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本来想做一个定时器终止重启,对 设置了一个按钮按下时
if (timer==null) { timer=new Timer(); timer.schedule(MYtask, 60 , 60 * 10); }else { timer.cancel; timer=null; }
然后在手机上运行时就报错查了一下好像是 cancel方法只能使用一次,再次使用会报错请问这是为什么啊?
ringa_lee
ringa_lee