1 /* 2 * Copyright (C) 2017 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 package com.android.car.settings.wifi; 17 18 import android.net.wifi.WifiManager; 19 import android.os.Bundle; 20 import android.provider.Settings; 21 22 import androidx.annotation.NonNull; 23 import androidx.annotation.Nullable; 24 import androidx.annotation.XmlRes; 25 26 import com.android.car.settings.R; 27 import com.android.car.settings.common.SettingsFragment; 28 import com.android.car.settings.search.CarBaseSearchIndexProvider; 29 import com.android.car.ui.toolbar.MenuItem; 30 import com.android.car.ui.toolbar.ProgressBarController; 31 import com.android.settingslib.search.SearchIndexable; 32 import com.android.settingslib.wifi.AccessPoint; 33 34 import java.util.Collections; 35 import java.util.List; 36 37 /** 38 * Main page to host Wifi related preferences. 39 */ 40 @SearchIndexable 41 public class WifiSettingsFragment extends SettingsFragment 42 implements CarWifiManager.Listener { 43 44 private static final int SEARCHING_DELAY_MILLIS = 1700; 45 private static final String EXTRA_CONNECTED_ACCESS_POINT_KEY = "connected_access_point_key"; 46 47 private CarWifiManager mCarWifiManager; 48 private ProgressBarController mProgressBar; 49 private MenuItem mWifiSwitch; 50 @Nullable 51 private String mConnectedAccessPointKey; 52 53 @Override getToolbarMenuItems()54 public List<MenuItem> getToolbarMenuItems() { 55 return Collections.singletonList(mWifiSwitch); 56 } 57 58 @Override 59 @XmlRes getPreferenceScreenResId()60 protected int getPreferenceScreenResId() { 61 return R.xml.wifi_list_fragment; 62 } 63 64 @Override onCreate(Bundle savedInstanceState)65 public void onCreate(Bundle savedInstanceState) { 66 super.onCreate(savedInstanceState); 67 mCarWifiManager = new CarWifiManager(getContext()); 68 69 mWifiSwitch = new MenuItem.Builder(getContext()) 70 .setCheckable() 71 .setChecked(mCarWifiManager.isWifiEnabled()) 72 .setOnClickListener(i -> { 73 if (mWifiSwitch.isChecked() != mCarWifiManager.isWifiEnabled()) { 74 mCarWifiManager.setWifiEnabled(mWifiSwitch.isChecked()); 75 } 76 }) 77 .build(); 78 79 if (savedInstanceState != null) { 80 mConnectedAccessPointKey = savedInstanceState.getString( 81 EXTRA_CONNECTED_ACCESS_POINT_KEY); 82 } 83 } 84 85 @Override onSaveInstanceState(@onNull Bundle outState)86 public void onSaveInstanceState(@NonNull Bundle outState) { 87 super.onSaveInstanceState(outState); 88 outState.putString(EXTRA_CONNECTED_ACCESS_POINT_KEY, mConnectedAccessPointKey); 89 } 90 91 @Override onActivityCreated(Bundle savedInstanceState)92 public void onActivityCreated(Bundle savedInstanceState) { 93 super.onActivityCreated(savedInstanceState); 94 95 mProgressBar = getToolbar().getProgressBar(); 96 } 97 98 @Override onStart()99 public void onStart() { 100 super.onStart(); 101 mCarWifiManager.addListener(this); 102 mCarWifiManager.start(); 103 onWifiStateChanged(mCarWifiManager.getWifiState()); 104 } 105 106 @Override onStop()107 public void onStop() { 108 super.onStop(); 109 mCarWifiManager.removeListener(this); 110 mCarWifiManager.stop(); 111 mProgressBar.setVisible(false); 112 } 113 114 @Override onDestroy()115 public void onDestroy() { 116 super.onDestroy(); 117 mCarWifiManager.destroy(); 118 } 119 120 @Override onAccessPointsChanged()121 public void onAccessPointsChanged() { 122 mProgressBar.setVisible(true); 123 getView().postDelayed(() -> mProgressBar.setVisible(false), SEARCHING_DELAY_MILLIS); 124 AccessPoint connectedAccessPoint = mCarWifiManager.getConnectedAccessPoint(); 125 if (connectedAccessPoint != null) { 126 String connectedAccessPointKey = connectedAccessPoint.getKey(); 127 if (!connectedAccessPointKey.equals(mConnectedAccessPointKey)) { 128 scrollToPreference(connectedAccessPointKey); 129 mConnectedAccessPointKey = connectedAccessPointKey; 130 } 131 } else { 132 mConnectedAccessPointKey = null; 133 } 134 } 135 136 @Override onWifiStateChanged(int state)137 public void onWifiStateChanged(int state) { 138 mWifiSwitch.setChecked(mCarWifiManager.isWifiEnabled()); 139 switch (state) { 140 case WifiManager.WIFI_STATE_ENABLING: 141 mProgressBar.setVisible(true); 142 break; 143 default: 144 mProgressBar.setVisible(false); 145 } 146 } 147 148 /** 149 * Data provider for Settings Search. 150 */ 151 public static final CarBaseSearchIndexProvider SEARCH_INDEX_DATA_PROVIDER = 152 new CarBaseSearchIndexProvider(R.xml.wifi_list_fragment, Settings.ACTION_WIFI_SETTINGS); 153 } 154