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 17 package com.android.settings.wifi; 18 19 import android.content.Context; 20 import android.provider.Settings; 21 22 import com.android.settings.core.TogglePreferenceController; 23 24 /** 25 * CellularFallbackPreferenceController controls whether we should fall back to celluar when 26 * wifi is bad. 27 */ 28 public class CellularFallbackPreferenceController extends TogglePreferenceController { 29 CellularFallbackPreferenceController(Context context, String key)30 public CellularFallbackPreferenceController(Context context, String key) { 31 super(context, key); 32 } 33 34 @Override getAvailabilityStatus()35 public int getAvailabilityStatus() { 36 return !avoidBadWifiConfig() ? AVAILABLE : UNSUPPORTED_ON_DEVICE; 37 } 38 39 @Override isChecked()40 public boolean isChecked() { 41 return avoidBadWifiCurrentSettings(); 42 } 43 44 @Override setChecked(boolean isChecked)45 public boolean setChecked(boolean isChecked) { 46 // On: avoid bad wifi. Off: prompt. 47 return Settings.Global.putString(mContext.getContentResolver(), 48 Settings.Global.NETWORK_AVOID_BAD_WIFI, isChecked ? "1" : null); 49 } 50 avoidBadWifiConfig()51 private boolean avoidBadWifiConfig() { 52 return mContext.getResources().getInteger( 53 com.android.internal.R.integer.config_networkAvoidBadWifi) == 1; 54 } 55 avoidBadWifiCurrentSettings()56 private boolean avoidBadWifiCurrentSettings() { 57 return "1".equals(Settings.Global.getString(mContext.getContentResolver(), 58 Settings.Global.NETWORK_AVOID_BAD_WIFI)); 59 } 60 }