Question

我以编程方式创建了UISearchController，并为我添加的searchBar设置了框架。但searchBar有wider frame，点击它后点按带有搜索栏的cancel按钮;它重新获得了正确的框架。如何在viewDidLoad设置正确的内容？

代码就是这样：

searchBar = [[UISearchBar alloc] initWithFrame:CGRectMake(0, 0, 310, 44)];
searchControllerMain = [[UISearchController alloc] initWithSearchResultsController:self.searchResultController];
searchControllerMain.searchBar.delegate = self;
searchControllerMain.searchResultsUpdater = self;
[searchControllerMain.searchBar sizeToFit];
[searchControllerMain.searchBar setPlaceholder:@"events"];
searchControllerMain.searchBar.barTintColor = [UIColor clearColor];
searchControllerMain.searchBar.searchBarStyle = UISearchBarStyleMinimal;
[[UITextField appearanceWhenContainedIn:[UISearchBar class], nil] setBackgroundColor:[UIColor lightGrayColor]];
[self.searchResultController.tableView reloadData];

UIView *searchBarContainer = [[UIView alloc] initWithFrame:searchBar.frame];
[searchBarContainer addSubview:searchControllerMain.searchBar];
self.navigationItem.rightBarButtonItem= [[UIBarButtonItem alloc] initWithCustomView:searchBarContainer];

Answer 1

以下是我如何在导航项searchBar中放置titleView。

self.searchBar = [UISearchBar new];
self.searchBar.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
self.searchBar.searchBarStyle = UISearchBarStyleMinimal;
self.searchBar.placeholder = @"Search gospel events";
self.searchBar.delegate = self;
self.navigationItem.titleView = self.searchBar;

如您所见，我没有设置框架。它以正确的初始尺寸开始，并随着方向的变化调整尺寸。

您是否尝试过设置明确的autoresizingMask？我从未尝试将其放在自定义栏按钮项中，因此我不确定这是否也会解决您的自定义容器问题。

Answer 2

试试这个：

-(void)viewDidLayoutSubviews{
   [super viewDidLayoutSubviews];
   [searchControllerMain.searchBar setFrame:CGRectMake(0, 0, 310, 44)];
   [searchControllerMain.searchBar setBounds:CGRectMake(0, 0, 310, 44)];
}

它对我有用!!

搜索栏在viewDidLoad处具有更宽的框架

2 个答案: