Merge pull request #229 from protosse/master

Change Objective-C API to chained call

Author: lucdion

Example/PinLayoutSample/UI/Examples/IntroObjectiveC/IntroObjectiveCView.m

@@ -67,11 +67,11 @@ - (void) layoutSubviews {
 
     CGFloat margin = 10;
     UIEdgeInsets safeArea = self.pinObjc.safeArea;
-    
-    [[[[[[logo.pinObjc topWithInsets:safeArea] leftWithInsets:safeArea] width:100] aspectRatio] margin:margin] layout];
-    [[[[segmented.pinObjc rightOf:logo aligned:VerticalAlignTop] rightWithInsets:safeArea] marginHorizontal:margin] layout];
-    [[[[[[textLabel.pinObjc belowOf:segmented aligned:HorizontalAlignLeft] widthOf:segmented] pinEdges] marginTop:margin] sizeToFit:FitWidth] layout];
-    [[[[[separatorView.pinObjc belowOfViews:@[logo, textLabel] aligned:HorizontalAlignLeft] rightTo:segmented.edge.right] height:1] marginTop:margin] layout];
+
+    logo.pinObjc.topInsets(safeArea).leftInsets(safeArea).width(100).aspectRatio().margin(margin).layout();
+    segmented.pinObjc.rightOfAligned(logo, VerticalAlignTop).rightInsets(safeArea).marginHorizontal(margin).layout();
+    textLabel.pinObjc.belowOfAligned(segmented, HorizontalAlignLeft).widthOf(segmented).pinEdges().marginTop(margin).sizeToFitType(FitWidth).layout();
+    separatorView.pinObjc.belowOfViewsAligned(@[logo, textLabel], HorizontalAlignLeft).rightToEdge(segmented.edge.right).height(1).marginTop(margin).layout();
 }
 
 - (void) setLayoutGuidesTop:(CGFloat)top {