| /* |
| * Copyright (C) 2015 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.content.res.Resources; |
| import android.net.NetworkScoreManager; |
| import android.net.NetworkScorerAppManager; |
| import android.net.wifi.WifiConfiguration; |
| import android.net.wifi.WifiInfo; |
| import android.net.wifi.WifiManager; |
| import android.os.Bundle; |
| import android.os.UserManager; |
| import android.provider.Settings; |
| import android.support.v14.preference.SwitchPreference; |
| import android.support.v7.preference.ListPreference; |
| import android.support.v7.preference.Preference; |
| import android.text.TextUtils; |
| import android.util.Log; |
| import android.widget.Toast; |
| import com.android.internal.logging.nano.MetricsProto.MetricsEvent; |
| import com.android.settings.AppListSwitchPreference; |
| import com.android.settings.R; |
| import com.android.settings.SettingsPreferenceFragment; |
| import com.android.settings.Utils; |
| |
| import java.util.Collection; |
| import java.util.List; |
| |
| public class ConfigureWifiSettings extends SettingsPreferenceFragment |
| implements Preference.OnPreferenceChangeListener { |
| private static final String TAG = "ConfigureWifiSettings"; |
| |
| private static final String KEY_MAC_ADDRESS = "mac_address"; |
| private static final String KEY_SAVED_NETWORKS = "saved_networks"; |
| private static final String KEY_CURRENT_IP_ADDRESS = "current_ip_address"; |
| private static final String KEY_NOTIFY_OPEN_NETWORKS = "notify_open_networks"; |
| private static final String KEY_SLEEP_POLICY = "sleep_policy"; |
| private static final String KEY_CELLULAR_FALLBACK = "wifi_cellular_data_fallback"; |
| private static final String KEY_WIFI_ASSISTANT = "wifi_assistant"; |
| |
| private WifiManager mWifiManager; |
| private NetworkScoreManager mNetworkScoreManager; |
| private AppListSwitchPreference mWifiAssistantPreference; |
| |
| private IntentFilter mFilter; |
| |
| @Override |
| public void onCreate(Bundle icicle) { |
| super.onCreate(icicle); |
| addPreferencesFromResource(R.xml.wifi_configure_settings); |
| } |
| |
| @Override |
| public void onActivityCreated(Bundle savedInstanceState) { |
| super.onActivityCreated(savedInstanceState); |
| mWifiManager = (WifiManager) getSystemService(Context.WIFI_SERVICE); |
| mFilter = new IntentFilter(); |
| mFilter.addAction(WifiManager.LINK_CONFIGURATION_CHANGED_ACTION); |
| mFilter.addAction(WifiManager.NETWORK_STATE_CHANGED_ACTION); |
| mNetworkScoreManager = |
| (NetworkScoreManager) getSystemService(Context.NETWORK_SCORE_SERVICE); |
| } |
| |
| @Override |
| public void onResume() { |
| super.onResume(); |
| initPreferences(); |
| getActivity().registerReceiver(mReceiver, mFilter); |
| refreshWifiInfo(); |
| } |
| |
| @Override |
| public void onPause() { |
| super.onPause(); |
| getActivity().unregisterReceiver(mReceiver); |
| } |
| |
| private void initPreferences() { |
| List<WifiConfiguration> configs = mWifiManager.getConfiguredNetworks(); |
| if (configs == null || configs.size() == 0) { |
| removePreference(KEY_SAVED_NETWORKS); |
| } |
| |
| SwitchPreference notifyOpenNetworks = |
| (SwitchPreference) findPreference(KEY_NOTIFY_OPEN_NETWORKS); |
| notifyOpenNetworks.setChecked(Settings.Global.getInt(getContentResolver(), |
| Settings.Global.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON, 0) == 1); |
| notifyOpenNetworks.setEnabled(mWifiManager.isWifiEnabled()); |
| |
| final Context context = getActivity(); |
| if (avoidBadWifiConfig()) { |
| // Hide preference toggle, always avoid bad wifi networks. |
| removePreference(KEY_CELLULAR_FALLBACK); |
| } else { |
| // Show preference toggle, initialized based on current settings value. |
| boolean currentSetting = avoidBadWifiCurrentSettings(); |
| SwitchPreference pref = (SwitchPreference) findPreference(KEY_CELLULAR_FALLBACK); |
| // TODO: can this ever be null? The return value of avoidBadWifiConfig() can only |
| // change if the resources change, but if that happens the activity will be recreated... |
| if (pref != null) { |
| pref.setChecked(currentSetting); |
| } |
| } |
| |
| mWifiAssistantPreference = (AppListSwitchPreference) findPreference(KEY_WIFI_ASSISTANT); |
| Collection<NetworkScorerAppManager.NetworkScorerAppData> scorers = |
| NetworkScorerAppManager.getAllValidScorers(context); |
| if (UserManager.get(context).isAdminUser() && !scorers.isEmpty()) { |
| mWifiAssistantPreference.setOnPreferenceChangeListener(this); |
| initWifiAssistantPreference(scorers); |
| } else if (mWifiAssistantPreference != null) { |
| getPreferenceScreen().removePreference(mWifiAssistantPreference); |
| } |
| |
| ListPreference sleepPolicyPref = (ListPreference) findPreference(KEY_SLEEP_POLICY); |
| if (sleepPolicyPref != null) { |
| if (Utils.isWifiOnly(context)) { |
| sleepPolicyPref.setEntries(R.array.wifi_sleep_policy_entries_wifi_only); |
| } |
| sleepPolicyPref.setOnPreferenceChangeListener(this); |
| int value = Settings.Global.getInt(getContentResolver(), |
| Settings.Global.WIFI_SLEEP_POLICY, |
| Settings.Global.WIFI_SLEEP_POLICY_NEVER); |
| String stringValue = String.valueOf(value); |
| sleepPolicyPref.setValue(stringValue); |
| updateSleepPolicySummary(sleepPolicyPref, stringValue); |
| } |
| } |
| |
| private void updateSleepPolicySummary(Preference sleepPolicyPref, String value) { |
| if (value != null) { |
| String[] values = getResources().getStringArray(R.array.wifi_sleep_policy_values); |
| final int summaryArrayResId = Utils.isWifiOnly(getActivity()) ? |
| R.array.wifi_sleep_policy_entries_wifi_only : R.array.wifi_sleep_policy_entries; |
| String[] summaries = getResources().getStringArray(summaryArrayResId); |
| for (int i = 0; i < values.length; i++) { |
| if (value.equals(values[i])) { |
| if (i < summaries.length) { |
| sleepPolicyPref.setSummary(summaries[i]); |
| return; |
| } |
| } |
| } |
| } |
| |
| sleepPolicyPref.setSummary(""); |
| Log.e(TAG, "Invalid sleep policy value: " + value); |
| } |
| |
| private boolean avoidBadWifiConfig() { |
| return getActivity().getResources().getInteger( |
| com.android.internal.R.integer.config_networkAvoidBadWifi) == 1; |
| } |
| |
| private boolean avoidBadWifiCurrentSettings() { |
| return "1".equals(Settings.Global.getString(getContentResolver(), |
| Settings.Global.NETWORK_AVOID_BAD_WIFI)); |
| } |
| |
| @Override |
| public boolean onPreferenceTreeClick(Preference preference) { |
| String key = preference.getKey(); |
| |
| if (KEY_NOTIFY_OPEN_NETWORKS.equals(key)) { |
| Settings.Global.putInt(getContentResolver(), |
| Settings.Global.WIFI_NETWORKS_AVAILABLE_NOTIFICATION_ON, |
| ((SwitchPreference) preference).isChecked() ? 1 : 0); |
| } else if (KEY_CELLULAR_FALLBACK.equals(key)) { |
| // On: avoid bad wifi. Off: prompt. |
| String settingName = Settings.Global.NETWORK_AVOID_BAD_WIFI; |
| Settings.Global.putString(getContentResolver(), settingName, |
| ((SwitchPreference) preference).isChecked() ? "1" : null); |
| } else { |
| return super.onPreferenceTreeClick(preference); |
| } |
| return true; |
| } |
| |
| @Override |
| public boolean onPreferenceChange(Preference preference, Object newValue) { |
| final Context context = getActivity(); |
| String key = preference.getKey(); |
| |
| if (KEY_WIFI_ASSISTANT.equals(key)) { |
| NetworkScorerAppManager.NetworkScorerAppData wifiAssistant = |
| NetworkScorerAppManager.getScorer(context, (String) newValue); |
| if (wifiAssistant == null) { |
| mNetworkScoreManager.setActiveScorer(null); |
| return true; |
| } |
| |
| Intent intent = new Intent(); |
| if (wifiAssistant.mConfigurationActivityClassName != null) { |
| // App has a custom configuration activity; launch that. |
| // This custom activity will be responsible for launching the system |
| // dialog. |
| intent.setClassName(wifiAssistant.mPackageName, |
| wifiAssistant.mConfigurationActivityClassName); |
| } else { |
| // Fall back on the system dialog. |
| intent.setAction(NetworkScoreManager.ACTION_CHANGE_ACTIVE); |
| intent.putExtra(NetworkScoreManager.EXTRA_PACKAGE_NAME, |
| wifiAssistant.mPackageName); |
| } |
| |
| startActivity(intent); |
| // Don't update the preference widget state until the child activity returns. |
| // It will be updated in onResume after the activity finishes. |
| return false; |
| } |
| |
| if (KEY_SLEEP_POLICY.equals(key)) { |
| try { |
| String stringValue = (String) newValue; |
| Settings.Global.putInt(getContentResolver(), Settings.Global.WIFI_SLEEP_POLICY, |
| Integer.parseInt(stringValue)); |
| updateSleepPolicySummary(preference, stringValue); |
| } catch (NumberFormatException e) { |
| Toast.makeText(context, R.string.wifi_setting_sleep_policy_error, |
| Toast.LENGTH_SHORT).show(); |
| return false; |
| } |
| } |
| |
| return true; |
| } |
| |
| private void refreshWifiInfo() { |
| final Context context = getActivity(); |
| WifiInfo wifiInfo = mWifiManager.getConnectionInfo(); |
| |
| Preference wifiMacAddressPref = findPreference(KEY_MAC_ADDRESS); |
| String macAddress = wifiInfo == null ? null : wifiInfo.getMacAddress(); |
| wifiMacAddressPref.setSummary(!TextUtils.isEmpty(macAddress) ? macAddress |
| : context.getString(R.string.status_unavailable)); |
| wifiMacAddressPref.setSelectable(false); |
| |
| Preference wifiIpAddressPref = findPreference(KEY_CURRENT_IP_ADDRESS); |
| String ipAddress = Utils.getWifiIpAddresses(context); |
| wifiIpAddressPref.setSummary(ipAddress == null ? |
| context.getString(R.string.status_unavailable) : ipAddress); |
| wifiIpAddressPref.setSelectable(false); |
| } |
| |
| private void initWifiAssistantPreference( |
| Collection<NetworkScorerAppManager.NetworkScorerAppData> scorers) { |
| int count = scorers.size(); |
| String[] packageNames = new String[count]; |
| int i = 0; |
| for (NetworkScorerAppManager.NetworkScorerAppData scorer : scorers) { |
| packageNames[i] = scorer.mPackageName; |
| i++; |
| } |
| mWifiAssistantPreference.setPackageNames(packageNames, |
| mNetworkScoreManager.getActiveScorerPackage()); |
| } |
| |
| @Override |
| public int getMetricsCategory() { |
| return MetricsEvent.CONFIGURE_WIFI; |
| } |
| |
| 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)) { |
| refreshWifiInfo(); |
| } |
| } |
| }; |
| } |