#pragma mark UItextFieldDelegate

- (BOOL)textFieldShouldBeginEditing:(UITextField *)textField{    CGFloat height = self.view.frame.size.height;    CGFloat offset = height - (_OtherTextField.frame.origin.y + _OtherTextField.frame.size.height + 216+100);    if (offset<=0) {        [UIView animateWithDuration:0.3 animations:^{            CGRect frame = self.view.frame;            frame.origin.y = offset;            self.view.frame = frame;        }];    }    return YES;}- (BOOL)textFieldShouldEndEditing:(UITextField *)textField{    [UIView animateWithDuration:0.3 animations:^{        CGRect frame = self.view.frame;        frame.origin.y = 0.0;        self.view.frame = frame;    }];    return YES;}

　　

2,点击收起

[_OtherTextField resignFirstResponder];