iOS 7升级后，UISearchbar中的UItextField失败 [英] UItextField within UISearchbar failing after iOS 7 upgrade

问题描述

我有一个用于UISearchBar的UITextField，它在iOS 7升级之前有效，现在它在此行失败： UITextField * textfield =（UITextField *）[[searchBar subviews] objectAtIndex：1];


I have a UITextField for the UISearchBar which this was working until iOS 7 upgrade and now it fails at this line: UITextField *textfield=(UITextField*)[[searchBar subviews] objectAtIndex:1];

任何想法如何解决这个问题？谢谢

any idea how to fix this? thanks

    // search bar
searchBar = [[UISearchBar alloc] initWithFrame:CGRectMake(0.0, 0.0, 190.0, 44.0)];
searchBar.autoresizingMask = UIViewAutoresizingFlexibleWidth;
UIView *searchBarView = [[UIView alloc] initWithFrame:CGRectMake(90.0, 0.0, 230.0, 44.0)];
searchBarView.autoresizingMask = 0;
searchBar.delegate = self;

searchBar.layer.borderColor=[UIColor whiteColor].CGColor;

UITextField *textfield=(UITextField*)[[searchBar subviews] objectAtIndex:1];

[searchBarView addSubview:searchBar];

self.navigationItem.titleView = searchBarView;

推荐答案

试试这个，它在两个 IOS6中都有效和 IOS7 + 和安全的approch

try this , it's work in Both IOS6 and IOS7+ and safe approch

[[UITextField appearanceWhenContainedIn:[UISearchBar class], nil] setFont:[UIFont fontWithName:@"ArialMT" size:10]];

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