这有什么区别:
[[NSOperationQueue mainQueue] addOperationWithBlock:^{
[self doSomthing:object];
}];
和这个:
[self performSelectorOnMainThread:@selector(doSomething:) withObject:object waitUntilDone:NO]
这有什么区别:
[[NSOperationQueue mainQueue] addOperationWithBlock:^{
[self doSomthing:object];
}];
和这个:
[self performSelectorOnMainThread:@selector(doSomething:) withObject:object waitUntilDone:NO]