“PostMessage”从工作线程发送消息到主GUI线程

Question

我创建了一个线程，现在我想从线程向主GUI线程发送消息（做特定事件），这样GUI线程就可以执行我的message.can任何一个告诉我如何做到这一点在iphone（Objective C）

Answer 1

  //This will call selected method on main thread and you can do what ever you want to do in your selected method.

[self performSelectorOnMainThread:@selector(yourmethod) withObject:yourobject waitUntilDone:NO];

希望，这会对你有帮助..

Answer 2

您可以使用GCD和阻止

dispatch_async(dispatch_get_main_queue(), ^{
    // UI code to run on main thread
});