| /* |
| * 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.TextUtils; |
| 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"; |
| |
| private static final String PREF_KEY_EMPTY_WIFI_LIST = "wifi_empty_list"; |
| |
| 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<AccessPoint> accessPoints = |
| mWifiTracker.getAccessPoints(); |
| |
| 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(); |
| if (TextUtils.isEmpty(key)) { |
| key = accessPoint.getSsidStr(); |
| } |
| 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); |
| pref.setKey(PREF_KEY_EMPTY_WIFI_LIST); |
| 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<SearchIndexableRaw> getRawDataToIndex(Context context, boolean enabled) { |
| final List<SearchIndexableRaw> 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<AccessPoint> 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); |
| } |
| }; |
| } |
