Android How to - Is Service Running








Question

We would like to know how to is Service Running.

Answer

// w  w w . j  a  va 2s.  c o m
/*
 * Copyright (C) 2013 nohana, Inc. All rights reserved.
 *
 * 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.
 */

import java.util.List;

import android.app.ActivityManager;
import android.app.ActivityManager.RunningServiceInfo;
import android.app.Service;
import android.content.Context;

/**
 * Utility for activity manager.
 * 
 * @author KeithYokoma
 */
@SuppressWarnings("unused")
// public APIs
class ActivityManagerUtils {
  /**
   * Do NOT instantiate this class.
   */
  private ActivityManagerUtils() {
  }

  /**
   * Checks if the specified service is currently running or not.
   * 
   * @param context
   * @param service
   * @return
   */
  public static final boolean isServiceRunning(Context context,
      Class<? extends Service> service) {
    return isServiceRunning(context, service, Integer.MAX_VALUE);
  }

  /**
   * Checks if the specified service is currently running or not.
   * 
   * @param context
   * @param service
   * @param maxCheckCount
   * @return
   */
  public static final boolean isServiceRunning(Context context,
      Class<? extends Service> service, int maxCheckCount) {
    if (context == null || service == null) {
      return false;
    }

    ActivityManager manager = (ActivityManager) context
        .getSystemService(Context.ACTIVITY_SERVICE);
    List<RunningServiceInfo> list = manager.getRunningServices(maxCheckCount);
    for (RunningServiceInfo info : list) {
      if (service.getCanonicalName().equals(info.service.getClassName())) {
        return true;
      }
    }
    return false;
  }

}