与UIView+AutoLayout,masonry这两款主流的自动布局框架相比,虽然功能不够强大,但是解决基本的布局是没有问题的.框架实现是基于UIView的分类,开发者只要把Extension拖入项目中就可以使用,大大减少了使用第三方的依赖,一行代码搞定布局,没有冗余的垃圾代码.
宽高约束
public func RT_AlignInnerWidth(width:CGFloat) -> NSLayoutConstraintpublic func RT_AlignInnerHeight(height:CGFloat) -> NSLayoutConstraint填充子视图
public func RT_Fill(referView: UIView, insets: UIEdgeInsets = UIEdgeInsetsZero)参照参考视图内部对齐
public func RT_AlignInner(type type: RT_AlignType, referView: UIView, size: CGSize?, offset: CGPoint = CGPointZero) -> [NSLayoutConstraint]参照参考视图垂直对齐
public func RT_AlignVertical(type type: RT_AlignType, referView: UIView, size: CGSize?, offset: CGPoint = CGPointZero) -> [NSLayoutConstraint]参照参考视图水平对齐
public func RT_AlignHorizontal(type type: RT_AlignType, referView: UIView, size: CGSize?, offset: CGPoint = CGPointZero) -> [NSLayoutConstraint]**在当前视图内部水平平铺控件**
public func RT_HorizontalTile(views: [UIView], insets: UIEdgeInsets) -> [NSLayoutConstraint]** 在当前视图内部垂直平铺控件**
public func RT_VerticalTile(views: [UIView], insets: UIEdgeInsets) -> [NSLayoutConstraint]**从约束数组中查找指定attribute的约束**
public func RT_Constraint(constraintsList: [NSLayoutConstraint], attribute: NSLayoutAttribute) -> NSLayoutConstrai示例：
填充子视图
- (NSArray*)RT_Fill:(UIView*)referView;**在当前视图内部水平平铺控件**
- (NSArray*)RT_HorizontalTile:(NSArray*)views insets:(UIEdgeInsets)insets;
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