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在ios 11上出现scrollview布局往下偏移问题
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//
// 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];
//??=============判断系统版本
if (@available(ios 11.0, *)) {
self.scrollview.contentinsetadjustmentbehavior = uiscrollviewcontentinsetadjustmentnever;
nslog(@"11.0f");
} else {
self.automaticallyadjustsscrollviewinsets = no;
nslog(@"10f");
}
}
@end
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