详解ios中scrollView上使用masonry

	使用scrollView的一个子视图对contentSize进行调整


	_scroll_Bg = [[UIScrollView alloc] initWithFrame:CGRectMake(0, 100, SCREEN_W, 200)];


	_scroll_Bg.pagingEnabled = YES;


	_scroll_Bg.delegate = self;


	_scroll_Bg.backgroundColor = [UIColor redColor];


	[self.view addSubview:_scroll_Bg];


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	1，现在scrollView添加一个主要子视图，大小贴合scrollView


	UIView *bgView = [[UIView alloc] init];


	bgView.backgroundColor = [UIColor blueColor];


	[_scroll_Bg addSubview:bgView];


	[bgView mas_makeConstraints:^(MASConstraintMaker *make) {


	make.top.left.bottom.and.right.equalTo(_scroll_Bg).with.insets(UIEdgeInsetsZero);


	make.width.equalTo(_scroll_Bg);


	}];


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	2，此后所有子视图都需添加在此bgView上


	UIView *childV = [[UIView alloc] init];


	childV.backgroundColor = [UIColor cyanColor];


	[bgView addSubview:childV];


	[childV mas_makeConstraints:^(MASConstraintMaker *make) {


	make.left.right.mas_equalTo(0);


	make.top.mas_equalTo(250);


	make.height.mas_equalTo(1000);


	}];


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	3，以最后所加子视图为准，再对bgView进行重新约束


	[bgView mas_makeConstraints:^(MASConstraintMaker *make) {


	make.bottom.equalTo(childV.mas_bottom);


	}];


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	以上就是本次给大家整理的全部内容。


	

					

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2018-04-13 16:32:59