WifiSettings.java revision dee1a22c45c78dd1d4a681314045b0757b63623d
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.app.admin.DevicePolicyManager; 25import android.content.ComponentName; 26import android.content.ContentResolver; 27import android.content.Context; 28import android.content.Intent; 29import android.content.pm.PackageManager; 30import android.content.pm.PackageManager.NameNotFoundException; 31import android.content.res.Resources; 32import android.net.ConnectivityManager; 33import android.net.NetworkInfo; 34import android.net.NetworkInfo.State; 35import android.net.wifi.WifiConfiguration; 36import android.net.wifi.WifiManager; 37import android.net.wifi.WpsInfo; 38import android.nfc.NfcAdapter; 39import android.os.Bundle; 40import android.os.HandlerThread; 41import android.os.PowerManager; 42import android.os.Process; 43import android.provider.Settings; 44import android.support.annotation.VisibleForTesting; 45import android.support.v7.preference.Preference; 46import android.support.v7.preference.PreferenceCategory; 47import android.util.Log; 48import android.view.ContextMenu; 49import android.view.ContextMenu.ContextMenuInfo; 50import android.view.Menu; 51import android.view.MenuItem; 52import android.view.View; 53import android.widget.Toast; 54 55import com.android.internal.logging.nano.MetricsProto.MetricsEvent; 56import com.android.settings.LinkifyUtils; 57import com.android.settings.R; 58import com.android.settings.RestrictedSettingsFragment; 59import com.android.settings.SettingsActivity; 60import com.android.settings.dashboard.SummaryLoader; 61import com.android.settings.location.ScanningSettings; 62import com.android.settings.search.BaseSearchIndexProvider; 63import com.android.settings.search.Indexable; 64import com.android.settings.search.SearchIndexableRaw; 65import com.android.settings.widget.SummaryUpdater.OnSummaryChangeListener; 66import com.android.settings.widget.SwitchBarController; 67import com.android.settings.wifi.details.WifiNetworkDetailsFragment; 68import com.android.settings.wrapper.WifiManagerWrapper; 69import com.android.settingslib.RestrictedLockUtils; 70import com.android.settingslib.wifi.AccessPoint; 71import com.android.settingslib.wifi.AccessPoint.AccessPointListener; 72import com.android.settingslib.wifi.AccessPointPreference; 73import com.android.settingslib.wifi.WifiTracker; 74import com.android.settingslib.wifi.WifiTrackerFactory; 75 76import java.util.ArrayList; 77import java.util.List; 78 79/** 80 * Two types of UI are provided here. 81 * 82 * The first is for "usual Settings", appearing as any other Setup fragment. 83 * 84 * The second is for Setup Wizard, with a simplified interface that hides the action bar 85 * and menus. 86 */ 87public class WifiSettings extends RestrictedSettingsFragment 88 implements Indexable, WifiTracker.WifiListener, AccessPointListener, 89 WifiDialog.WifiDialogListener { 90 91 private static final String TAG = "WifiSettings"; 92 private static final boolean DEBUG = Log.isLoggable(TAG, Log.DEBUG); 93 94 /* package */ static final int MENU_ID_WPS_PBC = Menu.FIRST; 95 private static final int MENU_ID_WPS_PIN = Menu.FIRST + 1; 96 private static final int MENU_ID_CONNECT = Menu.FIRST + 6; 97 private static final int MENU_ID_FORGET = Menu.FIRST + 7; 98 private static final int MENU_ID_MODIFY = Menu.FIRST + 8; 99 private static final int MENU_ID_WRITE_NFC = Menu.FIRST + 9; 100 101 public static final int WIFI_DIALOG_ID = 1; 102 /* package */ static final int WPS_PBC_DIALOG_ID = 2; 103 private static final int WPS_PIN_DIALOG_ID = 3; 104 private static final int WRITE_NFC_DIALOG_ID = 6; 105 106 // Instance state keys 107 private static final String SAVE_DIALOG_MODE = "dialog_mode"; 108 private static final String SAVE_DIALOG_ACCESS_POINT_STATE = "wifi_ap_state"; 109 private static final String SAVED_WIFI_NFC_DIALOG_STATE = "wifi_nfc_dlg_state"; 110 111 private static final String PREF_KEY_EMPTY_WIFI_LIST = "wifi_empty_list"; 112 private static final String PREF_KEY_CONNECTED_ACCESS_POINTS = "connected_access_point"; 113 private static final String PREF_KEY_ACCESS_POINTS = "access_points"; 114 private static final String PREF_KEY_ADDITIONAL_SETTINGS = "additional_settings"; 115 private static final String PREF_KEY_CONFIGURE_WIFI_SETTINGS = "configure_settings"; 116 private static final String PREF_KEY_SAVED_NETWORKS = "saved_networks"; 117 118 private final Runnable mUpdateAccessPointsRunnable = () -> { 119 updateAccessPointPreferences(); 120 }; 121 private final Runnable mHideProgressBarRunnable = () -> { 122 setProgressBarVisible(false); 123 }; 124 125 protected WifiManager mWifiManager; 126 private WifiManager.ActionListener mConnectListener; 127 private WifiManager.ActionListener mSaveListener; 128 private WifiManager.ActionListener mForgetListener; 129 130 /** 131 * The state of {@link #isUiRestricted()} at {@link #onCreate(Bundle)}}. This is neccesary to 132 * ensure that behavior is consistent if {@link #isUiRestricted()} changes. It could be changed 133 * by the Test DPC tool in AFW mode. 134 */ 135 private boolean mIsRestricted; 136 137 private WifiEnabler mWifiEnabler; 138 // An access point being editted is stored here. 139 private AccessPoint mSelectedAccessPoint; 140 141 private WifiDialog mDialog; 142 private WriteWifiConfigToNfcDialog mWifiToNfcDialog; 143 144 private View mProgressHeader; 145 146 // this boolean extra specifies whether to disable the Next button when not connected. Used by 147 // account creation outside of setup wizard. 148 private static final String EXTRA_ENABLE_NEXT_ON_CONNECT = "wifi_enable_next_on_connect"; 149 // This string extra specifies a network to open the connect dialog on, so the user can enter 150 // network credentials. This is used by quick settings for secured networks, among other 151 // things. 152 public static final String EXTRA_START_CONNECT_SSID = "wifi_start_connect_ssid"; 153 154 // should Next button only be enabled when we have a connection? 155 private boolean mEnableNextOnConnection; 156 157 // Save the dialog details 158 private int mDialogMode; 159 private AccessPoint mDlgAccessPoint; 160 private Bundle mAccessPointSavedState; 161 private Bundle mWifiNfcDialogSavedState; 162 163 private WifiTracker mWifiTracker; 164 private String mOpenSsid; 165 166 private HandlerThread mBgThread; 167 168 private AccessPointPreference.UserBadgeCache mUserBadgeCache; 169 170 private PreferenceCategory mConnectedAccessPointPreferenceCategory; 171 private PreferenceCategory mAccessPointsPreferenceCategory; 172 private PreferenceCategory mAdditionalSettingsPreferenceCategory; 173 private Preference mAddPreference; 174 private Preference mConfigureWifiSettingsPreference; 175 private Preference mSavedNetworksPreference; 176 private LinkablePreference mStatusMessagePreference; 177 178 // For Search 179 private static final String DATA_KEY_REFERENCE = "main_toggle_wifi"; 180 181 /** 182 * Tracks whether the user initiated a connection via clicking in order to autoscroll to the 183 * network once connected. 184 */ 185 private boolean mClickedConnect; 186 187 /* End of "used in Wifi Setup context" */ 188 189 public WifiSettings() { 190 super(DISALLOW_CONFIG_WIFI); 191 } 192 193 @Override 194 public void onViewCreated(View view, Bundle savedInstanceState) { 195 super.onViewCreated(view, savedInstanceState); 196 final Activity activity = getActivity(); 197 if (activity != null) { 198 mProgressHeader = setPinnedHeaderView(R.layout.wifi_progress_header) 199 .findViewById(R.id.progress_bar_animation); 200 setProgressBarVisible(false); 201 } 202 } 203 204 @Override 205 public void onCreate(Bundle icicle) { 206 super.onCreate(icicle); 207 208 // TODO(b/37429702): Add animations and preference comparator back after initial screen is 209 // loaded (ODR). 210 setAnimationAllowed(false); 211 212 addPreferences(); 213 214 mIsRestricted = isUiRestricted(); 215 216 mBgThread = new HandlerThread(TAG, Process.THREAD_PRIORITY_BACKGROUND); 217 mBgThread.start(); 218 } 219 220 private void addPreferences() { 221 addPreferencesFromResource(R.xml.wifi_settings); 222 223 mConnectedAccessPointPreferenceCategory = 224 (PreferenceCategory) findPreference(PREF_KEY_CONNECTED_ACCESS_POINTS); 225 mAccessPointsPreferenceCategory = 226 (PreferenceCategory) findPreference(PREF_KEY_ACCESS_POINTS); 227 mAdditionalSettingsPreferenceCategory = 228 (PreferenceCategory) findPreference(PREF_KEY_ADDITIONAL_SETTINGS); 229 mConfigureWifiSettingsPreference = findPreference(PREF_KEY_CONFIGURE_WIFI_SETTINGS); 230 mSavedNetworksPreference = findPreference(PREF_KEY_SAVED_NETWORKS); 231 232 Context prefContext = getPrefContext(); 233 mAddPreference = new Preference(prefContext); 234 mAddPreference.setIcon(R.drawable.ic_menu_add_inset); 235 mAddPreference.setTitle(R.string.wifi_add_network); 236 mStatusMessagePreference = new LinkablePreference(prefContext); 237 238 mUserBadgeCache = new AccessPointPreference.UserBadgeCache(getPackageManager()); 239 } 240 241 @Override 242 public void onDestroy() { 243 mBgThread.quit(); 244 super.onDestroy(); 245 } 246 247 @Override 248 public void onActivityCreated(Bundle savedInstanceState) { 249 super.onActivityCreated(savedInstanceState); 250 251 mWifiTracker = WifiTrackerFactory.create( 252 getActivity(), this, mBgThread.getLooper(), true, true, false); 253 mWifiManager = mWifiTracker.getManager(); 254 255 mConnectListener = new WifiManager.ActionListener() { 256 @Override 257 public void onSuccess() { 258 } 259 @Override 260 public void onFailure(int reason) { 261 Activity activity = getActivity(); 262 if (activity != null) { 263 Toast.makeText(activity, 264 R.string.wifi_failed_connect_message, 265 Toast.LENGTH_SHORT).show(); 266 } 267 } 268 }; 269 270 mSaveListener = new WifiManager.ActionListener() { 271 @Override 272 public void onSuccess() { 273 } 274 @Override 275 public void onFailure(int reason) { 276 Activity activity = getActivity(); 277 if (activity != null) { 278 Toast.makeText(activity, 279 R.string.wifi_failed_save_message, 280 Toast.LENGTH_SHORT).show(); 281 } 282 } 283 }; 284 285 mForgetListener = new WifiManager.ActionListener() { 286 @Override 287 public void onSuccess() { 288 } 289 @Override 290 public void onFailure(int reason) { 291 Activity activity = getActivity(); 292 if (activity != null) { 293 Toast.makeText(activity, 294 R.string.wifi_failed_forget_message, 295 Toast.LENGTH_SHORT).show(); 296 } 297 } 298 }; 299 300 if (savedInstanceState != null) { 301 mDialogMode = savedInstanceState.getInt(SAVE_DIALOG_MODE); 302 if (savedInstanceState.containsKey(SAVE_DIALOG_ACCESS_POINT_STATE)) { 303 mAccessPointSavedState = 304 savedInstanceState.getBundle(SAVE_DIALOG_ACCESS_POINT_STATE); 305 } 306 307 if (savedInstanceState.containsKey(SAVED_WIFI_NFC_DIALOG_STATE)) { 308 mWifiNfcDialogSavedState = 309 savedInstanceState.getBundle(SAVED_WIFI_NFC_DIALOG_STATE); 310 } 311 } 312 313 // if we're supposed to enable/disable the Next button based on our current connection 314 // state, start it off in the right state 315 Intent intent = getActivity().getIntent(); 316 mEnableNextOnConnection = intent.getBooleanExtra(EXTRA_ENABLE_NEXT_ON_CONNECT, false); 317 318 if (mEnableNextOnConnection) { 319 if (hasNextButton()) { 320 final ConnectivityManager connectivity = (ConnectivityManager) 321 getActivity().getSystemService(Context.CONNECTIVITY_SERVICE); 322 if (connectivity != null) { 323 NetworkInfo info = connectivity.getNetworkInfo( 324 ConnectivityManager.TYPE_WIFI); 325 changeNextButtonState(info.isConnected()); 326 } 327 } 328 } 329 330 registerForContextMenu(getListView()); 331 setHasOptionsMenu(true); 332 333 if (intent.hasExtra(EXTRA_START_CONNECT_SSID)) { 334 mOpenSsid = intent.getStringExtra(EXTRA_START_CONNECT_SSID); 335 } 336 } 337 338 @Override 339 public void onDestroyView() { 340 super.onDestroyView(); 341 342 if (mWifiEnabler != null) { 343 mWifiEnabler.teardownSwitchController(); 344 } 345 } 346 347 @Override 348 public void onStart() { 349 super.onStart(); 350 351 // On/off switch is hidden for Setup Wizard (returns null) 352 mWifiEnabler = createWifiEnabler(); 353 354 mWifiTracker.startTracking(); 355 356 if (mIsRestricted) { 357 restrictUi(); 358 return; 359 } 360 361 onWifiStateChanged(mWifiManager.getWifiState()); 362 } 363 364 private void restrictUi() { 365 if (!isUiRestrictedByOnlyAdmin()) { 366 getEmptyTextView().setText(R.string.wifi_empty_list_user_restricted); 367 } 368 getPreferenceScreen().removeAll(); 369 } 370 371 /** 372 * Only update the AP list if there are not any APs currently shown. 373 * 374 * <p>Thus forceUpdate will only be called during cold start or when toggling between wifi on 375 * and off. In other use cases, the previous APs will remain until the next update is received 376 * from {@link WifiTracker}. 377 */ 378 private void conditionallyForceUpdateAPs() { 379 if (mAccessPointsPreferenceCategory.getPreferenceCount() > 0 380 && mAccessPointsPreferenceCategory.getPreference(0) instanceof 381 AccessPointPreference) { 382 // Make sure we don't update due to callbacks initiated by sticky broadcasts in 383 // WifiTracker. 384 Log.d(TAG, "Did not force update APs due to existing APs displayed"); 385 getView().removeCallbacks(mUpdateAccessPointsRunnable); 386 return; 387 } 388 setProgressBarVisible(true); 389 mWifiTracker.forceUpdate(); 390 if (DEBUG) { 391 Log.d(TAG, "WifiSettings force update APs: " + mWifiTracker.getAccessPoints()); 392 } 393 getView().removeCallbacks(mUpdateAccessPointsRunnable); 394 updateAccessPointPreferences(); 395 } 396 397 /** 398 * @return new WifiEnabler or null (as overridden by WifiSettingsForSetupWizard) 399 */ 400 private WifiEnabler createWifiEnabler() { 401 final SettingsActivity activity = (SettingsActivity) getActivity(); 402 return new WifiEnabler(activity, new SwitchBarController(activity.getSwitchBar()), 403 mMetricsFeatureProvider); 404 } 405 406 @Override 407 public void onResume() { 408 final Activity activity = getActivity(); 409 super.onResume(); 410 411 // Because RestrictedSettingsFragment's onResume potentially requests authorization, 412 // which changes the restriction state, recalculate it. 413 final boolean alreadyImmutablyRestricted = mIsRestricted; 414 mIsRestricted = isUiRestricted(); 415 if (!alreadyImmutablyRestricted && mIsRestricted) { 416 restrictUi(); 417 } 418 419 if (mWifiEnabler != null) { 420 mWifiEnabler.resume(activity); 421 } 422 } 423 424 @Override 425 public void onPause() { 426 super.onPause(); 427 if (mWifiEnabler != null) { 428 mWifiEnabler.pause(); 429 } 430 } 431 432 @Override 433 public void onStop() { 434 mWifiTracker.stopTracking(); 435 getView().removeCallbacks(mUpdateAccessPointsRunnable); 436 getView().removeCallbacks(mHideProgressBarRunnable); 437 super.onStop(); 438 } 439 440 @Override 441 public void onActivityResult(int requestCode, int resultCode, Intent data) { 442 super.onActivityResult(requestCode, resultCode, data); 443 444 final boolean formerlyRestricted = mIsRestricted; 445 mIsRestricted = isUiRestricted(); 446 if (formerlyRestricted && !mIsRestricted 447 && getPreferenceScreen().getPreferenceCount() == 0) { 448 // De-restrict the ui 449 addPreferences(); 450 } 451 } 452 453 @Override 454 public int getMetricsCategory() { 455 return MetricsEvent.WIFI; 456 } 457 458 @Override 459 public void onSaveInstanceState(Bundle outState) { 460 super.onSaveInstanceState(outState); 461 462 // If the dialog is showing, save its state. 463 if (mDialog != null && mDialog.isShowing()) { 464 outState.putInt(SAVE_DIALOG_MODE, mDialogMode); 465 if (mDlgAccessPoint != null) { 466 mAccessPointSavedState = new Bundle(); 467 mDlgAccessPoint.saveWifiState(mAccessPointSavedState); 468 outState.putBundle(SAVE_DIALOG_ACCESS_POINT_STATE, mAccessPointSavedState); 469 } 470 } 471 472 if (mWifiToNfcDialog != null && mWifiToNfcDialog.isShowing()) { 473 Bundle savedState = new Bundle(); 474 mWifiToNfcDialog.saveState(savedState); 475 outState.putBundle(SAVED_WIFI_NFC_DIALOG_STATE, savedState); 476 } 477 } 478 479 @Override 480 public boolean onOptionsItemSelected(MenuItem item) { 481 // If the user is not allowed to configure wifi, do not handle menu selections. 482 if (mIsRestricted) { 483 return false; 484 } 485 486 switch (item.getItemId()) { 487 case MENU_ID_WPS_PBC: 488 showDialog(WPS_PBC_DIALOG_ID); 489 return true; 490 case MENU_ID_WPS_PIN: 491 showDialog(WPS_PIN_DIALOG_ID); 492 return true; 493 } 494 return super.onOptionsItemSelected(item); 495 } 496 497 @Override 498 public void onCreateContextMenu(ContextMenu menu, View view, ContextMenuInfo info) { 499 Preference preference = (Preference) view.getTag(); 500 501 if (preference instanceof LongPressAccessPointPreference) { 502 mSelectedAccessPoint = 503 ((LongPressAccessPointPreference) preference).getAccessPoint(); 504 menu.setHeaderTitle(mSelectedAccessPoint.getSsid()); 505 if (mSelectedAccessPoint.isConnectable()) { 506 menu.add(Menu.NONE, MENU_ID_CONNECT, 0, R.string.wifi_menu_connect); 507 } 508 509 WifiConfiguration config = mSelectedAccessPoint.getConfig(); 510 // Some configs are ineditable 511 if (isEditabilityLockedDown(getActivity(), config)) { 512 return; 513 } 514 515 if (mSelectedAccessPoint.isSaved() || mSelectedAccessPoint.isEphemeral()) { 516 // Allow forgetting a network if either the network is saved or ephemerally 517 // connected. (In the latter case, "forget" blacklists the network so it won't 518 // be used again, ephemerally). 519 menu.add(Menu.NONE, MENU_ID_FORGET, 0, R.string.wifi_menu_forget); 520 } 521 if (mSelectedAccessPoint.isSaved()) { 522 menu.add(Menu.NONE, MENU_ID_MODIFY, 0, R.string.wifi_menu_modify); 523 NfcAdapter nfcAdapter = NfcAdapter.getDefaultAdapter(getActivity()); 524 if (nfcAdapter != null && nfcAdapter.isEnabled() && 525 mSelectedAccessPoint.getSecurity() != AccessPoint.SECURITY_NONE) { 526 // Only allow writing of NFC tags for password-protected networks. 527 menu.add(Menu.NONE, MENU_ID_WRITE_NFC, 0, R.string.wifi_menu_write_to_nfc); 528 } 529 } 530 } 531 } 532 533 @Override 534 public boolean onContextItemSelected(MenuItem item) { 535 if (mSelectedAccessPoint == null) { 536 return super.onContextItemSelected(item); 537 } 538 switch (item.getItemId()) { 539 case MENU_ID_CONNECT: { 540 boolean isSavedNetwork = mSelectedAccessPoint.isSaved(); 541 if (isSavedNetwork) { 542 connect(mSelectedAccessPoint.getConfig(), isSavedNetwork); 543 } else if (mSelectedAccessPoint.getSecurity() == AccessPoint.SECURITY_NONE) { 544 /** Bypass dialog for unsecured networks */ 545 mSelectedAccessPoint.generateOpenNetworkConfig(); 546 connect(mSelectedAccessPoint.getConfig(), isSavedNetwork); 547 } else { 548 showDialog(mSelectedAccessPoint, WifiConfigUiBase.MODE_CONNECT); 549 } 550 return true; 551 } 552 case MENU_ID_FORGET: { 553 forget(); 554 return true; 555 } 556 case MENU_ID_MODIFY: { 557 showDialog(mSelectedAccessPoint, WifiConfigUiBase.MODE_MODIFY); 558 return true; 559 } 560 case MENU_ID_WRITE_NFC: 561 showDialog(WRITE_NFC_DIALOG_ID); 562 return true; 563 564 } 565 return super.onContextItemSelected(item); 566 } 567 568 @Override 569 public boolean onPreferenceTreeClick(Preference preference) { 570 // If the preference has a fragment set, open that 571 if (preference.getFragment() != null) { 572 preference.setOnPreferenceClickListener(null); 573 return super.onPreferenceTreeClick(preference); 574 } 575 576 if (preference instanceof LongPressAccessPointPreference) { 577 mSelectedAccessPoint = ((LongPressAccessPointPreference) preference).getAccessPoint(); 578 if (mSelectedAccessPoint == null) { 579 return false; 580 } 581 if (mSelectedAccessPoint.isActive()) { 582 return super.onPreferenceTreeClick(preference); 583 } 584 /** 585 * Bypass dialog and connect to unsecured networks, or previously connected saved 586 * networks, or Passpoint provided networks. 587 */ 588 WifiConfiguration config = mSelectedAccessPoint.getConfig(); 589 if (mSelectedAccessPoint.getSecurity() == AccessPoint.SECURITY_NONE) { 590 mSelectedAccessPoint.generateOpenNetworkConfig(); 591 connect(mSelectedAccessPoint.getConfig(), mSelectedAccessPoint.isSaved()); 592 } else if (mSelectedAccessPoint.isSaved() && config != null 593 && config.getNetworkSelectionStatus() != null 594 && config.getNetworkSelectionStatus().getHasEverConnected()) { 595 connect(config, true /* isSavedNetwork */); 596 } else if (mSelectedAccessPoint.isPasspoint()) { 597 // Access point provided by an installed Passpoint provider, connect using 598 // the associated config. 599 connect(config, true /* isSavedNetwork */); 600 } else { 601 showDialog(mSelectedAccessPoint, WifiConfigUiBase.MODE_CONNECT); 602 } 603 } else if (preference == mAddPreference) { 604 onAddNetworkPressed(); 605 } else { 606 return super.onPreferenceTreeClick(preference); 607 } 608 return true; 609 } 610 611 private void showDialog(AccessPoint accessPoint, int dialogMode) { 612 if (accessPoint != null) { 613 WifiConfiguration config = accessPoint.getConfig(); 614 if (isEditabilityLockedDown(getActivity(), config) && accessPoint.isActive()) { 615 RestrictedLockUtils.sendShowAdminSupportDetailsIntent(getActivity(), 616 RestrictedLockUtils.getDeviceOwner(getActivity())); 617 return; 618 } 619 } 620 621 if (mDialog != null) { 622 removeDialog(WIFI_DIALOG_ID); 623 mDialog = null; 624 } 625 626 // Save the access point and edit mode 627 mDlgAccessPoint = accessPoint; 628 mDialogMode = dialogMode; 629 630 showDialog(WIFI_DIALOG_ID); 631 } 632 633 @Override 634 public Dialog onCreateDialog(int dialogId) { 635 switch (dialogId) { 636 case WIFI_DIALOG_ID: 637 if (mDlgAccessPoint == null && mAccessPointSavedState == null) { 638 // add new network 639 mDialog = WifiDialog 640 .createFullscreen(getActivity(), this, mDlgAccessPoint, mDialogMode); 641 } else { 642 // modify network 643 if (mDlgAccessPoint == null) { 644 // restore AP from save state 645 mDlgAccessPoint = new AccessPoint(getActivity(), mAccessPointSavedState); 646 // Reset the saved access point data 647 mAccessPointSavedState = null; 648 } 649 mDialog = WifiDialog 650 .createModal(getActivity(), this, mDlgAccessPoint, mDialogMode); 651 } 652 653 mSelectedAccessPoint = mDlgAccessPoint; 654 return mDialog; 655 case WPS_PBC_DIALOG_ID: 656 return new WpsDialog(getActivity(), WpsInfo.PBC); 657 case WPS_PIN_DIALOG_ID: 658 return new WpsDialog(getActivity(), WpsInfo.DISPLAY); 659 case WRITE_NFC_DIALOG_ID: 660 if (mSelectedAccessPoint != null) { 661 mWifiToNfcDialog = new WriteWifiConfigToNfcDialog( 662 getActivity(), 663 mSelectedAccessPoint.getSecurity(), 664 new WifiManagerWrapper(mWifiManager)); 665 } else if (mWifiNfcDialogSavedState != null) { 666 mWifiToNfcDialog = new WriteWifiConfigToNfcDialog(getActivity(), 667 mWifiNfcDialogSavedState, new WifiManagerWrapper(mWifiManager)); 668 } 669 670 return mWifiToNfcDialog; 671 } 672 return super.onCreateDialog(dialogId); 673 } 674 675 @Override 676 public int getDialogMetricsCategory(int dialogId) { 677 switch (dialogId) { 678 case WIFI_DIALOG_ID: 679 return MetricsEvent.DIALOG_WIFI_AP_EDIT; 680 case WPS_PBC_DIALOG_ID: 681 return MetricsEvent.DIALOG_WIFI_PBC; 682 case WPS_PIN_DIALOG_ID: 683 return MetricsEvent.DIALOG_WIFI_PIN; 684 case WRITE_NFC_DIALOG_ID: 685 return MetricsEvent.DIALOG_WIFI_WRITE_NFC; 686 default: 687 return 0; 688 } 689 } 690 691 /** 692 * Called to indicate the list of AccessPoints has been updated and 693 * getAccessPoints should be called to get the latest information. 694 */ 695 @Override 696 public void onAccessPointsChanged() { 697 Log.d(TAG, "onAccessPointsChanged (WifiTracker) callback initiated"); 698 updateAccessPointsDelayed(); 699 } 700 701 /** 702 * Updates access points from {@link WifiManager#getScanResults()}. Adds a delay to have 703 * progress bar displayed before starting to modify APs. 704 */ 705 private void updateAccessPointsDelayed() { 706 // Safeguard from some delayed event handling 707 if (getActivity() != null && !mIsRestricted && mWifiManager.isWifiEnabled()) { 708 setProgressBarVisible(true); 709 getView().postDelayed(mUpdateAccessPointsRunnable, 300 /* delay milliseconds */); 710 } 711 } 712 713 /** Called when the state of Wifi has changed. */ 714 @Override 715 public void onWifiStateChanged(int state) { 716 if (mIsRestricted) { 717 return; 718 } 719 720 final int wifiState = mWifiManager.getWifiState(); 721 switch (wifiState) { 722 case WifiManager.WIFI_STATE_ENABLED: 723 conditionallyForceUpdateAPs(); 724 break; 725 726 case WifiManager.WIFI_STATE_ENABLING: 727 removeConnectedAccessPointPreference(); 728 mAccessPointsPreferenceCategory.removeAll(); 729 addMessagePreference(R.string.wifi_starting); 730 setProgressBarVisible(true); 731 break; 732 733 case WifiManager.WIFI_STATE_DISABLING: 734 removeConnectedAccessPointPreference(); 735 mAccessPointsPreferenceCategory.removeAll(); 736 addMessagePreference(R.string.wifi_stopping); 737 break; 738 739 case WifiManager.WIFI_STATE_DISABLED: 740 setOffMessage(); 741 setAdditionalSettingsSummaries(); 742 setProgressBarVisible(false); 743 break; 744 } 745 } 746 747 /** 748 * Called when the connection state of wifi has changed. 749 */ 750 @Override 751 public void onConnectedChanged() { 752 changeNextButtonState(mWifiTracker.isConnected()); 753 } 754 755 /** Helper method to return whether an AccessPoint is disabled due to a wrong password */ 756 private static boolean isDisabledByWrongPassword(AccessPoint accessPoint) { 757 WifiConfiguration config = accessPoint.getConfig(); 758 if (config == null) { 759 return false; 760 } 761 WifiConfiguration.NetworkSelectionStatus networkStatus = 762 config.getNetworkSelectionStatus(); 763 if (networkStatus == null || networkStatus.isNetworkEnabled()) { 764 return false; 765 } 766 int reason = networkStatus.getNetworkSelectionDisableReason(); 767 return WifiConfiguration.NetworkSelectionStatus.DISABLED_BY_WRONG_PASSWORD == reason; 768 } 769 770 private void updateAccessPointPreferences() { 771 // in case state has changed 772 if (!mWifiManager.isWifiEnabled()) { 773 return; 774 } 775 // AccessPoints are sorted by the WifiTracker 776 final List<AccessPoint> accessPoints = mWifiTracker.getAccessPoints(); 777 if (DEBUG) { 778 Log.d(TAG, "updateAccessPoints called for: " + accessPoints); 779 } 780 781 boolean hasAvailableAccessPoints = false; 782 mAccessPointsPreferenceCategory.removePreference(mStatusMessagePreference); 783 cacheRemoveAllPrefs(mAccessPointsPreferenceCategory); 784 785 int index = 786 configureConnectedAccessPointPreferenceCategory(accessPoints) ? 1 : 0; 787 int numAccessPoints = accessPoints.size(); 788 for (; index < numAccessPoints; index++) { 789 AccessPoint accessPoint = accessPoints.get(index); 790 // Ignore access points that are out of range. 791 if (accessPoint.isReachable()) { 792 String key = AccessPointPreference.generatePreferenceKey(accessPoint); 793 hasAvailableAccessPoints = true; 794 LongPressAccessPointPreference pref = 795 (LongPressAccessPointPreference) getCachedPreference(key); 796 if (pref != null) { 797 pref.setOrder(index); 798 continue; 799 } 800 LongPressAccessPointPreference preference = 801 createLongPressActionPointPreference(accessPoint); 802 preference.setKey(key); 803 preference.setOrder(index); 804 if (mOpenSsid != null && mOpenSsid.equals(accessPoint.getSsidStr()) 805 && accessPoint.getSecurity() != AccessPoint.SECURITY_NONE) { 806 if (!accessPoint.isSaved() || isDisabledByWrongPassword(accessPoint)) { 807 onPreferenceTreeClick(preference); 808 mOpenSsid = null; 809 } 810 } 811 mAccessPointsPreferenceCategory.addPreference(preference); 812 accessPoint.setListener(WifiSettings.this); 813 preference.refresh(); 814 } 815 } 816 removeCachedPrefs(mAccessPointsPreferenceCategory); 817 mAddPreference.setOrder(index); 818 mAccessPointsPreferenceCategory.addPreference(mAddPreference); 819 setAdditionalSettingsSummaries(); 820 821 if (!hasAvailableAccessPoints) { 822 setProgressBarVisible(true); 823 Preference pref = new Preference(getPrefContext()); 824 pref.setSelectable(false); 825 pref.setSummary(R.string.wifi_empty_list_wifi_on); 826 pref.setOrder(index++); 827 pref.setKey(PREF_KEY_EMPTY_WIFI_LIST); 828 mAccessPointsPreferenceCategory.addPreference(pref); 829 } else { 830 // Continuing showing progress bar for an additional delay to overlap with animation 831 getView().postDelayed(mHideProgressBarRunnable, 1700 /* delay millis */); 832 } 833 } 834 835 @NonNull 836 private LongPressAccessPointPreference createLongPressActionPointPreference( 837 AccessPoint accessPoint) { 838 return new LongPressAccessPointPreference(accessPoint, getPrefContext(), mUserBadgeCache, 839 false, R.drawable.ic_wifi_signal_0, this); 840 } 841 842 /** 843 * Configure the ConnectedAccessPointPreferenceCategory and return true if the Category was 844 * shown. 845 */ 846 private boolean configureConnectedAccessPointPreferenceCategory( 847 List<AccessPoint> accessPoints) { 848 if (accessPoints.size() == 0) { 849 removeConnectedAccessPointPreference(); 850 return false; 851 } 852 853 AccessPoint connectedAp = accessPoints.get(0); 854 if (!connectedAp.isActive()) { 855 removeConnectedAccessPointPreference(); 856 return false; 857 } 858 859 // Is the preference category empty? 860 if (mConnectedAccessPointPreferenceCategory.getPreferenceCount() == 0) { 861 addConnectedAccessPointPreference(connectedAp); 862 return true; 863 } 864 865 // Is the previous currently connected SSID different from the new one? 866 AccessPointPreference preference = (AccessPointPreference) 867 (mConnectedAccessPointPreferenceCategory.getPreference(0)); 868 // The AccessPoints need to be the same reference to ensure that updates are reflected 869 // in the UI. 870 if (preference.getAccessPoint() != connectedAp) { 871 removeConnectedAccessPointPreference(); 872 addConnectedAccessPointPreference(connectedAp); 873 return true; 874 } 875 876 // Else same AP is connected, simply refresh the connected access point preference 877 // (first and only access point in this category). 878 ((LongPressAccessPointPreference) mConnectedAccessPointPreferenceCategory.getPreference(0)) 879 .refresh(); 880 return true; 881 } 882 883 /** 884 * Creates a Preference for the given {@link AccessPoint} and adds it to the 885 * {@link #mConnectedAccessPointPreferenceCategory}. 886 */ 887 private void addConnectedAccessPointPreference(AccessPoint connectedAp) { 888 final LongPressAccessPointPreference pref = getOrCreatePreference(connectedAp); 889 890 // Save the state of the current access point in the bundle so that we can restore it 891 // in the Wifi Network Details Fragment 892 pref.getAccessPoint().saveWifiState(pref.getExtras()); 893 894 // Launch details page on click. 895 pref.setOnPreferenceClickListener(preference -> { 896 SettingsActivity activity = (SettingsActivity) WifiSettings.this.getActivity(); 897 activity.startPreferencePanel(this, 898 WifiNetworkDetailsFragment.class.getName(), pref.getExtras(), 899 R.string.wifi_details_title, null, null, 0); 900 return true; 901 }); 902 pref.refresh(); 903 904 mConnectedAccessPointPreferenceCategory.addPreference(pref); 905 mConnectedAccessPointPreferenceCategory.setVisible(true); 906 if (mClickedConnect) { 907 mClickedConnect = false; 908 scrollToPreference(mConnectedAccessPointPreferenceCategory); 909 } 910 } 911 912 private LongPressAccessPointPreference getOrCreatePreference(AccessPoint ap) { 913 LongPressAccessPointPreference pref = (LongPressAccessPointPreference) 914 getCachedPreference(AccessPointPreference.generatePreferenceKey(ap)); 915 if (pref == null) { 916 pref = createLongPressActionPointPreference(ap); 917 } 918 return pref; 919 } 920 921 /** Removes all preferences and hide the {@link #mConnectedAccessPointPreferenceCategory}. */ 922 private void removeConnectedAccessPointPreference() { 923 mConnectedAccessPointPreferenceCategory.removeAll(); 924 mConnectedAccessPointPreferenceCategory.setVisible(false); 925 } 926 927 private void setAdditionalSettingsSummaries() { 928 mAdditionalSettingsPreferenceCategory.addPreference(mConfigureWifiSettingsPreference); 929 final int defaultWakeupAvailable = getResources().getInteger( 930 com.android.internal.R.integer.config_wifi_wakeup_available); 931 boolean wifiWakeupAvailable = Settings.Global.getInt( 932 getContentResolver(), Settings.Global.WIFI_WAKEUP_AVAILABLE, defaultWakeupAvailable) 933 == 1; 934 if (wifiWakeupAvailable) { 935 mConfigureWifiSettingsPreference.setSummary(getString( 936 isWifiWakeupEnabled() 937 ? R.string.wifi_configure_settings_preference_summary_wakeup_on 938 : R.string.wifi_configure_settings_preference_summary_wakeup_off)); 939 } 940 int numSavedNetworks = mWifiTracker.getNumSavedNetworks(); 941 if (numSavedNetworks > 0) { 942 mAdditionalSettingsPreferenceCategory.addPreference(mSavedNetworksPreference); 943 mSavedNetworksPreference.setSummary( 944 getResources().getQuantityString(R.plurals.wifi_saved_access_points_summary, 945 numSavedNetworks, numSavedNetworks)); 946 } else { 947 mAdditionalSettingsPreferenceCategory.removePreference(mSavedNetworksPreference); 948 } 949 } 950 951 private boolean isWifiWakeupEnabled() { 952 PowerManager powerManager = (PowerManager) getSystemService(Context.POWER_SERVICE); 953 ContentResolver contentResolver = getContentResolver(); 954 return Settings.Global.getInt(contentResolver, 955 Settings.Global.WIFI_WAKEUP_ENABLED, 0) == 1 956 && Settings.Global.getInt(contentResolver, 957 Settings.Global.WIFI_SCAN_ALWAYS_AVAILABLE, 0) == 1 958 && Settings.Global.getInt(contentResolver, 959 Settings.Global.AIRPLANE_MODE_ON, 0) == 0 960 && Settings.Global.getInt(contentResolver, 961 Settings.Global.NETWORK_RECOMMENDATIONS_ENABLED, 0) == 1 962 && !powerManager.isPowerSaveMode(); 963 } 964 965 private void setOffMessage() { 966 final CharSequence title = getText(R.string.wifi_empty_list_wifi_off); 967 // Don't use WifiManager.isScanAlwaysAvailable() to check the Wi-Fi scanning mode. Instead, 968 // read the system settings directly. Because when the device is in Airplane mode, even if 969 // Wi-Fi scanning mode is on, WifiManager.isScanAlwaysAvailable() still returns "off". 970 final boolean wifiScanningMode = Settings.Global.getInt(getActivity().getContentResolver(), 971 Settings.Global.WIFI_SCAN_ALWAYS_AVAILABLE, 0) == 1; 972 final CharSequence description = wifiScanningMode ? getText(R.string.wifi_scan_notify_text) 973 : getText(R.string.wifi_scan_notify_text_scanning_off); 974 final LinkifyUtils.OnClickListener clickListener = new LinkifyUtils.OnClickListener() { 975 @Override 976 public void onClick() { 977 final SettingsActivity activity = (SettingsActivity) getActivity(); 978 activity.startPreferencePanel(WifiSettings.this, 979 ScanningSettings.class.getName(), 980 null, R.string.location_scanning_screen_title, null, null, 0); 981 } 982 }; 983 mStatusMessagePreference.setText(title, description, clickListener); 984 removeConnectedAccessPointPreference(); 985 mAccessPointsPreferenceCategory.removeAll(); 986 mAccessPointsPreferenceCategory.addPreference(mStatusMessagePreference); 987 } 988 989 private void addMessagePreference(int messageId) { 990 mStatusMessagePreference.setTitle(messageId); 991 removeConnectedAccessPointPreference(); 992 mAccessPointsPreferenceCategory.removeAll(); 993 mAccessPointsPreferenceCategory.addPreference(mStatusMessagePreference); 994 } 995 996 protected void setProgressBarVisible(boolean visible) { 997 if (mProgressHeader != null) { 998 mProgressHeader.setVisibility(visible ? View.VISIBLE : View.GONE); 999 } 1000 } 1001 1002 /** 1003 * Renames/replaces "Next" button when appropriate. "Next" button usually exists in 1004 * Wifi setup screens, not in usual wifi settings screen. 1005 * 1006 * @param enabled true when the device is connected to a wifi network. 1007 */ 1008 private void changeNextButtonState(boolean enabled) { 1009 if (mEnableNextOnConnection && hasNextButton()) { 1010 getNextButton().setEnabled(enabled); 1011 } 1012 } 1013 1014 @Override 1015 public void onForget(WifiDialog dialog) { 1016 forget(); 1017 } 1018 1019 @Override 1020 public void onSubmit(WifiDialog dialog) { 1021 if (mDialog != null) { 1022 submit(mDialog.getController()); 1023 } 1024 } 1025 1026 /* package */ void submit(WifiConfigController configController) { 1027 1028 final WifiConfiguration config = configController.getConfig(); 1029 1030 if (config == null) { 1031 if (mSelectedAccessPoint != null 1032 && mSelectedAccessPoint.isSaved()) { 1033 connect(mSelectedAccessPoint.getConfig(), true /* isSavedNetwork */); 1034 } 1035 } else if (configController.getMode() == WifiConfigUiBase.MODE_MODIFY) { 1036 mWifiManager.save(config, mSaveListener); 1037 } else { 1038 mWifiManager.save(config, mSaveListener); 1039 if (mSelectedAccessPoint != null) { // Not an "Add network" 1040 connect(config, false /* isSavedNetwork */); 1041 } 1042 } 1043 1044 mWifiTracker.resumeScanning(); 1045 } 1046 1047 /* package */ void forget() { 1048 mMetricsFeatureProvider.action(getActivity(), MetricsEvent.ACTION_WIFI_FORGET); 1049 if (!mSelectedAccessPoint.isSaved()) { 1050 if (mSelectedAccessPoint.getNetworkInfo() != null && 1051 mSelectedAccessPoint.getNetworkInfo().getState() != State.DISCONNECTED) { 1052 // Network is active but has no network ID - must be ephemeral. 1053 mWifiManager.disableEphemeralNetwork( 1054 AccessPoint.convertToQuotedString(mSelectedAccessPoint.getSsidStr())); 1055 } else { 1056 // Should not happen, but a monkey seems to trigger it 1057 Log.e(TAG, "Failed to forget invalid network " + mSelectedAccessPoint.getConfig()); 1058 return; 1059 } 1060 } else if (mSelectedAccessPoint.getConfig().isPasspoint()) { 1061 mWifiManager.removePasspointConfiguration(mSelectedAccessPoint.getConfig().FQDN); 1062 } else { 1063 mWifiManager.forget(mSelectedAccessPoint.getConfig().networkId, mForgetListener); 1064 } 1065 1066 mWifiTracker.resumeScanning(); 1067 1068 // We need to rename/replace "Next" button in wifi setup context. 1069 changeNextButtonState(false); 1070 } 1071 1072 protected void connect(final WifiConfiguration config, boolean isSavedNetwork) { 1073 // Log subtype if configuration is a saved network. 1074 mMetricsFeatureProvider.action(getActivity(), MetricsEvent.ACTION_WIFI_CONNECT, 1075 isSavedNetwork); 1076 mWifiManager.connect(config, mConnectListener); 1077 mClickedConnect = true; 1078 } 1079 1080 protected void connect(final int networkId, boolean isSavedNetwork) { 1081 // Log subtype if configuration is a saved network. 1082 mMetricsFeatureProvider.action(getActivity(), MetricsEvent.ACTION_WIFI_CONNECT, 1083 isSavedNetwork); 1084 mWifiManager.connect(networkId, mConnectListener); 1085 } 1086 1087 /** 1088 * Called when "add network" button is pressed. 1089 */ 1090 /* package */ void onAddNetworkPressed() { 1091 mMetricsFeatureProvider.action(getActivity(), MetricsEvent.ACTION_WIFI_ADD_NETWORK); 1092 // No exact access point is selected. 1093 mSelectedAccessPoint = null; 1094 showDialog(null, WifiConfigUiBase.MODE_CONNECT); 1095 } 1096 1097 @Override 1098 protected int getHelpResource() { 1099 return R.string.help_url_wifi; 1100 } 1101 1102 @Override 1103 public void onAccessPointChanged(final AccessPoint accessPoint) { 1104 Log.d(TAG, "onAccessPointChanged (singular) callback initiated"); 1105 View view = getView(); 1106 if (view != null) { 1107 view.post(new Runnable() { 1108 @Override 1109 public void run() { 1110 Object tag = accessPoint.getTag(); 1111 if (tag != null) { 1112 ((LongPressAccessPointPreference) tag).refresh(); 1113 } 1114 } 1115 }); 1116 } 1117 } 1118 1119 @Override 1120 public void onLevelChanged(AccessPoint accessPoint) { 1121 ((LongPressAccessPointPreference) accessPoint.getTag()).onLevelChanged(); 1122 } 1123 1124 public static final SearchIndexProvider SEARCH_INDEX_DATA_PROVIDER = 1125 new BaseSearchIndexProvider() { 1126 @Override 1127 public List<SearchIndexableRaw> getRawDataToIndex(Context context, boolean enabled) { 1128 final List<SearchIndexableRaw> result = new ArrayList<>(); 1129 final Resources res = context.getResources(); 1130 1131 // Add fragment title 1132 SearchIndexableRaw data = new SearchIndexableRaw(context); 1133 data.title = res.getString(R.string.wifi_settings); 1134 data.screenTitle = res.getString(R.string.wifi_settings); 1135 data.keywords = res.getString(R.string.keywords_wifi); 1136 data.key = DATA_KEY_REFERENCE; 1137 result.add(data); 1138 1139 // Add saved Wi-Fi access points 1140 final List<AccessPoint> accessPoints = 1141 WifiTracker.getCurrentAccessPoints(context, true, false, false); 1142 for (AccessPoint accessPoint : accessPoints) { 1143 data = new SearchIndexableRaw(context); 1144 data.title = accessPoint.getSsidStr(); 1145 data.screenTitle = res.getString(R.string.wifi_settings); 1146 data.enabled = enabled; 1147 result.add(data); 1148 } 1149 1150 return result; 1151 } 1152 }; 1153 1154 /** 1155 * Returns true if the config is not editable through Settings. 1156 * @param context Context of caller 1157 * @param config The WiFi config. 1158 * @return true if the config is not editable through Settings. 1159 */ 1160 public static boolean isEditabilityLockedDown(Context context, WifiConfiguration config) { 1161 return !canModifyNetwork(context, config); 1162 } 1163 1164 /** 1165 * This method is a stripped version of WifiConfigStore.canModifyNetwork. 1166 * TODO: refactor to have only one method. 1167 * @param context Context of caller 1168 * @param config The WiFi config. 1169 * @return true if Settings can modify the config. 1170 */ 1171 static boolean canModifyNetwork(Context context, WifiConfiguration config) { 1172 if (config == null) { 1173 return true; 1174 } 1175 1176 final DevicePolicyManager dpm = (DevicePolicyManager) context.getSystemService( 1177 Context.DEVICE_POLICY_SERVICE); 1178 1179 // Check if device has DPM capability. If it has and dpm is still null, then we 1180 // treat this case with suspicion and bail out. 1181 final PackageManager pm = context.getPackageManager(); 1182 if (pm.hasSystemFeature(PackageManager.FEATURE_DEVICE_ADMIN) && dpm == null) { 1183 return false; 1184 } 1185 1186 boolean isConfigEligibleForLockdown = false; 1187 if (dpm != null) { 1188 final ComponentName deviceOwner = dpm.getDeviceOwnerComponentOnAnyUser(); 1189 if (deviceOwner != null) { 1190 final int deviceOwnerUserId = dpm.getDeviceOwnerUserId(); 1191 try { 1192 final int deviceOwnerUid = pm.getPackageUidAsUser(deviceOwner.getPackageName(), 1193 deviceOwnerUserId); 1194 isConfigEligibleForLockdown = deviceOwnerUid == config.creatorUid; 1195 } catch (NameNotFoundException e) { 1196 // don't care 1197 } 1198 } 1199 } 1200 if (!isConfigEligibleForLockdown) { 1201 return true; 1202 } 1203 1204 final ContentResolver resolver = context.getContentResolver(); 1205 final boolean isLockdownFeatureEnabled = Settings.Global.getInt(resolver, 1206 Settings.Global.WIFI_DEVICE_OWNER_CONFIGS_LOCKDOWN, 0) != 0; 1207 return !isLockdownFeatureEnabled; 1208 } 1209 1210 private static class SummaryProvider 1211 implements SummaryLoader.SummaryProvider, OnSummaryChangeListener { 1212 1213 private final Context mContext; 1214 private final SummaryLoader mSummaryLoader; 1215 1216 @VisibleForTesting 1217 WifiSummaryUpdater mSummaryHelper; 1218 1219 public SummaryProvider(Context context, SummaryLoader summaryLoader) { 1220 mContext = context; 1221 mSummaryLoader = summaryLoader; 1222 mSummaryHelper = new WifiSummaryUpdater(mContext, this); 1223 } 1224 1225 1226 @Override 1227 public void setListening(boolean listening) { 1228 mSummaryHelper.register(listening); 1229 } 1230 1231 @Override 1232 public void onSummaryChanged(String summary) { 1233 mSummaryLoader.setSummary(this, summary); 1234 } 1235 } 1236 1237 public static final SummaryLoader.SummaryProviderFactory SUMMARY_PROVIDER_FACTORY 1238 = new SummaryLoader.SummaryProviderFactory() { 1239 @Override 1240 public SummaryLoader.SummaryProvider createSummaryProvider(Activity activity, 1241 SummaryLoader summaryLoader) { 1242 return new SummaryProvider(activity, summaryLoader); 1243 } 1244 }; 1245} 1246