55dd8869db
- Fix view recycling for AccessPointPreferences by adding a dummy during initial inflation - Cut down on what is done during onBindView and refresh() - Try to re-use AccessPointPreferences when possible Some jank still occurs when scan results come in, but it is less than before. Bug: 16518752 Change-Id: I2619303281dd50aa3864783c49738ae9f221834a
1014 lines
40 KiB
Java
1014 lines
40 KiB
Java
/*
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* Copyright (C) 2010 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.settings.wifi;
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import static android.net.wifi.WifiConfiguration.INVALID_NETWORK_ID;
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import static android.os.UserManager.DISALLOW_CONFIG_WIFI;
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import android.app.Activity;
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import android.app.AlertDialog;
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import android.app.AppGlobals;
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import android.app.Dialog;
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import android.app.admin.DeviceAdminInfo;
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import android.app.admin.DevicePolicyManager;
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import android.app.admin.DevicePolicyManagerInternal;
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import android.content.ContentResolver;
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import android.content.Context;
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import android.content.DialogInterface;
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import android.content.Intent;
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import android.content.pm.ApplicationInfo;
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import android.content.pm.IPackageManager;
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import android.content.pm.PackageManager;
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import android.content.pm.PackageManager.NameNotFoundException;
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import android.content.res.Resources;
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import android.content.res.TypedArray;
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import android.net.ConnectivityManager;
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import android.net.NetworkInfo;
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import android.net.NetworkInfo.State;
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import android.net.wifi.WifiConfiguration;
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import android.net.wifi.WifiManager;
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import android.net.wifi.WpsInfo;
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import android.nfc.NfcAdapter;
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import android.os.Bundle;
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import android.os.HandlerThread;
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import android.os.Process;
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import android.os.RemoteException;
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import android.os.UserHandle;
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import android.os.UserManager;
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import android.preference.Preference;
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import android.preference.PreferenceScreen;
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import android.provider.Settings;
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import android.text.Spannable;
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import android.text.style.TextAppearanceSpan;
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import android.util.Log;
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import android.view.ContextMenu;
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import android.view.ContextMenu.ContextMenuInfo;
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import android.view.Gravity;
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import android.view.Menu;
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import android.view.MenuInflater;
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import android.view.MenuItem;
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import android.view.View;
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import android.widget.AdapterView.AdapterContextMenuInfo;
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import android.widget.ProgressBar;
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import android.widget.TextView;
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import android.widget.TextView.BufferType;
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import android.widget.Toast;
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import com.android.internal.logging.MetricsLogger;
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import com.android.server.LocalServices;
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import com.android.settings.LinkifyUtils;
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import com.android.settings.R;
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import com.android.settings.RestrictedSettingsFragment;
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import com.android.settings.SettingsActivity;
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import com.android.settings.location.ScanningSettings;
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import com.android.settings.search.BaseSearchIndexProvider;
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import com.android.settings.search.Indexable;
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import com.android.settings.search.SearchIndexableRaw;
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import com.android.settings.wifi.AccessPointPreference.UserBadgeCache;
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import com.android.settingslib.wifi.AccessPoint;
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import com.android.settingslib.wifi.AccessPoint.AccessPointListener;
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import com.android.settingslib.wifi.WifiTracker;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.List;
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/**
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* Two types of UI are provided here.
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*
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* The first is for "usual Settings", appearing as any other Setup fragment.
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*
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* The second is for Setup Wizard, with a simplified interface that hides the action bar
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* and menus.
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*/
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public class WifiSettings extends RestrictedSettingsFragment
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implements DialogInterface.OnClickListener, Indexable, WifiTracker.WifiListener,
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AccessPointListener {
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private static final String TAG = "WifiSettings";
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/* package */ static final int MENU_ID_WPS_PBC = Menu.FIRST;
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private static final int MENU_ID_WPS_PIN = Menu.FIRST + 1;
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private static final int MENU_ID_SAVED_NETWORK = Menu.FIRST + 2;
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/* package */ static final int MENU_ID_ADD_NETWORK = Menu.FIRST + 3;
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private static final int MENU_ID_ADVANCED = Menu.FIRST + 4;
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private static final int MENU_ID_SCAN = Menu.FIRST + 5;
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private static final int MENU_ID_CONNECT = Menu.FIRST + 6;
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private static final int MENU_ID_FORGET = Menu.FIRST + 7;
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private static final int MENU_ID_MODIFY = Menu.FIRST + 8;
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private static final int MENU_ID_WRITE_NFC = Menu.FIRST + 9;
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public static final int WIFI_DIALOG_ID = 1;
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/* package */ static final int WPS_PBC_DIALOG_ID = 2;
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private static final int WPS_PIN_DIALOG_ID = 3;
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private static final int WRITE_NFC_DIALOG_ID = 6;
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// Instance state keys
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private static final String SAVE_DIALOG_EDIT_MODE = "edit_mode";
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private static final String SAVE_DIALOG_ACCESS_POINT_STATE = "wifi_ap_state";
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private static final String SAVED_WIFI_NFC_DIALOG_STATE = "wifi_nfc_dlg_state";
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private static boolean savedNetworksExist;
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protected WifiManager mWifiManager;
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private WifiManager.ActionListener mConnectListener;
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private WifiManager.ActionListener mSaveListener;
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private WifiManager.ActionListener mForgetListener;
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private WifiEnabler mWifiEnabler;
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// An access point being editted is stored here.
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private AccessPoint mSelectedAccessPoint;
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private WifiDialog mDialog;
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private WriteWifiConfigToNfcDialog mWifiToNfcDialog;
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private TextView mEmptyView;
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private ProgressBar mProgressHeader;
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// this boolean extra specifies whether to disable the Next button when not connected. Used by
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// account creation outside of setup wizard.
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private static final String EXTRA_ENABLE_NEXT_ON_CONNECT = "wifi_enable_next_on_connect";
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// This string extra specifies a network to open the connect dialog on, so the user can enter
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// network credentials. This is used by quick settings for secured networks.
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private static final String EXTRA_START_CONNECT_SSID = "wifi_start_connect_ssid";
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// should Next button only be enabled when we have a connection?
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private boolean mEnableNextOnConnection;
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// Save the dialog details
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private boolean mDlgEdit;
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private AccessPoint mDlgAccessPoint;
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private Bundle mAccessPointSavedState;
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private Bundle mWifiNfcDialogSavedState;
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private WifiTracker mWifiTracker;
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private String mOpenSsid;
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private HandlerThread mBgThread;
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private UserBadgeCache mUserBadgeCache;
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/* End of "used in Wifi Setup context" */
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public WifiSettings() {
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super(DISALLOW_CONFIG_WIFI);
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}
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@Override
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public void onViewCreated(View view, Bundle savedInstanceState) {
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super.onViewCreated(view, savedInstanceState);
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final Activity activity = getActivity();
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if (activity != null) {
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mProgressHeader = (ProgressBar) setPinnedHeaderView(R.layout.wifi_progress_header);
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}
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}
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@Override
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public void onCreate(Bundle icicle) {
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super.onCreate(icicle);
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addPreferencesFromResource(R.xml.wifi_settings);
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mUserBadgeCache = new UserBadgeCache(getPackageManager());
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mBgThread = new HandlerThread(TAG, Process.THREAD_PRIORITY_BACKGROUND);
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mBgThread.start();
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}
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@Override
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public void onDestroy() {
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mBgThread.quit();
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super.onDestroy();
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}
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@Override
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public void onActivityCreated(Bundle savedInstanceState) {
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super.onActivityCreated(savedInstanceState);
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mWifiTracker =
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new WifiTracker(getActivity(), this, mBgThread.getLooper(), true, true, false);
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mWifiManager = mWifiTracker.getManager();
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mConnectListener = new WifiManager.ActionListener() {
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@Override
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public void onSuccess() {
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}
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@Override
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public void onFailure(int reason) {
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Activity activity = getActivity();
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if (activity != null) {
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Toast.makeText(activity,
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R.string.wifi_failed_connect_message,
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Toast.LENGTH_SHORT).show();
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}
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}
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};
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mSaveListener = new WifiManager.ActionListener() {
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@Override
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public void onSuccess() {
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}
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@Override
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public void onFailure(int reason) {
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Activity activity = getActivity();
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if (activity != null) {
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Toast.makeText(activity,
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R.string.wifi_failed_save_message,
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Toast.LENGTH_SHORT).show();
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}
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}
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};
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mForgetListener = new WifiManager.ActionListener() {
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@Override
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public void onSuccess() {
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}
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@Override
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public void onFailure(int reason) {
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Activity activity = getActivity();
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if (activity != null) {
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Toast.makeText(activity,
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R.string.wifi_failed_forget_message,
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Toast.LENGTH_SHORT).show();
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}
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}
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};
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if (savedInstanceState != null) {
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mDlgEdit = savedInstanceState.getBoolean(SAVE_DIALOG_EDIT_MODE);
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if (savedInstanceState.containsKey(SAVE_DIALOG_ACCESS_POINT_STATE)) {
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mAccessPointSavedState =
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savedInstanceState.getBundle(SAVE_DIALOG_ACCESS_POINT_STATE);
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}
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if (savedInstanceState.containsKey(SAVED_WIFI_NFC_DIALOG_STATE)) {
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mWifiNfcDialogSavedState =
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savedInstanceState.getBundle(SAVED_WIFI_NFC_DIALOG_STATE);
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}
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}
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// if we're supposed to enable/disable the Next button based on our current connection
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// state, start it off in the right state
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Intent intent = getActivity().getIntent();
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mEnableNextOnConnection = intent.getBooleanExtra(EXTRA_ENABLE_NEXT_ON_CONNECT, false);
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if (mEnableNextOnConnection) {
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if (hasNextButton()) {
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final ConnectivityManager connectivity = (ConnectivityManager)
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getActivity().getSystemService(Context.CONNECTIVITY_SERVICE);
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if (connectivity != null) {
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NetworkInfo info = connectivity.getNetworkInfo(
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ConnectivityManager.TYPE_WIFI);
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changeNextButtonState(info.isConnected());
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}
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}
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}
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mEmptyView = initEmptyView();
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registerForContextMenu(getListView());
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setHasOptionsMenu(true);
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if (intent.hasExtra(EXTRA_START_CONNECT_SSID)) {
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mOpenSsid = intent.getStringExtra(EXTRA_START_CONNECT_SSID);
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onAccessPointsChanged();
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}
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}
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@Override
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public void onDestroyView() {
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super.onDestroyView();
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if (mWifiEnabler != null) {
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mWifiEnabler.teardownSwitchBar();
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}
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}
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@Override
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public void onStart() {
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super.onStart();
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// On/off switch is hidden for Setup Wizard (returns null)
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mWifiEnabler = createWifiEnabler();
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}
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/**
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* @return new WifiEnabler or null (as overridden by WifiSettingsForSetupWizard)
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*/
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/* package */ WifiEnabler createWifiEnabler() {
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final SettingsActivity activity = (SettingsActivity) getActivity();
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return new WifiEnabler(activity, activity.getSwitchBar());
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}
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@Override
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public void onResume() {
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final Activity activity = getActivity();
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super.onResume();
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removePreference("dummy");
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if (mWifiEnabler != null) {
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mWifiEnabler.resume(activity);
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}
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mWifiTracker.startTracking();
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}
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@Override
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public void onPause() {
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super.onPause();
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if (mWifiEnabler != null) {
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mWifiEnabler.pause();
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}
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mWifiTracker.stopTracking();
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}
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@Override
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public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
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// If the user is not allowed to configure wifi, do not show the menu.
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if (isUiRestricted()) return;
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addOptionsMenuItems(menu);
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super.onCreateOptionsMenu(menu, inflater);
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}
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/**
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* @param menu
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*/
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void addOptionsMenuItems(Menu menu) {
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final boolean wifiIsEnabled = mWifiTracker.isWifiEnabled();
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TypedArray ta = getActivity().getTheme().obtainStyledAttributes(
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new int[] {R.attr.ic_menu_add, R.attr.ic_wps});
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menu.add(Menu.NONE, MENU_ID_ADD_NETWORK, 0, R.string.wifi_add_network)
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.setIcon(ta.getDrawable(0))
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.setEnabled(wifiIsEnabled)
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.setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER);
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if (savedNetworksExist) {
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menu.add(Menu.NONE, MENU_ID_SAVED_NETWORK, 0, R.string.wifi_saved_access_points_label)
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.setIcon(ta.getDrawable(0))
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.setEnabled(wifiIsEnabled)
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.setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER);
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}
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menu.add(Menu.NONE, MENU_ID_SCAN, 0, R.string.menu_stats_refresh)
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.setEnabled(wifiIsEnabled)
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.setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER);
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menu.add(Menu.NONE, MENU_ID_ADVANCED, 0, R.string.wifi_menu_advanced)
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.setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER);
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ta.recycle();
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}
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@Override
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protected int getMetricsCategory() {
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return MetricsLogger.WIFI;
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}
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@Override
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public void onSaveInstanceState(Bundle outState) {
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super.onSaveInstanceState(outState);
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// If the dialog is showing, save its state.
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if (mDialog != null && mDialog.isShowing()) {
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outState.putBoolean(SAVE_DIALOG_EDIT_MODE, mDlgEdit);
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if (mDlgAccessPoint != null) {
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mAccessPointSavedState = new Bundle();
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mDlgAccessPoint.saveWifiState(mAccessPointSavedState);
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outState.putBundle(SAVE_DIALOG_ACCESS_POINT_STATE, mAccessPointSavedState);
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}
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}
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if (mWifiToNfcDialog != null && mWifiToNfcDialog.isShowing()) {
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Bundle savedState = new Bundle();
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mWifiToNfcDialog.saveState(savedState);
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outState.putBundle(SAVED_WIFI_NFC_DIALOG_STATE, savedState);
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}
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}
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@Override
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public boolean onOptionsItemSelected(MenuItem item) {
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// If the user is not allowed to configure wifi, do not handle menu selections.
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if (isUiRestricted()) return false;
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switch (item.getItemId()) {
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case MENU_ID_WPS_PBC:
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showDialog(WPS_PBC_DIALOG_ID);
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return true;
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/*
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case MENU_ID_P2P:
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if (getActivity() instanceof SettingsActivity) {
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((SettingsActivity) getActivity()).startPreferencePanel(
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WifiP2pSettings.class.getCanonicalName(),
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null,
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R.string.wifi_p2p_settings_title, null,
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this, 0);
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} else {
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startFragment(this, WifiP2pSettings.class.getCanonicalName(),
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R.string.wifi_p2p_settings_title, -1, null);
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}
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return true;
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*/
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case MENU_ID_WPS_PIN:
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showDialog(WPS_PIN_DIALOG_ID);
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return true;
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case MENU_ID_SCAN:
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MetricsLogger.action(getActivity(), MetricsLogger.ACTION_WIFI_FORCE_SCAN);
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mWifiTracker.forceScan();
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return true;
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case MENU_ID_ADD_NETWORK:
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if (mWifiTracker.isWifiEnabled()) {
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onAddNetworkPressed();
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}
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return true;
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case MENU_ID_SAVED_NETWORK:
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if (getActivity() instanceof SettingsActivity) {
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((SettingsActivity) getActivity()).startPreferencePanel(
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SavedAccessPointsWifiSettings.class.getCanonicalName(), null,
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R.string.wifi_saved_access_points_titlebar, null, this, 0);
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} else {
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startFragment(this, SavedAccessPointsWifiSettings.class.getCanonicalName(),
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R.string.wifi_saved_access_points_titlebar,
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-1 /* Do not request a result */, null);
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}
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return true;
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case MENU_ID_ADVANCED:
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if (getActivity() instanceof SettingsActivity) {
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((SettingsActivity) getActivity()).startPreferencePanel(
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AdvancedWifiSettings.class.getCanonicalName(), null,
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R.string.wifi_advanced_titlebar, null, this, 0);
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} else {
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startFragment(this, AdvancedWifiSettings.class.getCanonicalName(),
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R.string.wifi_advanced_titlebar, -1 /* Do not request a results */,
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null);
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}
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return true;
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}
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return super.onOptionsItemSelected(item);
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}
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@Override
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public void onCreateContextMenu(ContextMenu menu, View view, ContextMenuInfo info) {
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if (info instanceof AdapterContextMenuInfo) {
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Preference preference = (Preference) getListView().getItemAtPosition(
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((AdapterContextMenuInfo) info).position);
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if (preference instanceof AccessPointPreference) {
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mSelectedAccessPoint = ((AccessPointPreference) preference).getAccessPoint();
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menu.setHeaderTitle(mSelectedAccessPoint.getSsid());
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if (mSelectedAccessPoint.isConnectable()) {
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menu.add(Menu.NONE, MENU_ID_CONNECT, 0, R.string.wifi_menu_connect);
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}
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WifiConfiguration config = mSelectedAccessPoint.getConfig();
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// Some configs are ineditable
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if (isEditabilityLockedDown(getActivity(), config)) {
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return;
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}
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if (mSelectedAccessPoint.isSaved() || mSelectedAccessPoint.isEphemeral()) {
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// Allow forgetting a network if either the network is saved or ephemerally
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// connected. (In the latter case, "forget" blacklists the network so it won't
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// be used again, ephemerally).
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menu.add(Menu.NONE, MENU_ID_FORGET, 0, R.string.wifi_menu_forget);
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}
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if (mSelectedAccessPoint.isSaved()) {
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menu.add(Menu.NONE, MENU_ID_MODIFY, 0, R.string.wifi_menu_modify);
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NfcAdapter nfcAdapter = NfcAdapter.getDefaultAdapter(getActivity());
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if (nfcAdapter != null && nfcAdapter.isEnabled() &&
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|
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, true);
|
|
}
|
|
return true;
|
|
}
|
|
case MENU_ID_FORGET: {
|
|
forget();
|
|
return true;
|
|
}
|
|
case MENU_ID_MODIFY: {
|
|
showDialog(mSelectedAccessPoint, true);
|
|
return true;
|
|
}
|
|
case MENU_ID_WRITE_NFC:
|
|
showDialog(WRITE_NFC_DIALOG_ID);
|
|
return true;
|
|
|
|
}
|
|
return super.onContextItemSelected(item);
|
|
}
|
|
|
|
@Override
|
|
public boolean onPreferenceTreeClick(PreferenceScreen screen, Preference preference) {
|
|
if (preference instanceof AccessPointPreference) {
|
|
mSelectedAccessPoint = ((AccessPointPreference) preference).getAccessPoint();
|
|
/** Bypass dialog for unsecured, unsaved, and inactive networks */
|
|
if (mSelectedAccessPoint.getSecurity() == AccessPoint.SECURITY_NONE &&
|
|
!mSelectedAccessPoint.isSaved() && !mSelectedAccessPoint.isActive()) {
|
|
mSelectedAccessPoint.generateOpenNetworkConfig();
|
|
if (!savedNetworksExist) {
|
|
savedNetworksExist = true;
|
|
getActivity().invalidateOptionsMenu();
|
|
}
|
|
connect(mSelectedAccessPoint.getConfig());
|
|
} else {
|
|
showDialog(mSelectedAccessPoint, false);
|
|
}
|
|
} else {
|
|
return super.onPreferenceTreeClick(screen, preference);
|
|
}
|
|
return true;
|
|
}
|
|
|
|
private void showDialog(AccessPoint accessPoint, boolean edit) {
|
|
if (accessPoint != null) {
|
|
WifiConfiguration config = accessPoint.getConfig();
|
|
if (isEditabilityLockedDown(getActivity(), config) && accessPoint.isActive()) {
|
|
final int userId = UserHandle.getUserId(config.creatorUid);
|
|
final PackageManager pm = getActivity().getPackageManager();
|
|
final IPackageManager ipm = AppGlobals.getPackageManager();
|
|
String appName = pm.getNameForUid(config.creatorUid);
|
|
try {
|
|
final ApplicationInfo appInfo = ipm.getApplicationInfo(appName, /* flags */ 0,
|
|
userId);
|
|
final CharSequence label = pm.getApplicationLabel(appInfo);
|
|
if (label != null) {
|
|
appName = label.toString();
|
|
}
|
|
} catch (RemoteException e) {
|
|
// leave appName as packageName
|
|
}
|
|
final AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
|
|
builder.setTitle(accessPoint.getSsid())
|
|
.setMessage(getString(R.string.wifi_alert_lockdown_by_device_owner,
|
|
appName))
|
|
.setPositiveButton(android.R.string.ok, null)
|
|
.show();
|
|
return;
|
|
}
|
|
}
|
|
|
|
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 null, fine, it's for Add Network
|
|
mSelectedAccessPoint = ap;
|
|
final boolean hideForget = (ap == null || isEditabilityLockedDown(getActivity(),
|
|
ap.getConfig()));
|
|
mDialog = new WifiDialog(getActivity(), this, ap, mDlgEdit,
|
|
/* no hide submit/connect */ false,
|
|
/* hide forget if config locked down */ hideForget);
|
|
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()) {
|
|
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 =
|
|
mWifiTracker.getAccessPoints();
|
|
getPreferenceScreen().removeAll();
|
|
|
|
boolean hasAvailableAccessPoints = false;
|
|
for (AccessPoint accessPoint : accessPoints) {
|
|
// Ignore access points that are out of range.
|
|
if (accessPoint.getLevel() != -1) {
|
|
hasAvailableAccessPoints = true;
|
|
if (accessPoint.getTag() != null) {
|
|
getPreferenceScreen().addPreference((Preference) accessPoint.getTag());
|
|
continue;
|
|
}
|
|
AccessPointPreference preference = new AccessPointPreference(accessPoint,
|
|
getActivity(), mUserBadgeCache, false);
|
|
|
|
if (mOpenSsid != null && mOpenSsid.equals(accessPoint.getSsidStr())
|
|
&& !accessPoint.isSaved()
|
|
&& accessPoint.getSecurity() != AccessPoint.SECURITY_NONE) {
|
|
onPreferenceTreeClick(getPreferenceScreen(), preference);
|
|
mOpenSsid = null;
|
|
}
|
|
getPreferenceScreen().addPreference(preference);
|
|
accessPoint.setListener(this);
|
|
}
|
|
}
|
|
if (!hasAvailableAccessPoints) {
|
|
setProgressBarVisible(true);
|
|
addMessagePreference(R.string.wifi_empty_list_wifi_on);
|
|
} else {
|
|
setProgressBarVisible(false);
|
|
}
|
|
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);
|
|
break;
|
|
}
|
|
// Update "Saved Networks" menu option.
|
|
if (savedNetworksExist != mWifiTracker.doSavedNetworksExist()) {
|
|
savedNetworksExist = !savedNetworksExist;
|
|
getActivity().invalidateOptionsMenu();
|
|
}
|
|
}
|
|
|
|
protected TextView initEmptyView() {
|
|
TextView emptyView = (TextView) getActivity().findViewById(android.R.id.empty);
|
|
emptyView.setGravity(Gravity.START | Gravity.CENTER_VERTICAL);
|
|
getListView().setEmptyView(emptyView);
|
|
return emptyView;
|
|
}
|
|
|
|
private void setOffMessage() {
|
|
if (mEmptyView == 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 (isUiRestricted() || !wifiScanningMode) {
|
|
// Show only the brief text if the user is not allowed to configure scanning settings,
|
|
// or the scanning mode has been turned off.
|
|
mEmptyView.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(mEmptyView, 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) mEmptyView.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) {
|
|
if (mEmptyView != null) mEmptyView.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) {
|
|
Activity activity = getActivity();
|
|
if (activity != null) {
|
|
activity.invalidateOptionsMenu();
|
|
}
|
|
|
|
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 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.isSaved()) {
|
|
connect(mSelectedAccessPoint.getConfig());
|
|
}
|
|
} else if (config.networkId != INVALID_NETWORK_ID) {
|
|
if (mSelectedAccessPoint != null) {
|
|
mWifiManager.save(config, mSaveListener);
|
|
}
|
|
} else {
|
|
if (configController.isEdit()) {
|
|
mWifiManager.save(config, mSaveListener);
|
|
} else {
|
|
connect(config);
|
|
}
|
|
}
|
|
|
|
mWifiTracker.resumeScanning();
|
|
}
|
|
|
|
/* package */ void forget() {
|
|
MetricsLogger.action(getActivity(), MetricsLogger.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(), MetricsLogger.ACTION_WIFI_CONNECT);
|
|
mWifiManager.connect(config, mConnectListener);
|
|
}
|
|
|
|
protected void connect(final int networkId) {
|
|
MetricsLogger.action(getActivity(), MetricsLogger.ACTION_WIFI_CONNECT);
|
|
mWifiManager.connect(networkId, mConnectListener);
|
|
}
|
|
|
|
/**
|
|
* Refreshes acccess points and ask Wifi module to scan networks again.
|
|
*/
|
|
/* package */ void refreshAccessPoints() {
|
|
mWifiTracker.resumeScanning();
|
|
|
|
getPreferenceScreen().removeAll();
|
|
}
|
|
|
|
/**
|
|
* Called when "add network" button is pressed.
|
|
*/
|
|
/* package */ void onAddNetworkPressed() {
|
|
MetricsLogger.action(getActivity(), MetricsLogger.ACTION_WIFI_ADD_NETWORK);
|
|
// No exact access point is selected.
|
|
mSelectedAccessPoint = null;
|
|
showDialog(null, true);
|
|
}
|
|
|
|
/* package */ int getAccessPointsCount() {
|
|
final boolean wifiIsEnabled = mWifiTracker.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() {
|
|
mWifiTracker.pauseScanning();
|
|
}
|
|
|
|
/**
|
|
* Requests wifi module to resume wifi scan. May be ignored when the module is disabled.
|
|
*/
|
|
/* package */ void resumeWifiScan() {
|
|
mWifiTracker.resumeScanning();
|
|
}
|
|
|
|
@Override
|
|
protected int getHelpResource() {
|
|
return R.string.help_url_wifi;
|
|
}
|
|
|
|
@Override
|
|
public void onAccessPointChanged(AccessPoint accessPoint) {
|
|
((AccessPointPreference) accessPoint.getTag()).refresh();
|
|
}
|
|
|
|
@Override
|
|
public void onLevelChanged(AccessPoint accessPoint) {
|
|
((AccessPointPreference) accessPoint.getTag()).onLevelChanged();
|
|
}
|
|
|
|
public static final SearchIndexProvider SEARCH_INDEX_DATA_PROVIDER =
|
|
new BaseSearchIndexProvider() {
|
|
@Override
|
|
public List<SearchIndexableRaw> getRawDataToIndex(Context context, boolean enabled) {
|
|
final List<SearchIndexableRaw> result = new ArrayList<SearchIndexableRaw>();
|
|
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 String deviceOwnerPackageName = dpm.getDeviceOwner();
|
|
if (deviceOwnerPackageName != null) {
|
|
try {
|
|
final int deviceOwnerUid = pm.getPackageUid(deviceOwnerPackageName,
|
|
UserHandle.USER_OWNER);
|
|
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;
|
|
}
|
|
|
|
}
|