| /* |
| * 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.wifi.WifiConfiguration.INVALID_NETWORK_ID; |
| import static android.os.UserManager.DISALLOW_CONFIG_WIFI; |
| |
| import android.app.ActionBar; |
| import android.app.Activity; |
| import android.app.AlertDialog; |
| import android.app.Dialog; |
| import android.content.BroadcastReceiver; |
| import android.content.Context; |
| import android.content.DialogInterface; |
| import android.content.Intent; |
| import android.content.IntentFilter; |
| import android.content.pm.PackageManager; |
| import android.content.res.Resources; |
| import android.location.LocationManager; |
| import android.net.ConnectivityManager; |
| import android.net.NetworkInfo; |
| import android.net.NetworkInfo.DetailedState; |
| import android.net.wifi.ScanResult; |
| import android.net.wifi.SupplicantState; |
| import android.net.wifi.WifiConfiguration; |
| import android.net.wifi.WifiInfo; |
| import android.net.wifi.WifiManager; |
| import android.net.wifi.WpsInfo; |
| import android.os.Bundle; |
| import android.os.Handler; |
| import android.os.Message; |
| import android.os.UserManager; |
| import android.preference.Preference; |
| import android.preference.PreferenceActivity; |
| import android.preference.PreferenceScreen; |
| import android.provider.Settings; |
| import android.telephony.TelephonyManager; |
| import android.util.AttributeSet; |
| import android.util.Log; |
| import android.view.ContextMenu; |
| import android.view.ContextMenu.ContextMenuInfo; |
| import android.view.Gravity; |
| import android.view.LayoutInflater; |
| import android.view.Menu; |
| import android.view.MenuInflater; |
| import android.view.MenuItem; |
| import android.view.View; |
| import android.view.View.OnClickListener; |
| import android.view.ViewGroup; |
| import android.widget.AdapterView.AdapterContextMenuInfo; |
| import android.widget.Button; |
| import android.widget.ImageButton; |
| import android.widget.PopupMenu; |
| import android.widget.PopupMenu.OnMenuItemClickListener; |
| import android.widget.RelativeLayout; |
| import android.widget.Switch; |
| import android.widget.TextView; |
| import android.widget.Toast; |
| |
| import com.android.settings.R; |
| import com.android.settings.SettingsPreferenceFragment; |
| import com.android.settings.wifi.p2p.WifiP2pSettings; |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.concurrent.atomic.AtomicBoolean; |
| |
| /** |
| * 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 SettingsPreferenceFragment |
| implements DialogInterface.OnClickListener { |
| private static final String TAG = "WifiSettings"; |
| private 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_P2P = Menu.FIRST + 2; |
| private static final int MENU_ID_ADD_NETWORK = Menu.FIRST + 3; |
| 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 WIFI_DIALOG_ID = 1; |
| private static final int WPS_PBC_DIALOG_ID = 2; |
| private static final int WPS_PIN_DIALOG_ID = 3; |
| private static final int WIFI_SKIPPED_DIALOG_ID = 4; |
| private static final int WIFI_AND_MOBILE_SKIPPED_DIALOG_ID = 5; |
| |
| // Combo scans can take 5-6s to complete - set to 10s. |
| private static final int WIFI_RESCAN_INTERVAL_MS = 10 * 1000; |
| |
| // Instance state keys |
| private static final String SAVE_DIALOG_EDIT_MODE = "edit_mode"; |
| private static final String SAVE_DIALOG_ACCESS_POINT_STATE = "wifi_ap_state"; |
| |
| // Activity result when pressing the Skip button |
| private static final int RESULT_SKIP = Activity.RESULT_FIRST_USER; |
| |
| private final IntentFilter mFilter; |
| private final BroadcastReceiver mReceiver; |
| private final Scanner mScanner; |
| |
| private WifiManager mWifiManager; |
| private WifiManager.ActionListener mConnectListener; |
| private WifiManager.ActionListener mSaveListener; |
| private WifiManager.ActionListener mForgetListener; |
| private boolean mP2pSupported; |
| |
| |
| private UserManager mUserManager; |
| |
| private WifiEnabler mWifiEnabler; |
| // An access point being editted is stored here. |
| private AccessPoint mSelectedAccessPoint; |
| |
| private DetailedState mLastState; |
| private WifiInfo mLastInfo; |
| |
| private AtomicBoolean mConnected = new AtomicBoolean(false); |
| |
| private WifiDialog mDialog; |
| |
| private TextView mEmptyView; |
| |
| /* Used in Wifi Setup context */ |
| |
| // this boolean extra specifies whether to disable the Next button when not connected |
| private static final String EXTRA_ENABLE_NEXT_ON_CONNECT = "wifi_enable_next_on_connect"; |
| |
| // this boolean extra specifies whether to auto finish when connection is established |
| private static final String EXTRA_AUTO_FINISH_ON_CONNECT = "wifi_auto_finish_on_connect"; |
| |
| // this boolean extra shows a custom button that we can control |
| protected static final String EXTRA_SHOW_CUSTOM_BUTTON = "wifi_show_custom_button"; |
| |
| // show a text regarding data charges when wifi connection is required during setup wizard |
| protected static final String EXTRA_SHOW_WIFI_REQUIRED_INFO = "wifi_show_wifi_required_info"; |
| |
| // this boolean extra is set if we are being invoked by the Setup Wizard |
| private static final String EXTRA_IS_FIRST_RUN = "firstRun"; |
| |
| // should Next button only be enabled when we have a connection? |
| private boolean mEnableNextOnConnection; |
| |
| // should activity finish once we have a connection? |
| private boolean mAutoFinishOnConnection; |
| |
| // Save the dialog details |
| private boolean mDlgEdit; |
| private AccessPoint mDlgAccessPoint; |
| private Bundle mAccessPointSavedState; |
| |
| // the action bar uses a different set of controls for Setup Wizard |
| private boolean mSetupWizardMode; |
| |
| /* End of "used in Wifi Setup context" */ |
| |
| public WifiSettings() { |
| mFilter = new IntentFilter(); |
| mFilter.addAction(WifiManager.WIFI_STATE_CHANGED_ACTION); |
| mFilter.addAction(WifiManager.SCAN_RESULTS_AVAILABLE_ACTION); |
| mFilter.addAction(WifiManager.NETWORK_IDS_CHANGED_ACTION); |
| mFilter.addAction(WifiManager.SUPPLICANT_STATE_CHANGED_ACTION); |
| mFilter.addAction(WifiManager.CONFIGURED_NETWORKS_CHANGED_ACTION); |
| mFilter.addAction(WifiManager.LINK_CONFIGURATION_CHANGED_ACTION); |
| mFilter.addAction(WifiManager.NETWORK_STATE_CHANGED_ACTION); |
| mFilter.addAction(WifiManager.RSSI_CHANGED_ACTION); |
| |
| mReceiver = new BroadcastReceiver() { |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| handleEvent(context, intent); |
| } |
| }; |
| |
| mScanner = new Scanner(); |
| } |
| |
| @Override |
| public void onCreate(Bundle icicle) { |
| // Set this flag early, as it's needed by getHelpResource(), which is called by super |
| mSetupWizardMode = getActivity().getIntent().getBooleanExtra(EXTRA_IS_FIRST_RUN, false); |
| |
| super.onCreate(icicle); |
| } |
| |
| @Override |
| public View onCreateView(final LayoutInflater inflater, ViewGroup container, |
| Bundle savedInstanceState) { |
| if (mSetupWizardMode) { |
| View view = inflater.inflate(R.layout.setup_preference, container, false); |
| View other = view.findViewById(R.id.other_network); |
| other.setOnClickListener(new OnClickListener() { |
| @Override |
| public void onClick(View v) { |
| if (mWifiManager.isWifiEnabled()) { |
| onAddNetworkPressed(); |
| } |
| } |
| }); |
| final ImageButton b = (ImageButton) view.findViewById(R.id.more); |
| if (b != null) { |
| b.setOnClickListener(new OnClickListener() { |
| @Override |
| public void onClick(View v) { |
| if (mWifiManager.isWifiEnabled()) { |
| PopupMenu pm = new PopupMenu(inflater.getContext(), b); |
| pm.inflate(R.menu.wifi_setup); |
| pm.setOnMenuItemClickListener(new OnMenuItemClickListener() { |
| @Override |
| public boolean onMenuItemClick(MenuItem item) { |
| if (R.id.wifi_wps == item.getItemId()) { |
| showDialog(WPS_PBC_DIALOG_ID); |
| return true; |
| } |
| return false; |
| } |
| }); |
| pm.show(); |
| } |
| } |
| }); |
| } |
| |
| Intent intent = getActivity().getIntent(); |
| if (intent.getBooleanExtra(EXTRA_SHOW_CUSTOM_BUTTON, false)) { |
| view.findViewById(R.id.button_bar).setVisibility(View.VISIBLE); |
| view.findViewById(R.id.back_button).setVisibility(View.INVISIBLE); |
| view.findViewById(R.id.skip_button).setVisibility(View.INVISIBLE); |
| view.findViewById(R.id.next_button).setVisibility(View.INVISIBLE); |
| |
| Button customButton = (Button) view.findViewById(R.id.custom_button); |
| customButton.setVisibility(View.VISIBLE); |
| customButton.setOnClickListener(new OnClickListener() { |
| @Override |
| public void onClick(View v) { |
| boolean isConnected = false; |
| Activity activity = getActivity(); |
| final ConnectivityManager connectivity = (ConnectivityManager) |
| activity.getSystemService(Context.CONNECTIVITY_SERVICE); |
| if (connectivity != null) { |
| final NetworkInfo info = connectivity.getActiveNetworkInfo(); |
| isConnected = (info != null) && info.isConnected(); |
| } |
| if (isConnected) { |
| // Warn of possible data charges |
| showDialog(WIFI_SKIPPED_DIALOG_ID); |
| } else { |
| // Warn of lack of updates |
| showDialog(WIFI_AND_MOBILE_SKIPPED_DIALOG_ID); |
| } |
| } |
| }); |
| } |
| |
| if (intent.getBooleanExtra(EXTRA_SHOW_WIFI_REQUIRED_INFO, false)) { |
| view.findViewById(R.id.wifi_required_info).setVisibility(View.VISIBLE); |
| } |
| |
| return view; |
| } else { |
| return super.onCreateView(inflater, container, savedInstanceState); |
| } |
| } |
| |
| @Override |
| public void onActivityCreated(Bundle savedInstanceState) { |
| super.onActivityCreated(savedInstanceState); |
| |
| mP2pSupported = getPackageManager().hasSystemFeature(PackageManager.FEATURE_WIFI_DIRECT); |
| mWifiManager = (WifiManager) getSystemService(Context.WIFI_SERVICE); |
| mUserManager = (UserManager) getSystemService(Context.USER_SERVICE); |
| |
| 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 |
| && savedInstanceState.containsKey(SAVE_DIALOG_ACCESS_POINT_STATE)) { |
| mDlgEdit = savedInstanceState.getBoolean(SAVE_DIALOG_EDIT_MODE); |
| mAccessPointSavedState = savedInstanceState.getBundle(SAVE_DIALOG_ACCESS_POINT_STATE); |
| } |
| |
| final Activity activity = getActivity(); |
| final Intent intent = activity.getIntent(); |
| |
| // first if we're supposed to finish once we have a connection |
| mAutoFinishOnConnection = intent.getBooleanExtra(EXTRA_AUTO_FINISH_ON_CONNECT, false); |
| |
| if (mAutoFinishOnConnection) { |
| // Hide the next button |
| if (hasNextButton()) { |
| getNextButton().setVisibility(View.GONE); |
| } |
| |
| final ConnectivityManager connectivity = (ConnectivityManager) |
| activity.getSystemService(Context.CONNECTIVITY_SERVICE); |
| if (connectivity != null |
| && connectivity.getNetworkInfo(ConnectivityManager.TYPE_WIFI).isConnected()) { |
| activity.setResult(Activity.RESULT_OK); |
| activity.finish(); |
| return; |
| } |
| } |
| |
| // if we're supposed to enable/disable the Next button based on our current connection |
| // state, start it off in the right state |
| mEnableNextOnConnection = intent.getBooleanExtra(EXTRA_ENABLE_NEXT_ON_CONNECT, false); |
| |
| if (mEnableNextOnConnection) { |
| if (hasNextButton()) { |
| final ConnectivityManager connectivity = (ConnectivityManager) |
| activity.getSystemService(Context.CONNECTIVITY_SERVICE); |
| if (connectivity != null) { |
| NetworkInfo info = connectivity.getNetworkInfo( |
| ConnectivityManager.TYPE_WIFI); |
| changeNextButtonState(info.isConnected()); |
| } |
| } |
| } |
| |
| addPreferencesFromResource(R.xml.wifi_settings); |
| |
| if (mSetupWizardMode) { |
| getView().setSystemUiVisibility( |
| // View.STATUS_BAR_DISABLE_BACK | |
| View.STATUS_BAR_DISABLE_HOME | |
| View.STATUS_BAR_DISABLE_RECENT | |
| View.STATUS_BAR_DISABLE_NOTIFICATION_ALERTS | |
| View.STATUS_BAR_DISABLE_CLOCK); |
| } |
| |
| // On/off switch is hidden for Setup Wizard |
| if (!mSetupWizardMode) { |
| Switch actionBarSwitch = new Switch(activity); |
| |
| if (activity instanceof PreferenceActivity) { |
| PreferenceActivity preferenceActivity = (PreferenceActivity) activity; |
| if (preferenceActivity.onIsHidingHeaders() || !preferenceActivity.onIsMultiPane()) { |
| final int padding = activity.getResources().getDimensionPixelSize( |
| R.dimen.action_bar_switch_padding); |
| actionBarSwitch.setPaddingRelative(0, 0, padding, 0); |
| activity.getActionBar().setDisplayOptions(ActionBar.DISPLAY_SHOW_CUSTOM, |
| ActionBar.DISPLAY_SHOW_CUSTOM); |
| activity.getActionBar().setCustomView(actionBarSwitch, new ActionBar.LayoutParams( |
| ActionBar.LayoutParams.WRAP_CONTENT, |
| ActionBar.LayoutParams.WRAP_CONTENT, |
| Gravity.CENTER_VERTICAL | Gravity.END)); |
| } |
| } |
| |
| mWifiEnabler = new WifiEnabler(activity, actionBarSwitch); |
| } |
| |
| mEmptyView = (TextView) getView().findViewById(android.R.id.empty); |
| getListView().setEmptyView(mEmptyView); |
| |
| if (!mSetupWizardMode) { |
| registerForContextMenu(getListView()); |
| } |
| setHasOptionsMenu(true); |
| } |
| |
| @Override |
| public void onResume() { |
| super.onResume(); |
| if (mWifiEnabler != null) { |
| mWifiEnabler.resume(); |
| } |
| |
| getActivity().registerReceiver(mReceiver, mFilter); |
| updateAccessPoints(); |
| } |
| |
| @Override |
| public void onPause() { |
| super.onPause(); |
| if (mWifiEnabler != null) { |
| mWifiEnabler.pause(); |
| } |
| getActivity().unregisterReceiver(mReceiver); |
| mScanner.pause(); |
| } |
| |
| @Override |
| public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) { |
| // If the user is not allowed to configure wifi, do not show the menu. |
| if (mUserManager.hasUserRestriction(DISALLOW_CONFIG_WIFI)) return; |
| |
| final boolean wifiIsEnabled = mWifiManager.isWifiEnabled(); |
| if (mSetupWizardMode) { |
| // FIXME: add setIcon() when graphics are available |
| menu.add(Menu.NONE, MENU_ID_WPS_PBC, 0, R.string.wifi_menu_wps_pbc) |
| .setIcon(R.drawable.ic_wps) |
| .setEnabled(wifiIsEnabled) |
| .setShowAsAction(MenuItem.SHOW_AS_ACTION_ALWAYS); |
| menu.add(Menu.NONE, MENU_ID_ADD_NETWORK, 0, R.string.wifi_add_network) |
| .setEnabled(wifiIsEnabled) |
| .setShowAsAction(MenuItem.SHOW_AS_ACTION_ALWAYS); |
| } else { |
| menu.add(Menu.NONE, MENU_ID_WPS_PBC, 0, R.string.wifi_menu_wps_pbc) |
| .setIcon(R.drawable.ic_wps) |
| .setEnabled(wifiIsEnabled) |
| .setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM); |
| menu.add(Menu.NONE, MENU_ID_ADD_NETWORK, 0, R.string.wifi_add_network) |
| .setIcon(R.drawable.ic_menu_add) |
| .setEnabled(wifiIsEnabled) |
| .setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM); |
| menu.add(Menu.NONE, MENU_ID_SCAN, 0, R.string.wifi_menu_scan) |
| //.setIcon(R.drawable.ic_menu_scan_network) |
| .setEnabled(wifiIsEnabled) |
| .setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER); |
| menu.add(Menu.NONE, MENU_ID_WPS_PIN, 0, R.string.wifi_menu_wps_pin) |
| .setEnabled(wifiIsEnabled) |
| .setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER); |
| if (mP2pSupported) { |
| menu.add(Menu.NONE, MENU_ID_P2P, 0, R.string.wifi_menu_p2p) |
| .setEnabled(wifiIsEnabled) |
| .setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER); |
| } |
| menu.add(Menu.NONE, MENU_ID_ADVANCED, 0, R.string.wifi_menu_advanced) |
| //.setIcon(android.R.drawable.ic_menu_manage) |
| .setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER); |
| } |
| super.onCreateOptionsMenu(menu, inflater); |
| } |
| |
| @Override |
| public void onSaveInstanceState(Bundle outState) { |
| super.onSaveInstanceState(outState); |
| |
| // If the dialog is showing, save its state. |
| if (mDialog != null && mDialog.isShowing()) { |
| outState.putBoolean(SAVE_DIALOG_EDIT_MODE, mDlgEdit); |
| if (mDlgAccessPoint != null) { |
| mAccessPointSavedState = new Bundle(); |
| mDlgAccessPoint.saveWifiState(mAccessPointSavedState); |
| outState.putBundle(SAVE_DIALOG_ACCESS_POINT_STATE, mAccessPointSavedState); |
| } |
| } |
| } |
| |
| @Override |
| public boolean onOptionsItemSelected(MenuItem item) { |
| // If the user is not allowed to configure wifi, do not handle menu selections. |
| if (mUserManager.hasUserRestriction(DISALLOW_CONFIG_WIFI)) return false; |
| |
| switch (item.getItemId()) { |
| case MENU_ID_WPS_PBC: |
| showDialog(WPS_PBC_DIALOG_ID); |
| return true; |
| case MENU_ID_P2P: |
| if (getActivity() instanceof PreferenceActivity) { |
| ((PreferenceActivity) getActivity()).startPreferencePanel( |
| WifiP2pSettings.class.getCanonicalName(), |
| null, |
| R.string.wifi_p2p_settings_title, null, |
| this, 0); |
| } else { |
| startFragment(this, WifiP2pSettings.class.getCanonicalName(), -1, null); |
| } |
| return true; |
| case MENU_ID_WPS_PIN: |
| showDialog(WPS_PIN_DIALOG_ID); |
| return true; |
| case MENU_ID_SCAN: |
| if (mWifiManager.isWifiEnabled()) { |
| mScanner.forceScan(); |
| } |
| return true; |
| case MENU_ID_ADD_NETWORK: |
| if (mWifiManager.isWifiEnabled()) { |
| onAddNetworkPressed(); |
| } |
| return true; |
| case MENU_ID_ADVANCED: |
| if (getActivity() instanceof PreferenceActivity) { |
| ((PreferenceActivity) getActivity()).startPreferencePanel( |
| AdvancedWifiSettings.class.getCanonicalName(), |
| null, |
| R.string.wifi_advanced_titlebar, null, |
| this, 0); |
| } else { |
| startFragment(this, AdvancedWifiSettings.class.getCanonicalName(), -1, null); |
| } |
| return true; |
| } |
| return super.onOptionsItemSelected(item); |
| } |
| |
| @Override |
| public void onCreateContextMenu(ContextMenu menu, View view, ContextMenuInfo info) { |
| if (info instanceof AdapterContextMenuInfo) { |
| Preference preference = (Preference) getListView().getItemAtPosition( |
| ((AdapterContextMenuInfo) info).position); |
| |
| if (preference instanceof AccessPoint) { |
| mSelectedAccessPoint = (AccessPoint) preference; |
| menu.setHeaderTitle(mSelectedAccessPoint.ssid); |
| if (mSelectedAccessPoint.getLevel() != -1 |
| && mSelectedAccessPoint.getState() == null) { |
| menu.add(Menu.NONE, MENU_ID_CONNECT, 0, R.string.wifi_menu_connect); |
| } |
| if (mSelectedAccessPoint.networkId != INVALID_NETWORK_ID) { |
| menu.add(Menu.NONE, MENU_ID_FORGET, 0, R.string.wifi_menu_forget); |
| menu.add(Menu.NONE, MENU_ID_MODIFY, 0, R.string.wifi_menu_modify); |
| } |
| } |
| } |
| } |
| |
| @Override |
| public boolean onContextItemSelected(MenuItem item) { |
| if (mSelectedAccessPoint == null) { |
| return super.onContextItemSelected(item); |
| } |
| switch (item.getItemId()) { |
| case MENU_ID_CONNECT: { |
| if (mSelectedAccessPoint.networkId != INVALID_NETWORK_ID) { |
| mWifiManager.connect(mSelectedAccessPoint.networkId, |
| mConnectListener); |
| } else if (mSelectedAccessPoint.security == AccessPoint.SECURITY_NONE) { |
| /** Bypass dialog for unsecured networks */ |
| mSelectedAccessPoint.generateOpenNetworkConfig(); |
| mWifiManager.connect(mSelectedAccessPoint.getConfig(), |
| mConnectListener); |
| } else { |
| showDialog(mSelectedAccessPoint, true); |
| } |
| return true; |
| } |
| case MENU_ID_FORGET: { |
| mWifiManager.forget(mSelectedAccessPoint.networkId, mForgetListener); |
| return true; |
| } |
| case MENU_ID_MODIFY: { |
| showDialog(mSelectedAccessPoint, true); |
| return true; |
| } |
| } |
| return super.onContextItemSelected(item); |
| } |
| |
| @Override |
| public boolean onPreferenceTreeClick(PreferenceScreen screen, Preference preference) { |
| if (preference instanceof AccessPoint) { |
| mSelectedAccessPoint = (AccessPoint) preference; |
| /** Bypass dialog for unsecured, unsaved networks */ |
| if (mSelectedAccessPoint.security == AccessPoint.SECURITY_NONE && |
| mSelectedAccessPoint.networkId == INVALID_NETWORK_ID) { |
| mSelectedAccessPoint.generateOpenNetworkConfig(); |
| mWifiManager.connect(mSelectedAccessPoint.getConfig(), mConnectListener); |
| } else { |
| showDialog(mSelectedAccessPoint, false); |
| } |
| } else { |
| return super.onPreferenceTreeClick(screen, preference); |
| } |
| return true; |
| } |
| |
| private void showDialog(AccessPoint accessPoint, boolean edit) { |
| if (mDialog != null) { |
| removeDialog(WIFI_DIALOG_ID); |
| mDialog = null; |
| } |
| |
| // Save the access point and edit mode |
| mDlgAccessPoint = accessPoint; |
| mDlgEdit = edit; |
| |
| 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 still null, fine, it's for Add Network |
| mSelectedAccessPoint = ap; |
| mDialog = new WifiDialog(getActivity(), this, ap, mDlgEdit); |
| 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 WIFI_SKIPPED_DIALOG_ID: |
| return new AlertDialog.Builder(getActivity()) |
| .setMessage(R.string.wifi_skipped_message) |
| .setCancelable(false) |
| .setNegativeButton(R.string.wifi_skip_anyway, |
| new DialogInterface.OnClickListener() { |
| @Override |
| public void onClick(DialogInterface dialog, int id) { |
| getActivity().setResult(RESULT_SKIP); |
| getActivity().finish(); |
| } |
| }) |
| .setPositiveButton(R.string.wifi_dont_skip, |
| new DialogInterface.OnClickListener() { |
| @Override |
| public void onClick(DialogInterface dialog, int id) { |
| } |
| }) |
| .create(); |
| case WIFI_AND_MOBILE_SKIPPED_DIALOG_ID: |
| return new AlertDialog.Builder(getActivity()) |
| .setMessage(R.string.wifi_and_mobile_skipped_message) |
| .setCancelable(false) |
| .setNegativeButton(R.string.wifi_skip_anyway, |
| new DialogInterface.OnClickListener() { |
| @Override |
| public void onClick(DialogInterface dialog, int id) { |
| getActivity().setResult(RESULT_SKIP); |
| getActivity().finish(); |
| } |
| }) |
| .setPositiveButton(R.string.wifi_dont_skip, |
| new DialogInterface.OnClickListener() { |
| @Override |
| public void onClick(DialogInterface dialog, int id) { |
| } |
| }) |
| .create(); |
| |
| } |
| return super.onCreateDialog(dialogId); |
| } |
| |
| /** |
| * Shows the latest access points available with supplimental information like |
| * the strength of network and the security for it. |
| */ |
| private void updateAccessPoints() { |
| // Safeguard from some delayed event handling |
| if (getActivity() == null) return; |
| |
| if (mUserManager.hasUserRestriction(UserManager.DISALLOW_CONFIG_WIFI)) { |
| addMessagePreference(R.string.wifi_empty_list_user_restricted); |
| return; |
| } |
| final int wifiState = mWifiManager.getWifiState(); |
| |
| switch (wifiState) { |
| case WifiManager.WIFI_STATE_ENABLED: |
| // AccessPoints are automatically sorted with TreeSet. |
| final Collection<AccessPoint> accessPoints = constructAccessPoints(); |
| getPreferenceScreen().removeAll(); |
| if(accessPoints.size() == 0) { |
| addMessagePreference(R.string.wifi_empty_list_wifi_on); |
| } |
| for (AccessPoint accessPoint : accessPoints) { |
| getPreferenceScreen().addPreference(accessPoint); |
| } |
| break; |
| |
| case WifiManager.WIFI_STATE_ENABLING: |
| getPreferenceScreen().removeAll(); |
| break; |
| |
| case WifiManager.WIFI_STATE_DISABLING: |
| addMessagePreference(R.string.wifi_stopping); |
| break; |
| |
| case WifiManager.WIFI_STATE_DISABLED: |
| setOffMessage(); |
| break; |
| } |
| } |
| |
| private void setOffMessage() { |
| if (mEmptyView != null) { |
| mEmptyView.setText(R.string.wifi_empty_list_wifi_off); |
| if (Settings.Global.getInt(getActivity().getContentResolver(), |
| Settings.Global.WIFI_SCAN_ALWAYS_AVAILABLE, 0) == 1) { |
| mEmptyView.append("\n\n"); |
| int resId; |
| if (Settings.Secure.isLocationProviderEnabled(getActivity().getContentResolver(), |
| LocationManager.NETWORK_PROVIDER)) { |
| resId = R.string.wifi_scan_notify_text_location_on; |
| } else { |
| resId = R.string.wifi_scan_notify_text_location_off; |
| } |
| CharSequence charSeq = getText(resId); |
| mEmptyView.append(charSeq); |
| } |
| } |
| getPreferenceScreen().removeAll(); |
| } |
| |
| private void addMessagePreference(int messageId) { |
| if (mEmptyView != null) mEmptyView.setText(messageId); |
| getPreferenceScreen().removeAll(); |
| } |
| |
| /** Returns sorted list of access points */ |
| private List<AccessPoint> constructAccessPoints() { |
| ArrayList<AccessPoint> accessPoints = new ArrayList<AccessPoint>(); |
| /** Lookup table to more quickly update AccessPoints by only considering objects with the |
| * correct SSID. Maps SSID -> List of AccessPoints with the given SSID. */ |
| Multimap<String, AccessPoint> apMap = new Multimap<String, AccessPoint>(); |
| |
| final List<WifiConfiguration> configs = mWifiManager.getConfiguredNetworks(); |
| if (configs != null) { |
| for (WifiConfiguration config : configs) { |
| AccessPoint accessPoint = new AccessPoint(getActivity(), config); |
| accessPoint.update(mLastInfo, mLastState); |
| accessPoints.add(accessPoint); |
| apMap.put(accessPoint.ssid, accessPoint); |
| } |
| } |
| |
| final List<ScanResult> results = mWifiManager.getScanResults(); |
| if (results != null) { |
| for (ScanResult result : results) { |
| // Ignore hidden and ad-hoc networks. |
| if (result.SSID == null || result.SSID.length() == 0 || |
| result.capabilities.contains("[IBSS]")) { |
| continue; |
| } |
| |
| boolean found = false; |
| for (AccessPoint accessPoint : apMap.getAll(result.SSID)) { |
| if (accessPoint.update(result)) |
| found = true; |
| } |
| if (!found) { |
| AccessPoint accessPoint = new AccessPoint(getActivity(), result); |
| accessPoints.add(accessPoint); |
| apMap.put(accessPoint.ssid, accessPoint); |
| } |
| } |
| } |
| |
| // Pre-sort accessPoints to speed preference insertion |
| Collections.sort(accessPoints); |
| return accessPoints; |
| } |
| |
| /** A restricted multimap for use in constructAccessPoints */ |
| private class Multimap<K,V> { |
| private HashMap<K,List<V>> store = new HashMap<K,List<V>>(); |
| /** retrieve a non-null list of values with key K */ |
| List<V> getAll(K key) { |
| List<V> values = store.get(key); |
| return values != null ? values : Collections.<V>emptyList(); |
| } |
| |
| void put(K key, V val) { |
| List<V> curVals = store.get(key); |
| if (curVals == null) { |
| curVals = new ArrayList<V>(3); |
| store.put(key, curVals); |
| } |
| curVals.add(val); |
| } |
| } |
| |
| private void handleEvent(Context context, Intent intent) { |
| String action = intent.getAction(); |
| if (WifiManager.WIFI_STATE_CHANGED_ACTION.equals(action)) { |
| updateWifiState(intent.getIntExtra(WifiManager.EXTRA_WIFI_STATE, |
| WifiManager.WIFI_STATE_UNKNOWN)); |
| } else if (WifiManager.SCAN_RESULTS_AVAILABLE_ACTION.equals(action) || |
| WifiManager.CONFIGURED_NETWORKS_CHANGED_ACTION.equals(action) || |
| WifiManager.LINK_CONFIGURATION_CHANGED_ACTION.equals(action)) { |
| updateAccessPoints(); |
| } else if (WifiManager.SUPPLICANT_STATE_CHANGED_ACTION.equals(action)) { |
| //Ignore supplicant state changes when network is connected |
| //TODO: we should deprecate SUPPLICANT_STATE_CHANGED_ACTION and |
| //introduce a broadcast that combines the supplicant and network |
| //network state change events so the apps dont have to worry about |
| //ignoring supplicant state change when network is connected |
| //to get more fine grained information. |
| SupplicantState state = (SupplicantState) intent.getParcelableExtra( |
| WifiManager.EXTRA_NEW_STATE); |
| if (!mConnected.get() && SupplicantState.isHandshakeState(state)) { |
| updateConnectionState(WifiInfo.getDetailedStateOf(state)); |
| } else { |
| // During a connect, we may have the supplicant |
| // state change affect the detailed network state. |
| // Make sure a lost connection is updated as well. |
| updateConnectionState(null); |
| } |
| } else if (WifiManager.NETWORK_STATE_CHANGED_ACTION.equals(action)) { |
| NetworkInfo info = (NetworkInfo) intent.getParcelableExtra( |
| WifiManager.EXTRA_NETWORK_INFO); |
| mConnected.set(info.isConnected()); |
| changeNextButtonState(info.isConnected()); |
| updateAccessPoints(); |
| updateConnectionState(info.getDetailedState()); |
| if (mAutoFinishOnConnection && info.isConnected()) { |
| Activity activity = getActivity(); |
| if (activity != null) { |
| activity.setResult(Activity.RESULT_OK); |
| activity.finish(); |
| } |
| return; |
| } |
| } else if (WifiManager.RSSI_CHANGED_ACTION.equals(action)) { |
| updateConnectionState(null); |
| } |
| } |
| |
| private void updateConnectionState(DetailedState state) { |
| /* sticky broadcasts can call this when wifi is disabled */ |
| if (!mWifiManager.isWifiEnabled()) { |
| mScanner.pause(); |
| return; |
| } |
| |
| if (state == DetailedState.OBTAINING_IPADDR) { |
| mScanner.pause(); |
| } else { |
| mScanner.resume(); |
| } |
| |
| mLastInfo = mWifiManager.getConnectionInfo(); |
| if (state != null) { |
| mLastState = state; |
| } |
| |
| for (int i = getPreferenceScreen().getPreferenceCount() - 1; i >= 0; --i) { |
| // Maybe there's a WifiConfigPreference |
| Preference preference = getPreferenceScreen().getPreference(i); |
| if (preference instanceof AccessPoint) { |
| final AccessPoint accessPoint = (AccessPoint) preference; |
| accessPoint.update(mLastInfo, mLastState); |
| } |
| } |
| } |
| |
| private void updateWifiState(int state) { |
| Activity activity = getActivity(); |
| if (activity != null) { |
| activity.invalidateOptionsMenu(); |
| } |
| |
| switch (state) { |
| case WifiManager.WIFI_STATE_ENABLED: |
| mScanner.resume(); |
| return; // not break, to avoid the call to pause() below |
| |
| case WifiManager.WIFI_STATE_ENABLING: |
| addMessagePreference(R.string.wifi_starting); |
| break; |
| |
| case WifiManager.WIFI_STATE_DISABLED: |
| setOffMessage(); |
| break; |
| } |
| |
| mLastInfo = null; |
| mLastState = null; |
| mScanner.pause(); |
| } |
| |
| private class Scanner extends Handler { |
| private int mRetry = 0; |
| |
| void resume() { |
| if (!hasMessages(0)) { |
| sendEmptyMessage(0); |
| } |
| } |
| |
| void forceScan() { |
| removeMessages(0); |
| sendEmptyMessage(0); |
| } |
| |
| void pause() { |
| mRetry = 0; |
| removeMessages(0); |
| } |
| |
| @Override |
| public void handleMessage(Message message) { |
| if (mWifiManager.startScan()) { |
| mRetry = 0; |
| } else if (++mRetry >= 3) { |
| mRetry = 0; |
| Activity activity = getActivity(); |
| if (activity != null) { |
| Toast.makeText(activity, R.string.wifi_fail_to_scan, |
| Toast.LENGTH_LONG).show(); |
| } |
| return; |
| } |
| sendEmptyMessageDelayed(0, WIFI_RESCAN_INTERVAL_MS); |
| } |
| } |
| |
| /** |
| * Renames/replaces "Next" button when appropriate. "Next" button usually exists in |
| * Wifi setup screens, not in usual wifi settings screen. |
| * |
| * @param connected true when the device is connected to a wifi network. |
| */ |
| private void changeNextButtonState(boolean connected) { |
| if (mEnableNextOnConnection && hasNextButton()) { |
| getNextButton().setEnabled(connected); |
| } |
| } |
| |
| @Override |
| public void onClick(DialogInterface dialogInterface, int button) { |
| if (button == WifiDialog.BUTTON_FORGET && mSelectedAccessPoint != null) { |
| forget(); |
| } else if (button == WifiDialog.BUTTON_SUBMIT) { |
| if (mDialog != null) { |
| submit(mDialog.getController()); |
| } |
| } |
| } |
| |
| /* package */ void submit(WifiConfigController configController) { |
| |
| final WifiConfiguration config = configController.getConfig(); |
| |
| if (config == null) { |
| if (mSelectedAccessPoint != null |
| && mSelectedAccessPoint.networkId != INVALID_NETWORK_ID) { |
| mWifiManager.connect(mSelectedAccessPoint.networkId, |
| mConnectListener); |
| } |
| } else if (config.networkId != INVALID_NETWORK_ID) { |
| if (mSelectedAccessPoint != null) { |
| mWifiManager.save(config, mSaveListener); |
| } |
| } else { |
| if (configController.isEdit()) { |
| mWifiManager.save(config, mSaveListener); |
| } else { |
| mWifiManager.connect(config, mConnectListener); |
| } |
| } |
| |
| if (mWifiManager.isWifiEnabled()) { |
| mScanner.resume(); |
| } |
| updateAccessPoints(); |
| } |
| |
| /* package */ void forget() { |
| if (mSelectedAccessPoint.networkId == INVALID_NETWORK_ID) { |
| // Should not happen, but a monkey seems to triger it |
| Log.e(TAG, "Failed to forget invalid network " + mSelectedAccessPoint.getConfig()); |
| return; |
| } |
| |
| mWifiManager.forget(mSelectedAccessPoint.networkId, mForgetListener); |
| |
| if (mWifiManager.isWifiEnabled()) { |
| mScanner.resume(); |
| } |
| updateAccessPoints(); |
| |
| // We need to rename/replace "Next" button in wifi setup context. |
| changeNextButtonState(false); |
| } |
| |
| /** |
| * Refreshes acccess points and ask Wifi module to scan networks again. |
| */ |
| /* package */ void refreshAccessPoints() { |
| if (mWifiManager.isWifiEnabled()) { |
| mScanner.resume(); |
| } |
| |
| getPreferenceScreen().removeAll(); |
| } |
| |
| /** |
| * Called when "add network" button is pressed. |
| */ |
| /* package */ void onAddNetworkPressed() { |
| // No exact access point is selected. |
| mSelectedAccessPoint = null; |
| showDialog(null, true); |
| } |
| |
| /* package */ int getAccessPointsCount() { |
| final boolean wifiIsEnabled = mWifiManager.isWifiEnabled(); |
| if (wifiIsEnabled) { |
| return getPreferenceScreen().getPreferenceCount(); |
| } else { |
| return 0; |
| } |
| } |
| |
| /** |
| * Requests wifi module to pause wifi scan. May be ignored when the module is disabled. |
| */ |
| /* package */ void pauseWifiScan() { |
| if (mWifiManager.isWifiEnabled()) { |
| mScanner.pause(); |
| } |
| } |
| |
| /** |
| * Requests wifi module to resume wifi scan. May be ignored when the module is disabled. |
| */ |
| /* package */ void resumeWifiScan() { |
| if (mWifiManager.isWifiEnabled()) { |
| mScanner.resume(); |
| } |
| } |
| |
| @Override |
| protected int getHelpResource() { |
| if (mSetupWizardMode) { |
| return 0; |
| } |
| return R.string.help_url_wifi; |
| } |
| |
| /** |
| * Used as the outer frame of all setup wizard pages that need to adjust their margins based |
| * on the total size of the available display. (e.g. side margins set to 10% of total width.) |
| */ |
| public static class ProportionalOuterFrame extends RelativeLayout { |
| public ProportionalOuterFrame(Context context) { |
| super(context); |
| } |
| public ProportionalOuterFrame(Context context, AttributeSet attrs) { |
| super(context, attrs); |
| } |
| public ProportionalOuterFrame(Context context, AttributeSet attrs, int defStyle) { |
| super(context, attrs, defStyle); |
| } |
| |
| /** |
| * Set our margins and title area height proportionally to the available display size |
| */ |
| @Override |
| protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { |
| int parentWidth = MeasureSpec.getSize(widthMeasureSpec); |
| int parentHeight = MeasureSpec.getSize(heightMeasureSpec); |
| final Resources resources = getContext().getResources(); |
| float titleHeight = resources.getFraction(R.dimen.setup_title_height, 1, 1); |
| float sideMargin = resources.getFraction(R.dimen.setup_border_width, 1, 1); |
| int bottom = resources.getDimensionPixelSize(R.dimen.setup_margin_bottom); |
| setPaddingRelative( |
| (int) (parentWidth * sideMargin), |
| 0, |
| (int) (parentWidth * sideMargin), |
| bottom); |
| View title = findViewById(R.id.title_area); |
| if (title != null) { |
| title.setMinimumHeight((int) (parentHeight * titleHeight)); |
| } |
| super.onMeasure(widthMeasureSpec, heightMeasureSpec); |
| } |
| } |
| |
| } |
