WifiSettings.java revision a2b151efbe819af04885237bf0ffdb341c56e7a7
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 final Runnable mUpdateAccessPointsRunnable = () -> { 113 updateAccessPointPreferences(); 114 }; 115 private final Runnable mHideProgressBarRunnable = () -> { 116 setProgressBarVisible(false); 117 }; 118 119 protected WifiManager mWifiManager; 120 private WifiManager.ActionListener mConnectListener; 121 private WifiManager.ActionListener mSaveListener; 122 private WifiManager.ActionListener mForgetListener; 123 124 /** 125 * The state of {@link #isUiRestricted()} at {@link #onCreate(Bundle)}}. This is neccesary to 126 * ensure that behavior is consistent if {@link #isUiRestricted()} changes. It could be changed 127 * by the Test DPC tool in AFW mode. 128 */ 129 private boolean mIsRestricted; 130 131 private WifiEnabler mWifiEnabler; 132 // An access point being editted is stored here. 133 private AccessPoint mSelectedAccessPoint; 134 135 private WifiDialog mDialog; 136 private WriteWifiConfigToNfcDialog mWifiToNfcDialog; 137 138 private View mProgressHeader; 139 140 // this boolean extra specifies whether to disable the Next button when not connected. Used by 141 // account creation outside of setup wizard. 142 private static final String EXTRA_ENABLE_NEXT_ON_CONNECT = "wifi_enable_next_on_connect"; 143 // This string extra specifies a network to open the connect dialog on, so the user can enter 144 // network credentials. This is used by quick settings for secured networks, among other 145 // things. 146 public static final String EXTRA_START_CONNECT_SSID = "wifi_start_connect_ssid"; 147 148 // should Next button only be enabled when we have a connection? 149 private boolean mEnableNextOnConnection; 150 151 // Save the dialog details 152 private int mDialogMode; 153 private AccessPoint mDlgAccessPoint; 154 private Bundle mAccessPointSavedState; 155 private Bundle mWifiNfcDialogSavedState; 156 157 private WifiTracker mWifiTracker; 158 private String mOpenSsid; 159 160 private AccessPointPreference.UserBadgeCache mUserBadgeCache; 161 162 private PreferenceCategory mConnectedAccessPointPreferenceCategory; 163 private PreferenceCategory mAccessPointsPreferenceCategory; 164 private PreferenceCategory mAdditionalSettingsPreferenceCategory; 165 private Preference mAddPreference; 166 private Preference mConfigureWifiSettingsPreference; 167 private Preference mSavedNetworksPreference; 168 private LinkablePreference mStatusMessagePreference; 169 170 // For Search 171 public static final String DATA_KEY_REFERENCE = "main_toggle_wifi"; 172 173 /** 174 * Tracks whether the user initiated a connection via clicking in order to autoscroll to the 175 * network once connected. 176 */ 177 private boolean mClickedConnect; 178 179 /* End of "used in Wifi Setup context" */ 180 181 public WifiSettings() { 182 super(DISALLOW_CONFIG_WIFI); 183 } 184 185 @Override 186 public void onViewCreated(View view, Bundle savedInstanceState) { 187 super.onViewCreated(view, savedInstanceState); 188 final Activity activity = getActivity(); 189 if (activity != null) { 190 mProgressHeader = setPinnedHeaderView(R.layout.wifi_progress_header) 191 .findViewById(R.id.progress_bar_animation); 192 setProgressBarVisible(false); 193 } 194 ((SettingsActivity) activity).getSwitchBar().setSwitchBarText( 195 R.string.wifi_settings_master_switch_title, 196 R.string.wifi_settings_master_switch_title); 197 } 198 199 @Override 200 public void onCreate(Bundle icicle) { 201 super.onCreate(icicle); 202 203 // TODO(b/37429702): Add animations and preference comparator back after initial screen is 204 // loaded (ODR). 205 setAnimationAllowed(false); 206 207 addPreferences(); 208 209 mIsRestricted = isUiRestricted(); 210 } 211 212 private void addPreferences() { 213 addPreferencesFromResource(R.xml.wifi_settings); 214 215 mConnectedAccessPointPreferenceCategory = 216 (PreferenceCategory) findPreference(PREF_KEY_CONNECTED_ACCESS_POINTS); 217 mAccessPointsPreferenceCategory = 218 (PreferenceCategory) findPreference(PREF_KEY_ACCESS_POINTS); 219 mAdditionalSettingsPreferenceCategory = 220 (PreferenceCategory) findPreference(PREF_KEY_ADDITIONAL_SETTINGS); 221 mConfigureWifiSettingsPreference = findPreference(PREF_KEY_CONFIGURE_WIFI_SETTINGS); 222 mSavedNetworksPreference = findPreference(PREF_KEY_SAVED_NETWORKS); 223 224 Context prefContext = getPrefContext(); 225 mAddPreference = new Preference(prefContext); 226 mAddPreference.setIcon(R.drawable.ic_menu_add_inset); 227 mAddPreference.setTitle(R.string.wifi_add_network); 228 mStatusMessagePreference = new LinkablePreference(prefContext); 229 230 mUserBadgeCache = new AccessPointPreference.UserBadgeCache(getPackageManager()); 231 } 232 233 @Override 234 public void onActivityCreated(Bundle savedInstanceState) { 235 super.onActivityCreated(savedInstanceState); 236 237 mWifiTracker = WifiTrackerFactory.create( 238 getActivity(), this, getLifecycle(), true, true); 239 mWifiManager = mWifiTracker.getManager(); 240 241 mConnectListener = new WifiManager.ActionListener() { 242 @Override 243 public void onSuccess() { 244 } 245 @Override 246 public void onFailure(int reason) { 247 Activity activity = getActivity(); 248 if (activity != null) { 249 Toast.makeText(activity, 250 R.string.wifi_failed_connect_message, 251 Toast.LENGTH_SHORT).show(); 252 } 253 } 254 }; 255 256 mSaveListener = new WifiManager.ActionListener() { 257 @Override 258 public void onSuccess() { 259 } 260 @Override 261 public void onFailure(int reason) { 262 Activity activity = getActivity(); 263 if (activity != null) { 264 Toast.makeText(activity, 265 R.string.wifi_failed_save_message, 266 Toast.LENGTH_SHORT).show(); 267 } 268 } 269 }; 270 271 mForgetListener = new WifiManager.ActionListener() { 272 @Override 273 public void onSuccess() { 274 } 275 @Override 276 public void onFailure(int reason) { 277 Activity activity = getActivity(); 278 if (activity != null) { 279 Toast.makeText(activity, 280 R.string.wifi_failed_forget_message, 281 Toast.LENGTH_SHORT).show(); 282 } 283 } 284 }; 285 286 if (savedInstanceState != null) { 287 mDialogMode = savedInstanceState.getInt(SAVE_DIALOG_MODE); 288 if (savedInstanceState.containsKey(SAVE_DIALOG_ACCESS_POINT_STATE)) { 289 mAccessPointSavedState = 290 savedInstanceState.getBundle(SAVE_DIALOG_ACCESS_POINT_STATE); 291 } 292 293 if (savedInstanceState.containsKey(SAVED_WIFI_NFC_DIALOG_STATE)) { 294 mWifiNfcDialogSavedState = 295 savedInstanceState.getBundle(SAVED_WIFI_NFC_DIALOG_STATE); 296 } 297 } 298 299 // if we're supposed to enable/disable the Next button based on our current connection 300 // state, start it off in the right state 301 Intent intent = getActivity().getIntent(); 302 mEnableNextOnConnection = intent.getBooleanExtra(EXTRA_ENABLE_NEXT_ON_CONNECT, false); 303 304 if (mEnableNextOnConnection) { 305 if (hasNextButton()) { 306 final ConnectivityManager connectivity = (ConnectivityManager) 307 getActivity().getSystemService(Context.CONNECTIVITY_SERVICE); 308 if (connectivity != null) { 309 NetworkInfo info = connectivity.getNetworkInfo( 310 ConnectivityManager.TYPE_WIFI); 311 changeNextButtonState(info.isConnected()); 312 } 313 } 314 } 315 316 registerForContextMenu(getListView()); 317 setHasOptionsMenu(true); 318 319 if (intent.hasExtra(EXTRA_START_CONNECT_SSID)) { 320 mOpenSsid = intent.getStringExtra(EXTRA_START_CONNECT_SSID); 321 } 322 } 323 324 @Override 325 public void onDestroyView() { 326 super.onDestroyView(); 327 328 if (mWifiEnabler != null) { 329 mWifiEnabler.teardownSwitchController(); 330 } 331 } 332 333 @Override 334 public void onStart() { 335 super.onStart(); 336 337 // On/off switch is hidden for Setup Wizard (returns null) 338 mWifiEnabler = createWifiEnabler(); 339 340 if (mIsRestricted) { 341 restrictUi(); 342 return; 343 } 344 345 onWifiStateChanged(mWifiManager.getWifiState()); 346 } 347 348 private void restrictUi() { 349 if (!isUiRestrictedByOnlyAdmin()) { 350 getEmptyTextView().setText(R.string.wifi_empty_list_user_restricted); 351 } 352 getPreferenceScreen().removeAll(); 353 } 354 355 /** 356 * Only update the AP list if there are not any APs currently shown. 357 * 358 * <p>Thus forceUpdate will only be called during cold start or when toggling between wifi on 359 * and off. In other use cases, the previous APs will remain until the next update is received 360 * from {@link WifiTracker}. 361 */ 362 private void conditionallyForceUpdateAPs() { 363 if (mAccessPointsPreferenceCategory.getPreferenceCount() > 0 364 && mAccessPointsPreferenceCategory.getPreference(0) instanceof 365 AccessPointPreference) { 366 // Make sure we don't update due to callbacks initiated by sticky broadcasts in 367 // WifiTracker. 368 Log.d(TAG, "Did not force update APs due to existing APs displayed"); 369 getView().removeCallbacks(mUpdateAccessPointsRunnable); 370 return; 371 } 372 setProgressBarVisible(true); 373 mWifiTracker.forceUpdate(); 374 if (WifiTracker.sVerboseLogging) { 375 Log.i(TAG, "WifiSettings force update APs: " + mWifiTracker.getAccessPoints()); 376 } 377 getView().removeCallbacks(mUpdateAccessPointsRunnable); 378 updateAccessPointPreferences(); 379 } 380 381 /** 382 * @return new WifiEnabler or null (as overridden by WifiSettingsForSetupWizard) 383 */ 384 private WifiEnabler createWifiEnabler() { 385 final SettingsActivity activity = (SettingsActivity) getActivity(); 386 return new WifiEnabler(activity, new SwitchBarController(activity.getSwitchBar()), 387 mMetricsFeatureProvider); 388 } 389 390 @Override 391 public void onResume() { 392 final Activity activity = getActivity(); 393 super.onResume(); 394 395 // Because RestrictedSettingsFragment's onResume potentially requests authorization, 396 // which changes the restriction state, recalculate it. 397 final boolean alreadyImmutablyRestricted = mIsRestricted; 398 mIsRestricted = isUiRestricted(); 399 if (!alreadyImmutablyRestricted && mIsRestricted) { 400 restrictUi(); 401 } 402 403 if (mWifiEnabler != null) { 404 mWifiEnabler.resume(activity); 405 } 406 } 407 408 @Override 409 public void onPause() { 410 super.onPause(); 411 if (mWifiEnabler != null) { 412 mWifiEnabler.pause(); 413 } 414 } 415 416 @Override 417 public void onStop() { 418 getView().removeCallbacks(mUpdateAccessPointsRunnable); 419 getView().removeCallbacks(mHideProgressBarRunnable); 420 super.onStop(); 421 } 422 423 @Override 424 public void onActivityResult(int requestCode, int resultCode, Intent data) { 425 super.onActivityResult(requestCode, resultCode, data); 426 427 final boolean formerlyRestricted = mIsRestricted; 428 mIsRestricted = isUiRestricted(); 429 if (formerlyRestricted && !mIsRestricted 430 && getPreferenceScreen().getPreferenceCount() == 0) { 431 // De-restrict the ui 432 addPreferences(); 433 } 434 } 435 436 @Override 437 public int getMetricsCategory() { 438 return MetricsEvent.WIFI; 439 } 440 441 @Override 442 public void onSaveInstanceState(Bundle outState) { 443 super.onSaveInstanceState(outState); 444 445 // If the dialog is showing, save its state. 446 if (mDialog != null && mDialog.isShowing()) { 447 outState.putInt(SAVE_DIALOG_MODE, mDialogMode); 448 if (mDlgAccessPoint != null) { 449 mAccessPointSavedState = new Bundle(); 450 mDlgAccessPoint.saveWifiState(mAccessPointSavedState); 451 outState.putBundle(SAVE_DIALOG_ACCESS_POINT_STATE, mAccessPointSavedState); 452 } 453 } 454 455 if (mWifiToNfcDialog != null && mWifiToNfcDialog.isShowing()) { 456 Bundle savedState = new Bundle(); 457 mWifiToNfcDialog.saveState(savedState); 458 outState.putBundle(SAVED_WIFI_NFC_DIALOG_STATE, savedState); 459 } 460 } 461 462 @Override 463 public boolean onOptionsItemSelected(MenuItem item) { 464 // If the user is not allowed to configure wifi, do not handle menu selections. 465 if (mIsRestricted) { 466 return false; 467 } 468 469 switch (item.getItemId()) { 470 case MENU_ID_WPS_PBC: 471 showDialog(WPS_PBC_DIALOG_ID); 472 return true; 473 case MENU_ID_WPS_PIN: 474 showDialog(WPS_PIN_DIALOG_ID); 475 return true; 476 } 477 return super.onOptionsItemSelected(item); 478 } 479 480 @Override 481 public void onCreateContextMenu(ContextMenu menu, View view, ContextMenuInfo info) { 482 Preference preference = (Preference) view.getTag(); 483 484 if (preference instanceof LongPressAccessPointPreference) { 485 mSelectedAccessPoint = 486 ((LongPressAccessPointPreference) preference).getAccessPoint(); 487 menu.setHeaderTitle(mSelectedAccessPoint.getSsid()); 488 if (mSelectedAccessPoint.isConnectable()) { 489 menu.add(Menu.NONE, MENU_ID_CONNECT, 0, R.string.wifi_menu_connect); 490 } 491 492 WifiConfiguration config = mSelectedAccessPoint.getConfig(); 493 // Some configs are ineditable 494 if (WifiUtils.isNetworkLockedDown(getActivity(), config)) { 495 return; 496 } 497 498 if (mSelectedAccessPoint.isSaved() || mSelectedAccessPoint.isEphemeral()) { 499 // Allow forgetting a network if either the network is saved or ephemerally 500 // connected. (In the latter case, "forget" blacklists the network so it won't 501 // be used again, ephemerally). 502 menu.add(Menu.NONE, MENU_ID_FORGET, 0, R.string.wifi_menu_forget); 503 } 504 if (mSelectedAccessPoint.isSaved()) { 505 menu.add(Menu.NONE, MENU_ID_MODIFY, 0, R.string.wifi_menu_modify); 506 NfcAdapter nfcAdapter = NfcAdapter.getDefaultAdapter(getActivity()); 507 if (nfcAdapter != null && nfcAdapter.isEnabled() && 508 mSelectedAccessPoint.getSecurity() != AccessPoint.SECURITY_NONE) { 509 // Only allow writing of NFC tags for password-protected networks. 510 menu.add(Menu.NONE, MENU_ID_WRITE_NFC, 0, R.string.wifi_menu_write_to_nfc); 511 } 512 } 513 } 514 } 515 516 @Override 517 public boolean onContextItemSelected(MenuItem item) { 518 if (mSelectedAccessPoint == null) { 519 return super.onContextItemSelected(item); 520 } 521 switch (item.getItemId()) { 522 case MENU_ID_CONNECT: { 523 boolean isSavedNetwork = mSelectedAccessPoint.isSaved(); 524 if (isSavedNetwork) { 525 connect(mSelectedAccessPoint.getConfig(), isSavedNetwork); 526 } else if (mSelectedAccessPoint.getSecurity() == AccessPoint.SECURITY_NONE) { 527 /** Bypass dialog for unsecured networks */ 528 mSelectedAccessPoint.generateOpenNetworkConfig(); 529 connect(mSelectedAccessPoint.getConfig(), isSavedNetwork); 530 } else { 531 showDialog(mSelectedAccessPoint, WifiConfigUiBase.MODE_CONNECT); 532 } 533 return true; 534 } 535 case MENU_ID_FORGET: { 536 forget(); 537 return true; 538 } 539 case MENU_ID_MODIFY: { 540 showDialog(mSelectedAccessPoint, WifiConfigUiBase.MODE_MODIFY); 541 return true; 542 } 543 case MENU_ID_WRITE_NFC: 544 showDialog(WRITE_NFC_DIALOG_ID); 545 return true; 546 547 } 548 return super.onContextItemSelected(item); 549 } 550 551 @Override 552 public boolean onPreferenceTreeClick(Preference preference) { 553 // If the preference has a fragment set, open that 554 if (preference.getFragment() != null) { 555 preference.setOnPreferenceClickListener(null); 556 return super.onPreferenceTreeClick(preference); 557 } 558 559 if (preference instanceof LongPressAccessPointPreference) { 560 mSelectedAccessPoint = ((LongPressAccessPointPreference) preference).getAccessPoint(); 561 if (mSelectedAccessPoint == null) { 562 return false; 563 } 564 if (mSelectedAccessPoint.isActive()) { 565 return super.onPreferenceTreeClick(preference); 566 } 567 /** 568 * Bypass dialog and connect to unsecured networks, or previously connected saved 569 * networks, or Passpoint provided networks. 570 */ 571 WifiConfiguration config = mSelectedAccessPoint.getConfig(); 572 if (mSelectedAccessPoint.getSecurity() == AccessPoint.SECURITY_NONE) { 573 mSelectedAccessPoint.generateOpenNetworkConfig(); 574 connect(mSelectedAccessPoint.getConfig(), mSelectedAccessPoint.isSaved()); 575 } else if (mSelectedAccessPoint.isSaved() && config != null 576 && config.getNetworkSelectionStatus() != null 577 && config.getNetworkSelectionStatus().getHasEverConnected()) { 578 connect(config, true /* isSavedNetwork */); 579 } else if (mSelectedAccessPoint.isPasspoint()) { 580 // Access point provided by an installed Passpoint provider, connect using 581 // the associated config. 582 connect(config, true /* isSavedNetwork */); 583 } else { 584 showDialog(mSelectedAccessPoint, WifiConfigUiBase.MODE_CONNECT); 585 } 586 } else if (preference == mAddPreference) { 587 onAddNetworkPressed(); 588 } else { 589 return super.onPreferenceTreeClick(preference); 590 } 591 return true; 592 } 593 594 private void showDialog(AccessPoint accessPoint, int dialogMode) { 595 if (accessPoint != null) { 596 WifiConfiguration config = accessPoint.getConfig(); 597 if (WifiUtils.isNetworkLockedDown(getActivity(), config) && accessPoint.isActive()) { 598 RestrictedLockUtils.sendShowAdminSupportDetailsIntent(getActivity(), 599 RestrictedLockUtils.getDeviceOwner(getActivity())); 600 return; 601 } 602 } 603 604 if (mDialog != null) { 605 removeDialog(WIFI_DIALOG_ID); 606 mDialog = null; 607 } 608 609 // Save the access point and edit mode 610 mDlgAccessPoint = accessPoint; 611 mDialogMode = dialogMode; 612 613 showDialog(WIFI_DIALOG_ID); 614 } 615 616 @Override 617 public Dialog onCreateDialog(int dialogId) { 618 switch (dialogId) { 619 case WIFI_DIALOG_ID: 620 if (mDlgAccessPoint == null && mAccessPointSavedState == null) { 621 // add new network 622 mDialog = WifiDialog 623 .createFullscreen(getActivity(), this, mDlgAccessPoint, mDialogMode); 624 } else { 625 // modify network 626 if (mDlgAccessPoint == null) { 627 // restore AP from save state 628 mDlgAccessPoint = new AccessPoint(getActivity(), mAccessPointSavedState); 629 // Reset the saved access point data 630 mAccessPointSavedState = null; 631 } 632 mDialog = WifiDialog 633 .createModal(getActivity(), this, mDlgAccessPoint, mDialogMode); 634 } 635 636 mSelectedAccessPoint = mDlgAccessPoint; 637 return mDialog; 638 case WPS_PBC_DIALOG_ID: 639 return new WpsDialog(getActivity(), WpsInfo.PBC); 640 case WPS_PIN_DIALOG_ID: 641 return new WpsDialog(getActivity(), WpsInfo.DISPLAY); 642 case WRITE_NFC_DIALOG_ID: 643 if (mSelectedAccessPoint != null) { 644 mWifiToNfcDialog = new WriteWifiConfigToNfcDialog( 645 getActivity(), 646 mSelectedAccessPoint.getSecurity(), 647 new WifiManagerWrapper(mWifiManager)); 648 } else if (mWifiNfcDialogSavedState != null) { 649 mWifiToNfcDialog = new WriteWifiConfigToNfcDialog(getActivity(), 650 mWifiNfcDialogSavedState, new WifiManagerWrapper(mWifiManager)); 651 } 652 653 return mWifiToNfcDialog; 654 } 655 return super.onCreateDialog(dialogId); 656 } 657 658 @Override 659 public int getDialogMetricsCategory(int dialogId) { 660 switch (dialogId) { 661 case WIFI_DIALOG_ID: 662 return MetricsEvent.DIALOG_WIFI_AP_EDIT; 663 case WPS_PBC_DIALOG_ID: 664 return MetricsEvent.DIALOG_WIFI_PBC; 665 case WPS_PIN_DIALOG_ID: 666 return MetricsEvent.DIALOG_WIFI_PIN; 667 case WRITE_NFC_DIALOG_ID: 668 return MetricsEvent.DIALOG_WIFI_WRITE_NFC; 669 default: 670 return 0; 671 } 672 } 673 674 /** 675 * Called to indicate the list of AccessPoints has been updated and 676 * getAccessPoints should be called to get the latest information. 677 */ 678 @Override 679 public void onAccessPointsChanged() { 680 Log.d(TAG, "onAccessPointsChanged (WifiTracker) callback initiated"); 681 updateAccessPointsDelayed(); 682 } 683 684 /** 685 * Updates access points from {@link WifiManager#getScanResults()}. Adds a delay to have 686 * progress bar displayed before starting to modify APs. 687 */ 688 private void updateAccessPointsDelayed() { 689 // Safeguard from some delayed event handling 690 if (getActivity() != null && !mIsRestricted && mWifiManager.isWifiEnabled()) { 691 final View view = getView(); 692 final Handler handler = view.getHandler(); 693 if (handler != null && handler.hasCallbacks(mUpdateAccessPointsRunnable)) { 694 return; 695 } 696 setProgressBarVisible(true); 697 view.postDelayed(mUpdateAccessPointsRunnable, 300 /* delay milliseconds */); 698 } 699 } 700 701 /** Called when the state of Wifi has changed. */ 702 @Override 703 public void onWifiStateChanged(int state) { 704 if (mIsRestricted) { 705 return; 706 } 707 708 final int wifiState = mWifiManager.getWifiState(); 709 switch (wifiState) { 710 case WifiManager.WIFI_STATE_ENABLED: 711 conditionallyForceUpdateAPs(); 712 break; 713 714 case WifiManager.WIFI_STATE_ENABLING: 715 removeConnectedAccessPointPreference(); 716 mAccessPointsPreferenceCategory.removeAll(); 717 addMessagePreference(R.string.wifi_starting); 718 setProgressBarVisible(true); 719 break; 720 721 case WifiManager.WIFI_STATE_DISABLING: 722 removeConnectedAccessPointPreference(); 723 mAccessPointsPreferenceCategory.removeAll(); 724 addMessagePreference(R.string.wifi_stopping); 725 break; 726 727 case WifiManager.WIFI_STATE_DISABLED: 728 setOffMessage(); 729 setAdditionalSettingsSummaries(); 730 setProgressBarVisible(false); 731 break; 732 } 733 } 734 735 /** 736 * Called when the connection state of wifi has changed. 737 */ 738 @Override 739 public void onConnectedChanged() { 740 changeNextButtonState(mWifiTracker.isConnected()); 741 } 742 743 /** Helper method to return whether an AccessPoint is disabled due to a wrong password */ 744 private static boolean isDisabledByWrongPassword(AccessPoint accessPoint) { 745 WifiConfiguration config = accessPoint.getConfig(); 746 if (config == null) { 747 return false; 748 } 749 WifiConfiguration.NetworkSelectionStatus networkStatus = 750 config.getNetworkSelectionStatus(); 751 if (networkStatus == null || networkStatus.isNetworkEnabled()) { 752 return false; 753 } 754 int reason = networkStatus.getNetworkSelectionDisableReason(); 755 return WifiConfiguration.NetworkSelectionStatus.DISABLED_BY_WRONG_PASSWORD == reason; 756 } 757 758 private void updateAccessPointPreferences() { 759 // in case state has changed 760 if (!mWifiManager.isWifiEnabled()) { 761 return; 762 } 763 // AccessPoints are sorted by the WifiTracker 764 final List<AccessPoint> accessPoints = mWifiTracker.getAccessPoints(); 765 if (WifiTracker.sVerboseLogging) { 766 Log.i(TAG, "updateAccessPoints called for: " + accessPoints); 767 } 768 769 boolean hasAvailableAccessPoints = false; 770 mAccessPointsPreferenceCategory.removePreference(mStatusMessagePreference); 771 cacheRemoveAllPrefs(mAccessPointsPreferenceCategory); 772 773 int index = 774 configureConnectedAccessPointPreferenceCategory(accessPoints) ? 1 : 0; 775 int numAccessPoints = accessPoints.size(); 776 for (; index < numAccessPoints; index++) { 777 AccessPoint accessPoint = accessPoints.get(index); 778 // Ignore access points that are out of range. 779 if (accessPoint.isReachable()) { 780 String key = AccessPointPreference.generatePreferenceKey(accessPoint); 781 hasAvailableAccessPoints = true; 782 LongPressAccessPointPreference pref = 783 (LongPressAccessPointPreference) getCachedPreference(key); 784 if (pref != null) { 785 pref.setOrder(index); 786 continue; 787 } 788 LongPressAccessPointPreference preference = 789 createLongPressAccessPointPreference(accessPoint); 790 preference.setKey(key); 791 preference.setOrder(index); 792 if (mOpenSsid != null && mOpenSsid.equals(accessPoint.getSsidStr()) 793 && accessPoint.getSecurity() != AccessPoint.SECURITY_NONE) { 794 if (!accessPoint.isSaved() || isDisabledByWrongPassword(accessPoint)) { 795 onPreferenceTreeClick(preference); 796 mOpenSsid = null; 797 } 798 } 799 mAccessPointsPreferenceCategory.addPreference(preference); 800 accessPoint.setListener(WifiSettings.this); 801 preference.refresh(); 802 } 803 } 804 removeCachedPrefs(mAccessPointsPreferenceCategory); 805 mAddPreference.setOrder(index); 806 mAccessPointsPreferenceCategory.addPreference(mAddPreference); 807 setAdditionalSettingsSummaries(); 808 809 if (!hasAvailableAccessPoints) { 810 setProgressBarVisible(true); 811 Preference pref = new Preference(getPrefContext()); 812 pref.setSelectable(false); 813 pref.setSummary(R.string.wifi_empty_list_wifi_on); 814 pref.setOrder(index++); 815 pref.setKey(PREF_KEY_EMPTY_WIFI_LIST); 816 mAccessPointsPreferenceCategory.addPreference(pref); 817 } else { 818 // Continuing showing progress bar for an additional delay to overlap with animation 819 getView().postDelayed(mHideProgressBarRunnable, 1700 /* delay millis */); 820 } 821 } 822 823 @NonNull 824 private LongPressAccessPointPreference createLongPressAccessPointPreference( 825 AccessPoint accessPoint) { 826 return new LongPressAccessPointPreference(accessPoint, getPrefContext(), mUserBadgeCache, 827 false /* forSavedNetworks */, R.drawable.ic_wifi_signal_0, this); 828 } 829 830 @NonNull 831 private ConnectedAccessPointPreference createConnectedAccessPointPreference( 832 AccessPoint accessPoint) { 833 return new ConnectedAccessPointPreference(accessPoint, getPrefContext(), mUserBadgeCache, 834 R.drawable.ic_wifi_signal_0, false /* forSavedNetworks */); 835 } 836 837 /** 838 * Configure the ConnectedAccessPointPreferenceCategory and return true if the Category was 839 * shown. 840 */ 841 private boolean configureConnectedAccessPointPreferenceCategory( 842 List<AccessPoint> accessPoints) { 843 if (accessPoints.size() == 0) { 844 removeConnectedAccessPointPreference(); 845 return false; 846 } 847 848 AccessPoint connectedAp = accessPoints.get(0); 849 if (!connectedAp.isActive()) { 850 removeConnectedAccessPointPreference(); 851 return false; 852 } 853 854 // Is the preference category empty? 855 if (mConnectedAccessPointPreferenceCategory.getPreferenceCount() == 0) { 856 addConnectedAccessPointPreference(connectedAp); 857 return true; 858 } 859 860 // Is the previous currently connected SSID different from the new one? 861 AccessPointPreference preference = (AccessPointPreference) 862 (mConnectedAccessPointPreferenceCategory.getPreference(0)); 863 // The AccessPoints need to be the same reference to ensure that updates are reflected 864 // in the UI. 865 if (preference.getAccessPoint() != connectedAp) { 866 removeConnectedAccessPointPreference(); 867 addConnectedAccessPointPreference(connectedAp); 868 return true; 869 } 870 871 // Else same AP is connected, simply refresh the connected access point preference 872 // (first and only access point in this category). 873 ((AccessPointPreference) mConnectedAccessPointPreferenceCategory.getPreference(0)) 874 .refresh(); 875 return true; 876 } 877 878 /** 879 * Creates a Preference for the given {@link AccessPoint} and adds it to the 880 * {@link #mConnectedAccessPointPreferenceCategory}. 881 */ 882 private void addConnectedAccessPointPreference(AccessPoint connectedAp) { 883 final ConnectedAccessPointPreference pref = createConnectedAccessPointPreference( 884 connectedAp); 885 886 // Launch details page on click. 887 pref.setOnPreferenceClickListener(preference -> { 888 pref.getAccessPoint().saveWifiState(pref.getExtras()); 889 890 SettingsActivity activity = (SettingsActivity) WifiSettings.this.getActivity(); 891 activity.startPreferencePanel(this, 892 WifiNetworkDetailsFragment.class.getName(), pref.getExtras(), 893 -1 /* resId */, pref.getTitle(), null, 0 /* resultRequestCode */); 894 return true; 895 }); 896 897 pref.refresh(); 898 899 mConnectedAccessPointPreferenceCategory.addPreference(pref); 900 mConnectedAccessPointPreferenceCategory.setVisible(true); 901 if (mClickedConnect) { 902 mClickedConnect = false; 903 scrollToPreference(mConnectedAccessPointPreferenceCategory); 904 } 905 } 906 907 /** Removes all preferences and hide the {@link #mConnectedAccessPointPreferenceCategory}. */ 908 private void removeConnectedAccessPointPreference() { 909 mConnectedAccessPointPreferenceCategory.removeAll(); 910 mConnectedAccessPointPreferenceCategory.setVisible(false); 911 } 912 913 private void setAdditionalSettingsSummaries() { 914 mAdditionalSettingsPreferenceCategory.addPreference(mConfigureWifiSettingsPreference); 915 final int defaultWakeupAvailable = getResources().getInteger( 916 com.android.internal.R.integer.config_wifi_wakeup_available); 917 boolean wifiWakeupAvailable = Settings.Global.getInt( 918 getContentResolver(), Settings.Global.WIFI_WAKEUP_AVAILABLE, defaultWakeupAvailable) 919 == 1; 920 if (wifiWakeupAvailable) { 921 mConfigureWifiSettingsPreference.setSummary(getString( 922 isWifiWakeupEnabled() 923 ? R.string.wifi_configure_settings_preference_summary_wakeup_on 924 : R.string.wifi_configure_settings_preference_summary_wakeup_off)); 925 } 926 int numSavedNetworks = mWifiTracker.getNumSavedNetworks(); 927 if (numSavedNetworks > 0) { 928 mAdditionalSettingsPreferenceCategory.addPreference(mSavedNetworksPreference); 929 mSavedNetworksPreference.setSummary( 930 getResources().getQuantityString(R.plurals.wifi_saved_access_points_summary, 931 numSavedNetworks, numSavedNetworks)); 932 } else { 933 mAdditionalSettingsPreferenceCategory.removePreference(mSavedNetworksPreference); 934 } 935 } 936 937 private boolean isWifiWakeupEnabled() { 938 PowerManager powerManager = (PowerManager) getSystemService(Context.POWER_SERVICE); 939 ContentResolver contentResolver = getContentResolver(); 940 return Settings.Global.getInt(contentResolver, 941 Settings.Global.WIFI_WAKEUP_ENABLED, 0) == 1 942 && Settings.Global.getInt(contentResolver, 943 Settings.Global.WIFI_SCAN_ALWAYS_AVAILABLE, 0) == 1 944 && Settings.Global.getInt(contentResolver, 945 Settings.Global.AIRPLANE_MODE_ON, 0) == 0 946 && Settings.Global.getInt(contentResolver, 947 Settings.Global.NETWORK_RECOMMENDATIONS_ENABLED, 0) == 1 948 && !powerManager.isPowerSaveMode(); 949 } 950 951 private void setOffMessage() { 952 final CharSequence title = getText(R.string.wifi_empty_list_wifi_off); 953 // Don't use WifiManager.isScanAlwaysAvailable() to check the Wi-Fi scanning mode. Instead, 954 // read the system settings directly. Because when the device is in Airplane mode, even if 955 // Wi-Fi scanning mode is on, WifiManager.isScanAlwaysAvailable() still returns "off". 956 final boolean wifiScanningMode = Settings.Global.getInt(getActivity().getContentResolver(), 957 Settings.Global.WIFI_SCAN_ALWAYS_AVAILABLE, 0) == 1; 958 final CharSequence description = wifiScanningMode ? getText(R.string.wifi_scan_notify_text) 959 : getText(R.string.wifi_scan_notify_text_scanning_off); 960 final LinkifyUtils.OnClickListener clickListener = new LinkifyUtils.OnClickListener() { 961 @Override 962 public void onClick() { 963 final SettingsActivity activity = (SettingsActivity) getActivity(); 964 activity.startPreferencePanel(WifiSettings.this, 965 ScanningSettings.class.getName(), 966 null, R.string.location_scanning_screen_title, null, null, 0); 967 } 968 }; 969 mStatusMessagePreference.setText(title, description, clickListener); 970 removeConnectedAccessPointPreference(); 971 mAccessPointsPreferenceCategory.removeAll(); 972 mAccessPointsPreferenceCategory.addPreference(mStatusMessagePreference); 973 } 974 975 private void addMessagePreference(int messageId) { 976 mStatusMessagePreference.setTitle(messageId); 977 removeConnectedAccessPointPreference(); 978 mAccessPointsPreferenceCategory.removeAll(); 979 mAccessPointsPreferenceCategory.addPreference(mStatusMessagePreference); 980 } 981 982 protected void setProgressBarVisible(boolean visible) { 983 if (mProgressHeader != null) { 984 mProgressHeader.setVisibility(visible ? View.VISIBLE : View.GONE); 985 } 986 } 987 988 /** 989 * Renames/replaces "Next" button when appropriate. "Next" button usually exists in 990 * Wifi setup screens, not in usual wifi settings screen. 991 * 992 * @param enabled true when the device is connected to a wifi network. 993 */ 994 private void changeNextButtonState(boolean enabled) { 995 if (mEnableNextOnConnection && hasNextButton()) { 996 getNextButton().setEnabled(enabled); 997 } 998 } 999 1000 @Override 1001 public void onForget(WifiDialog dialog) { 1002 forget(); 1003 } 1004 1005 @Override 1006 public void onSubmit(WifiDialog dialog) { 1007 if (mDialog != null) { 1008 submit(mDialog.getController()); 1009 } 1010 } 1011 1012 /* package */ void submit(WifiConfigController configController) { 1013 1014 final WifiConfiguration config = configController.getConfig(); 1015 1016 if (config == null) { 1017 if (mSelectedAccessPoint != null 1018 && mSelectedAccessPoint.isSaved()) { 1019 connect(mSelectedAccessPoint.getConfig(), true /* isSavedNetwork */); 1020 } 1021 } else if (configController.getMode() == WifiConfigUiBase.MODE_MODIFY) { 1022 mWifiManager.save(config, mSaveListener); 1023 } else { 1024 mWifiManager.save(config, mSaveListener); 1025 if (mSelectedAccessPoint != null) { // Not an "Add network" 1026 connect(config, false /* isSavedNetwork */); 1027 } 1028 } 1029 1030 mWifiTracker.resumeScanning(); 1031 } 1032 1033 /* package */ void forget() { 1034 mMetricsFeatureProvider.action(getActivity(), MetricsEvent.ACTION_WIFI_FORGET); 1035 if (!mSelectedAccessPoint.isSaved()) { 1036 if (mSelectedAccessPoint.getNetworkInfo() != null && 1037 mSelectedAccessPoint.getNetworkInfo().getState() != State.DISCONNECTED) { 1038 // Network is active but has no network ID - must be ephemeral. 1039 mWifiManager.disableEphemeralNetwork( 1040 AccessPoint.convertToQuotedString(mSelectedAccessPoint.getSsidStr())); 1041 } else { 1042 // Should not happen, but a monkey seems to trigger it 1043 Log.e(TAG, "Failed to forget invalid network " + mSelectedAccessPoint.getConfig()); 1044 return; 1045 } 1046 } else if (mSelectedAccessPoint.getConfig().isPasspoint()) { 1047 mWifiManager.removePasspointConfiguration(mSelectedAccessPoint.getConfig().FQDN); 1048 } else { 1049 mWifiManager.forget(mSelectedAccessPoint.getConfig().networkId, mForgetListener); 1050 } 1051 1052 mWifiTracker.resumeScanning(); 1053 1054 // We need to rename/replace "Next" button in wifi setup context. 1055 changeNextButtonState(false); 1056 } 1057 1058 protected void connect(final WifiConfiguration config, boolean isSavedNetwork) { 1059 // Log subtype if configuration is a saved network. 1060 mMetricsFeatureProvider.action(getVisibilityLogger(), MetricsEvent.ACTION_WIFI_CONNECT, 1061 isSavedNetwork); 1062 mWifiManager.connect(config, mConnectListener); 1063 mClickedConnect = true; 1064 } 1065 1066 protected void connect(final int networkId, boolean isSavedNetwork) { 1067 // Log subtype if configuration is a saved network. 1068 mMetricsFeatureProvider.action(getActivity(), MetricsEvent.ACTION_WIFI_CONNECT, 1069 isSavedNetwork); 1070 mWifiManager.connect(networkId, mConnectListener); 1071 } 1072 1073 /** 1074 * Called when "add network" button is pressed. 1075 */ 1076 /* package */ void onAddNetworkPressed() { 1077 mMetricsFeatureProvider.action(getActivity(), MetricsEvent.ACTION_WIFI_ADD_NETWORK); 1078 // No exact access point is selected. 1079 mSelectedAccessPoint = null; 1080 showDialog(null, WifiConfigUiBase.MODE_CONNECT); 1081 } 1082 1083 @Override 1084 public int getHelpResource() { 1085 return R.string.help_url_wifi; 1086 } 1087 1088 @Override 1089 public void onAccessPointChanged(final AccessPoint accessPoint) { 1090 Log.d(TAG, "onAccessPointChanged (singular) callback initiated"); 1091 View view = getView(); 1092 if (view != null) { 1093 view.post(new Runnable() { 1094 @Override 1095 public void run() { 1096 Object tag = accessPoint.getTag(); 1097 if (tag != null) { 1098 ((AccessPointPreference) tag).refresh(); 1099 } 1100 } 1101 }); 1102 } 1103 } 1104 1105 @Override 1106 public void onLevelChanged(AccessPoint accessPoint) { 1107 ((AccessPointPreference) accessPoint.getTag()).onLevelChanged(); 1108 } 1109 1110 public static final SearchIndexProvider SEARCH_INDEX_DATA_PROVIDER = 1111 new BaseSearchIndexProvider() { 1112 @Override 1113 public List<SearchIndexableRaw> getRawDataToIndex(Context context, boolean enabled) { 1114 final List<SearchIndexableRaw> result = new ArrayList<>(); 1115 final Resources res = context.getResources(); 1116 1117 // Add fragment title if we are showing this fragment 1118 if (res.getBoolean(R.bool.config_show_wifi_settings)) { 1119 SearchIndexableRaw data = new SearchIndexableRaw(context); 1120 data.title = res.getString(R.string.wifi_settings); 1121 data.screenTitle = res.getString(R.string.wifi_settings); 1122 data.keywords = res.getString(R.string.keywords_wifi); 1123 data.key = DATA_KEY_REFERENCE; 1124 result.add(data); 1125 } 1126 1127 return result; 1128 } 1129 }; 1130 1131 private static class SummaryProvider 1132 implements SummaryLoader.SummaryProvider, OnSummaryChangeListener { 1133 1134 private final Context mContext; 1135 private final SummaryLoader mSummaryLoader; 1136 1137 @VisibleForTesting 1138 WifiSummaryUpdater mSummaryHelper; 1139 1140 public SummaryProvider(Context context, SummaryLoader summaryLoader) { 1141 mContext = context; 1142 mSummaryLoader = summaryLoader; 1143 mSummaryHelper = new WifiSummaryUpdater(mContext, this); 1144 } 1145 1146 1147 @Override 1148 public void setListening(boolean listening) { 1149 mSummaryHelper.register(listening); 1150 } 1151 1152 @Override 1153 public void onSummaryChanged(String summary) { 1154 mSummaryLoader.setSummary(this, summary); 1155 } 1156 } 1157 1158 public static final SummaryLoader.SummaryProviderFactory SUMMARY_PROVIDER_FACTORY 1159 = new SummaryLoader.SummaryProviderFactory() { 1160 @Override 1161 public SummaryLoader.SummaryProvider createSummaryProvider(Activity activity, 1162 SummaryLoader summaryLoader) { 1163 return new SummaryProvider(activity, summaryLoader); 1164 } 1165 }; 1166} 1167