1 /* 2 * Copyright (C) 2024 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.Context 20 import android.telephony.CarrierConfigManager 21 import android.telephony.SubscriptionManager 22 import android.telephony.TelephonyManager 23 import android.util.Log 24 25 class NrRepository(private val context: Context) { 26 private val carrierConfigRepository = CarrierConfigRepository(context) 27 isNrAvailablenull28 fun isNrAvailable(subId: Int): Boolean { 29 if (!SubscriptionManager.isValidSubscriptionId(subId) || !has5gCapability(subId)) { 30 return false 31 } 32 val carrierNrAvailabilities = 33 carrierConfigRepository.getIntArray( 34 subId = subId, 35 key = CarrierConfigManager.KEY_CARRIER_NR_AVAILABILITIES_INT_ARRAY, 36 ) 37 return carrierNrAvailabilities?.isNotEmpty() ?: false 38 } 39 has5gCapabilitynull40 private fun has5gCapability(subId: Int): Boolean { 41 val telephonyManager = context.telephonyManager(subId) 42 return (telephonyManager.supportedRadioAccessFamily and 43 TelephonyManager.NETWORK_TYPE_BITMASK_NR > 0) 44 .also { Log.d(TAG, "[$subId] has5gCapability: $it") } 45 } 46 47 private companion object { 48 private const val TAG = "NrRepository" 49 } 50 } 51