2 * Copyright (C) 2010 The Android Open Source Project
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 package com.android.settings.wifi;
19 import static android.os.UserManager.DISALLOW_CONFIG_WIFI;
21 import android.annotation.NonNull;
22 import android.app.Activity;
23 import android.app.Dialog;
24 import android.app.admin.DevicePolicyManager;
25 import android.content.ComponentName;
26 import android.content.ContentResolver;
27 import android.content.Context;
28 import android.content.Intent;
29 import android.content.pm.PackageManager;
30 import android.content.pm.PackageManager.NameNotFoundException;
31 import android.content.res.Resources;
32 import android.net.ConnectivityManager;
33 import android.net.NetworkInfo;
34 import android.net.NetworkInfo.State;
35 import android.net.wifi.WifiConfiguration;
36 import android.net.wifi.WifiManager;
37 import android.net.wifi.WpsInfo;
38 import android.nfc.NfcAdapter;
39 import android.os.Bundle;
40 import android.os.HandlerThread;
41 import android.os.Process;
42 import android.provider.Settings;
43 import android.support.annotation.VisibleForTesting;
44 import android.support.v7.preference.Preference;
45 import android.support.v7.preference.PreferenceCategory;
46 import android.util.Log;
47 import android.view.ContextMenu;
48 import android.view.ContextMenu.ContextMenuInfo;
49 import android.view.Menu;
50 import android.view.MenuItem;
51 import android.view.View;
52 import android.widget.ProgressBar;
53 import android.widget.Toast;
55 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
56 import com.android.settings.LinkifyUtils;
57 import com.android.settings.R;
58 import com.android.settings.RestrictedSettingsFragment;
59 import com.android.settings.SettingsActivity;
60 import com.android.settings.dashboard.SummaryLoader;
61 import com.android.settings.location.ScanningSettings;
62 import com.android.settings.search.BaseSearchIndexProvider;
63 import com.android.settings.search.Indexable;
64 import com.android.settings.search.SearchIndexableRaw;
65 import com.android.settings.widget.SummaryUpdater.OnSummaryChangeListener;
66 import com.android.settings.widget.SwitchBarController;
67 import com.android.settings.wifi.details.WifiNetworkDetailsFragment;
68 import com.android.settingslib.RestrictedLockUtils;
69 import com.android.settingslib.wifi.AccessPoint;
70 import com.android.settingslib.wifi.AccessPoint.AccessPointListener;
71 import com.android.settingslib.wifi.AccessPointPreference;
72 import com.android.settingslib.wifi.WifiTracker;
73 import com.android.settingslib.wifi.WifiTrackerFactory;
75 import java.util.ArrayList;
76 import java.util.List;
79 * Two types of UI are provided here.
81 * The first is for "usual Settings", appearing as any other Setup fragment.
83 * The second is for Setup Wizard, with a simplified interface that hides the action bar
86 public class WifiSettings extends RestrictedSettingsFragment
87 implements Indexable, WifiTracker.WifiListener, AccessPointListener,
88 WifiDialog.WifiDialogListener {
90 private static final String TAG = "WifiSettings";
91 private static final boolean DEBUG = Log.isLoggable(TAG, Log.DEBUG);
93 /* package */ static final int MENU_ID_WPS_PBC = Menu.FIRST;
94 private static final int MENU_ID_WPS_PIN = Menu.FIRST + 1;
95 private static final int MENU_ID_CONNECT = Menu.FIRST + 6;
96 private static final int MENU_ID_FORGET = Menu.FIRST + 7;
97 private static final int MENU_ID_MODIFY = Menu.FIRST + 8;
98 private static final int MENU_ID_WRITE_NFC = Menu.FIRST + 9;
100 public static final int WIFI_DIALOG_ID = 1;
101 /* package */ static final int WPS_PBC_DIALOG_ID = 2;
102 private static final int WPS_PIN_DIALOG_ID = 3;
103 private static final int WRITE_NFC_DIALOG_ID = 6;
105 // Instance state keys
106 private static final String SAVE_DIALOG_MODE = "dialog_mode";
107 private static final String SAVE_DIALOG_ACCESS_POINT_STATE = "wifi_ap_state";
108 private static final String SAVED_WIFI_NFC_DIALOG_STATE = "wifi_nfc_dlg_state";
110 private static final String PREF_KEY_EMPTY_WIFI_LIST = "wifi_empty_list";
111 private static final String PREF_KEY_CONNECTED_ACCESS_POINTS = "connected_access_point";
112 private static final String PREF_KEY_ACCESS_POINTS = "access_points";
113 private static final String PREF_KEY_ADDITIONAL_SETTINGS = "additional_settings";
114 private static final String PREF_KEY_CONFIGURE_WIFI_SETTINGS = "configure_settings";
115 private static final String PREF_KEY_SAVED_NETWORKS = "saved_networks";
117 private final Runnable mUpdateAccessPointsRunnable = () -> {
118 updateAccessPointPreferences();
120 private final Runnable mHideProgressBarRunnable = () -> {
121 setProgressBarVisible(false);
124 protected WifiManager mWifiManager;
125 private WifiManager.ActionListener mConnectListener;
126 private WifiManager.ActionListener mSaveListener;
127 private WifiManager.ActionListener mForgetListener;
130 * The state of {@link #isUiRestricted()} at {@link #onCreate(Bundle)}}. This is neccesary to
131 * ensure that behavior is consistent if {@link #isUiRestricted()} changes. It could be changed
132 * by the Test DPC tool in AFW mode.
134 private boolean mIsRestricted;
136 private WifiEnabler mWifiEnabler;
137 // An access point being editted is stored here.
138 private AccessPoint mSelectedAccessPoint;
140 private WifiDialog mDialog;
141 private WriteWifiConfigToNfcDialog mWifiToNfcDialog;
143 private ProgressBar mProgressHeader;
145 // this boolean extra specifies whether to disable the Next button when not connected. Used by
146 // account creation outside of setup wizard.
147 private static final String EXTRA_ENABLE_NEXT_ON_CONNECT = "wifi_enable_next_on_connect";
148 // This string extra specifies a network to open the connect dialog on, so the user can enter
149 // network credentials. This is used by quick settings for secured networks, among other
151 public static final String EXTRA_START_CONNECT_SSID = "wifi_start_connect_ssid";
153 // should Next button only be enabled when we have a connection?
154 private boolean mEnableNextOnConnection;
156 // Save the dialog details
157 private int mDialogMode;
158 private AccessPoint mDlgAccessPoint;
159 private Bundle mAccessPointSavedState;
160 private Bundle mWifiNfcDialogSavedState;
162 private WifiTracker mWifiTracker;
163 private String mOpenSsid;
165 private HandlerThread mBgThread;
167 private AccessPointPreference.UserBadgeCache mUserBadgeCache;
169 private PreferenceCategory mConnectedAccessPointPreferenceCategory;
170 private PreferenceCategory mAccessPointsPreferenceCategory;
171 private PreferenceCategory mAdditionalSettingsPreferenceCategory;
172 private Preference mAddPreference;
173 private Preference mConfigureWifiSettingsPreference;
174 private Preference mSavedNetworksPreference;
175 private LinkablePreference mStatusMessagePreference;
178 private static final String DATA_KEY_REFERENCE = "main_toggle_wifi";
180 /* End of "used in Wifi Setup context" */
182 public WifiSettings() {
183 super(DISALLOW_CONFIG_WIFI);
187 public void onViewCreated(View view, Bundle savedInstanceState) {
188 super.onViewCreated(view, savedInstanceState);
189 final Activity activity = getActivity();
190 if (activity != null) {
191 mProgressHeader = (ProgressBar) setPinnedHeaderView(R.layout.wifi_progress_header);
192 setProgressBarVisible(false);
197 public void onCreate(Bundle icicle) {
198 super.onCreate(icicle);
200 // TODO(b/37429702): Add animations and preference comparator back after initial screen is
202 setAnimationAllowed(false);
204 addPreferencesFromResource(R.xml.wifi_settings);
206 mConnectedAccessPointPreferenceCategory =
207 (PreferenceCategory) findPreference(PREF_KEY_CONNECTED_ACCESS_POINTS);
208 mAccessPointsPreferenceCategory =
209 (PreferenceCategory) findPreference(PREF_KEY_ACCESS_POINTS);
210 mAdditionalSettingsPreferenceCategory =
211 (PreferenceCategory) findPreference(PREF_KEY_ADDITIONAL_SETTINGS);
212 mConfigureWifiSettingsPreference = findPreference(PREF_KEY_CONFIGURE_WIFI_SETTINGS);
213 mSavedNetworksPreference = findPreference(PREF_KEY_SAVED_NETWORKS);
215 Context prefContext = getPrefContext();
216 mAddPreference = new Preference(prefContext);
217 mAddPreference.setIcon(R.drawable.ic_menu_add_inset);
218 mAddPreference.setTitle(R.string.wifi_add_network);
219 mStatusMessagePreference = new LinkablePreference(prefContext);
221 mUserBadgeCache = new AccessPointPreference.UserBadgeCache(getPackageManager());
223 mIsRestricted = isUiRestricted();
225 mBgThread = new HandlerThread(TAG, Process.THREAD_PRIORITY_BACKGROUND);
230 public void onDestroy() {
236 public void onActivityCreated(Bundle savedInstanceState) {
237 super.onActivityCreated(savedInstanceState);
239 mWifiTracker = WifiTrackerFactory.create(
240 getActivity(), this, mBgThread.getLooper(), true, true, false);
241 mWifiManager = mWifiTracker.getManager();
243 mConnectListener = new WifiManager.ActionListener() {
245 public void onSuccess() {
248 public void onFailure(int reason) {
249 Activity activity = getActivity();
250 if (activity != null) {
251 Toast.makeText(activity,
252 R.string.wifi_failed_connect_message,
253 Toast.LENGTH_SHORT).show();
258 mSaveListener = new WifiManager.ActionListener() {
260 public void onSuccess() {
263 public void onFailure(int reason) {
264 Activity activity = getActivity();
265 if (activity != null) {
266 Toast.makeText(activity,
267 R.string.wifi_failed_save_message,
268 Toast.LENGTH_SHORT).show();
273 mForgetListener = new WifiManager.ActionListener() {
275 public void onSuccess() {
278 public void onFailure(int reason) {
279 Activity activity = getActivity();
280 if (activity != null) {
281 Toast.makeText(activity,
282 R.string.wifi_failed_forget_message,
283 Toast.LENGTH_SHORT).show();
288 if (savedInstanceState != null) {
289 mDialogMode = savedInstanceState.getInt(SAVE_DIALOG_MODE);
290 if (savedInstanceState.containsKey(SAVE_DIALOG_ACCESS_POINT_STATE)) {
291 mAccessPointSavedState =
292 savedInstanceState.getBundle(SAVE_DIALOG_ACCESS_POINT_STATE);
295 if (savedInstanceState.containsKey(SAVED_WIFI_NFC_DIALOG_STATE)) {
296 mWifiNfcDialogSavedState =
297 savedInstanceState.getBundle(SAVED_WIFI_NFC_DIALOG_STATE);
301 // if we're supposed to enable/disable the Next button based on our current connection
302 // state, start it off in the right state
303 Intent intent = getActivity().getIntent();
304 mEnableNextOnConnection = intent.getBooleanExtra(EXTRA_ENABLE_NEXT_ON_CONNECT, false);
306 if (mEnableNextOnConnection) {
307 if (hasNextButton()) {
308 final ConnectivityManager connectivity = (ConnectivityManager)
309 getActivity().getSystemService(Context.CONNECTIVITY_SERVICE);
310 if (connectivity != null) {
311 NetworkInfo info = connectivity.getNetworkInfo(
312 ConnectivityManager.TYPE_WIFI);
313 changeNextButtonState(info.isConnected());
318 registerForContextMenu(getListView());
319 setHasOptionsMenu(true);
321 if (intent.hasExtra(EXTRA_START_CONNECT_SSID)) {
322 mOpenSsid = intent.getStringExtra(EXTRA_START_CONNECT_SSID);
327 public void onDestroyView() {
328 super.onDestroyView();
330 if (mWifiEnabler != null) {
331 mWifiEnabler.teardownSwitchController();
336 public void onStart() {
339 // On/off switch is hidden for Setup Wizard (returns null)
340 mWifiEnabler = createWifiEnabler();
342 mWifiTracker.startTracking();
345 if (!isUiRestrictedByOnlyAdmin()) {
346 getEmptyTextView().setText(R.string.wifi_empty_list_user_restricted);
348 getPreferenceScreen().removeAll();
352 onWifiStateChanged(mWifiManager.getWifiState());
356 * Only update the AP list if there are not any APs currently shown.
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}.
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
368 Log.d(TAG, "Did not force update APs due to existing APs displayed");
369 getView().removeCallbacks(mUpdateAccessPointsRunnable);
372 setProgressBarVisible(true);
373 mWifiTracker.forceUpdate();
375 Log.d(TAG, "WifiSettings force update APs: " + mWifiTracker.getAccessPoints());
377 getView().removeCallbacks(mUpdateAccessPointsRunnable);
378 updateAccessPointPreferences();
382 * @return new WifiEnabler or null (as overridden by WifiSettingsForSetupWizard)
384 private WifiEnabler createWifiEnabler() {
385 final SettingsActivity activity = (SettingsActivity) getActivity();
386 return new WifiEnabler(activity, new SwitchBarController(activity.getSwitchBar()),
387 mMetricsFeatureProvider);
391 public void onResume() {
392 final Activity activity = getActivity();
394 if (mWifiEnabler != null) {
395 mWifiEnabler.resume(activity);
400 public void onPause() {
402 if (mWifiEnabler != null) {
403 mWifiEnabler.pause();
408 public void onStop() {
409 mWifiTracker.stopTracking();
410 getView().removeCallbacks(mUpdateAccessPointsRunnable);
411 getView().removeCallbacks(mHideProgressBarRunnable);
416 public int getMetricsCategory() {
417 return MetricsEvent.WIFI;
421 public void onSaveInstanceState(Bundle outState) {
422 super.onSaveInstanceState(outState);
424 // If the dialog is showing, save its state.
425 if (mDialog != null && mDialog.isShowing()) {
426 outState.putInt(SAVE_DIALOG_MODE, mDialogMode);
427 if (mDlgAccessPoint != null) {
428 mAccessPointSavedState = new Bundle();
429 mDlgAccessPoint.saveWifiState(mAccessPointSavedState);
430 outState.putBundle(SAVE_DIALOG_ACCESS_POINT_STATE, mAccessPointSavedState);
434 if (mWifiToNfcDialog != null && mWifiToNfcDialog.isShowing()) {
435 Bundle savedState = new Bundle();
436 mWifiToNfcDialog.saveState(savedState);
437 outState.putBundle(SAVED_WIFI_NFC_DIALOG_STATE, savedState);
442 public boolean onOptionsItemSelected(MenuItem item) {
443 // If the user is not allowed to configure wifi, do not handle menu selections.
448 switch (item.getItemId()) {
449 case MENU_ID_WPS_PBC:
450 showDialog(WPS_PBC_DIALOG_ID);
454 if (getActivity() instanceof SettingsActivity) {
455 ((SettingsActivity) getActivity()).startPreferencePanel(
456 WifiP2pSettings.class.getCanonicalName(),
458 R.string.wifi_p2p_settings_title, null,
461 startFragment(this, WifiP2pSettings.class.getCanonicalName(),
462 R.string.wifi_p2p_settings_title, -1, null);
466 case MENU_ID_WPS_PIN:
467 showDialog(WPS_PIN_DIALOG_ID);
470 return super.onOptionsItemSelected(item);
474 public void onCreateContextMenu(ContextMenu menu, View view, ContextMenuInfo info) {
475 Preference preference = (Preference) view.getTag();
477 if (preference instanceof LongPressAccessPointPreference) {
478 mSelectedAccessPoint =
479 ((LongPressAccessPointPreference) preference).getAccessPoint();
480 menu.setHeaderTitle(mSelectedAccessPoint.getSsid());
481 if (mSelectedAccessPoint.isConnectable()) {
482 menu.add(Menu.NONE, MENU_ID_CONNECT, 0, R.string.wifi_menu_connect);
485 WifiConfiguration config = mSelectedAccessPoint.getConfig();
486 // Some configs are ineditable
487 if (isEditabilityLockedDown(getActivity(), config)) {
491 if (mSelectedAccessPoint.isSaved() || mSelectedAccessPoint.isEphemeral()) {
492 // Allow forgetting a network if either the network is saved or ephemerally
493 // connected. (In the latter case, "forget" blacklists the network so it won't
494 // be used again, ephemerally).
495 menu.add(Menu.NONE, MENU_ID_FORGET, 0, R.string.wifi_menu_forget);
497 if (mSelectedAccessPoint.isSaved()) {
498 menu.add(Menu.NONE, MENU_ID_MODIFY, 0, R.string.wifi_menu_modify);
499 NfcAdapter nfcAdapter = NfcAdapter.getDefaultAdapter(getActivity());
500 if (nfcAdapter != null && nfcAdapter.isEnabled() &&
501 mSelectedAccessPoint.getSecurity() != AccessPoint.SECURITY_NONE) {
502 // Only allow writing of NFC tags for password-protected networks.
503 menu.add(Menu.NONE, MENU_ID_WRITE_NFC, 0, R.string.wifi_menu_write_to_nfc);
510 public boolean onContextItemSelected(MenuItem item) {
511 if (mSelectedAccessPoint == null) {
512 return super.onContextItemSelected(item);
514 switch (item.getItemId()) {
515 case MENU_ID_CONNECT: {
516 boolean isSavedNetwork = mSelectedAccessPoint.isSaved();
517 if (isSavedNetwork) {
518 connect(mSelectedAccessPoint.getConfig(), isSavedNetwork);
519 } else if (mSelectedAccessPoint.getSecurity() == AccessPoint.SECURITY_NONE) {
520 /** Bypass dialog for unsecured networks */
521 mSelectedAccessPoint.generateOpenNetworkConfig();
522 connect(mSelectedAccessPoint.getConfig(), isSavedNetwork);
524 showDialog(mSelectedAccessPoint, WifiConfigUiBase.MODE_CONNECT);
528 case MENU_ID_FORGET: {
532 case MENU_ID_MODIFY: {
533 showDialog(mSelectedAccessPoint, WifiConfigUiBase.MODE_MODIFY);
536 case MENU_ID_WRITE_NFC:
537 showDialog(WRITE_NFC_DIALOG_ID);
541 return super.onContextItemSelected(item);
545 public boolean onPreferenceTreeClick(Preference preference) {
546 // If the preference has a fragment set, open that
547 if (preference.getFragment() != null) {
548 preference.setOnPreferenceClickListener(null);
549 return super.onPreferenceTreeClick(preference);
552 if (preference instanceof LongPressAccessPointPreference) {
553 mSelectedAccessPoint = ((LongPressAccessPointPreference) preference).getAccessPoint();
554 if (mSelectedAccessPoint == null) {
557 if (mSelectedAccessPoint.isActive()) {
558 return super.onPreferenceTreeClick(preference);
561 * Bypass dialog and connect to unsecured networks, or previously connected saved
562 * networks, or Passpoint provided networks.
564 WifiConfiguration config = mSelectedAccessPoint.getConfig();
565 if (mSelectedAccessPoint.getSecurity() == AccessPoint.SECURITY_NONE) {
566 mSelectedAccessPoint.generateOpenNetworkConfig();
567 connect(mSelectedAccessPoint.getConfig(), mSelectedAccessPoint.isSaved());
568 } else if (mSelectedAccessPoint.isSaved() && config != null
569 && config.getNetworkSelectionStatus() != null
570 && config.getNetworkSelectionStatus().getHasEverConnected()) {
571 connect(config, true /* isSavedNetwork */);
572 } else if (mSelectedAccessPoint.isPasspoint()) {
573 // Access point provided by an installed Passpoint provider, connect using
574 // the associated config.
575 connect(config, true /* isSavedNetwork */);
577 showDialog(mSelectedAccessPoint, WifiConfigUiBase.MODE_CONNECT);
579 } else if (preference == mAddPreference) {
580 onAddNetworkPressed();
582 return super.onPreferenceTreeClick(preference);
587 private void showDialog(AccessPoint accessPoint, int dialogMode) {
588 if (accessPoint != null) {
589 WifiConfiguration config = accessPoint.getConfig();
590 if (isEditabilityLockedDown(getActivity(), config) && accessPoint.isActive()) {
591 RestrictedLockUtils.sendShowAdminSupportDetailsIntent(getActivity(),
592 RestrictedLockUtils.getDeviceOwner(getActivity()));
597 if (mDialog != null) {
598 removeDialog(WIFI_DIALOG_ID);
602 // Save the access point and edit mode
603 mDlgAccessPoint = accessPoint;
604 mDialogMode = dialogMode;
606 showDialog(WIFI_DIALOG_ID);
610 public Dialog onCreateDialog(int dialogId) {
613 AccessPoint ap = mDlgAccessPoint; // For manual launch
614 if (ap == null) { // For re-launch from saved state
615 if (mAccessPointSavedState != null) {
616 ap = new AccessPoint(getActivity(), mAccessPointSavedState);
617 // For repeated orientation changes
618 mDlgAccessPoint = ap;
619 // Reset the saved access point data
620 mAccessPointSavedState = null;
623 // If it's null, fine, it's for Add Network
624 mSelectedAccessPoint = ap;
625 mDialog = new WifiDialog(getActivity(), this, ap, mDialogMode,
626 /* no hide submit/connect */ false);
628 case WPS_PBC_DIALOG_ID:
629 return new WpsDialog(getActivity(), WpsInfo.PBC);
630 case WPS_PIN_DIALOG_ID:
631 return new WpsDialog(getActivity(), WpsInfo.DISPLAY);
632 case WRITE_NFC_DIALOG_ID:
633 if (mSelectedAccessPoint != null) {
634 mWifiToNfcDialog = new WriteWifiConfigToNfcDialog(
636 mSelectedAccessPoint.getSecurity(),
637 new WifiManagerWrapper(mWifiManager));
638 } else if (mWifiNfcDialogSavedState != null) {
639 mWifiToNfcDialog = new WriteWifiConfigToNfcDialog(getActivity(),
640 mWifiNfcDialogSavedState, new WifiManagerWrapper(mWifiManager));
643 return mWifiToNfcDialog;
645 return super.onCreateDialog(dialogId);
649 public int getDialogMetricsCategory(int dialogId) {
652 return MetricsEvent.DIALOG_WIFI_AP_EDIT;
653 case WPS_PBC_DIALOG_ID:
654 return MetricsEvent.DIALOG_WIFI_PBC;
655 case WPS_PIN_DIALOG_ID:
656 return MetricsEvent.DIALOG_WIFI_PIN;
657 case WRITE_NFC_DIALOG_ID:
658 return MetricsEvent.DIALOG_WIFI_WRITE_NFC;
665 * Called to indicate the list of AccessPoints has been updated and
666 * getAccessPoints should be called to get the latest information.
669 public void onAccessPointsChanged() {
670 Log.d(TAG, "onAccessPointsChanged (WifiTracker) callback initiated");
671 updateAccessPointsDelayed();
675 * Updates access points from {@link WifiManager#getScanResults()}. Adds a delay to have
676 * progress bar displayed before starting to modify APs.
678 private void updateAccessPointsDelayed() {
679 // Safeguard from some delayed event handling
680 if (getActivity() != null && !mIsRestricted && mWifiManager.isWifiEnabled()) {
681 setProgressBarVisible(true);
682 getView().postDelayed(mUpdateAccessPointsRunnable, 300 /* delay milliseconds */);
686 /** Called when the state of Wifi has changed. */
688 public void onWifiStateChanged(int state) {
693 final int wifiState = mWifiManager.getWifiState();
695 case WifiManager.WIFI_STATE_ENABLED:
696 conditionallyForceUpdateAPs();
699 case WifiManager.WIFI_STATE_ENABLING:
700 removeConnectedAccessPointPreference();
701 mAccessPointsPreferenceCategory.removeAll();
702 addMessagePreference(R.string.wifi_starting);
703 setProgressBarVisible(true);
706 case WifiManager.WIFI_STATE_DISABLING:
707 removeConnectedAccessPointPreference();
708 mAccessPointsPreferenceCategory.removeAll();
709 addMessagePreference(R.string.wifi_stopping);
712 case WifiManager.WIFI_STATE_DISABLED:
714 setAdditionalSettingsSummaries();
715 setProgressBarVisible(false);
721 * Called when the connection state of wifi has changed and isConnected
722 * should be called to get the updated state.
725 public void onConnectedChanged() {
726 updateAccessPointsDelayed();
727 changeNextButtonState(mWifiTracker.isConnected());
730 /** Helper method to return whether an AccessPoint is disabled due to a wrong password */
731 private static boolean isDisabledByWrongPassword(AccessPoint accessPoint) {
732 WifiConfiguration config = accessPoint.getConfig();
733 if (config == null) {
736 WifiConfiguration.NetworkSelectionStatus networkStatus =
737 config.getNetworkSelectionStatus();
738 if (networkStatus == null || networkStatus.isNetworkEnabled()) {
741 int reason = networkStatus.getNetworkSelectionDisableReason();
742 return WifiConfiguration.NetworkSelectionStatus.DISABLED_BY_WRONG_PASSWORD == reason;
745 private void updateAccessPointPreferences() {
746 // in case state has changed
747 if (!mWifiManager.isWifiEnabled()) {
750 // AccessPoints are sorted by the WifiTracker
751 final List<AccessPoint> accessPoints = mWifiTracker.getAccessPoints();
753 Log.d(TAG, "updateAccessPoints called for: " + accessPoints);
756 boolean hasAvailableAccessPoints = false;
757 mAccessPointsPreferenceCategory.removePreference(mStatusMessagePreference);
758 cacheRemoveAllPrefs(mAccessPointsPreferenceCategory);
761 configureConnectedAccessPointPreferenceCategory(accessPoints) ? 1 : 0;
762 int numAccessPoints = accessPoints.size();
763 for (; index < numAccessPoints; index++) {
764 AccessPoint accessPoint = accessPoints.get(index);
765 // Ignore access points that are out of range.
766 if (accessPoint.isReachable()) {
767 String key = AccessPointPreference.generatePreferenceKey(accessPoint);
768 hasAvailableAccessPoints = true;
769 LongPressAccessPointPreference pref =
770 (LongPressAccessPointPreference) getCachedPreference(key);
772 pref.setOrder(index);
775 LongPressAccessPointPreference preference =
776 createLongPressActionPointPreference(accessPoint);
777 preference.setKey(key);
778 preference.setOrder(index);
779 if (mOpenSsid != null && mOpenSsid.equals(accessPoint.getSsidStr())
780 && accessPoint.getSecurity() != AccessPoint.SECURITY_NONE) {
781 if (!accessPoint.isSaved() || isDisabledByWrongPassword(accessPoint)) {
782 onPreferenceTreeClick(preference);
786 mAccessPointsPreferenceCategory.addPreference(preference);
787 accessPoint.setListener(WifiSettings.this);
788 preference.refresh();
791 removeCachedPrefs(mAccessPointsPreferenceCategory);
792 mAddPreference.setOrder(index);
793 mAccessPointsPreferenceCategory.addPreference(mAddPreference);
794 setAdditionalSettingsSummaries();
796 if (!hasAvailableAccessPoints) {
797 setProgressBarVisible(true);
798 Preference pref = new Preference(getPrefContext());
799 pref.setSelectable(false);
800 pref.setSummary(R.string.wifi_empty_list_wifi_on);
801 pref.setOrder(index++);
802 pref.setKey(PREF_KEY_EMPTY_WIFI_LIST);
803 mAccessPointsPreferenceCategory.addPreference(pref);
805 // Continuing showing progress bar for an additional delay to overlap with animation
806 getView().postDelayed(mHideProgressBarRunnable, 1700 /* delay millis */);
811 private LongPressAccessPointPreference createLongPressActionPointPreference(
812 AccessPoint accessPoint) {
813 return new LongPressAccessPointPreference(accessPoint, getPrefContext(), mUserBadgeCache,
814 false, R.drawable.ic_wifi_signal_0, this);
818 * Configure the ConnectedAccessPointPreferenceCategory and return true if the Category was
821 private boolean configureConnectedAccessPointPreferenceCategory(
822 List<AccessPoint> accessPoints) {
823 if (accessPoints.size() == 0) {
824 removeConnectedAccessPointPreference();
828 AccessPoint connectedAp = accessPoints.get(0);
829 if (!connectedAp.isActive()) {
830 removeConnectedAccessPointPreference();
834 // Is the preference category empty?
835 if (mConnectedAccessPointPreferenceCategory.getPreferenceCount() == 0) {
836 addConnectedAccessPointPreference(connectedAp);
840 // Is the previous currently connected SSID different from the new one?
841 if (!((AccessPointPreference)
842 mConnectedAccessPointPreferenceCategory.getPreference(0))
843 .getAccessPoint().getSsidStr().equals(
844 connectedAp.getSsidStr())) {
845 removeConnectedAccessPointPreference();
846 addConnectedAccessPointPreference(connectedAp);
850 // Else same AP is connected, simply refresh the connected access point preference
851 // (first and only access point in this category).
852 ((LongPressAccessPointPreference) mConnectedAccessPointPreferenceCategory.getPreference(0))
858 * Creates a Preference for the given {@link AccessPoint} and adds it to the
859 * {@link #mConnectedAccessPointPreferenceCategory}.
861 private void addConnectedAccessPointPreference(AccessPoint connectedAp) {
862 String key = connectedAp.getBssid();
863 LongPressAccessPointPreference pref = (LongPressAccessPointPreference)
864 getCachedPreference(key);
866 pref = createLongPressActionPointPreference(connectedAp);
869 // Save the state of the current access point in the bundle so that we can restore it
870 // in the Wifi Network Details Fragment
871 pref.getAccessPoint().saveWifiState(pref.getExtras());
872 pref.setFragment(WifiNetworkDetailsFragment.class.getName());
875 mConnectedAccessPointPreferenceCategory.addPreference(pref);
876 mConnectedAccessPointPreferenceCategory.setVisible(true);
879 /** Removes all preferences and hide the {@link #mConnectedAccessPointPreferenceCategory}. */
880 private void removeConnectedAccessPointPreference() {
881 mConnectedAccessPointPreferenceCategory.removeAll();
882 mConnectedAccessPointPreferenceCategory.setVisible(false);
885 private void setAdditionalSettingsSummaries() {
886 mAdditionalSettingsPreferenceCategory.addPreference(mConfigureWifiSettingsPreference);
887 final int defaultWakeupAvailable = getResources().getInteger(
888 com.android.internal.R.integer.config_wifi_wakeup_available);
889 boolean wifiWakeupAvailable = Settings.Global.getInt(
890 getContentResolver(), Settings.Global.WIFI_WAKEUP_AVAILABLE, defaultWakeupAvailable)
892 if (wifiWakeupAvailable) {
893 boolean wifiWakeupEnabled = Settings.Global.getInt(
894 getContentResolver(), Settings.Global.WIFI_WAKEUP_ENABLED, 0) == 1;
895 mConfigureWifiSettingsPreference.setSummary(getString(wifiWakeupEnabled
896 ? R.string.wifi_configure_settings_preference_summary_wakeup_on
897 : R.string.wifi_configure_settings_preference_summary_wakeup_off));
899 int numSavedNetworks = mWifiTracker.getNumSavedNetworks();
900 if (numSavedNetworks > 0) {
901 mAdditionalSettingsPreferenceCategory.addPreference(mSavedNetworksPreference);
902 mSavedNetworksPreference.setSummary(
903 getResources().getQuantityString(R.plurals.wifi_saved_access_points_summary,
904 numSavedNetworks, numSavedNetworks));
906 mAdditionalSettingsPreferenceCategory.removePreference(mSavedNetworksPreference);
910 private void setOffMessage() {
911 final CharSequence title = getText(R.string.wifi_empty_list_wifi_off);
912 // Don't use WifiManager.isScanAlwaysAvailable() to check the Wi-Fi scanning mode. Instead,
913 // read the system settings directly. Because when the device is in Airplane mode, even if
914 // Wi-Fi scanning mode is on, WifiManager.isScanAlwaysAvailable() still returns "off".
915 final boolean wifiScanningMode = Settings.Global.getInt(getActivity().getContentResolver(),
916 Settings.Global.WIFI_SCAN_ALWAYS_AVAILABLE, 0) == 1;
917 final CharSequence description = wifiScanningMode ? getText(R.string.wifi_scan_notify_text)
918 : getText(R.string.wifi_scan_notify_text_scanning_off);
919 final LinkifyUtils.OnClickListener clickListener = new LinkifyUtils.OnClickListener() {
921 public void onClick() {
922 final SettingsActivity activity = (SettingsActivity) getActivity();
923 activity.startPreferencePanel(WifiSettings.this,
924 ScanningSettings.class.getName(),
925 null, R.string.location_scanning_screen_title, null, null, 0);
928 mStatusMessagePreference.setText(title, description, clickListener);
929 removeConnectedAccessPointPreference();
930 mAccessPointsPreferenceCategory.removeAll();
931 mAccessPointsPreferenceCategory.addPreference(mStatusMessagePreference);
934 private void addMessagePreference(int messageId) {
935 mStatusMessagePreference.setTitle(messageId);
936 removeConnectedAccessPointPreference();
937 mAccessPointsPreferenceCategory.removeAll();
938 mAccessPointsPreferenceCategory.addPreference(mStatusMessagePreference);
941 protected void setProgressBarVisible(boolean visible) {
942 if (mProgressHeader != null) {
943 mProgressHeader.setVisibility(visible ? View.VISIBLE : View.INVISIBLE);
948 * Renames/replaces "Next" button when appropriate. "Next" button usually exists in
949 * Wifi setup screens, not in usual wifi settings screen.
951 * @param enabled true when the device is connected to a wifi network.
953 private void changeNextButtonState(boolean enabled) {
954 if (mEnableNextOnConnection && hasNextButton()) {
955 getNextButton().setEnabled(enabled);
960 public void onForget(WifiDialog dialog) {
965 public void onSubmit(WifiDialog dialog) {
966 if (mDialog != null) {
967 submit(mDialog.getController());
971 /* package */ void submit(WifiConfigController configController) {
973 final WifiConfiguration config = configController.getConfig();
975 if (config == null) {
976 if (mSelectedAccessPoint != null
977 && mSelectedAccessPoint.isSaved()) {
978 connect(mSelectedAccessPoint.getConfig(), true /* isSavedNetwork */);
980 } else if (configController.getMode() == WifiConfigUiBase.MODE_MODIFY) {
981 mWifiManager.save(config, mSaveListener);
983 mWifiManager.save(config, mSaveListener);
984 if (mSelectedAccessPoint != null) { // Not an "Add network"
985 connect(config, false /* isSavedNetwork */);
989 mWifiTracker.resumeScanning();
992 /* package */ void forget() {
993 mMetricsFeatureProvider.action(getActivity(), MetricsEvent.ACTION_WIFI_FORGET);
994 if (!mSelectedAccessPoint.isSaved()) {
995 if (mSelectedAccessPoint.getNetworkInfo() != null &&
996 mSelectedAccessPoint.getNetworkInfo().getState() != State.DISCONNECTED) {
997 // Network is active but has no network ID - must be ephemeral.
998 mWifiManager.disableEphemeralNetwork(
999 AccessPoint.convertToQuotedString(mSelectedAccessPoint.getSsidStr()));
1001 // Should not happen, but a monkey seems to trigger it
1002 Log.e(TAG, "Failed to forget invalid network " + mSelectedAccessPoint.getConfig());
1005 } else if (mSelectedAccessPoint.getConfig().isPasspoint()) {
1006 mWifiManager.removePasspointConfiguration(mSelectedAccessPoint.getConfig().FQDN);
1008 mWifiManager.forget(mSelectedAccessPoint.getConfig().networkId, mForgetListener);
1011 mWifiTracker.resumeScanning();
1013 // We need to rename/replace "Next" button in wifi setup context.
1014 changeNextButtonState(false);
1017 protected void connect(final WifiConfiguration config, boolean isSavedNetwork) {
1018 // Log subtype if configuration is a saved network.
1019 mMetricsFeatureProvider.action(getActivity(), MetricsEvent.ACTION_WIFI_CONNECT,
1021 mWifiManager.connect(config, mConnectListener);
1022 scrollToPreference(mConnectedAccessPointPreferenceCategory);
1025 protected void connect(final int networkId, boolean isSavedNetwork) {
1026 // Log subtype if configuration is a saved network.
1027 mMetricsFeatureProvider.action(getActivity(), MetricsEvent.ACTION_WIFI_CONNECT,
1029 mWifiManager.connect(networkId, mConnectListener);
1033 * Called when "add network" button is pressed.
1035 /* package */ void onAddNetworkPressed() {
1036 mMetricsFeatureProvider.action(getActivity(), MetricsEvent.ACTION_WIFI_ADD_NETWORK);
1037 // No exact access point is selected.
1038 mSelectedAccessPoint = null;
1039 showDialog(null, WifiConfigUiBase.MODE_CONNECT);
1043 protected int getHelpResource() {
1044 return R.string.help_url_wifi;
1048 public void onAccessPointChanged(final AccessPoint accessPoint) {
1049 Log.d(TAG, "onAccessPointChanged (singular) callback initiated");
1050 View view = getView();
1052 view.post(new Runnable() {
1055 Object tag = accessPoint.getTag();
1057 ((LongPressAccessPointPreference) tag).refresh();
1065 public void onLevelChanged(AccessPoint accessPoint) {
1066 ((LongPressAccessPointPreference) accessPoint.getTag()).onLevelChanged();
1069 public static final SearchIndexProvider SEARCH_INDEX_DATA_PROVIDER =
1070 new BaseSearchIndexProvider() {
1072 public List<SearchIndexableRaw> getRawDataToIndex(Context context, boolean enabled) {
1073 final List<SearchIndexableRaw> result = new ArrayList<>();
1074 final Resources res = context.getResources();
1076 // Add fragment title
1077 SearchIndexableRaw data = new SearchIndexableRaw(context);
1078 data.title = res.getString(R.string.wifi_settings);
1079 data.screenTitle = res.getString(R.string.wifi_settings);
1080 data.keywords = res.getString(R.string.keywords_wifi);
1081 data.key = DATA_KEY_REFERENCE;
1084 // Add saved Wi-Fi access points
1085 final List<AccessPoint> accessPoints =
1086 WifiTracker.getCurrentAccessPoints(context, true, false, false);
1087 for (AccessPoint accessPoint : accessPoints) {
1088 data = new SearchIndexableRaw(context);
1089 data.title = accessPoint.getSsidStr();
1090 data.screenTitle = res.getString(R.string.wifi_settings);
1091 data.enabled = enabled;
1100 * Returns true if the config is not editable through Settings.
1101 * @param context Context of caller
1102 * @param config The WiFi config.
1103 * @return true if the config is not editable through Settings.
1105 static boolean isEditabilityLockedDown(Context context, WifiConfiguration config) {
1106 return !canModifyNetwork(context, config);
1110 * This method is a stripped version of WifiConfigStore.canModifyNetwork.
1111 * TODO: refactor to have only one method.
1112 * @param context Context of caller
1113 * @param config The WiFi config.
1114 * @return true if Settings can modify the config.
1116 static boolean canModifyNetwork(Context context, WifiConfiguration config) {
1117 if (config == null) {
1121 final DevicePolicyManager dpm = (DevicePolicyManager) context.getSystemService(
1122 Context.DEVICE_POLICY_SERVICE);
1124 // Check if device has DPM capability. If it has and dpm is still null, then we
1125 // treat this case with suspicion and bail out.
1126 final PackageManager pm = context.getPackageManager();
1127 if (pm.hasSystemFeature(PackageManager.FEATURE_DEVICE_ADMIN) && dpm == null) {
1131 boolean isConfigEligibleForLockdown = false;
1133 final ComponentName deviceOwner = dpm.getDeviceOwnerComponentOnAnyUser();
1134 if (deviceOwner != null) {
1135 final int deviceOwnerUserId = dpm.getDeviceOwnerUserId();
1137 final int deviceOwnerUid = pm.getPackageUidAsUser(deviceOwner.getPackageName(),
1139 isConfigEligibleForLockdown = deviceOwnerUid == config.creatorUid;
1140 } catch (NameNotFoundException e) {
1145 if (!isConfigEligibleForLockdown) {
1149 final ContentResolver resolver = context.getContentResolver();
1150 final boolean isLockdownFeatureEnabled = Settings.Global.getInt(resolver,
1151 Settings.Global.WIFI_DEVICE_OWNER_CONFIGS_LOCKDOWN, 0) != 0;
1152 return !isLockdownFeatureEnabled;
1155 private static class SummaryProvider
1156 implements SummaryLoader.SummaryProvider, OnSummaryChangeListener {
1158 private final Context mContext;
1159 private final SummaryLoader mSummaryLoader;
1162 WifiSummaryUpdater mSummaryHelper;
1164 public SummaryProvider(Context context, SummaryLoader summaryLoader) {
1166 mSummaryLoader = summaryLoader;
1167 mSummaryHelper = new WifiSummaryUpdater(mContext, this);
1172 public void setListening(boolean listening) {
1173 mSummaryHelper.register(listening);
1177 public void onSummaryChanged(String summary) {
1178 mSummaryLoader.setSummary(this, summary);
1182 public static final SummaryLoader.SummaryProviderFactory SUMMARY_PROVIDER_FACTORY
1183 = new SummaryLoader.SummaryProviderFactory() {
1185 public SummaryLoader.SummaryProvider createSummaryProvider(Activity activity,
1186 SummaryLoader summaryLoader) {
1187 return new SummaryProvider(activity, summaryLoader);