void getTask() {         ActivityManager activityManager;         try {             activityManager = (ActivityManager) this                     .getSystemService(ACTIVITY_SERVICE);             arylistTask = new ArrayList<String>();             List<ActivityManager.RunningTaskInfo> mRunningTasks =             activityManager.getRunningTasks(30); //30表示获取的最大数             /* 以循环及baseActivity方式取得任务名称与ID */                     for (RunningTaskInfo amTask : mRunningTasks)                 {                     Log.d("TaskInfo", amTask.baseActivity.getClassName()+"("+amTask.id+")");                 }             //获取服务             List<RunningServiceInfo> mserviceTasks =                 activityManager.getRunningServices(30); /* 以循环方式取得任务名称与ID */             for (RunningServiceInfo serinfo : mserviceTasks)             {                 Log.d("TaskServerInfo", serinfo.process+"("+serinfo.pid+")");             }         }         catch (Exception e)         {         }