content: /**
   * Copyright (C) 2017 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.server.broadcastradio.hal1;
  
  import android.annotation.NonNull;
  import android.Manifest;
  import android.content.Context;
  import android.content.pm.PackageManager;
  import android.hardware.radio.IRadioService;
  import android.hardware.radio.ITuner;
  import android.hardware.radio.ITunerCallback;
  import android.hardware.radio.RadioManager;
  import android.os.ParcelableException;
  
  import com.android.server.SystemService;
  
  import java.util.List;
  import java.util.Objects;
  
  public class BroadcastRadioService {
      /**
       * This field is used by native code, do not access or modify.
       */
      private final long mNativeContext = nativeInit();
  
      private final Object mLock = new Object();
  
      @Override
      protected void finalize() throws Throwable {
          nativeFinalize(mNativeContext);
          super.finalize();
      }
  
      private native long nativeInit();
      private native void nativeFinalize(long nativeContext);
      private native List<RadioManager.ModuleProperties> nativeLoadModules(long nativeContext);
      private native Tuner nativeOpenTuner(long nativeContext, int moduleId,
              RadioManager.BandConfig config, boolean withAudio, ITunerCallback callback);
  
      public @NonNull List<RadioManager.ModuleProperties> loadModules() {
          synchronized (mLock) {
              return Objects.requireNonNull(nativeLoadModules(mNativeContext));
          }
      }
  
      public ITuner openTuner(int moduleId, RadioManager.BandConfig bandConfig,
              boolean withAudio, @NonNull ITunerCallback callback) {
          synchronized (mLock) {
              return nativeOpenTuner(mNativeContext, moduleId, bandConfig, withAudio, callback);
          }
      }
  }
  