scrollview在xib文件中不滚动。-thescrollviewisnotscrollingatxibfile

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It looks like you are taking scrollview in xib. So, you need to remove [self.view addSubview:scrollview]; from your code and you can directly set properties of that scrollview in xib except setContentSize(that you need to set in .m file).

看起来您正在使用xib中的scrollview。因此，您需要删除[self。视图addSubview scrollview):;从您的代码中，您可以在xib中直接设置该scrollview的属性，除了setContentSize(您需要在.m文件中设置)。

Or if you want to create scrollView manually, remove from xib and use this:

或者如果您想手动创建scrollView，请从xib中删除并使用以下命令:

UIScrollView * cOntent= [[UIScrollView alloc] initWithFrame:self.view.bounds];
[content setContentSize:CGSizeMake(width, height)];
//Here you can add those buttons to content view
[self.view addSubView:content];