/* * Copyright (C) 2010 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.android.settings.wifi; import static android.net.NetworkCapabilities.TRANSPORT_WIFI; import static android.os.UserManager.DISALLOW_CONFIG_WIFI; import android.annotation.NonNull; import android.app.Activity; import android.app.Dialog; import android.content.ContentResolver; import android.content.Context; import android.content.Intent; import android.content.res.Resources; import android.net.ConnectivityManager; import android.net.Network; import android.net.NetworkInfo; import android.net.NetworkInfo.State; import android.net.NetworkRequest; import android.net.wifi.WifiConfiguration; import android.net.wifi.WifiManager; import android.nfc.NfcAdapter; import android.os.Bundle; import android.os.Handler; import android.os.Looper; import android.os.PowerManager; import android.provider.Settings; import android.support.annotation.VisibleForTesting; import android.support.v7.preference.Preference; import android.support.v7.preference.PreferenceCategory; import android.util.Log; import android.view.ContextMenu; import android.view.ContextMenu.ContextMenuInfo; import android.view.Menu; import android.view.MenuItem; import android.view.View; import android.widget.Toast; import com.android.internal.logging.nano.MetricsProto.MetricsEvent; import com.android.settings.LinkifyUtils; import com.android.settings.R; import com.android.settings.RestrictedSettingsFragment; import com.android.settings.SettingsActivity; import com.android.settings.core.SubSettingLauncher; import com.android.settings.dashboard.SummaryLoader; import com.android.settings.location.ScanningSettings; import com.android.settings.search.BaseSearchIndexProvider; import com.android.settings.search.Indexable; import com.android.settings.search.SearchIndexableRaw; import com.android.settings.widget.SummaryUpdater.OnSummaryChangeListener; import com.android.settings.widget.SwitchBarController; import com.android.settings.wifi.details.WifiNetworkDetailsFragment; import com.android.settingslib.RestrictedLockUtils; import com.android.settingslib.wifi.AccessPoint; import com.android.settingslib.wifi.AccessPoint.AccessPointListener; import com.android.settingslib.wifi.AccessPointPreference; import com.android.settingslib.wifi.WifiTracker; import com.android.settingslib.wifi.WifiTrackerFactory; import java.util.ArrayList; import java.util.List; /** * Two types of UI are provided here. * * The first is for "usual Settings", appearing as any other Setup fragment. * * The second is for Setup Wizard, with a simplified interface that hides the action bar * and menus. */ public class WifiSettings extends RestrictedSettingsFragment implements Indexable, WifiTracker.WifiListener, AccessPointListener, WifiDialog.WifiDialogListener { private static final String TAG = "WifiSettings"; private static final int MENU_ID_CONNECT = Menu.FIRST + 6; private static final int MENU_ID_FORGET = Menu.FIRST + 7; private static final int MENU_ID_MODIFY = Menu.FIRST + 8; private static final int MENU_ID_WRITE_NFC = Menu.FIRST + 9; public static final int WIFI_DIALOG_ID = 1; private static final int WRITE_NFC_DIALOG_ID = 6; // Instance state keys private static final String SAVE_DIALOG_MODE = "dialog_mode"; private static final String SAVE_DIALOG_ACCESS_POINT_STATE = "wifi_ap_state"; private static final String SAVED_WIFI_NFC_DIALOG_STATE = "wifi_nfc_dlg_state"; private static final String PREF_KEY_EMPTY_WIFI_LIST = "wifi_empty_list"; private static final String PREF_KEY_CONNECTED_ACCESS_POINTS = "connected_access_point"; private static final String PREF_KEY_ACCESS_POINTS = "access_points"; private static final String PREF_KEY_ADDITIONAL_SETTINGS = "additional_settings"; private static final String PREF_KEY_CONFIGURE_WIFI_SETTINGS = "configure_settings"; private static final String PREF_KEY_SAVED_NETWORKS = "saved_networks"; private static boolean isVerboseLoggingEnabled() { return WifiTracker.sVerboseLogging || Log.isLoggable(TAG, Log.VERBOSE); } private final Runnable mUpdateAccessPointsRunnable = () -> { updateAccessPointPreferences(); }; private final Runnable mHideProgressBarRunnable = () -> { setProgressBarVisible(false); }; protected WifiManager mWifiManager; private ConnectivityManager mConnectivityManager; private WifiManager.ActionListener mConnectListener; private WifiManager.ActionListener mSaveListener; private WifiManager.ActionListener mForgetListener; private CaptivePortalNetworkCallback mCaptivePortalNetworkCallback; /** * The state of {@link #isUiRestricted()} at {@link #onCreate(Bundle)}}. This is neccesary to * ensure that behavior is consistent if {@link #isUiRestricted()} changes. It could be changed * by the Test DPC tool in AFW mode. */ private boolean mIsRestricted; private WifiEnabler mWifiEnabler; // An access point being edited is stored here. private AccessPoint mSelectedAccessPoint; private WifiDialog mDialog; private WriteWifiConfigToNfcDialog mWifiToNfcDialog; private View mProgressHeader; // this boolean extra specifies whether to disable the Next button when not connected. Used by // account creation outside of setup wizard. private static final String EXTRA_ENABLE_NEXT_ON_CONNECT = "wifi_enable_next_on_connect"; // This string extra specifies a network to open the connect dialog on, so the user can enter // network credentials. This is used by quick settings for secured networks, among other // things. public static final String EXTRA_START_CONNECT_SSID = "wifi_start_connect_ssid"; // should Next button only be enabled when we have a connection? private boolean mEnableNextOnConnection; // Save the dialog details private int mDialogMode; private AccessPoint mDlgAccessPoint; private Bundle mAccessPointSavedState; private Bundle mWifiNfcDialogSavedState; private WifiTracker mWifiTracker; private String mOpenSsid; private AccessPointPreference.UserBadgeCache mUserBadgeCache; private PreferenceCategory mConnectedAccessPointPreferenceCategory; private PreferenceCategory mAccessPointsPreferenceCategory; private PreferenceCategory mAdditionalSettingsPreferenceCategory; private Preference mAddPreference; private Preference mConfigureWifiSettingsPreference; private Preference mSavedNetworksPreference; private LinkablePreference mStatusMessagePreference; // For Search public static final String DATA_KEY_REFERENCE = "main_toggle_wifi"; /** * Tracks whether the user initiated a connection via clicking in order to autoscroll to the * network once connected. */ private boolean mClickedConnect; /* End of "used in Wifi Setup context" */ public WifiSettings() { super(DISALLOW_CONFIG_WIFI); } @Override public void onViewCreated(View view, Bundle savedInstanceState) { super.onViewCreated(view, savedInstanceState); final Activity activity = getActivity(); if (activity != null) { mProgressHeader = setPinnedHeaderView(R.layout.wifi_progress_header) .findViewById(R.id.progress_bar_animation); setProgressBarVisible(false); } ((SettingsActivity) activity).getSwitchBar().setSwitchBarText( R.string.wifi_settings_master_switch_title, R.string.wifi_settings_master_switch_title); } @Override public void onCreate(Bundle icicle) { super.onCreate(icicle); // TODO(b/37429702): Add animations and preference comparator back after initial screen is // loaded (ODR). setAnimationAllowed(false); addPreferences(); mIsRestricted = isUiRestricted(); } private void addPreferences() { addPreferencesFromResource(R.xml.wifi_settings); mConnectedAccessPointPreferenceCategory = (PreferenceCategory) findPreference(PREF_KEY_CONNECTED_ACCESS_POINTS); mAccessPointsPreferenceCategory = (PreferenceCategory) findPreference(PREF_KEY_ACCESS_POINTS); mAdditionalSettingsPreferenceCategory = (PreferenceCategory) findPreference(PREF_KEY_ADDITIONAL_SETTINGS); mConfigureWifiSettingsPreference = findPreference(PREF_KEY_CONFIGURE_WIFI_SETTINGS); mSavedNetworksPreference = findPreference(PREF_KEY_SAVED_NETWORKS); Context prefContext = getPrefContext(); mAddPreference = new Preference(prefContext); mAddPreference.setIcon(R.drawable.ic_menu_add_inset); mAddPreference.setTitle(R.string.wifi_add_network); mStatusMessagePreference = new LinkablePreference(prefContext); mUserBadgeCache = new AccessPointPreference.UserBadgeCache(getPackageManager()); } @Override public void onActivityCreated(Bundle savedInstanceState) { super.onActivityCreated(savedInstanceState); mWifiTracker = WifiTrackerFactory.create( getActivity(), this, getLifecycle(), true, true); mWifiManager = mWifiTracker.getManager(); final Activity activity = getActivity(); if (activity != null) { mConnectivityManager = getActivity().getSystemService(ConnectivityManager.class); } mConnectListener = new WifiManager.ActionListener() { @Override public void onSuccess() { } @Override public void onFailure(int reason) { Activity activity = getActivity(); if (activity != null) { Toast.makeText(activity, R.string.wifi_failed_connect_message, Toast.LENGTH_SHORT).show(); } } }; mSaveListener = new WifiManager.ActionListener() { @Override public void onSuccess() { } @Override public void onFailure(int reason) { Activity activity = getActivity(); if (activity != null) { Toast.makeText(activity, R.string.wifi_failed_save_message, Toast.LENGTH_SHORT).show(); } } }; mForgetListener = new WifiManager.ActionListener() { @Override public void onSuccess() { } @Override public void onFailure(int reason) { Activity activity = getActivity(); if (activity != null) { Toast.makeText(activity, R.string.wifi_failed_forget_message, Toast.LENGTH_SHORT).show(); } } }; if (savedInstanceState != null) { mDialogMode = savedInstanceState.getInt(SAVE_DIALOG_MODE); if (savedInstanceState.containsKey(SAVE_DIALOG_ACCESS_POINT_STATE)) { mAccessPointSavedState = savedInstanceState.getBundle(SAVE_DIALOG_ACCESS_POINT_STATE); } if (savedInstanceState.containsKey(SAVED_WIFI_NFC_DIALOG_STATE)) { mWifiNfcDialogSavedState = savedInstanceState.getBundle(SAVED_WIFI_NFC_DIALOG_STATE); } } // if we're supposed to enable/disable the Next button based on our current connection // state, start it off in the right state Intent intent = getActivity().getIntent(); mEnableNextOnConnection = intent.getBooleanExtra(EXTRA_ENABLE_NEXT_ON_CONNECT, false); if (mEnableNextOnConnection) { if (hasNextButton()) { final ConnectivityManager connectivity = (ConnectivityManager) getActivity().getSystemService(Context.CONNECTIVITY_SERVICE); if (connectivity != null) { NetworkInfo info = connectivity.getNetworkInfo( ConnectivityManager.TYPE_WIFI); changeNextButtonState(info.isConnected()); } } } registerForContextMenu(getListView()); setHasOptionsMenu(true); if (intent.hasExtra(EXTRA_START_CONNECT_SSID)) { mOpenSsid = intent.getStringExtra(EXTRA_START_CONNECT_SSID); } } @Override public void onDestroyView() { super.onDestroyView(); if (mWifiEnabler != null) { mWifiEnabler.teardownSwitchController(); } } @Override public void onStart() { super.onStart(); // On/off switch is hidden for Setup Wizard (returns null) mWifiEnabler = createWifiEnabler(); if (mIsRestricted) { restrictUi(); return; } onWifiStateChanged(mWifiManager.getWifiState()); } private void restrictUi() { if (!isUiRestrictedByOnlyAdmin()) { getEmptyTextView().setText(R.string.wifi_empty_list_user_restricted); } getPreferenceScreen().removeAll(); } /** * @return new WifiEnabler or null (as overridden by WifiSettingsForSetupWizard) */ private WifiEnabler createWifiEnabler() { final SettingsActivity activity = (SettingsActivity) getActivity(); return new WifiEnabler(activity, new SwitchBarController(activity.getSwitchBar()), mMetricsFeatureProvider); } @Override public void onResume() { final Activity activity = getActivity(); super.onResume(); // Because RestrictedSettingsFragment's onResume potentially requests authorization, // which changes the restriction state, recalculate it. final boolean alreadyImmutablyRestricted = mIsRestricted; mIsRestricted = isUiRestricted(); if (!alreadyImmutablyRestricted && mIsRestricted) { restrictUi(); } if (mWifiEnabler != null) { mWifiEnabler.resume(activity); } } @Override public void onPause() { super.onPause(); if (mWifiEnabler != null) { mWifiEnabler.pause(); } } @Override public void onStop() { getView().removeCallbacks(mUpdateAccessPointsRunnable); getView().removeCallbacks(mHideProgressBarRunnable); unregisterCaptivePortalNetworkCallback(); super.onStop(); } @Override public void onActivityResult(int requestCode, int resultCode, Intent data) { super.onActivityResult(requestCode, resultCode, data); final boolean formerlyRestricted = mIsRestricted; mIsRestricted = isUiRestricted(); if (formerlyRestricted && !mIsRestricted && getPreferenceScreen().getPreferenceCount() == 0) { // De-restrict the ui addPreferences(); } } @Override public int getMetricsCategory() { return MetricsEvent.WIFI; } @Override public void onSaveInstanceState(Bundle outState) { super.onSaveInstanceState(outState); // If the dialog is showing, save its state. if (mDialog != null && mDialog.isShowing()) { outState.putInt(SAVE_DIALOG_MODE, mDialogMode); if (mDlgAccessPoint != null) { mAccessPointSavedState = new Bundle(); mDlgAccessPoint.saveWifiState(mAccessPointSavedState); outState.putBundle(SAVE_DIALOG_ACCESS_POINT_STATE, mAccessPointSavedState); } } if (mWifiToNfcDialog != null && mWifiToNfcDialog.isShowing()) { Bundle savedState = new Bundle(); mWifiToNfcDialog.saveState(savedState); outState.putBundle(SAVED_WIFI_NFC_DIALOG_STATE, savedState); } } @Override public void onCreateContextMenu(ContextMenu menu, View view, ContextMenuInfo info) { Preference preference = (Preference) view.getTag(); if (preference instanceof LongPressAccessPointPreference) { mSelectedAccessPoint = ((LongPressAccessPointPreference) preference).getAccessPoint(); menu.setHeaderTitle(mSelectedAccessPoint.getSsid()); if (mSelectedAccessPoint.isConnectable()) { menu.add(Menu.NONE, MENU_ID_CONNECT, 0, R.string.wifi_menu_connect); } WifiConfiguration config = mSelectedAccessPoint.getConfig(); // Some configs are ineditable if (WifiUtils.isNetworkLockedDown(getActivity(), config)) { return; } if (mSelectedAccessPoint.isSaved() || mSelectedAccessPoint.isEphemeral()) { // Allow forgetting a network if either the network is saved or ephemerally // connected. (In the latter case, "forget" blacklists the network so it won't // be used again, ephemerally). menu.add(Menu.NONE, MENU_ID_FORGET, 0, R.string.wifi_menu_forget); } if (mSelectedAccessPoint.isSaved()) { menu.add(Menu.NONE, MENU_ID_MODIFY, 0, R.string.wifi_menu_modify); NfcAdapter nfcAdapter = NfcAdapter.getDefaultAdapter(getActivity()); if (nfcAdapter != null && nfcAdapter.isEnabled() && mSelectedAccessPoint.getSecurity() != AccessPoint.SECURITY_NONE) { // Only allow writing of NFC tags for password-protected networks. menu.add(Menu.NONE, MENU_ID_WRITE_NFC, 0, R.string.wifi_menu_write_to_nfc); } } } } @Override public boolean onContextItemSelected(MenuItem item) { if (mSelectedAccessPoint == null) { return super.onContextItemSelected(item); } switch (item.getItemId()) { case MENU_ID_CONNECT: { boolean isSavedNetwork = mSelectedAccessPoint.isSaved(); if (isSavedNetwork) { connect(mSelectedAccessPoint.getConfig(), isSavedNetwork); } else if (mSelectedAccessPoint.getSecurity() == AccessPoint.SECURITY_NONE) { /** Bypass dialog for unsecured networks */ mSelectedAccessPoint.generateOpenNetworkConfig(); connect(mSelectedAccessPoint.getConfig(), isSavedNetwork); } else { showDialog(mSelectedAccessPoint, WifiConfigUiBase.MODE_CONNECT); } return true; } case MENU_ID_FORGET: { forget(); return true; } case MENU_ID_MODIFY: { showDialog(mSelectedAccessPoint, WifiConfigUiBase.MODE_MODIFY); return true; } case MENU_ID_WRITE_NFC: showDialog(WRITE_NFC_DIALOG_ID); return true; } return super.onContextItemSelected(item); } @Override public boolean onPreferenceTreeClick(Preference preference) { // If the preference has a fragment set, open that if (preference.getFragment() != null) { preference.setOnPreferenceClickListener(null); return super.onPreferenceTreeClick(preference); } if (preference instanceof LongPressAccessPointPreference) { mSelectedAccessPoint = ((LongPressAccessPointPreference) preference).getAccessPoint(); if (mSelectedAccessPoint == null) { return false; } if (mSelectedAccessPoint.isActive()) { return super.onPreferenceTreeClick(preference); } /** * Bypass dialog and connect to unsecured networks, or previously connected saved * networks, or Passpoint provided networks. */ WifiConfiguration config = mSelectedAccessPoint.getConfig(); if (mSelectedAccessPoint.getSecurity() == AccessPoint.SECURITY_NONE) { mSelectedAccessPoint.generateOpenNetworkConfig(); connect(mSelectedAccessPoint.getConfig(), mSelectedAccessPoint.isSaved()); } else if (mSelectedAccessPoint.isSaved() && config != null && config.getNetworkSelectionStatus() != null && config.getNetworkSelectionStatus().getHasEverConnected()) { connect(config, true /* isSavedNetwork */); } else if (mSelectedAccessPoint.isPasspoint()) { // Access point provided by an installed Passpoint provider, connect using // the associated config. connect(config, true /* isSavedNetwork */); } else { showDialog(mSelectedAccessPoint, WifiConfigUiBase.MODE_CONNECT); } } else if (preference == mAddPreference) { onAddNetworkPressed(); } else { return super.onPreferenceTreeClick(preference); } return true; } private void showDialog(AccessPoint accessPoint, int dialogMode) { if (accessPoint != null) { WifiConfiguration config = accessPoint.getConfig(); if (WifiUtils.isNetworkLockedDown(getActivity(), config) && accessPoint.isActive()) { RestrictedLockUtils.sendShowAdminSupportDetailsIntent(getActivity(), RestrictedLockUtils.getDeviceOwner(getActivity())); return; } } if (mDialog != null) { removeDialog(WIFI_DIALOG_ID); mDialog = null; } // Save the access point and edit mode mDlgAccessPoint = accessPoint; mDialogMode = dialogMode; showDialog(WIFI_DIALOG_ID); } @Override public Dialog onCreateDialog(int dialogId) { switch (dialogId) { case WIFI_DIALOG_ID: if (mDlgAccessPoint == null && mAccessPointSavedState == null) { // add new network mDialog = WifiDialog .createFullscreen(getActivity(), this, mDlgAccessPoint, mDialogMode); } else { // modify network if (mDlgAccessPoint == null) { // restore AP from save state mDlgAccessPoint = new AccessPoint(getActivity(), mAccessPointSavedState); // Reset the saved access point data mAccessPointSavedState = null; } mDialog = WifiDialog .createModal(getActivity(), this, mDlgAccessPoint, mDialogMode); } mSelectedAccessPoint = mDlgAccessPoint; return mDialog; case WRITE_NFC_DIALOG_ID: if (mSelectedAccessPoint != null) { mWifiToNfcDialog = new WriteWifiConfigToNfcDialog( getActivity(), mSelectedAccessPoint.getSecurity()); } else if (mWifiNfcDialogSavedState != null) { mWifiToNfcDialog = new WriteWifiConfigToNfcDialog(getActivity(), mWifiNfcDialogSavedState); } return mWifiToNfcDialog; } return super.onCreateDialog(dialogId); } @Override public int getDialogMetricsCategory(int dialogId) { switch (dialogId) { case WIFI_DIALOG_ID: return MetricsEvent.DIALOG_WIFI_AP_EDIT; case WRITE_NFC_DIALOG_ID: return MetricsEvent.DIALOG_WIFI_WRITE_NFC; default: return 0; } } /** * Called to indicate the list of AccessPoints has been updated and * getAccessPoints should be called to get the latest information. */ @Override public void onAccessPointsChanged() { Log.d(TAG, "onAccessPointsChanged (WifiTracker) callback initiated"); updateAccessPointsDelayed(); } /** * Updates access points from {@link WifiManager#getScanResults()}. Adds a delay to have * progress bar displayed before starting to modify APs. */ private void updateAccessPointsDelayed() { // Safeguard from some delayed event handling if (getActivity() != null && !mIsRestricted && mWifiManager.isWifiEnabled()) { final View view = getView(); final Handler handler = view.getHandler(); if (handler != null && handler.hasCallbacks(mUpdateAccessPointsRunnable)) { return; } setProgressBarVisible(true); view.postDelayed(mUpdateAccessPointsRunnable, 300 /* delay milliseconds */); } } /** Called when the state of Wifi has changed. */ @Override public void onWifiStateChanged(int state) { if (mIsRestricted) { return; } final int wifiState = mWifiManager.getWifiState(); switch (wifiState) { case WifiManager.WIFI_STATE_ENABLED: updateAccessPointPreferences(); break; case WifiManager.WIFI_STATE_ENABLING: removeConnectedAccessPointPreference(); mAccessPointsPreferenceCategory.removeAll(); addMessagePreference(R.string.wifi_starting); setProgressBarVisible(true); break; case WifiManager.WIFI_STATE_DISABLING: removeConnectedAccessPointPreference(); mAccessPointsPreferenceCategory.removeAll(); addMessagePreference(R.string.wifi_stopping); break; case WifiManager.WIFI_STATE_DISABLED: setOffMessage(); setAdditionalSettingsSummaries(); setProgressBarVisible(false); break; } } /** * Called when the connection state of wifi has changed. */ @Override public void onConnectedChanged() { changeNextButtonState(mWifiTracker.isConnected()); } /** Helper method to return whether an AccessPoint is disabled due to a wrong password */ private static boolean isDisabledByWrongPassword(AccessPoint accessPoint) { WifiConfiguration config = accessPoint.getConfig(); if (config == null) { return false; } WifiConfiguration.NetworkSelectionStatus networkStatus = config.getNetworkSelectionStatus(); if (networkStatus == null || networkStatus.isNetworkEnabled()) { return false; } int reason = networkStatus.getNetworkSelectionDisableReason(); return WifiConfiguration.NetworkSelectionStatus.DISABLED_BY_WRONG_PASSWORD == reason; } private void updateAccessPointPreferences() { // in case state has changed if (!mWifiManager.isWifiEnabled()) { return; } // AccessPoints are sorted by the WifiTracker final List<AccessPoint> accessPoints = mWifiTracker.getAccessPoints(); if (isVerboseLoggingEnabled()) { Log.i(TAG, "updateAccessPoints called for: " + accessPoints); } boolean hasAvailableAccessPoints = false; mAccessPointsPreferenceCategory.removePreference(mStatusMessagePreference); cacheRemoveAllPrefs(mAccessPointsPreferenceCategory); int index = configureConnectedAccessPointPreferenceCategory(accessPoints) ? 1 : 0; int numAccessPoints = accessPoints.size(); for (; index < numAccessPoints; index++) { AccessPoint accessPoint = accessPoints.get(index); // Ignore access points that are out of range. if (accessPoint.isReachable()) { String key = accessPoint.getKey(); hasAvailableAccessPoints = true; LongPressAccessPointPreference pref = (LongPressAccessPointPreference) getCachedPreference(key); if (pref != null) { pref.setOrder(index); continue; } LongPressAccessPointPreference preference = createLongPressAccessPointPreference(accessPoint); preference.setKey(key); preference.setOrder(index); if (mOpenSsid != null && mOpenSsid.equals(accessPoint.getSsidStr()) && accessPoint.getSecurity() != AccessPoint.SECURITY_NONE) { if (!accessPoint.isSaved() || isDisabledByWrongPassword(accessPoint)) { onPreferenceTreeClick(preference); mOpenSsid = null; } } mAccessPointsPreferenceCategory.addPreference(preference); accessPoint.setListener(WifiSettings.this); preference.refresh(); } } removeCachedPrefs(mAccessPointsPreferenceCategory); mAddPreference.setOrder(index); mAccessPointsPreferenceCategory.addPreference(mAddPreference); setAdditionalSettingsSummaries(); if (!hasAvailableAccessPoints) { setProgressBarVisible(true); Preference pref = new Preference(getPrefContext()); pref.setSelectable(false); pref.setSummary(R.string.wifi_empty_list_wifi_on); pref.setOrder(index++); pref.setKey(PREF_KEY_EMPTY_WIFI_LIST); mAccessPointsPreferenceCategory.addPreference(pref); } else { // Continuing showing progress bar for an additional delay to overlap with animation getView().postDelayed(mHideProgressBarRunnable, 1700 /* delay millis */); } } @NonNull private LongPressAccessPointPreference createLongPressAccessPointPreference( AccessPoint accessPoint) { return new LongPressAccessPointPreference(accessPoint, getPrefContext(), mUserBadgeCache, false /* forSavedNetworks */, R.drawable.ic_wifi_signal_0, this); } @NonNull private ConnectedAccessPointPreference createConnectedAccessPointPreference( AccessPoint accessPoint) { return new ConnectedAccessPointPreference(accessPoint, getPrefContext(), mUserBadgeCache, R.drawable.ic_wifi_signal_0, false /* forSavedNetworks */); } /** * Configure the ConnectedAccessPointPreferenceCategory and return true if the Category was * shown. */ private boolean configureConnectedAccessPointPreferenceCategory( List<AccessPoint> accessPoints) { if (accessPoints.size() == 0) { removeConnectedAccessPointPreference(); return false; } AccessPoint connectedAp = accessPoints.get(0); if (!connectedAp.isActive()) { removeConnectedAccessPointPreference(); return false; } // Is the preference category empty? if (mConnectedAccessPointPreferenceCategory.getPreferenceCount() == 0) { addConnectedAccessPointPreference(connectedAp); return true; } // Is the previous currently connected SSID different from the new one? ConnectedAccessPointPreference preference = (ConnectedAccessPointPreference) (mConnectedAccessPointPreferenceCategory.getPreference(0)); // The AccessPoints need to be the same reference to ensure that updates are reflected // in the UI. if (preference.getAccessPoint() != connectedAp) { removeConnectedAccessPointPreference(); addConnectedAccessPointPreference(connectedAp); return true; } // Else same AP is connected, simply refresh the connected access point preference // (first and only access point in this category). preference.refresh(); // Update any potential changes to the connected network and ensure that the callback is // registered after an onStop lifecycle event. registerCaptivePortalNetworkCallback(getCurrentWifiNetwork(), preference); return true; } /** * Creates a Preference for the given {@link AccessPoint} and adds it to the * {@link #mConnectedAccessPointPreferenceCategory}. */ private void addConnectedAccessPointPreference(AccessPoint connectedAp) { final ConnectedAccessPointPreference pref = createConnectedAccessPointPreference(connectedAp); registerCaptivePortalNetworkCallback(getCurrentWifiNetwork(), pref); // Launch details page or captive portal on click. pref.setOnPreferenceClickListener( preference -> { pref.getAccessPoint().saveWifiState(pref.getExtras()); if (mCaptivePortalNetworkCallback != null && mCaptivePortalNetworkCallback.isCaptivePortal()) { mConnectivityManager.startCaptivePortalApp( mCaptivePortalNetworkCallback.getNetwork()); } else { launchNetworkDetailsFragment(pref); } return true; }); pref.setOnGearClickListener( preference -> { pref.getAccessPoint().saveWifiState(pref.getExtras()); launchNetworkDetailsFragment(pref); }); pref.refresh(); mConnectedAccessPointPreferenceCategory.addPreference(pref); mConnectedAccessPointPreferenceCategory.setVisible(true); if (mClickedConnect) { mClickedConnect = false; scrollToPreference(mConnectedAccessPointPreferenceCategory); } } private void registerCaptivePortalNetworkCallback( Network wifiNetwork, ConnectedAccessPointPreference pref) { if (wifiNetwork == null || pref == null) { Log.w(TAG, "Network or Preference were null when registering callback."); return; } if (mCaptivePortalNetworkCallback != null && mCaptivePortalNetworkCallback.isSameNetworkAndPreference(wifiNetwork, pref)) { return; } unregisterCaptivePortalNetworkCallback(); mCaptivePortalNetworkCallback = new CaptivePortalNetworkCallback(wifiNetwork, pref); mConnectivityManager.registerNetworkCallback( new NetworkRequest.Builder() .clearCapabilities() .addTransportType(TRANSPORT_WIFI) .build(), mCaptivePortalNetworkCallback, new Handler(Looper.getMainLooper())); } private void unregisterCaptivePortalNetworkCallback() { if (mCaptivePortalNetworkCallback != null) { try { mConnectivityManager.unregisterNetworkCallback(mCaptivePortalNetworkCallback); } catch (RuntimeException e) { Log.e(TAG, "Unregistering CaptivePortalNetworkCallback failed.", e); } mCaptivePortalNetworkCallback = null; } } private void launchNetworkDetailsFragment(ConnectedAccessPointPreference pref) { new SubSettingLauncher(getContext()) .setTitle(R.string.pref_title_network_details) .setDestination(WifiNetworkDetailsFragment.class.getName()) .setArguments(pref.getExtras()) .setSourceMetricsCategory(getMetricsCategory()) .launch(); } private Network getCurrentWifiNetwork() { return mWifiManager != null ? mWifiManager.getCurrentNetwork() : null; } /** Removes all preferences and hide the {@link #mConnectedAccessPointPreferenceCategory}. */ private void removeConnectedAccessPointPreference() { mConnectedAccessPointPreferenceCategory.removeAll(); mConnectedAccessPointPreferenceCategory.setVisible(false); unregisterCaptivePortalNetworkCallback(); } private void setAdditionalSettingsSummaries() { mAdditionalSettingsPreferenceCategory.addPreference(mConfigureWifiSettingsPreference); mConfigureWifiSettingsPreference.setSummary(getString( isWifiWakeupEnabled() ? R.string.wifi_configure_settings_preference_summary_wakeup_on : R.string.wifi_configure_settings_preference_summary_wakeup_off)); int numSavedNetworks = mWifiTracker.getNumSavedNetworks(); if (numSavedNetworks > 0) { mAdditionalSettingsPreferenceCategory.addPreference(mSavedNetworksPreference); mSavedNetworksPreference.setSummary( getResources().getQuantityString(R.plurals.wifi_saved_access_points_summary, numSavedNetworks, numSavedNetworks)); } else { mAdditionalSettingsPreferenceCategory.removePreference(mSavedNetworksPreference); } } private boolean isWifiWakeupEnabled() { PowerManager powerManager = (PowerManager) getSystemService(Context.POWER_SERVICE); ContentResolver contentResolver = getContentResolver(); return Settings.Global.getInt(contentResolver, Settings.Global.WIFI_WAKEUP_ENABLED, 0) == 1 && Settings.Global.getInt(contentResolver, Settings.Global.WIFI_SCAN_ALWAYS_AVAILABLE, 0) == 1 && Settings.Global.getInt(contentResolver, Settings.Global.AIRPLANE_MODE_ON, 0) == 0 && !powerManager.isPowerSaveMode(); } private void setOffMessage() { final CharSequence title = getText(R.string.wifi_empty_list_wifi_off); // Don't use WifiManager.isScanAlwaysAvailable() to check the Wi-Fi scanning mode. Instead, // read the system settings directly. Because when the device is in Airplane mode, even if // Wi-Fi scanning mode is on, WifiManager.isScanAlwaysAvailable() still returns "off". final boolean wifiScanningMode = Settings.Global.getInt(getActivity().getContentResolver(), Settings.Global.WIFI_SCAN_ALWAYS_AVAILABLE, 0) == 1; final CharSequence description = wifiScanningMode ? getText(R.string.wifi_scan_notify_text) : getText(R.string.wifi_scan_notify_text_scanning_off); final LinkifyUtils.OnClickListener clickListener = () -> new SubSettingLauncher(getContext()) .setDestination(ScanningSettings.class.getName()) .setTitle(R.string.location_scanning_screen_title) .setSourceMetricsCategory(getMetricsCategory()) .launch(); mStatusMessagePreference.setText(title, description, clickListener); removeConnectedAccessPointPreference(); mAccessPointsPreferenceCategory.removeAll(); mAccessPointsPreferenceCategory.addPreference(mStatusMessagePreference); } private void addMessagePreference(int messageId) { mStatusMessagePreference.setTitle(messageId); removeConnectedAccessPointPreference(); mAccessPointsPreferenceCategory.removeAll(); mAccessPointsPreferenceCategory.addPreference(mStatusMessagePreference); } protected void setProgressBarVisible(boolean visible) { if (mProgressHeader != null) { mProgressHeader.setVisibility(visible ? View.VISIBLE : View.GONE); } } /** * Renames/replaces "Next" button when appropriate. "Next" button usually exists in * Wifi setup screens, not in usual wifi settings screen. * * @param enabled true when the device is connected to a wifi network. */ private void changeNextButtonState(boolean enabled) { if (mEnableNextOnConnection && hasNextButton()) { getNextButton().setEnabled(enabled); } } @Override public void onForget(WifiDialog dialog) { forget(); } @Override public void onSubmit(WifiDialog dialog) { if (mDialog != null) { submit(mDialog.getController()); } } /* package */ void submit(WifiConfigController configController) { final WifiConfiguration config = configController.getConfig(); if (config == null) { if (mSelectedAccessPoint != null && mSelectedAccessPoint.isSaved()) { connect(mSelectedAccessPoint.getConfig(), true /* isSavedNetwork */); } } else if (configController.getMode() == WifiConfigUiBase.MODE_MODIFY) { mWifiManager.save(config, mSaveListener); } else { mWifiManager.save(config, mSaveListener); if (mSelectedAccessPoint != null) { // Not an "Add network" connect(config, false /* isSavedNetwork */); } } mWifiTracker.resumeScanning(); } /* package */ void forget() { mMetricsFeatureProvider.action(getActivity(), MetricsEvent.ACTION_WIFI_FORGET); if (!mSelectedAccessPoint.isSaved()) { if (mSelectedAccessPoint.getNetworkInfo() != null && mSelectedAccessPoint.getNetworkInfo().getState() != State.DISCONNECTED) { // Network is active but has no network ID - must be ephemeral. mWifiManager.disableEphemeralNetwork( AccessPoint.convertToQuotedString(mSelectedAccessPoint.getSsidStr())); } else { // Should not happen, but a monkey seems to trigger it Log.e(TAG, "Failed to forget invalid network " + mSelectedAccessPoint.getConfig()); return; } } else if (mSelectedAccessPoint.getConfig().isPasspoint()) { mWifiManager.removePasspointConfiguration(mSelectedAccessPoint.getConfig().FQDN); } else { mWifiManager.forget(mSelectedAccessPoint.getConfig().networkId, mForgetListener); } mWifiTracker.resumeScanning(); // We need to rename/replace "Next" button in wifi setup context. changeNextButtonState(false); } protected void connect(final WifiConfiguration config, boolean isSavedNetwork) { // Log subtype if configuration is a saved network. mMetricsFeatureProvider.action(getVisibilityLogger(), MetricsEvent.ACTION_WIFI_CONNECT, isSavedNetwork); mWifiManager.connect(config, mConnectListener); mClickedConnect = true; } protected void connect(final int networkId, boolean isSavedNetwork) { // Log subtype if configuration is a saved network. mMetricsFeatureProvider.action(getActivity(), MetricsEvent.ACTION_WIFI_CONNECT, isSavedNetwork); mWifiManager.connect(networkId, mConnectListener); } /** * Called when "add network" button is pressed. */ /* package */ void onAddNetworkPressed() { mMetricsFeatureProvider.action(getActivity(), MetricsEvent.ACTION_WIFI_ADD_NETWORK); // No exact access point is selected. mSelectedAccessPoint = null; showDialog(null, WifiConfigUiBase.MODE_CONNECT); } @Override public int getHelpResource() { return R.string.help_url_wifi; } @Override public void onAccessPointChanged(final AccessPoint accessPoint) { Log.d(TAG, "onAccessPointChanged (singular) callback initiated"); View view = getView(); if (view != null) { view.post(new Runnable() { @Override public void run() { Object tag = accessPoint.getTag(); if (tag != null) { ((AccessPointPreference) tag).refresh(); } } }); } } @Override public void onLevelChanged(AccessPoint accessPoint) { ((AccessPointPreference) accessPoint.getTag()).onLevelChanged(); } public static final SearchIndexProvider SEARCH_INDEX_DATA_PROVIDER = new BaseSearchIndexProvider() { @Override public List<SearchIndexableRaw> getRawDataToIndex(Context context, boolean enabled) { final List<SearchIndexableRaw> result = new ArrayList<>(); final Resources res = context.getResources(); // Add fragment title if we are showing this fragment if (res.getBoolean(R.bool.config_show_wifi_settings)) { SearchIndexableRaw data = new SearchIndexableRaw(context); data.title = res.getString(R.string.wifi_settings); data.screenTitle = res.getString(R.string.wifi_settings); data.keywords = res.getString(R.string.keywords_wifi); data.key = DATA_KEY_REFERENCE; result.add(data); } return result; } }; private static class SummaryProvider implements SummaryLoader.SummaryProvider, OnSummaryChangeListener { private final Context mContext; private final SummaryLoader mSummaryLoader; @VisibleForTesting WifiSummaryUpdater mSummaryHelper; public SummaryProvider(Context context, SummaryLoader summaryLoader) { mContext = context; mSummaryLoader = summaryLoader; mSummaryHelper = new WifiSummaryUpdater(mContext, this); } @Override public void setListening(boolean listening) { mSummaryHelper.register(listening); } @Override public void onSummaryChanged(String summary) { mSummaryLoader.setSummary(this, summary); } } public static final SummaryLoader.SummaryProviderFactory SUMMARY_PROVIDER_FACTORY = new SummaryLoader.SummaryProviderFactory() { @Override public SummaryLoader.SummaryProvider createSummaryProvider(Activity activity, SummaryLoader summaryLoader) { return new SummaryProvider(activity, summaryLoader); } }; }