content: /*
   * Copyright 2015, 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.example.android.testing.ServiceTestRuleSample;
  
  import android.app.Service;
  import android.content.Intent;
  import android.os.Binder;
  import android.os.IBinder;
  
  import java.util.Random;
  
  /**
   * {@link Service} that generates random numbers.
   * <p>
   * A seed for the random number generator can be set via the {@link Intent} passed to
   * {@link #onBind(Intent)}.
   */
  public class LocalService extends Service {
      // Used as a key for the Intent.
      public static final String SEED_KEY = "SEED_KEY";
  
      // Binder given to clients
      private final IBinder mBinder = new LocalBinder();
  
      // Random number generator
      private Random mGenerator = new Random();
  
      private long mSeed;
  
      @Override
      public IBinder onBind(Intent intent) {
          // If the Intent comes with a seed for the number generator, apply it.
          if (intent.hasExtra(SEED_KEY)) {
              mSeed = intent.getLongExtra(SEED_KEY, 0);
              mGenerator.setSeed(mSeed);
          }
          return mBinder;
      }
  
      public class LocalBinder extends Binder {
  
          public LocalService getService() {
              // Return this instance of LocalService so clients can call public methods.
              return LocalService.this;
          }
      }
  
      /**
       * Returns a random integer in [0, 100).
       */
      public int getRandomInt() {
          return mGenerator.nextInt(100);
      }
  }
  