「PostMessage」從一個工作線程發送消息到主GUI線程

Question

我已經創建了一個線程，現在我想從線程發送消息（做特定事件）到主GUI線程，所以th GUI線程可以執行我的message.can任何一個可以告訴我如何做到這一點的iphone（目標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，這將幫助你..

Answer 2

您可以使用GCD和塊

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