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在写appium代码的时候，有的人想使用wait方法，写成：driver.wait()，结果抛出异常：IllegalMonitorStateException，看了appium client的api文档，关于wait方法是这么写的：
public final void wait()
throws InterruptedException
notify() method or the notifyAll() method for this object. In other words, this method behaves exactly as if it simply performs the call wait(0).
The current thread must own this object‘s monitor. The thread releases ownership of this monitor and waits until another thread notifies threads waiting on this object‘s monitor to wake up either through a call to the notify method or thenotifyAll method. The thread then waits until it can re-obtain ownership of the monitor and resumes execution.
As in the one argument version, interrupts and spurious wakeups are possible, and this method should always be used in a loop:
synchronized (obj) {
while (<condition does not hold>)
obj.wait();
... // Perform action appropriate to condition
}
This method should only be called by a thread that is the owner of this object‘s monitor. See the notify method for a description of the ways in which a thread can become the owner of a monitor.IllegalMonitorStateException - if the current thread is not the owner of the object‘s monitor.InterruptedException - if any thread interrupted the current thread before or while the current thread was waiting for a notification. The interrupted status of the current thread is cleared when this exception is thrown.notify(), notifyAll()synchronized (driver)
{
driver.wait();
}
这样就可以了，但是需要调用notify方法唤醒线程
appium中driver.wait报IllegalMonitorStateException的解释
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原文地址：http://www.cnblogs.com/Eric-zhao/p/5193596.html
