1 /** 2 * Copyright (C) 2017 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.hardware.radio; 18 19 import android.graphics.Bitmap; 20 import android.hardware.radio.ProgramList; 21 import android.hardware.radio.ProgramSelector; 22 import android.hardware.radio.RadioManager; 23 24 /** {@hide} */ 25 interface ITuner { close()26 void close(); 27 isClosed()28 boolean isClosed(); 29 30 /** 31 * @throws IllegalArgumentException if config is not valid or null 32 */ setConfiguration(in RadioManager.BandConfig config)33 void setConfiguration(in RadioManager.BandConfig config); 34 getConfiguration()35 RadioManager.BandConfig getConfiguration(); 36 37 /** 38 * @throws IllegalStateException if tuner was opened without audio 39 */ setMuted(boolean mute)40 void setMuted(boolean mute); 41 isMuted()42 boolean isMuted(); 43 44 /** 45 * @throws IllegalStateException if called out of sequence 46 */ step(boolean directionDown, boolean skipSubChannel)47 void step(boolean directionDown, boolean skipSubChannel); 48 49 /** 50 * @throws IllegalStateException if called out of sequence 51 */ scan(boolean directionDown, boolean skipSubChannel)52 void scan(boolean directionDown, boolean skipSubChannel); 53 54 /** 55 * @throws IllegalArgumentException if invalid arguments are passed 56 * @throws IllegalStateException if called out of sequence 57 */ tune(in ProgramSelector selector)58 void tune(in ProgramSelector selector); 59 60 /** 61 * @throws IllegalStateException if called out of sequence 62 */ cancel()63 void cancel(); 64 cancelAnnouncement()65 void cancelAnnouncement(); 66 getImage(int id)67 Bitmap getImage(int id); 68 69 /** 70 * @return {@code true} if the scan was properly scheduled, 71 * {@code false} if the scan feature is unavailable 72 */ startBackgroundScan()73 boolean startBackgroundScan(); 74 startProgramListUpdates(in ProgramList.Filter filter)75 void startProgramListUpdates(in ProgramList.Filter filter); stopProgramListUpdates()76 void stopProgramListUpdates(); 77 isConfigFlagSupported(int flag)78 boolean isConfigFlagSupported(int flag); isConfigFlagSet(int flag)79 boolean isConfigFlagSet(int flag); setConfigFlag(int flag, boolean value)80 void setConfigFlag(int flag, boolean value); 81 82 /** 83 * @param parameters Vendor-specific key-value pairs, must be Map<String, String> 84 * @return Vendor-specific key-value pairs, must be Map<String, String> 85 */ setParameters(in Map parameters)86 Map setParameters(in Map parameters); 87 88 /** 89 * @param keys Parameter keys to fetch 90 * @return Vendor-specific key-value pairs, must be Map<String, String> 91 */ getParameters(in List<String> keys)92 Map getParameters(in List<String> keys); 93 } 94