| /* |
| * Copyright (C) 2017 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.settings.wifi; |
| |
| import android.content.BroadcastReceiver; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.IntentFilter; |
| import android.net.wifi.WifiInfo; |
| import android.net.wifi.WifiManager; |
| import android.provider.Settings; |
| import android.text.TextUtils; |
| |
| import androidx.core.text.BidiFormatter; |
| import androidx.preference.Preference; |
| import androidx.preference.PreferenceScreen; |
| |
| import com.android.settings.R; |
| import com.android.settings.Utils; |
| import com.android.settings.core.PreferenceControllerMixin; |
| import com.android.settingslib.core.AbstractPreferenceController; |
| import com.android.settingslib.core.lifecycle.Lifecycle; |
| import com.android.settingslib.core.lifecycle.LifecycleObserver; |
| import com.android.settingslib.core.lifecycle.events.OnPause; |
| import com.android.settingslib.core.lifecycle.events.OnResume; |
| |
| /** |
| * {@link PreferenceControllerMixin} that updates MAC/IP address. |
| */ |
| public class WifiInfoPreferenceController extends AbstractPreferenceController |
| implements PreferenceControllerMixin, LifecycleObserver, OnResume, OnPause { |
| |
| private static final String KEY_CURRENT_IP_ADDRESS = "current_ip_address"; |
| private static final String KEY_MAC_ADDRESS = "mac_address"; |
| |
| private final IntentFilter mFilter; |
| private final WifiManager mWifiManager; |
| |
| private Preference mWifiMacAddressPref; |
| private Preference mWifiIpAddressPref; |
| |
| public WifiInfoPreferenceController(Context context, Lifecycle lifecycle, |
| WifiManager wifiManager) { |
| super(context); |
| mWifiManager = wifiManager; |
| mFilter = new IntentFilter(); |
| mFilter.addAction(WifiManager.LINK_CONFIGURATION_CHANGED_ACTION); |
| mFilter.addAction(WifiManager.NETWORK_STATE_CHANGED_ACTION); |
| |
| lifecycle.addObserver(this); |
| } |
| |
| @Override |
| public boolean isAvailable() { |
| return true; |
| } |
| |
| @Override |
| public String getPreferenceKey() { |
| // Returns null because this controller contains more than 1 preference. |
| return null; |
| } |
| |
| @Override |
| public void displayPreference(PreferenceScreen screen) { |
| super.displayPreference(screen); |
| mWifiMacAddressPref = screen.findPreference(KEY_MAC_ADDRESS); |
| mWifiMacAddressPref.setSelectable(false); |
| mWifiIpAddressPref = screen.findPreference(KEY_CURRENT_IP_ADDRESS); |
| mWifiIpAddressPref.setSelectable(false); |
| } |
| |
| @Override |
| public void onResume() { |
| mContext.registerReceiver(mReceiver, mFilter); |
| updateWifiInfo(); |
| } |
| |
| @Override |
| public void onPause() { |
| mContext.unregisterReceiver(mReceiver); |
| } |
| |
| public void updateWifiInfo() { |
| if (mWifiMacAddressPref != null) { |
| final WifiInfo wifiInfo = mWifiManager.getConnectionInfo(); |
| final int macRandomizationMode = Settings.Global.getInt(mContext.getContentResolver(), |
| Settings.Global.WIFI_CONNECTED_MAC_RANDOMIZATION_ENABLED, 0); |
| final String macAddress = wifiInfo == null ? null : wifiInfo.getMacAddress(); |
| |
| if (macRandomizationMode == 1 |
| && WifiInfo.DEFAULT_MAC_ADDRESS.equals(macAddress)) { |
| mWifiMacAddressPref.setSummary(R.string.wifi_status_mac_randomized); |
| } else if (TextUtils.isEmpty(macAddress) |
| || WifiInfo.DEFAULT_MAC_ADDRESS.equals(macAddress)) { |
| mWifiMacAddressPref.setSummary(R.string.status_unavailable); |
| } else { |
| mWifiMacAddressPref.setSummary(macAddress); |
| } |
| } |
| if (mWifiIpAddressPref != null) { |
| final String ipAddress = Utils.getWifiIpAddresses(mContext); |
| mWifiIpAddressPref.setSummary(ipAddress == null |
| ? mContext.getString(R.string.status_unavailable) |
| : BidiFormatter.getInstance().unicodeWrap(ipAddress)); |
| } |
| } |
| |
| private final BroadcastReceiver mReceiver = new BroadcastReceiver() { |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| String action = intent.getAction(); |
| if (action.equals(WifiManager.LINK_CONFIGURATION_CHANGED_ACTION) || |
| action.equals(WifiManager.NETWORK_STATE_CHANGED_ACTION)) { |
| updateWifiInfo(); |
| } |
| } |
| }; |
| } |