单击按钮时如何激活UISearchDisplayController

Question

I have this UISearchDisplayController and so far it can only be activated (ready to type with a drop down searchresulttableview ) when someone clicks the UISearchBar . Is there a way to make a button do this task? I will appreciate any answer I receive.

Answer 1

您是否在按钮选择器中尝试过[searchDisplayController.searchbar becomeFirstResponder] ？

Answer 2

Look at the docs for UISearchDisplayController . There is an active property and a setActive:animated: method.

Have your button action call this:

[theSearchController setActive:YES animated:YES];

Answer 3

Since UISearchBar extends UIResponder just like a UITextField , you can simply call becomeFirstResponder on the search bar to give it focus.

[button addTarget:self action:@selector(clickedSearchBar) forControlEvents:UIControlEventTouchUpInside];

- (void)clickedSearchBar {
    [searchDisplayController.searchbar becomeFirstResponder];
}