| /** |
| * Copyright (c) 2016, The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package com.android.car.radio.service; |
| |
| import android.hardware.radio.RadioManager; |
| |
| /** |
| * Interface for applications to listen for changes in the current radio state. |
| */ |
| oneway interface IRadioCallback { |
| /** |
| * Called when the current program info has changed. |
| * |
| * This might happen either as a result of tune operation or just metadata change. |
| * |
| * @param info The current program info. |
| */ |
| void onCurrentProgramInfoChanged(in RadioManager.ProgramInfo info); |
| |
| /** |
| * Called when the current radio band has changed. |
| * |
| * @param radioBand A radio band value from {@link RadioManager}. |
| */ |
| void onRadioBandChanged(int radioBand); |
| |
| /** |
| * Called when the mute state of the radio has changed. |
| * |
| * @param isMuted {@code true} if the radio is muted. |
| */ |
| void onRadioMuteChanged(boolean isMuted); |
| |
| /** |
| * Called when the radio has encountered an error. |
| * |
| * @param status One of the error states in {@link RadioManager}. For example, |
| * {@link RadioManager#ERROR_HARDWARE_FAILURE}. |
| */ |
| void onError(int status); |
| } |