/* * 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 android.app.Activity; import android.app.Dialog; import android.app.admin.DevicePolicyManager; import android.content.BroadcastReceiver; import android.content.ComponentName; import android.content.ContentResolver; import android.content.Context; import android.content.Intent; import android.content.IntentFilter; import android.content.pm.PackageManager; import android.content.pm.PackageManager.NameNotFoundException; import android.content.res.Resources; import android.net.ConnectivityManager; import android.net.NetworkInfo; import android.net.NetworkInfo.State; import android.net.wifi.WifiConfiguration; import android.net.wifi.WifiManager; import android.net.wifi.WpsInfo; import android.nfc.NfcAdapter; import android.os.Bundle; import android.os.HandlerThread; import android.os.Process; import android.provider.Settings; import android.support.v7.preference.Preference; import android.support.v7.preference.PreferenceViewHolder; import android.text.Spannable; import android.text.style.TextAppearanceSpan; import android.util.Log; import android.view.ContextMenu; import android.view.ContextMenu.ContextMenuInfo; import android.view.Menu; import android.view.MenuInflater; import android.view.MenuItem; import android.view.View; import android.widget.ProgressBar; import android.widget.TextView; import android.widget.TextView.BufferType; import android.widget.Toast; import com.android.internal.logging.MetricsLogger; import com.android.internal.logging.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.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.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.WifiStatusTracker; import com.android.settingslib.wifi.WifiTracker; import java.util.ArrayList; import java.util.Collection; import java.util.List; import static android.os.UserManager.DISALLOW_CONFIG_WIFI; /** * 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"; /* package */ static final int MENU_ID_WPS_PBC = Menu.FIRST; private static final int MENU_ID_WPS_PIN = Menu.FIRST + 1; private static final int MENU_ID_ADVANCED = Menu.FIRST + 4; private static final int MENU_ID_SCAN = Menu.FIRST + 5; 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; private static final int MENU_ID_CONFIGURE = Menu.FIRST + 10; public static final int WIFI_DIALOG_ID = 1; /* package */ static final int WPS_PBC_DIALOG_ID = 2; private static final int WPS_PIN_DIALOG_ID = 3; 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"; protected WifiManager mWifiManager; private WifiManager.ActionListener mConnectListener; private WifiManager.ActionListener mSaveListener; private WifiManager.ActionListener mForgetListener; private WifiEnabler mWifiEnabler; // An access point being editted is stored here. private AccessPoint mSelectedAccessPoint; private WifiDialog mDialog; private WriteWifiConfigToNfcDialog mWifiToNfcDialog; private ProgressBar 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. private 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 HandlerThread mBgThread; private AccessPointPreference.UserBadgeCache mUserBadgeCache; private Preference mAddPreference; private MenuItem mScanMenuItem; /* 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 = (ProgressBar) setPinnedHeaderView(R.layout.wifi_progress_header); } } @Override public void onCreate(Bundle icicle) { super.onCreate(icicle); addPreferencesFromResource(R.xml.wifi_settings); mAddPreference = new Preference(getContext()); mAddPreference.setIcon(R.drawable.ic_menu_add_inset); mAddPreference.setTitle(R.string.wifi_add_network); mUserBadgeCache = new AccessPointPreference.UserBadgeCache(getPackageManager()); mBgThread = new HandlerThread(TAG, Process.THREAD_PRIORITY_BACKGROUND); mBgThread.start(); } @Override public void onDestroy() { mBgThread.quit(); super.onDestroy(); } @Override public void onActivityCreated(Bundle savedInstanceState) { super.onActivityCreated(savedInstanceState); mWifiTracker = new WifiTracker(getActivity(), this, mBgThread.getLooper(), true, true, false); mWifiManager = mWifiTracker.getManager(); 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); onAccessPointsChanged(); } } @Override public void onDestroyView() { super.onDestroyView(); if (mWifiEnabler != null) { mWifiEnabler.teardownSwitchBar(); } } @Override public void onStart() { super.onStart(); // On/off switch is hidden for Setup Wizard (returns null) mWifiEnabler = createWifiEnabler(); } /** * @return new WifiEnabler or null (as overridden by WifiSettingsForSetupWizard) */ /* package */ WifiEnabler createWifiEnabler() { final SettingsActivity activity = (SettingsActivity) getActivity(); return new WifiEnabler(activity, activity.getSwitchBar()); } @Override public void onResume() { final Activity activity = getActivity(); super.onResume(); removePreference("dummy"); if (mWifiEnabler != null) { mWifiEnabler.resume(activity); } mWifiTracker.startTracking(); activity.invalidateOptionsMenu(); } @Override public void onPause() { super.onPause(); if (mWifiEnabler != null) { mWifiEnabler.pause(); } mWifiTracker.stopTracking(); } @Override public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) { // If the user is not allowed to configure wifi, do not show the menu. if (isUiRestricted()) return; addOptionsMenuItems(menu); super.onCreateOptionsMenu(menu, inflater); } /** * @param menu */ void addOptionsMenuItems(Menu menu) { final boolean wifiIsEnabled = mWifiTracker.isWifiEnabled(); mScanMenuItem = menu.add(Menu.NONE, MENU_ID_SCAN, 0, R.string.menu_stats_refresh); mScanMenuItem.setEnabled(wifiIsEnabled) .setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER); menu.add(Menu.NONE, MENU_ID_ADVANCED, 0, R.string.wifi_menu_advanced) .setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER); menu.add(Menu.NONE, MENU_ID_CONFIGURE, 0, R.string.wifi_menu_configure) .setIcon(R.drawable.ic_settings_24dp) .setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM); } @Override protected 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 boolean onOptionsItemSelected(MenuItem item) { // If the user is not allowed to configure wifi, do not handle menu selections. if (isUiRestricted()) return false; switch (item.getItemId()) { case MENU_ID_WPS_PBC: showDialog(WPS_PBC_DIALOG_ID); return true; /* case MENU_ID_P2P: if (getActivity() instanceof SettingsActivity) { ((SettingsActivity) getActivity()).startPreferencePanel( WifiP2pSettings.class.getCanonicalName(), null, R.string.wifi_p2p_settings_title, null, this, 0); } else { startFragment(this, WifiP2pSettings.class.getCanonicalName(), R.string.wifi_p2p_settings_title, -1, null); } return true; */ case MENU_ID_WPS_PIN: showDialog(WPS_PIN_DIALOG_ID); return true; case MENU_ID_SCAN: MetricsLogger.action(getActivity(), MetricsEvent.ACTION_WIFI_FORCE_SCAN); mWifiTracker.forceScan(); return true; case MENU_ID_ADVANCED: if (getActivity() instanceof SettingsActivity) { ((SettingsActivity) getActivity()).startPreferencePanel( AdvancedWifiSettings.class.getCanonicalName(), null, R.string.wifi_advanced_titlebar, null, this, 0); } else { startFragment(this, AdvancedWifiSettings.class.getCanonicalName(), R.string.wifi_advanced_titlebar, -1 /* Do not request a results */, null); } return true; case MENU_ID_CONFIGURE: if (getActivity() instanceof SettingsActivity) { ((SettingsActivity) getActivity()).startPreferencePanel( ConfigureWifiSettings.class.getCanonicalName(), null, R.string.wifi_configure_titlebar, null, this, 0); } else { startFragment(this, ConfigureWifiSettings.class.getCanonicalName(), R.string.wifi_configure_titlebar, -1 /* Do not request a results */, null); } return true; } return super.onOptionsItemSelected(item); } @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 (isEditabilityLockedDown(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: { if (mSelectedAccessPoint.isSaved()) { connect(mSelectedAccessPoint.getConfig()); } else if (mSelectedAccessPoint.getSecurity() == AccessPoint.SECURITY_NONE) { /** Bypass dialog for unsecured networks */ mSelectedAccessPoint.generateOpenNetworkConfig(); connect(mSelectedAccessPoint.getConfig()); } 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 (preference instanceof LongPressAccessPointPreference) { mSelectedAccessPoint = ((LongPressAccessPointPreference) preference).getAccessPoint(); if (mSelectedAccessPoint == null) { return false; } /** Bypass dialog for unsecured, unsaved, and inactive networks */ if (mSelectedAccessPoint.getSecurity() == AccessPoint.SECURITY_NONE && !mSelectedAccessPoint.isSaved() && !mSelectedAccessPoint.isActive()) { mSelectedAccessPoint.generateOpenNetworkConfig(); connect(mSelectedAccessPoint.getConfig()); } else if (mSelectedAccessPoint.isSaved()) { showDialog(mSelectedAccessPoint, WifiConfigUiBase.MODE_VIEW); } 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 (isEditabilityLockedDown(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: AccessPoint ap = mDlgAccessPoint; // For manual launch if (ap == null) { // For re-launch from saved state if (mAccessPointSavedState != null) { ap = new AccessPoint(getActivity(), mAccessPointSavedState); // For repeated orientation changes mDlgAccessPoint = ap; // Reset the saved access point data mAccessPointSavedState = null; } } // If it's null, fine, it's for Add Network mSelectedAccessPoint = ap; mDialog = new WifiDialog(getActivity(), this, ap, mDialogMode, /* no hide submit/connect */ false); return mDialog; case WPS_PBC_DIALOG_ID: return new WpsDialog(getActivity(), WpsInfo.PBC); case WPS_PIN_DIALOG_ID: return new WpsDialog(getActivity(), WpsInfo.DISPLAY); case WRITE_NFC_DIALOG_ID: if (mSelectedAccessPoint != null) { mWifiToNfcDialog = new WriteWifiConfigToNfcDialog( getActivity(), mSelectedAccessPoint.getConfig().networkId, mSelectedAccessPoint.getSecurity(), mWifiManager); } else if (mWifiNfcDialogSavedState != null) { mWifiToNfcDialog = new WriteWifiConfigToNfcDialog( getActivity(), mWifiNfcDialogSavedState, mWifiManager); } return mWifiToNfcDialog; } return super.onCreateDialog(dialogId); } /** * Shows the latest access points available with supplemental information like * the strength of network and the security for it. */ @Override public void onAccessPointsChanged() { // Safeguard from some delayed event handling if (getActivity() == null) return; if (isUiRestricted()) { if (!isUiRestrictedByOnlyAdmin()) { addMessagePreference(R.string.wifi_empty_list_user_restricted); } getPreferenceScreen().removeAll(); return; } final int wifiState = mWifiManager.getWifiState(); switch (wifiState) { case WifiManager.WIFI_STATE_ENABLED: // AccessPoints are automatically sorted with TreeSet. final Collection accessPoints = mWifiTracker.getAccessPoints(); getPreferenceScreen().removeAll(); boolean hasAvailableAccessPoints = false; int index = 0; cacheRemoveAllPrefs(getPreferenceScreen()); for (AccessPoint accessPoint : accessPoints) { // Ignore access points that are out of range. if (accessPoint.getLevel() != -1) { String key = accessPoint.getBssid(); hasAvailableAccessPoints = true; LongPressAccessPointPreference pref = (LongPressAccessPointPreference) getCachedPreference(key); if (pref != null) { pref.setOrder(index++); continue; } LongPressAccessPointPreference preference = new LongPressAccessPointPreference(accessPoint, getPrefContext(), mUserBadgeCache, false, this); preference.setKey(key); preference.setOrder(index++); if (mOpenSsid != null && mOpenSsid.equals(accessPoint.getSsidStr()) && !accessPoint.isSaved() && accessPoint.getSecurity() != AccessPoint.SECURITY_NONE) { onPreferenceTreeClick(preference); mOpenSsid = null; } getPreferenceScreen().addPreference(preference); accessPoint.setListener(this); } } removeCachedPrefs(getPreferenceScreen()); if (!hasAvailableAccessPoints) { setProgressBarVisible(true); Preference pref = new Preference(getContext()) { @Override public void onBindViewHolder(PreferenceViewHolder holder) { super.onBindViewHolder(holder); // Show a line on each side of add network. holder.setDividerAllowedBelow(true); } }; pref.setSelectable(false); pref.setSummary(R.string.wifi_empty_list_wifi_on); pref.setOrder(0); getPreferenceScreen().addPreference(pref); mAddPreference.setOrder(1); getPreferenceScreen().addPreference(mAddPreference); } else { mAddPreference.setOrder(index++); getPreferenceScreen().addPreference(mAddPreference); setProgressBarVisible(false); } if (mScanMenuItem != null) { mScanMenuItem.setEnabled(true); } break; case WifiManager.WIFI_STATE_ENABLING: getPreferenceScreen().removeAll(); setProgressBarVisible(true); break; case WifiManager.WIFI_STATE_DISABLING: addMessagePreference(R.string.wifi_stopping); setProgressBarVisible(true); break; case WifiManager.WIFI_STATE_DISABLED: setOffMessage(); setProgressBarVisible(false); if (mScanMenuItem != null) { mScanMenuItem.setEnabled(false); } break; } } private void setOffMessage() { if (isUiRestricted()) { if (!isUiRestrictedByOnlyAdmin()) { addMessagePreference(R.string.wifi_empty_list_user_restricted); } getPreferenceScreen().removeAll(); return; } TextView emptyTextView = getEmptyTextView(); if (emptyTextView == null) { return; } final CharSequence briefText = 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 ContentResolver resolver = getActivity().getContentResolver(); final boolean wifiScanningMode = Settings.Global.getInt( resolver, Settings.Global.WIFI_SCAN_ALWAYS_AVAILABLE, 0) == 1; if (!wifiScanningMode) { // Show only the brief text if the user is not allowed to configure scanning settings, // or the scanning mode has been turned off. emptyTextView.setText(briefText, BufferType.SPANNABLE); } else { // Append the description of scanning settings with link. final StringBuilder contentBuilder = new StringBuilder(); contentBuilder.append(briefText); contentBuilder.append("\n\n"); contentBuilder.append(getText(R.string.wifi_scan_notify_text)); LinkifyUtils.linkify(emptyTextView, contentBuilder, new LinkifyUtils.OnClickListener() { @Override public void onClick() { final SettingsActivity activity = (SettingsActivity) WifiSettings.this.getActivity(); activity.startPreferencePanel(ScanningSettings.class.getName(), null, R.string.location_scanning_screen_title, null, null, 0); } }); } // Embolden and enlarge the brief description anyway. Spannable boldSpan = (Spannable) emptyTextView.getText(); boldSpan.setSpan( new TextAppearanceSpan(getActivity(), android.R.style.TextAppearance_Medium), 0, briefText.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); getPreferenceScreen().removeAll(); } private void addMessagePreference(int messageId) { TextView emptyTextView = getEmptyTextView(); if (emptyTextView != null) emptyTextView.setText(messageId); getPreferenceScreen().removeAll(); } protected void setProgressBarVisible(boolean visible) { if (mProgressHeader != null) { mProgressHeader.setVisibility(visible ? View.VISIBLE : View.GONE); } } @Override public void onWifiStateChanged(int state) { switch (state) { case WifiManager.WIFI_STATE_ENABLING: addMessagePreference(R.string.wifi_starting); setProgressBarVisible(true); break; case WifiManager.WIFI_STATE_DISABLED: setOffMessage(); setProgressBarVisible(false); break; } } @Override public void onConnectedChanged() { changeNextButtonState(mWifiTracker.isConnected()); } /** * 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()); } } 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); } } mWifiTracker.resumeScanning(); } /* package */ void forget() { MetricsLogger.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 { 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) { MetricsLogger.action(getActivity(), MetricsEvent.ACTION_WIFI_CONNECT); mWifiManager.connect(config, mConnectListener); } protected void connect(final int networkId) { MetricsLogger.action(getActivity(), MetricsEvent.ACTION_WIFI_CONNECT); mWifiManager.connect(networkId, mConnectListener); } /** * Called when "add network" button is pressed. */ /* package */ void onAddNetworkPressed() { MetricsLogger.action(getActivity(), MetricsEvent.ACTION_WIFI_ADD_NETWORK); // No exact access point is selected. mSelectedAccessPoint = null; showDialog(null, WifiConfigUiBase.MODE_CONNECT); } @Override protected int getHelpResource() { return R.string.help_url_wifi; } @Override public void onAccessPointChanged(AccessPoint accessPoint) { ((LongPressAccessPointPreference) accessPoint.getTag()).refresh(); } @Override public void onLevelChanged(AccessPoint accessPoint) { ((LongPressAccessPointPreference) accessPoint.getTag()).onLevelChanged(); } public static final SearchIndexProvider SEARCH_INDEX_DATA_PROVIDER = new BaseSearchIndexProvider() { @Override public List getRawDataToIndex(Context context, boolean enabled) { final List result = new ArrayList<>(); final Resources res = context.getResources(); // Add fragment title 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); result.add(data); // Add saved Wi-Fi access points final Collection accessPoints = WifiTracker.getCurrentAccessPoints(context, true, false, false); for (AccessPoint accessPoint : accessPoints) { data = new SearchIndexableRaw(context); data.title = accessPoint.getSsidStr(); data.screenTitle = res.getString(R.string.wifi_settings); data.enabled = enabled; result.add(data); } return result; } }; /** * Returns true if the config is not editable through Settings. * @param context Context of caller * @param config The WiFi config. * @return true if the config is not editable through Settings. */ static boolean isEditabilityLockedDown(Context context, WifiConfiguration config) { return !canModifyNetwork(context, config); } /** * This method is a stripped version of WifiConfigStore.canModifyNetwork. * TODO: refactor to have only one method. * @param context Context of caller * @param config The WiFi config. * @return true if Settings can modify the config. */ static boolean canModifyNetwork(Context context, WifiConfiguration config) { if (config == null) { return true; } final DevicePolicyManager dpm = (DevicePolicyManager) context.getSystemService( Context.DEVICE_POLICY_SERVICE); // Check if device has DPM capability. If it has and dpm is still null, then we // treat this case with suspicion and bail out. final PackageManager pm = context.getPackageManager(); if (pm.hasSystemFeature(PackageManager.FEATURE_DEVICE_ADMIN) && dpm == null) { return false; } boolean isConfigEligibleForLockdown = false; if (dpm != null) { final ComponentName deviceOwner = dpm.getDeviceOwnerComponentOnAnyUser(); if (deviceOwner != null) { final int deviceOwnerUserId = dpm.getDeviceOwnerUserId(); try { final int deviceOwnerUid = pm.getPackageUidAsUser(deviceOwner.getPackageName(), deviceOwnerUserId); isConfigEligibleForLockdown = deviceOwnerUid == config.creatorUid; } catch (NameNotFoundException e) { // don't care } } } if (!isConfigEligibleForLockdown) { return true; } final ContentResolver resolver = context.getContentResolver(); final boolean isLockdownFeatureEnabled = Settings.Global.getInt(resolver, Settings.Global.WIFI_DEVICE_OWNER_CONFIGS_LOCKDOWN, 0) != 0; return !isLockdownFeatureEnabled; } private static class SummaryProvider extends BroadcastReceiver implements SummaryLoader.SummaryProvider { private final Context mContext; private final WifiManager mWifiManager; private final WifiStatusTracker mWifiTracker; private final SummaryLoader mSummaryLoader; public SummaryProvider(Context context, SummaryLoader summaryLoader) { mContext = context; mSummaryLoader = summaryLoader; mWifiManager = context.getSystemService(WifiManager.class); mWifiTracker = new WifiStatusTracker(mWifiManager); } private CharSequence getSummary() { if (!mWifiTracker.enabled) { return mContext.getString(R.string.wifi_disabled_generic); } if (!mWifiTracker.connected) { return mContext.getString(R.string.disconnected); } return mWifiTracker.ssid; } @Override public void setListening(boolean listening) { if (listening) { IntentFilter filter = new IntentFilter(); filter.addAction(WifiManager.WIFI_STATE_CHANGED_ACTION); filter.addAction(WifiManager.NETWORK_STATE_CHANGED_ACTION); filter.addAction(WifiManager.RSSI_CHANGED_ACTION); mSummaryLoader.registerReceiver(this, filter); } } @Override public void onReceive(Context context, Intent intent) { mWifiTracker.handleBroadcast(intent); mSummaryLoader.setSummary(this, getSummary()); } } 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); } }; }