1 /** 2 * Copyright 2021, 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.media.tv.tuner; 18 19 import android.hardware.tv.tuner.FrontendEventType; 20 import android.hardware.tv.tuner.FrontendScanMessage; 21 import android.hardware.tv.tuner.FrontendScanMessageType; 22 23 /** 24 * TunerFrontendCallback interface handles tuner frontend related callbacks. 25 * 26 * {@hide} 27 */ 28 interface ITunerFrontendCallback { 29 /** 30 * Notify the client that a new event happened on the frontend. 31 */ onEvent(in FrontendEventType frontendEventType)32 void onEvent(in FrontendEventType frontendEventType); 33 34 /** 35 * notify the client of scan messages. 36 */ onScanMessage(in FrontendScanMessageType messageType, in FrontendScanMessage message)37 void onScanMessage(in FrontendScanMessageType messageType, 38 in FrontendScanMessage message); 39 } 40