Java tutorial
//package com.java2s; import android.app.ActivityManager; import android.content.Context; import android.content.Intent; import java.util.List; public class Main { public static void startService(Context context, Class clazz, Intent intent) { if (!isServiceRunning(context, clazz.getName())) { context.startService(intent); } } public static boolean isServiceRunning(Context context, String className) { boolean isRunning = false; ActivityManager activityManager = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE); List<ActivityManager.RunningServiceInfo> serviceList = activityManager .getRunningServices(Integer.MAX_VALUE); if (serviceList.size() <= 0) { return false; } for (int i = 0; i < serviceList.size(); i++) { if (serviceList.get(i).service.getClassName().equals(className) == true) { isRunning = true; break; } } return isRunning; } }