在iOS 11上出現scrollview布局往下位移問題，iosscrollview

在iOS 11上出現scrollview布局往下位移問題，iosscrollview

在iOS 11上出現scrollview布局往下位移問題

////  ViewController.m//#import "ViewController.h"@interface ViewController ()@property (nonatomic,strong)UIScrollView * scrollView;@end@implementation ViewController- (UIScrollView *)scrollView {    if (!_scrollView) {        _scrollView = [[UIScrollView alloc] init];        _scrollView.frame = CGRectMake(0, 0, 300, 300);    }    return _scrollView;}- (void)viewDidLoad {    self.scrollView.backgroundColor = [UIColor grayColor];    [self.view addSubview:self.scrollView];    //??=============判斷系統版本    if (@available(iOS 11.0, *)) {        self.scrollView.contentInsetAdjustmentBehavior = UIScrollViewContentInsetAdjustmentNever;        NSLog(@"11.0f");        } else {            self.automaticallyAdjustsScrollViewInsets = NO;            NSLog(@"10f");        }}@end