Android 如何检测一个服务是否还在运行?

前言
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正文

public static  boolean isServiceStarted(Context context,String PackageName){
    boolean isStarted =false;

    try{
    int intGetTastCounter = 1000;

    ActivityManager mActivityManager =
        (ActivityManager)context.getSystemService(Context.ACTIVITY_SERVICE);

    List<ActivityManager.RunningServiceInfo> mRunningService =
        mActivityManager.getRunningServices(intGetTastCounter);

    for (ActivityManager.RunningServiceInfo amService : mRunningService){
        if(0 == amService.service.getPackageName().compareTo(PackageName)){
        isStarted = true;
        break;
        }
    }
    }catch(SecurityException e){
    e.printStackTrace();
    }            

    return isStarted;
}