHeader != null) { 978 mProgressHeader.setVisibility(visible ? View.VISIBLE : View.GONE); 979 } 980 } 981 982 /** 983 * Renames/replaces "Next" button when appropriate. "Next" button usually exists in 984 * Wifi setup screens, not in usual wifi settings screen. 985 * 986 * @param enabled true when the device is connected to a wifi network. 987 */ 988 private void changeNextButtonState(boolean enabled) { 989 if (mEnableNextOnConnection && hasNextButton()) { 990 getNextButton().setEnabled(enabled); 991 } 992 } 993 994 @Override 995 public void onForget(WifiDialog dialog) { 996 forget(); 997 } 998 999 @Override 1000 public void onSubmit(WifiDialog dialog) { 1001 if (mDialog != null) { 1002 submit(mDialog.getController()); 1003 } 1004 } 1005 1006 /* package */ void submit(WifiConfigController configController) { 1007 1008 final WifiConfiguration config = configController.getConfig(); 1009 1010 if (config == null) { 1011 if (mSelectedAccessPoint != null 1012 && mSelectedAccessPoint.isSaved()) { 1013 connect(mSelectedAccessPoint.getConfig(), true /* isSavedNetwork */); 1014 } 1015 } else if (configController.getMode() == WifiConfigUiBase.MODE_MODIFY) { 1016 mWifiManager.save(config, mSaveListener); 1017 } else { 1018 mWifiManager.save(config, mSaveListener); 1019 if (mSelectedAccessPoint != null) { // Not an "Add network" 1020 connect(config, false /* isSavedNetwork */); 1021 } 1022 } 1023 1024 mWifiTracker.resumeScanning(); 1025 } 1026 1027 /* package */ void forget() { 1028 mMetricsFeatureProvider.action(getActivity(), MetricsEvent.ACTION_WIFI_FORGET); 1029 if (!mSelectedAccessPoint.isSaved()) { 1030 if (mSelectedAccessPoint.getNetworkInfo() != null && 1031 mSelectedAccessPoint.getNetworkInfo().getState() != State.DISCONNECTED) { 1032 // Network is active but has no network ID - must be ephemeral. 1033 mWifiManager.disableEphemeralNetwork( 1034 AccessPoint.convertToQuotedString(mSelectedAccessPoint.getSsidStr())); 1035 } else { 1036 // Should not happen, but a monkey seems to trigger it 1037 Log.e(TAG, "Failed to forget invalid network " + mSelectedAccessPoint.getConfig()); 1038 return; 1039 } 1040 } else if (mSelectedAccessPoint.getConfig().isPasspoint()) { 1041 mWifiManager.removePasspointConfiguration(mSelectedAccessPoint.getConfig().FQDN); 1042 } else { 1043 mWifiManager.forget(mSelectedAccessPoint.getConfig().networkId, mForgetListener); 1044 } 1045 1046 mWifiTracker.resumeScanning(); 1047 1048 // We need to rename/replace "Next" button in wifi setup context. 1049 changeNextButtonState(false); 1050 } 1051 1052 protected void connect(final WifiConfiguration config, boolean isSavedNetwork) { 1053 // Log subtype if configuration is a saved network. 1054 mMetricsFeatureProvider.action(getVisibilityLogger(), MetricsEvent.ACTION_WIFI_CONNECT, 1055 isSavedNetwork); 1056 mWifiManager.connect(config, mConnectListener); 1057 mClickedConnect = true; 1058 } 1059 1060 protected void connect(final int networkId, boolean isSavedNetwork) { 1061 // Log subtype if configuration is a saved network. 1062 mMetricsFeatureProvider.action(getActivity(), MetricsEvent.ACTION_WIFI_CONNECT, 1063 isSavedNetwork); 1064 mWifiManager.connect(networkId, mConnectListener); 1065 } 1066 1067 /** 1068 * Called when "add network" button is pressed. 1069 */ 1070 /* package */ void onAddNetworkPressed() { 1071 mMetricsFeatureProvider.action(getActivity(), MetricsEvent.ACTION_WIFI_ADD_NETWORK); 1072 // No exact access point is selected. 1073 mSelectedAccessPoint = null; 1074 showDialog(null, WifiConfigUiBase.MODE_CONNECT); 1075 } 1076 1077 @Override 1078 public int getHelpResource() { 1079 return R.string.help_url_wifi; 1080 } 1081 1082 @Override 1083 public void onAccessPointChanged(final AccessPoint accessPoint) { 1084 Log.d(TAG, "onAccessPointChanged (singular) callback initiated"); 1085 View view = getView(); 1086 if (view != null) { 1087 view.post(new Runnable() { 1088 @Override 1089 public void run() { 1090 Object tag = accessPoint.getTag(); 1091 if (tag != null) { 1092 ((AccessPointPreference) tag).refresh(); 1093 } 1094 } 1095 }); 1096 } 1097 } 1098 1099 @Override 1100 public void onLevelChanged(AccessPoint accessPoint) { 1101 ((AccessPointPreference) accessPoint.getTag()).onLevelChanged(); 1102 } 1103 1104 public static final SearchIndexProvider SEARCH_INDEX_DATA_PROVIDER = 1105 new BaseSearchIndexProvider() { 1106 @Override 1107 public List<SearchIndexableRaw> getRawDataToIndex(Context context, boolean enabled) { 1108 final List<SearchIndexableRaw> result = new ArrayList<>(); 1109 final Resources res = context.getResources(); 1110 1111 // Add fragment title if we are showing this fragment 1112 if (res.getBoolean(R.bool.config_show_wifi_settings)) { 1113 SearchIndexableRaw data = new SearchIndexableRaw(context); 1114 data.title = res.getString(R.string.wifi_settings); 1115 data.screenTitle = res.getString(R.string.wifi_settings); 1116 data.keywords = res.getString(R.string.keywords_wifi); 1117 data.key = DATA_KEY_REFERENCE; 1118 result.add(data); 1119 } 1120 1121 return result; 1122 } 1123 }; 1124 1125 private static class SummaryProvider 1126 implements SummaryLoader.SummaryProvider, OnSummaryChangeListener { 1127 1128 private final Context mContext; 1129 private final SummaryLoader mSummaryLoader; 1130 1131 @VisibleForTesting 1132 WifiSummaryUpdater mSummaryHelper; 1133 1134 public SummaryProvider(Context context, SummaryLoader summaryLoader) { 1135 mContext = context; 1136 mSummaryLoader = summaryLoader; 1137 mSummaryHelper = new WifiSummaryUpdater(mContext, this); 1138 } 1139 1140 1141 @Override 1142 public void setListening(boolean listening) { 1143 mSummaryHelper.register(listening); 1144 } 1145 1146 @Override 1147 public void onSummaryChanged(String summary) { 1148 mSummaryLoader.setSummary(this, summary); 1149 } 1150 } 1151 1152 public static final SummaryLoader.SummaryProviderFactory SUMMARY_PROVIDER_FACTORY 1153 = new SummaryLoader.SummaryProviderFactory() { 1154 @Override 1155 public SummaryLoader.SummaryProvider createSummaryProvider(Activity activity, 1156 SummaryLoader summaryLoader) { 1157 return new SummaryProvider(activity, summaryLoader); 1158 } 1159 }; 1160} 1161