1 /* 2 * Copyright (C) 2018 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.network.telephony; 18 19 import android.content.ComponentName; 20 import android.content.Context; 21 import android.content.Intent; 22 import android.content.pm.PackageManager; 23 import android.content.pm.ResolveInfo; 24 import android.os.PersistableBundle; 25 import android.telephony.CarrierConfigManager; 26 import android.telephony.SubscriptionManager; 27 28 import androidx.annotation.VisibleForTesting; 29 import androidx.preference.Preference; 30 31 /** 32 * Preference controller for "Carrier Settings" 33 */ 34 public class CarrierPreferenceController extends TelephonyBasePreferenceController { 35 36 @VisibleForTesting 37 CarrierConfigManager mCarrierConfigManager; 38 CarrierPreferenceController(Context context, String key)39 public CarrierPreferenceController(Context context, String key) { 40 super(context, key); 41 mCarrierConfigManager = context.getSystemService(CarrierConfigManager.class); 42 } 43 init(int subId)44 public void init(int subId) { 45 mSubId = subId; 46 } 47 48 @Override getAvailabilityStatus(int subId)49 public int getAvailabilityStatus(int subId) { 50 final PersistableBundle carrierConfig = mCarrierConfigManager.getConfigForSubId(subId); 51 52 // Return available if it is in CDMA or GSM mode, and the flag is on 53 return carrierConfig != null 54 && carrierConfig.getBoolean(CarrierConfigManager.KEY_CARRIER_SETTINGS_ENABLE_BOOL) 55 && (MobileNetworkUtils.isCdmaOptions(mContext, subId) 56 || MobileNetworkUtils.isGsmOptions(mContext, subId)) 57 ? AVAILABLE 58 : CONDITIONALLY_UNAVAILABLE; 59 } 60 61 @Override handlePreferenceTreeClick(Preference preference)62 public boolean handlePreferenceTreeClick(Preference preference) { 63 if (getPreferenceKey().equals(preference.getKey())) { 64 final Intent carrierSettingsIntent = getCarrierSettingsActivityIntent(mSubId); 65 if (carrierSettingsIntent != null) { 66 mContext.startActivity(carrierSettingsIntent); 67 } 68 return true; 69 } 70 71 return false; 72 } 73 getCarrierSettingsActivityIntent(int subId)74 private Intent getCarrierSettingsActivityIntent(int subId) { 75 final PersistableBundle config = mCarrierConfigManager.getConfigForSubId(subId); 76 final ComponentName cn = ComponentName.unflattenFromString( 77 config == null ? "" : config.getString( 78 CarrierConfigManager.KEY_CARRIER_SETTINGS_ACTIVITY_COMPONENT_NAME_STRING, 79 "" /* default value */)); 80 81 if (cn == null) return null; 82 83 final Intent intent = new Intent(Intent.ACTION_MAIN); 84 intent.setComponent(cn); 85 intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 86 intent.putExtra(SubscriptionManager.EXTRA_SUBSCRIPTION_INDEX, subId); 87 88 final PackageManager pm = mContext.getPackageManager(); 89 final ResolveInfo resolveInfo = pm.resolveActivity(intent, 0 /* flags */); 90 return resolveInfo != null ? intent : null; 91 } 92 } 93