1 /* 2 * Copyright (C) 2019 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.car.settings.wifi; 18 19 import android.car.drivingstate.CarUxRestrictions; 20 import android.content.Context; 21 import android.net.wifi.SoftApConfiguration; 22 23 import com.android.car.settings.common.FragmentController; 24 import com.android.car.settings.common.ValidatedEditTextPreference; 25 26 /** 27 * Controls WiFi Hotspot name configuration. When Hotspot is enabled, this name that will be 28 * displayed as the Access Point to the Hotspot. 29 */ 30 public class WifiTetherNamePreferenceController extends 31 WifiTetherBasePreferenceController<ValidatedEditTextPreference> { 32 33 private static final int HOTSPOT_NAME_MIN_LENGTH = 1; 34 private static final int HOTSPOT_NAME_MAX_LENGTH = 32; 35 private static final ValidatedEditTextPreference.Validator NAME_VALIDATOR = 36 value -> value.length() >= HOTSPOT_NAME_MIN_LENGTH 37 && value.length() <= HOTSPOT_NAME_MAX_LENGTH; 38 39 private String mName; 40 WifiTetherNamePreferenceController(Context context, String preferenceKey, FragmentController fragmentController, CarUxRestrictions uxRestrictions)41 public WifiTetherNamePreferenceController(Context context, String preferenceKey, 42 FragmentController fragmentController, CarUxRestrictions uxRestrictions) { 43 super(context, preferenceKey, fragmentController, uxRestrictions); 44 } 45 46 @Override getPreferenceType()47 protected Class<ValidatedEditTextPreference> getPreferenceType() { 48 return ValidatedEditTextPreference.class; 49 } 50 51 @Override onCreateInternal()52 protected void onCreateInternal() { 53 super.onCreateInternal(); 54 getPreference().setValidator(NAME_VALIDATOR); 55 SoftApConfiguration config = getCarSoftApConfig(); 56 if (config != null) { 57 mName = config.getSsid(); 58 } 59 } 60 61 @Override handlePreferenceChanged(ValidatedEditTextPreference preference, Object newValue)62 protected boolean handlePreferenceChanged(ValidatedEditTextPreference preference, 63 Object newValue) { 64 mName = newValue.toString(); 65 updateSSID(mName); 66 refreshUi(); 67 return true; 68 } 69 70 @Override updateState(ValidatedEditTextPreference preference)71 protected void updateState(ValidatedEditTextPreference preference) { 72 super.updateState(preference); 73 preference.setText(mName); 74 } 75 updateSSID(String ssid)76 private void updateSSID(String ssid) { 77 SoftApConfiguration config = getCarSoftApConfig(); 78 if (config != null) { 79 config = new SoftApConfiguration.Builder(config) 80 .setSsid(ssid) 81 .build(); 82 setCarSoftApConfig(config); 83 } 84 } 85 86 @Override getSummary()87 protected String getSummary() { 88 return mName; 89 } 90 91 @Override getDefaultSummary()92 protected String getDefaultSummary() { 93 return null; 94 } 95 } 96