简单的堆栈布局视图拉伸子视图：NNStackView

Demo

Build and run the project in Xcode to see NNStackView in action. App Delegate loads the DemoViewController

Example Usage

NNStackView *stackView = [[NNStackView alloc] initWithFrame:frame]; // Or bind the view to outlet   [stackView add:view]; // Adding sub view  [stackView updateOrientationTo:NNStackViewOrientationHorizontal]; // Updates the orientation  [stackView removeLastView]; // Removes the last added view    NNStackViewMargin margin* = [NNStackViewMargin create:10 right:10 top:20 bottom:20 between:10];  stackView.margin = margin; // Sets the margin, currently requires additional updateViewPositions call ...     [stackView updateViewPositions]; // Refreshes the stack view sub views