我使用以下代码在网络可用时安排工作:staticJobSchedulerjobScheduler(Contextcontext){return(JobScheduler)context.getSystemService(Context.JOB_SCHEDULER_SERVICE);}staticJobInfojobInfo(Contextcontext,DatenextTime){returnnewJobInfo.Builder((int)R.string.action_send_mail,newComponentName(context,MessageJobService.class