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what is so special about UI Thread?

 
Greenhorn
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Hi,

I was going through some posts and blogs, and i found that UI Threads can update UI but other threads can not.
So i want to ask What is so special about UI Threads so that they can update UI component whereas other threads can not update.
In addition, why normal threads can not update UI components.

Please correct me if their is some mistake in my understanding of UI Threads.
Please update me regarding UI Threads

Thanks in appreciation
 
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My answer on your other post kinda hints at why UI threads are special. Background threads are meant for long running operations. You do not want to mix them with UI threads.

https://coderanch.com/forums/posts/list/593552#2710151
 
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