通过单击事件开启线程时，再次单击就会出现 java.lang.IllegalThreadStateException: Thread already started. 错误
解决办法：
创建一个Runnable：
Runnable DownloadRunnable = new Runnable() {
@Override
public void run() {
//需要处理操作
}
new Thread(DownloadRunnable).start();
遇到java.lang.IllegalThreadStateException: Thread already started. 错误的解决办法,布布扣,bubuko.com
遇到java.lang.IllegalThreadStateException: Thread already started. 错误的解决办法