| /* |
| * Copyright (C) 2019 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.car.settings.wifi; |
| |
| import android.car.drivingstate.CarUxRestrictions; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.SharedPreferences; |
| import android.net.wifi.WifiConfiguration; |
| |
| import androidx.localbroadcastmanager.content.LocalBroadcastManager; |
| import androidx.preference.ListPreference; |
| |
| import com.android.car.settings.R; |
| import com.android.car.settings.common.FragmentController; |
| |
| /** |
| * Controls WiFi Hotspot Security Type configuration. |
| */ |
| public class WifiTetherSecurityPreferenceController extends |
| WifiTetherBasePreferenceController<ListPreference> { |
| |
| public static final String KEY_SECURITY_TYPE = "KEY_SECURITY_TYPE"; |
| public static final String ACTION_SECURITY_TYPE_CHANGED = |
| "com.android.car.settings.wifi.ACTION_WIFI_TETHER_SECURITY_TYPE_CHANGED"; |
| |
| private int mSecurityType; |
| |
| public WifiTetherSecurityPreferenceController(Context context, String preferenceKey, |
| FragmentController fragmentController, CarUxRestrictions uxRestrictions) { |
| super(context, preferenceKey, fragmentController, uxRestrictions); |
| } |
| |
| @Override |
| protected Class<ListPreference> getPreferenceType() { |
| return ListPreference.class; |
| } |
| |
| @Override |
| protected void onCreateInternal() { |
| super.onCreateInternal(); |
| mSecurityType = getCarWifiApConfig().getAuthType(); |
| getPreference().setEntries( |
| getContext().getResources().getStringArray(R.array.wifi_tether_security)); |
| String[] entryValues = {Integer.toString(WifiConfiguration.KeyMgmt.WPA2_PSK), |
| Integer.toString(WifiConfiguration.KeyMgmt.NONE)}; |
| getPreference().setEntryValues(entryValues); |
| getPreference().setValue(String.valueOf(mSecurityType)); |
| } |
| |
| @Override |
| protected boolean handlePreferenceChanged(ListPreference preference, |
| Object newValue) { |
| mSecurityType = Integer.parseInt(newValue.toString()); |
| updateSecurityType(); |
| refreshUi(); |
| return true; |
| } |
| |
| @Override |
| protected void updateState(ListPreference preference) { |
| super.updateState(preference); |
| preference.setValue(Integer.toString(mSecurityType)); |
| } |
| |
| @Override |
| protected String getSummary() { |
| int stringResId = mSecurityType == WifiConfiguration.KeyMgmt.WPA2_PSK |
| ? R.string.wifi_hotspot_wpa2_personal : R.string.wifi_hotspot_security_none; |
| return getContext().getString(stringResId); |
| } |
| |
| @Override |
| protected String getDefaultSummary() { |
| return null; |
| } |
| |
| private void updateSecurityType() { |
| WifiConfiguration config = getCarWifiApConfig(); |
| config.allowedKeyManagement.clear(); |
| config.allowedKeyManagement.set(mSecurityType); |
| |
| if (mSecurityType == WifiConfiguration.KeyMgmt.NONE) { |
| config.preSharedKey = ""; |
| } else { |
| config.preSharedKey = getSavedPassword(); |
| } |
| |
| setCarWifiApConfig(config); |
| broadcastSecurityTypeChanged(); |
| } |
| |
| private void broadcastSecurityTypeChanged() { |
| Intent intent = new Intent(ACTION_SECURITY_TYPE_CHANGED); |
| intent.putExtra(KEY_SECURITY_TYPE, mSecurityType); |
| LocalBroadcastManager.getInstance(getContext()).sendBroadcast(intent); |
| } |
| |
| private String getSavedPassword() { |
| SharedPreferences sp = getContext().getSharedPreferences( |
| WifiTetherPasswordPreferenceController.SHARED_PREFERENCE_PATH, |
| Context.MODE_PRIVATE); |
| String savedPassword = |
| sp.getString(WifiTetherPasswordPreferenceController.KEY_SAVED_PASSWORD, |
| /* defaultValue= */ null); |
| return savedPassword; |
| } |
| } |