android Timer and TImerTask

android Timer and TImerTask

Caused by: java.lang.IllegalStateException: TimerTask is scheduled already
E/AndroidRuntime(31290):     at java.util.Timer.scheduleImpl(Timer.java:569)
E/AndroidRuntime(31290):     at java.util.Timer.schedule(Timer.java:478)
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原文地址：https://www.cnblogs.com/conncui/p/timer.html