Question

uinavigationbar 怎么添加一个textfield

Answer 1

- (void)initSearchBar{
_textSearch = [[UISearchTextFiled alloc] initWithFrame:CGRectMake(0, 7, ScreenWidth - 50, 30)];
_textSearch.placeholder = @"在此输入查找内容";
_textSearch.leftView = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"icon_ssh"]];
_textSearch.leftViewMode = UITextFieldViewModeAlways;
_textSearch.backgroundColor = [UIColor whiteColor];
_textSearch.layer.masksToBounds = YES;
_textSearch.layer.cornerRadius = 15;
_textSearch.tintColor = [UIColor blueColor]; //<span style="color:#ff0000;">如果不加此句则在ios7以上系统不显示光标</span>

[_textSearch addTarget:self action:@selector(textFieldDidChange:) forControlEvents:UIControlEventEditingChanged];

self.navigationItem.titleView = _textSearch;

UIBarButtonItem *cancelButton =[[UIBarButtonItem alloc] initWithTitle:@"取消" style:UIBarButtonItemStylePlain target:self action:@selector(onCancel:)];
NSDictionary *textAttr = @{NSFontAttributeName:[UIFont systemFontOfSize:20]};
[cancelButton setTitleTextAttributes:textAttr forState:UIControlStateNormal];

self.navigationItem.rightBarButtonItem = cancelButton;

[_textSearch becomeFirstResponder];

}