1 /* 2 * Copyright (C) 2022 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 android.telephony.ims.feature; 18 19 import android.annotation.FlaggedApi; 20 import android.annotation.NonNull; 21 import android.annotation.SystemApi; 22 23 import com.android.internal.telephony.flags.Flags; 24 25 /** 26 * A callback class used to receive the result of {@link MmTelFeature#startImsTrafficSession}. 27 * @hide 28 */ 29 @FlaggedApi(Flags.FLAG_SUPPORT_IMS_MMTEL_INTERFACE) 30 @SystemApi 31 public interface ImsTrafficSessionCallback { 32 33 /** The modem is ready to process the IMS traffic. */ onReady()34 void onReady(); 35 36 /** 37 * Notifies that any IMS traffic can not be sent to the network due to the provided cellular 38 * network failure. IMS service shall call {@link MmTelFeature#stopImsTrafficSession()} 39 * when receiving this callback. 40 * 41 * @param info The information of the failure. 42 */ onError(@onNull ConnectionFailureInfo info)43 void onError(@NonNull ConnectionFailureInfo info); 44 } 45