// Dispose of any resources that can be recreated.
}
@end
线程间通讯
线程下载完图片后怎么通知主线程更新界面呢?
复制代码
[self performSelectorOnMainThread:@selector(updateUI:) withObject:image waitUntilDone:YES];
performSelectorOnMainThread是NSObject的方法,除了可以更新主线程的数据外,还可以更新其他线程的比如:
用: 复制代码 performSelector:onThread:withObject:waitUntilDone:
运行下载图片:
图片下载下来了。
注:相关教程知识阅读请移步到IOS开发频道。











