适配iPhonex的头部安全区域 Masonry 的适配安全区域

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适配iPhonex的头部安全区域

Masonry 的适配安全区域

 __weak typeof(self)weakself = self;
    [backview mas_makeConstraints:^(MASConstraintMaker *make) {
        if (@available(iOS 11.0,*)) {
            make.top.equalTo(weakself.view.mas_safeAreaLayoutGuideTop);
        }else{
            make.top.equalTo(weakself.view.mas_top).width.offset(64);
        }
        make.left.right.equalTo(weakself.view);
        make.height.equalTo(weakself.view.mas_height);

    }];

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