“PostMessage”从一个工作线程发送消息到主GUI线程

Question

我已经创建了一个线程，现在我想从线程发送消息（做特定事件）到主GUI线程，所以th GUI线程可以执行我的message.can任何一个可以告诉我如何做到这一点的iphone（目标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，这将帮助你..

Answer 2

您可以使用GCD和块

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