鍵盤迴收事件

函數

-(void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event

{

    UITouch *touch = [touches anyObject] ;

    if (![touch.viewisMemberOfClass:[UITextFieldclass]]) {

        [self.textresignFirstResponder] ;

    }

}

設置鍵盤的顏色 系統默認提供了四種：

 text.keyboardAppearance=UIKeyboardAppearanceDark;

 text.keyboardAppearance=UIKeyboardAppearanceAlert;

 text.keyboardAppearance=UIKeyboardAppearanceDefault;

 text.keyboardAppearance=UIKeyboardAppearanceLight;

typedef enum {
UIKeyboardAppearanceDefault， 默認外觀，淺灰色
UIKeyboardAppearanceAlert，　 　深灰 石墨色
} UIReturnKeyType;