iPad UIModalPresentationFormSheet 鍵盤不隱藏

UIModalPresentationFormSheet 鍵盤不隱藏

在iPad中使用UINavigationController，UINavigationController的modalPresentationStyle爲UIModalPresentationFormSheet時，彈出鍵盤，調用resignFirstrRsponder後鍵盤不隱藏。

新建Category，重寫- (BOOL)disablesAutomaticKeyboardDismissal方法

UINavigationController+DismissKeyboard.h文件

#import <UIKit/UIKit.h>
@interface UINavigationController (DismissKeyboard)

// 使用UIModalPresentationFormSheet時
// 重寫disablesAutomaticKeyboardDismissal方法使鍵盤隱藏
- (BOOL)disablesAutomaticKeyboardDismissal;

@end

UINavigationController+DismissKeyboard.m文件

#import "UINavigationController+DismissKeyboard.h"

@implementation UINavigationController (DismissKeyboard)

- (BOOL)disablesAutomaticKeyboardDismissal
{
    return NO;
}

@end