※ 引述《valda (valda)》之銘言：
: 請問如何在navigation bar 上加上一個textfield
: 感謝
: 試了很多次都不太行
UITextField *aTextField = [[UITextField alloc] initWithFrame:CGRectMake(0.0, 0.0, 200.0, 40.0)];
aTextField.borderStyle = UITextBorderStyleRoundedRect;
aTextField.contentVerticalAlignment = UIControlContentVerticalAlignmentCenter;
aTextField.placeholder = @"Type something here";
self.textField = [aTextField autorelease];
self.navigationItem.titleView = self.textField;
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