43f0d13e1d
Add share button and authentication screen to confirm credentials (pin, pattern or password) for the current user of the device. Bug: 120517242 Test: make RunSettingsRoboTests Change-Id: Id79833db0d582c401f1371ff60429e42ce1990e0
630 lines
24 KiB
Java
630 lines
24 KiB
Java
/*
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* Copyright (C) 2017 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.details;
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import static android.net.NetworkCapabilities.NET_CAPABILITY_CAPTIVE_PORTAL;
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import static android.net.NetworkCapabilities.NET_CAPABILITY_VALIDATED;
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import static android.net.NetworkCapabilities.TRANSPORT_WIFI;
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import android.app.Activity;
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import android.app.KeyguardManager;
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import android.content.BroadcastReceiver;
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import android.content.Context;
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import android.content.Intent;
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import android.content.IntentFilter;
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import android.graphics.drawable.Drawable;
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import android.net.ConnectivityManager;
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import android.net.ConnectivityManager.NetworkCallback;
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import android.net.LinkAddress;
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import android.net.LinkProperties;
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import android.net.Network;
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import android.net.NetworkCapabilities;
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import android.net.NetworkInfo;
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import android.net.NetworkRequest;
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import android.net.NetworkUtils;
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import android.net.RouteInfo;
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import android.net.wifi.WifiConfiguration;
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import android.net.wifi.WifiInfo;
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import android.net.wifi.WifiManager;
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import android.os.Handler;
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import android.text.TextUtils;
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import android.util.FeatureFlagUtils;
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import android.util.Log;
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import android.widget.ImageView;
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import android.widget.Toast;
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import androidx.annotation.VisibleForTesting;
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import androidx.core.text.BidiFormatter;
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import androidx.fragment.app.Fragment;
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import androidx.preference.Preference;
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import androidx.preference.PreferenceCategory;
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import androidx.preference.PreferenceScreen;
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import com.android.internal.logging.nano.MetricsProto;
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import com.android.settings.R;
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import com.android.settings.Utils;
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import com.android.settings.core.FeatureFlags;
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import com.android.settings.core.PreferenceControllerMixin;
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import com.android.settings.widget.EntityHeaderController;
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import com.android.settings.wifi.dpp.WifiDppConfiguratorActivity;
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import com.android.settings.wifi.dpp.WifiDppUtils;
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import com.android.settings.wifi.WifiDialog;
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import com.android.settings.wifi.WifiDialog.WifiDialogListener;
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import com.android.settings.wifi.WifiUtils;
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import com.android.settingslib.core.AbstractPreferenceController;
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import com.android.settingslib.core.instrumentation.MetricsFeatureProvider;
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import com.android.settingslib.core.lifecycle.Lifecycle;
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import com.android.settingslib.core.lifecycle.LifecycleObserver;
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import com.android.settingslib.core.lifecycle.events.OnPause;
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import com.android.settingslib.core.lifecycle.events.OnResume;
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import com.android.settingslib.widget.ActionButtonsPreference;
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import com.android.settingslib.widget.LayoutPreference;
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import com.android.settingslib.wifi.AccessPoint;
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import java.net.Inet4Address;
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import java.net.Inet6Address;
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import java.net.InetAddress;
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import java.net.UnknownHostException;
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import java.util.StringJoiner;
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import java.util.stream.Collectors;
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/**
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* Controller for logic pertaining to displaying Wifi information for the
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* {@link WifiNetworkDetailsFragment}.
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*/
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public class WifiDetailPreferenceController extends AbstractPreferenceController
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implements PreferenceControllerMixin, WifiDialogListener, LifecycleObserver, OnPause,
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OnResume {
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private static final String TAG = "WifiDetailsPrefCtrl";
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private static final boolean DEBUG = Log.isLoggable(TAG, Log.DEBUG);
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@VisibleForTesting
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static final String KEY_HEADER = "connection_header";
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@VisibleForTesting
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static final String KEY_BUTTONS_PREF = "buttons";
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@VisibleForTesting
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static final String KEY_SIGNAL_STRENGTH_PREF = "signal_strength";
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@VisibleForTesting
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static final String KEY_LINK_SPEED = "link_speed";
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@VisibleForTesting
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static final String KEY_FREQUENCY_PREF = "frequency";
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@VisibleForTesting
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static final String KEY_SECURITY_PREF = "security";
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@VisibleForTesting
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static final String KEY_MAC_ADDRESS_PREF = "mac_address";
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@VisibleForTesting
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static final String KEY_IP_ADDRESS_PREF = "ip_address";
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@VisibleForTesting
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static final String KEY_GATEWAY_PREF = "gateway";
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@VisibleForTesting
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static final String KEY_SUBNET_MASK_PREF = "subnet_mask";
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@VisibleForTesting
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static final String KEY_DNS_PREF = "dns";
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@VisibleForTesting
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static final String KEY_IPV6_CATEGORY = "ipv6_category";
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@VisibleForTesting
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static final String KEY_IPV6_ADDRESSES_PREF = "ipv6_addresses";
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private AccessPoint mAccessPoint;
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private final ConnectivityManager mConnectivityManager;
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private final Fragment mFragment;
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private final Handler mHandler;
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private LinkProperties mLinkProperties;
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private Network mNetwork;
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private NetworkInfo mNetworkInfo;
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private NetworkCapabilities mNetworkCapabilities;
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private int mRssiSignalLevel = -1;
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private String[] mSignalStr;
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private WifiConfiguration mWifiConfig;
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private WifiInfo mWifiInfo;
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private final WifiManager mWifiManager;
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private final MetricsFeatureProvider mMetricsFeatureProvider;
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// UI elements - in order of appearance
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private ActionButtonsPreference mButtonsPref;
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private EntityHeaderController mEntityHeaderController;
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private Preference mSignalStrengthPref;
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private Preference mLinkSpeedPref;
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private Preference mFrequencyPref;
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private Preference mSecurityPref;
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private Preference mMacAddressPref;
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private Preference mIpAddressPref;
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private Preference mGatewayPref;
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private Preference mSubnetPref;
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private Preference mDnsPref;
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private PreferenceCategory mIpv6Category;
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private Preference mIpv6AddressPref;
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private final IconInjector mIconInjector;
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private final IntentFilter mFilter;
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private final BroadcastReceiver mReceiver = new BroadcastReceiver() {
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@Override
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public void onReceive(Context context, Intent intent) {
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switch (intent.getAction()) {
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case WifiManager.CONFIGURED_NETWORKS_CHANGED_ACTION:
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if (!intent.getBooleanExtra(WifiManager.EXTRA_MULTIPLE_NETWORKS_CHANGED,
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false /* defaultValue */)) {
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// only one network changed
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WifiConfiguration wifiConfiguration = intent
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.getParcelableExtra(WifiManager.EXTRA_WIFI_CONFIGURATION);
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if (mAccessPoint.matches(wifiConfiguration)) {
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mWifiConfig = wifiConfiguration;
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}
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}
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// fall through
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case WifiManager.NETWORK_STATE_CHANGED_ACTION:
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case WifiManager.RSSI_CHANGED_ACTION:
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updateInfo();
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break;
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}
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}
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};
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private final NetworkRequest mNetworkRequest = new NetworkRequest.Builder()
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.clearCapabilities().addTransportType(TRANSPORT_WIFI).build();
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// Must be run on the UI thread since it directly manipulates UI state.
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private final NetworkCallback mNetworkCallback = new NetworkCallback() {
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@Override
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public void onLinkPropertiesChanged(Network network, LinkProperties lp) {
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if (network.equals(mNetwork) && !lp.equals(mLinkProperties)) {
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mLinkProperties = lp;
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updateIpLayerInfo();
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}
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}
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private boolean hasCapabilityChanged(NetworkCapabilities nc, int cap) {
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// If this is the first time we get NetworkCapabilities, report that something changed.
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if (mNetworkCapabilities == null) return true;
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// nc can never be null, see ConnectivityService#callCallbackForRequest.
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return mNetworkCapabilities.hasCapability(cap) != nc.hasCapability(cap);
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}
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@Override
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public void onCapabilitiesChanged(Network network, NetworkCapabilities nc) {
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// If the network just validated or lost Internet access, refresh network state.
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// Don't do this on every NetworkCapabilities change because refreshNetworkState
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// sends IPCs to the system server from the UI thread, which can cause jank.
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if (network.equals(mNetwork) && !nc.equals(mNetworkCapabilities)) {
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if (hasCapabilityChanged(nc, NET_CAPABILITY_VALIDATED) ||
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hasCapabilityChanged(nc, NET_CAPABILITY_CAPTIVE_PORTAL)) {
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refreshNetworkState();
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}
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mNetworkCapabilities = nc;
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updateIpLayerInfo();
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}
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}
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@Override
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public void onLost(Network network) {
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if (network.equals(mNetwork)) {
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exitActivity();
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}
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}
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};
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public static WifiDetailPreferenceController newInstance(
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AccessPoint accessPoint,
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ConnectivityManager connectivityManager,
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Context context,
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Fragment fragment,
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Handler handler,
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Lifecycle lifecycle,
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WifiManager wifiManager,
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MetricsFeatureProvider metricsFeatureProvider) {
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return new WifiDetailPreferenceController(
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accessPoint, connectivityManager, context, fragment, handler, lifecycle,
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wifiManager, metricsFeatureProvider, new IconInjector(context));
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}
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@VisibleForTesting
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/* package */ WifiDetailPreferenceController(
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AccessPoint accessPoint,
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ConnectivityManager connectivityManager,
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Context context,
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Fragment fragment,
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Handler handler,
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Lifecycle lifecycle,
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WifiManager wifiManager,
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MetricsFeatureProvider metricsFeatureProvider,
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IconInjector injector) {
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super(context);
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mAccessPoint = accessPoint;
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mConnectivityManager = connectivityManager;
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mFragment = fragment;
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mHandler = handler;
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mSignalStr = context.getResources().getStringArray(R.array.wifi_signal);
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mWifiConfig = accessPoint.getConfig();
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mWifiManager = wifiManager;
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mMetricsFeatureProvider = metricsFeatureProvider;
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mIconInjector = injector;
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mFilter = new IntentFilter();
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mFilter.addAction(WifiManager.NETWORK_STATE_CHANGED_ACTION);
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mFilter.addAction(WifiManager.RSSI_CHANGED_ACTION);
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mFilter.addAction(WifiManager.CONFIGURED_NETWORKS_CHANGED_ACTION);
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lifecycle.addObserver(this);
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}
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@Override
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public boolean isAvailable() {
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return true;
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}
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@Override
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public String getPreferenceKey() {
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// Returns null since this controller contains more than one Preference
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return null;
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}
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@Override
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public void displayPreference(PreferenceScreen screen) {
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super.displayPreference(screen);
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setupEntityHeader(screen);
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mButtonsPref = ((ActionButtonsPreference) screen.findPreference(KEY_BUTTONS_PREF))
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.setButton1Text(R.string.forget)
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.setButton1Icon(R.drawable.ic_settings_delete)
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.setButton1OnClickListener(view -> forgetNetwork())
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.setButton2Text(R.string.wifi_sign_in_button_text)
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.setButton2OnClickListener(view -> signIntoNetwork())
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.setButton3Text(R.string.share)
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.setButton3Icon(R.drawable.ic_qrcode_24dp)
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.setButton3OnClickListener(view -> shareNetwork());
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mSignalStrengthPref = screen.findPreference(KEY_SIGNAL_STRENGTH_PREF);
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mLinkSpeedPref = screen.findPreference(KEY_LINK_SPEED);
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mFrequencyPref = screen.findPreference(KEY_FREQUENCY_PREF);
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mSecurityPref = screen.findPreference(KEY_SECURITY_PREF);
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mMacAddressPref = screen.findPreference(KEY_MAC_ADDRESS_PREF);
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mIpAddressPref = screen.findPreference(KEY_IP_ADDRESS_PREF);
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mGatewayPref = screen.findPreference(KEY_GATEWAY_PREF);
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mSubnetPref = screen.findPreference(KEY_SUBNET_MASK_PREF);
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mDnsPref = screen.findPreference(KEY_DNS_PREF);
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mIpv6Category = (PreferenceCategory) screen.findPreference(KEY_IPV6_CATEGORY);
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mIpv6AddressPref = screen.findPreference(KEY_IPV6_ADDRESSES_PREF);
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mSecurityPref.setSummary(mAccessPoint.getSecurityString(/* concise */ false));
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}
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private void setupEntityHeader(PreferenceScreen screen) {
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LayoutPreference headerPref = (LayoutPreference) screen.findPreference(KEY_HEADER);
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mEntityHeaderController =
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EntityHeaderController.newInstance(
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mFragment.getActivity(), mFragment,
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headerPref.findViewById(R.id.entity_header));
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ImageView iconView = headerPref.findViewById(R.id.entity_header_icon);
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iconView.setBackground(
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mContext.getDrawable(R.drawable.ic_settings_widget_background));
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iconView.setScaleType(ImageView.ScaleType.CENTER_INSIDE);
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mEntityHeaderController.setLabel(mAccessPoint.getSsidStr());
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}
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@Override
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public void onResume() {
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// Ensure mNetwork is set before any callbacks above are delivered, since our
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// NetworkCallback only looks at changes to mNetwork.
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mNetwork = mWifiManager.getCurrentNetwork();
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mLinkProperties = mConnectivityManager.getLinkProperties(mNetwork);
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mNetworkCapabilities = mConnectivityManager.getNetworkCapabilities(mNetwork);
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updateInfo();
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mContext.registerReceiver(mReceiver, mFilter);
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mConnectivityManager.registerNetworkCallback(mNetworkRequest, mNetworkCallback,
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mHandler);
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}
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@Override
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public void onPause() {
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mNetwork = null;
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mLinkProperties = null;
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mNetworkCapabilities = null;
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mNetworkInfo = null;
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mWifiInfo = null;
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mContext.unregisterReceiver(mReceiver);
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mConnectivityManager.unregisterNetworkCallback(mNetworkCallback);
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}
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private void updateInfo() {
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// No need to fetch LinkProperties and NetworkCapabilities, they are updated by the
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// callbacks. mNetwork doesn't change except in onResume.
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mNetworkInfo = mConnectivityManager.getNetworkInfo(mNetwork);
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mWifiInfo = mWifiManager.getConnectionInfo();
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if (mNetwork == null || mNetworkInfo == null || mWifiInfo == null) {
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exitActivity();
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return;
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}
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// Update whether the forget button should be displayed.
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mButtonsPref.setButton1Visible(canForgetNetwork());
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refreshNetworkState();
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// Update Connection Header icon and Signal Strength Preference
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refreshRssiViews();
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// MAC Address Pref
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mMacAddressPref.setSummary(mWifiInfo.getMacAddress());
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// Link Speed Pref
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int linkSpeedMbps = mWifiInfo.getLinkSpeed();
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mLinkSpeedPref.setVisible(linkSpeedMbps >= 0);
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mLinkSpeedPref.setSummary(mContext.getString(
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R.string.link_speed, mWifiInfo.getLinkSpeed()));
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// Frequency Pref
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final int frequency = mWifiInfo.getFrequency();
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String band = null;
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if (frequency >= AccessPoint.LOWER_FREQ_24GHZ
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&& frequency < AccessPoint.HIGHER_FREQ_24GHZ) {
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band = mContext.getResources().getString(R.string.wifi_band_24ghz);
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} else if (frequency >= AccessPoint.LOWER_FREQ_5GHZ
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&& frequency < AccessPoint.HIGHER_FREQ_5GHZ) {
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band = mContext.getResources().getString(R.string.wifi_band_5ghz);
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} else {
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Log.e(TAG, "Unexpected frequency " + frequency);
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}
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mFrequencyPref.setSummary(band);
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updateIpLayerInfo();
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}
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private void exitActivity() {
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if (DEBUG) {
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Log.d(TAG, "Exiting the WifiNetworkDetailsPage");
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}
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mFragment.getActivity().finish();
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}
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private void refreshNetworkState() {
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mAccessPoint.update(mWifiConfig, mWifiInfo, mNetworkInfo);
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mEntityHeaderController.setSummary(mAccessPoint.getSettingsSummary())
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.done(mFragment.getActivity(), true /* rebind */);
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}
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private void refreshRssiViews() {
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int signalLevel = mAccessPoint.getLevel();
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if (mRssiSignalLevel == signalLevel) {
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return;
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}
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mRssiSignalLevel = signalLevel;
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Drawable wifiIcon = mIconInjector.getIcon(mRssiSignalLevel);
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wifiIcon.setTintList(Utils.getColorAccent(mContext));
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mEntityHeaderController.setIcon(wifiIcon).done(mFragment.getActivity(), true /* rebind */);
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Drawable wifiIconDark = wifiIcon.getConstantState().newDrawable().mutate();
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wifiIconDark.setTintList(Utils.getColorAttr(mContext, android.R.attr.colorControlNormal));
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mSignalStrengthPref.setIcon(wifiIconDark);
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mSignalStrengthPref.setSummary(mSignalStr[mRssiSignalLevel]);
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}
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private void updatePreference(Preference pref, String detailText) {
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if (!TextUtils.isEmpty(detailText)) {
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pref.setSummary(detailText);
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pref.setVisible(true);
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} else {
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pref.setVisible(false);
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}
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}
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private void updateIpLayerInfo() {
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mButtonsPref.setButton2Visible(canSignIntoNetwork());
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mButtonsPref.setButton3Visible(isSharingNetworkEnabled());
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mButtonsPref.setVisible(
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canSignIntoNetwork() || canForgetNetwork() || isSharingNetworkEnabled());
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if (mNetwork == null || mLinkProperties == null) {
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mIpAddressPref.setVisible(false);
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mSubnetPref.setVisible(false);
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mGatewayPref.setVisible(false);
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mDnsPref.setVisible(false);
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mIpv6Category.setVisible(false);
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return;
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}
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// Find IPv4 and IPv6 addresses.
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String ipv4Address = null;
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String subnet = null;
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StringJoiner ipv6Addresses = new StringJoiner("\n");
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for (LinkAddress addr : mLinkProperties.getLinkAddresses()) {
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if (addr.getAddress() instanceof Inet4Address) {
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ipv4Address = addr.getAddress().getHostAddress();
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subnet = ipv4PrefixLengthToSubnetMask(addr.getPrefixLength());
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} else if (addr.getAddress() instanceof Inet6Address) {
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ipv6Addresses.add(addr.getAddress().getHostAddress());
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}
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}
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// Find IPv4 default gateway.
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String gateway = null;
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for (RouteInfo routeInfo : mLinkProperties.getRoutes()) {
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if (routeInfo.isIPv4Default() && routeInfo.hasGateway()) {
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gateway = routeInfo.getGateway().getHostAddress();
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break;
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}
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}
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// Find all (IPv4 and IPv6) DNS addresses.
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String dnsServers = mLinkProperties.getDnsServers().stream()
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.map(InetAddress::getHostAddress)
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.collect(Collectors.joining("\n"));
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// Update UI.
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updatePreference(mIpAddressPref, ipv4Address);
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updatePreference(mSubnetPref, subnet);
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updatePreference(mGatewayPref, gateway);
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updatePreference(mDnsPref, dnsServers);
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if (ipv6Addresses.length() > 0) {
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mIpv6AddressPref.setSummary(
|
|
BidiFormatter.getInstance().unicodeWrap(ipv6Addresses.toString()));
|
|
mIpv6Category.setVisible(true);
|
|
} else {
|
|
mIpv6Category.setVisible(false);
|
|
}
|
|
}
|
|
|
|
private static String ipv4PrefixLengthToSubnetMask(int prefixLength) {
|
|
try {
|
|
InetAddress all = InetAddress.getByAddress(
|
|
new byte[] {(byte) 255, (byte) 255, (byte) 255, (byte) 255});
|
|
return NetworkUtils.getNetworkPart(all, prefixLength).getHostAddress();
|
|
} catch (UnknownHostException e) {
|
|
return null;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Returns whether the network represented by this preference can be forgotten.
|
|
*/
|
|
private boolean canForgetNetwork() {
|
|
return (mWifiInfo != null && mWifiInfo.isEphemeral()) || canModifyNetwork();
|
|
}
|
|
|
|
/**
|
|
* Returns whether the network represented by this preference can be modified.
|
|
*/
|
|
public boolean canModifyNetwork() {
|
|
return mWifiConfig != null && !WifiUtils.isNetworkLockedDown(mContext, mWifiConfig);
|
|
}
|
|
|
|
/**
|
|
* Returns whether the user can sign into the network represented by this preference.
|
|
*/
|
|
private boolean canSignIntoNetwork() {
|
|
return WifiUtils.canSignIntoNetwork(mNetworkCapabilities);
|
|
}
|
|
|
|
/**
|
|
* Returns whether the user can share the network represented by this preference with QR code.
|
|
*/
|
|
private boolean isSharingNetworkEnabled() {
|
|
return FeatureFlagUtils.isEnabled(mContext, FeatureFlags.WIFI_SHARING);
|
|
}
|
|
|
|
/**
|
|
* Forgets the wifi network associated with this preference.
|
|
*/
|
|
private void forgetNetwork() {
|
|
if (mWifiInfo != null && mWifiInfo.isEphemeral()) {
|
|
mWifiManager.disableEphemeralNetwork(mWifiInfo.getSSID());
|
|
} else if (mWifiConfig != null) {
|
|
if (mWifiConfig.isPasspoint()) {
|
|
mWifiManager.removePasspointConfiguration(mWifiConfig.FQDN);
|
|
} else {
|
|
mWifiManager.forget(mWifiConfig.networkId, null /* action listener */);
|
|
}
|
|
}
|
|
mMetricsFeatureProvider.action(
|
|
mFragment.getActivity(), MetricsProto.MetricsEvent.ACTION_WIFI_FORGET);
|
|
mFragment.getActivity().finish();
|
|
}
|
|
|
|
/**
|
|
* Show QR code to share the network represented by this preference.
|
|
*/
|
|
public void launchQRCodeGenerator() {
|
|
final Intent intent = new Intent(
|
|
WifiDppConfiguratorActivity.ACTION_CONFIGURATOR_QR_CODE_GENERATOR);
|
|
intent.putExtra(WifiDppUtils.EXTRA_WIFI_SECURITY,
|
|
mAccessPoint.getSecurityString(/* concise */ false));
|
|
intent.putExtra(WifiDppUtils.EXTRA_WIFI_SSID, mAccessPoint.getSsidStr());
|
|
mContext.startActivity(intent);
|
|
}
|
|
|
|
/**
|
|
* Share the wifi network with QR code.
|
|
*/
|
|
private void shareNetwork() {
|
|
final KeyguardManager keyguardManager = (KeyguardManager) mContext.getSystemService(
|
|
Context.KEYGUARD_SERVICE);
|
|
if (keyguardManager.isKeyguardSecure()) {
|
|
// Show authentication screen to confirm credentials (pin, pattern or password) for
|
|
// the current user of the device.
|
|
final String description = String.format(
|
|
mContext.getString(R.string.wifi_sharing_message),
|
|
mAccessPoint.getSsidStr());
|
|
final Intent intent = keyguardManager.createConfirmDeviceCredentialIntent(
|
|
mContext.getString(R.string.lockpassword_confirm_your_pattern_header),
|
|
description);
|
|
if (intent != null) {
|
|
mFragment.startActivityForResult(intent,
|
|
WifiNetworkDetailsFragment.REQUEST_CODE_CONFIRM_DEVICE_CREDENTIALS);
|
|
}
|
|
} else {
|
|
launchQRCodeGenerator();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Sign in to the captive portal found on this wifi network associated with this preference.
|
|
*/
|
|
private void signIntoNetwork() {
|
|
mMetricsFeatureProvider.action(
|
|
mFragment.getActivity(), MetricsProto.MetricsEvent.ACTION_WIFI_SIGNIN);
|
|
mConnectivityManager.startCaptivePortalApp(mNetwork);
|
|
}
|
|
|
|
@Override
|
|
public void onSubmit(WifiDialog dialog) {
|
|
if (dialog.getController() != null) {
|
|
mWifiManager.save(dialog.getController().getConfig(), new WifiManager.ActionListener() {
|
|
@Override
|
|
public void onSuccess() {
|
|
}
|
|
|
|
@Override
|
|
public void onFailure(int reason) {
|
|
Activity activity = mFragment.getActivity();
|
|
if (activity != null) {
|
|
Toast.makeText(activity,
|
|
R.string.wifi_failed_save_message,
|
|
Toast.LENGTH_SHORT).show();
|
|
}
|
|
}
|
|
});
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Wrapper for testing compatibility.
|
|
*/
|
|
@VisibleForTesting
|
|
static class IconInjector {
|
|
private final Context mContext;
|
|
|
|
public IconInjector(Context context) {
|
|
mContext = context;
|
|
}
|
|
|
|
public Drawable getIcon(int level) {
|
|
return mContext.getDrawable(Utils.getWifiIconResource(level)).mutate();
|
|
}
|
|
}
|
|
}
|