Merge pull request #473 from iwill/master

Fully supports iOS 11 safeAreaLayoutGuide, and fix #470

Examples/Masonry iOS Examples.xcodeproj/project.pbxproj

@@ -8,7 +8,6 @@
 
 /* Begin PBXBuildFile section */
 		00FC4A321B7359D700DCA999 /* MASExampleDistributeView.m in Sources */ = {isa = PBXBuildFile; fileRef = 00FC4A311B7359D700DCA999 /* MASExampleDistributeView.m */; };
-		114413091924B6EE008E702E /* Default-568h@2x.png in Resources */ = {isa = PBXBuildFile; fileRef = 114413081924B6EE008E702E /* Default-568h@2x.png */; };
 		27A27D461A6CF0C400D34F52 /* MASExampleAspectFitView.m in Sources */ = {isa = PBXBuildFile; fileRef = 27A27D451A6CF0C400D34F52 /* MASExampleAspectFitView.m */; };
 		3C02224919D0C4EC00507321 /* Images.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = 3C02224819D0C4EC00507321 /* Images.xcassets */; };
 		3DB1CAD5184538E200E91FC5 /* MASExampleArrayView.m in Sources */ = {isa = PBXBuildFile; fileRef = 3DB1CAD4184538E200E91FC5 /* MASExampleArrayView.m */; };
@@ -33,12 +32,13 @@
 		DD9B4D35183CC980002BF408 /* MASExampleScrollView.m in Sources */ = {isa = PBXBuildFile; fileRef = DD9B4D34183CC980002BF408 /* MASExampleScrollView.m */; };
 		DDDF60CC181915E300BF7B8B /* MASExampleLabelView.m in Sources */ = {isa = PBXBuildFile; fileRef = DDDF60CB181915E300BF7B8B /* MASExampleLabelView.m */; };
 		DDF3875C179D648D00178773 /* MASExampleAnimatedView.m in Sources */ = {isa = PBXBuildFile; fileRef = DDF3875B179D648D00178773 /* MASExampleAnimatedView.m */; };
+		DFBACE591F7B76E40047F15A /* MASExampleSafeAreaLayoutGuideViewController.m in Sources */ = {isa = PBXBuildFile; fileRef = DFBACE581F7B76E40047F15A /* MASExampleSafeAreaLayoutGuideViewController.m */; };
+		DFBACE5D1F7B86860047F15A /* Launch Screen.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = DFBACE5C1F7B86860047F15A /* Launch Screen.storyboard */; };
 /* End PBXBuildFile section */
 
 /* Begin PBXFileReference section */
 		00FC4A301B7359D700DCA999 /* MASExampleDistributeView.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = MASExampleDistributeView.h; sourceTree = "<group>"; };
 		00FC4A311B7359D700DCA999 /* MASExampleDistributeView.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = MASExampleDistributeView.m; sourceTree = "<group>"; };
-		114413081924B6EE008E702E /* Default-568h@2x.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = "Default-568h@2x.png"; sourceTree = "<group>"; };
 		27A27D441A6CF0C400D34F52 /* MASExampleAspectFitView.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = MASExampleAspectFitView.h; sourceTree = "<group>"; };
 		27A27D451A6CF0C400D34F52 /* MASExampleAspectFitView.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = MASExampleAspectFitView.m; sourceTree = "<group>"; };
 		321AA59CF7B045B6D503D2E5 /* Pods-Masonry iOS Examples.release.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-Masonry iOS Examples.release.xcconfig"; path = "../Pods/Target Support Files/Pods-Masonry iOS Examples/Pods-Masonry iOS Examples.release.xcconfig"; sourceTree = "<group>"; };
@@ -85,6 +85,9 @@
 		DDDF60CB181915E300BF7B8B /* MASExampleLabelView.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = MASExampleLabelView.m; sourceTree = "<group>"; };
 		DDF3875A179D648D00178773 /* MASExampleAnimatedView.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = MASExampleAnimatedView.h; sourceTree = "<group>"; };
 		DDF3875B179D648D00178773 /* MASExampleAnimatedView.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = MASExampleAnimatedView.m; sourceTree = "<group>"; };
+		DFBACE571F7B76E30047F15A /* MASExampleSafeAreaLayoutGuideViewController.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = MASExampleSafeAreaLayoutGuideViewController.h; sourceTree = "<group>"; };
+		DFBACE581F7B76E40047F15A /* MASExampleSafeAreaLayoutGuideViewController.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = MASExampleSafeAreaLayoutGuideViewController.m; sourceTree = "<group>"; };
+		DFBACE5C1F7B86860047F15A /* Launch Screen.storyboard */ = {isa = PBXFileReference; lastKnownFileType = file.storyboard; path = "Launch Screen.storyboard"; sourceTree = "<group>"; };
 /* End PBXFileReference section */
 
 /* Begin PBXFrameworksBuildPhase section */
@@ -105,7 +108,6 @@
 		DD52F21E179CAD57005CD195 = {
 			isa = PBXGroup;
 			children = (
-				114413081924B6EE008E702E /* Default-568h@2x.png */,
 				DD52F230179CAD57005CD195 /* Masonry iOS Examples */,
 				DD52F229179CAD57005CD195 /* Frameworks */,
 				DD52F228179CAD57005CD195 /* Products */,
@@ -141,6 +143,7 @@
 				DD52F256179CADC4005CD195 /* Views */,
 				3C02224819D0C4EC00507321 /* Images.xcassets */,
 				DD52F231179CAD57005CD195 /* Supporting Files */,
+				DFBACE5C1F7B86860047F15A /* Launch Screen.storyboard */,
 			);
 			path = "Masonry iOS Examples";
 			sourceTree = "<group>";
@@ -200,6 +203,8 @@
 				DD52F250179CADC0005CD195 /* MASExampleViewController.m */,
 				DD653E481843E61500D1EC5A /* MASExampleLayoutGuideViewController.h */,
 				DD653E491843E61500D1EC5A /* MASExampleLayoutGuideViewController.m */,
+				DFBACE571F7B76E30047F15A /* MASExampleSafeAreaLayoutGuideViewController.h */,
+				DFBACE581F7B76E40047F15A /* MASExampleSafeAreaLayoutGuideViewController.m */,
 			);
 			name = Controllers;
 			sourceTree = "<group>";
@@ -268,9 +273,9 @@
 			isa = PBXResourcesBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
+				DFBACE5D1F7B86860047F15A /* Launch Screen.storyboard in Resources */,
 				3C02224919D0C4EC00507321 /* Images.xcassets in Resources */,
 				DD52F235179CAD57005CD195 /* InfoPlist.strings in Resources */,
-				114413091924B6EE008E702E /* Default-568h@2x.png in Resources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
@@ -344,6 +349,7 @@
 				27A27D461A6CF0C400D34F52 /* MASExampleAspectFitView.m in Sources */,
 				DD52F252179CADC0005CD195 /* MASExampleConstantsView.m in Sources */,
 				DD52F253179CADC0005CD195 /* MASExampleListViewController.m in Sources */,
+				DFBACE591F7B76E40047F15A /* MASExampleSafeAreaLayoutGuideViewController.m in Sources */,
 				DD52F254179CADC0005CD195 /* MASExampleSidesView.m in Sources */,
 				DD32C3FD18E8BFF6001F6AD2 /* MASExampleAttributeChainingView.m in Sources */,
 				DD52F255179CADC0005CD195 /* MASExampleViewController.m in Sources */,
@@ -409,7 +415,6 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = iphoneos;
 				TARGETED_DEVICE_FAMILY = "1,2";
@@ -449,7 +454,6 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
 				OTHER_CFLAGS = "-DNS_BLOCK_ASSERTIONS=1";
 				SDKROOT = iphoneos;
 				TARGETED_DEVICE_FAMILY = "1,2";
@@ -461,11 +465,9 @@
 			isa = XCBuildConfiguration;
 			baseConfigurationReference = 50B25D0621957AEB87C3FCC2 /* Pods-Masonry iOS Examples.debug.xcconfig */;
 			buildSettings = {
-				ASSETCATALOG_COMPILER_LAUNCHIMAGE_NAME = LaunchImage;
 				GCC_PRECOMPILE_PREFIX_HEADER = YES;
 				GCC_PREFIX_HEADER = "Masonry iOS Examples/Masonry iOS Examples-Prefix.pch";
 				INFOPLIST_FILE = "Masonry iOS Examples/Masonry iOS Examples-Info.plist";
-				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
 				PRODUCT_BUNDLE_IDENTIFIER = "com.cloudling.${PRODUCT_NAME:rfc1034identifier}";
 				PRODUCT_NAME = "Masonry iOS Examples";
 				WRAPPER_EXTENSION = app;
@@ -476,11 +478,9 @@
 			isa = XCBuildConfiguration;
 			baseConfigurationReference = 321AA59CF7B045B6D503D2E5 /* Pods-Masonry iOS Examples.release.xcconfig */;
 			buildSettings = {
-				ASSETCATALOG_COMPILER_LAUNCHIMAGE_NAME = LaunchImage;
 				GCC_PRECOMPILE_PREFIX_HEADER = YES;
 				GCC_PREFIX_HEADER = "Masonry iOS Examples/Masonry iOS Examples-Prefix.pch";
 				INFOPLIST_FILE = "Masonry iOS Examples/Masonry iOS Examples-Info.plist";
-				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
 				PRODUCT_BUNDLE_IDENTIFIER = "com.cloudling.${PRODUCT_NAME:rfc1034identifier}";
 				PRODUCT_NAME = "Masonry iOS Examples";
 				WRAPPER_EXTENSION = app;

Examples/Masonry iOS Examples/Images.xcassets/Contents.json

@@ -0,0 +1,6 @@
+{
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}

Examples/Masonry iOS Examples/Images.xcassets/LaunchImage.launchimage/Contents.json

@@ -1,65 +0,0 @@
-{
-  "images" : [
-    {
-      "extent" : "full-screen",
-      "idiom" : "iphone",
-      "subtype" : "736h",
-      "filename" : "Default-736h@3x.png",
-      "minimum-system-version" : "8.0",
-      "orientation" : "portrait",
-      "scale" : "3x"
-    },
-    {
-      "extent" : "full-screen",
-      "idiom" : "iphone",
-      "subtype" : "667h",
-      "filename" : "Default-667h@2x.png",
-      "minimum-system-version" : "8.0",
-      "orientation" : "portrait",
-      "scale" : "2x"
-    },
-    {
-      "orientation" : "portrait",
-      "idiom" : "iphone",
-      "extent" : "full-screen",
-      "minimum-system-version" : "7.0",
-      "filename" : "Default@2x.png",
-      "scale" : "2x"
-    },
-    {
-      "extent" : "full-screen",
-      "idiom" : "iphone",
-      "subtype" : "retina4",
-      "filename" : "Default-568h@2x.png",
-      "minimum-system-version" : "7.0",
-      "orientation" : "portrait",
-      "scale" : "2x"
-    },
-    {
-      "orientation" : "portrait",
-      "idiom" : "iphone",
-      "extent" : "full-screen",
-      "filename" : "Default_iOS6.png",
-      "scale" : "1x"
-    },
-    {
-      "orientation" : "portrait",
-      "idiom" : "iphone",
-      "extent" : "full-screen",
-      "filename" : "Default_iOS6@2x.png",
-      "scale" : "2x"
-    },
-    {
-      "orientation" : "portrait",
-      "idiom" : "iphone",
-      "extent" : "full-screen",
-      "filename" : "Default_iOS6-568h@2x.png",
-      "subtype" : "retina4",
-      "scale" : "2x"
-    }
-  ],
-  "info" : {
-    "version" : 1,
-    "author" : "xcode"
-  }
-}

Examples/Masonry iOS Examples/Launch Screen.storyboard

@@ -0,0 +1,53 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="13196" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" launchScreen="YES" useTraitCollections="YES" colorMatched="YES" initialViewController="01J-lp-oVM">
+    <device id="retina4_7" orientation="portrait">
+        <adaptation id="fullscreen"/>
+    </device>
+    <dependencies>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="13173"/>
+        <capability name="Constraints with non-1.0 multipliers" minToolsVersion="5.1"/>
+        <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
+    </dependencies>
+    <scenes>
+        <!--View Controller-->
+        <scene sceneID="EHf-IW-A2E">
+            <objects>
+                <viewController id="01J-lp-oVM" sceneMemberID="viewController">
+                    <layoutGuides>
+                        <viewControllerLayoutGuide type="top" id="cbD-vd-OFn"/>
+                        <viewControllerLayoutGuide type="bottom" id="TBi-GG-GBk"/>
+                    </layoutGuides>
+                    <view key="view" contentMode="scaleToFill" id="Ze5-6b-2t3">
+                        <rect key="frame" x="0.0" y="0.0" width="375" height="667"/>
+                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
+                        <subviews>
+                            <label opaque="NO" clipsSubviews="YES" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" textAlignment="center" lineBreakMode="tailTruncation" numberOfLines="0" baselineAdjustment="alignBaselines" minimumFontSize="9" translatesAutoresizingMaskIntoConstraints="NO" id="obG-Y5-kRd">
+                                <rect key="frame" x="47.5" y="592.5" width="281" height="41"/>
+                                <string key="text">Copyright © 2017 Jonas Budelmann.
+All rights reserved.</string>
+                                <fontDescription key="fontDescription" type="system" pointSize="17"/>
+                                <color key="textColor" red="0.0" green="0.0" blue="0.0" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                                <nil key="highlightedColor"/>
+                            </label>
+                            <label opaque="NO" clipsSubviews="YES" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="Masonry" textAlignment="center" lineBreakMode="middleTruncation" baselineAdjustment="alignBaselines" minimumFontSize="18" translatesAutoresizingMaskIntoConstraints="NO" id="GJd-Yh-RWb">
+                                <rect key="frame" x="114.5" y="202" width="146" height="43"/>
+                                <fontDescription key="fontDescription" type="boldSystem" pointSize="36"/>
+                                <color key="textColor" red="0.0" green="0.0" blue="0.0" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                                <nil key="highlightedColor"/>
+                            </label>
+                        </subviews>
+                        <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
+                        <constraints>
+                            <constraint firstAttribute="centerX" secondItem="obG-Y5-kRd" secondAttribute="centerX" id="5cz-MP-9tL"/>
+                            <constraint firstAttribute="centerX" secondItem="GJd-Yh-RWb" secondAttribute="centerX" id="Q3B-4B-g5h"/>
+                            <constraint firstAttribute="bottom" secondItem="obG-Y5-kRd" secondAttribute="bottom" constant="34" id="Y44-ml-fuU"/>
+                            <constraint firstItem="GJd-Yh-RWb" firstAttribute="centerY" secondItem="Ze5-6b-2t3" secondAttribute="bottom" multiplier="1/3" constant="1" id="moa-c2-u7t"/>
+                        </constraints>
+                    </view>
+                </viewController>
+                <placeholder placeholderIdentifier="IBFirstResponder" id="iYj-Kq-Ea1" userLabel="First Responder" sceneMemberID="firstResponder"/>
+            </objects>
+            <point key="canvasLocation" x="52" y="374.66266866566718"/>
+        </scene>
+    </scenes>
+</document>

Examples/Masonry iOS Examples/MASExampleListViewController.m

@@ -18,6 +18,7 @@
 #import "MASExampleRemakeView.h"
 #import "MASExampleScrollView.h"
 #import "MASExampleLayoutGuideViewController.h"
+#import "MASExampleSafeAreaLayoutGuideViewController.h"
 #import "MASExampleArrayView.h"
 #import "MASExampleAttributeChainingView.h"
 #import "MASExampleAspectFitView.h"
@@ -77,6 +78,11 @@ static NSString * const kMASCellReuseIdentifier = @"kMASCellReuseIdentifier";
         self.exampleControllers = [self.exampleControllers arrayByAddingObject:[[MASExampleLayoutGuideViewController alloc] init]];
     }
     
+    if ([UIView instancesRespondToSelector:@selector(safeAreaLayoutGuide)])
+    {
+        self.exampleControllers = [self.exampleControllers arrayByAddingObject:[[MASExampleSafeAreaLayoutGuideViewController alloc] init]];
+    }
+    
     return self;
 }
 

Examples/Masonry iOS Examples/MASExampleSafeAreaLayoutGuideViewController.h

@@ -0,0 +1,13 @@
+//
+//  MASExampleSafeAreaLayoutGuideViewController.h
+//  Masonry iOS Examples
+//
+//  Created by MingLQ on 2017-09-27.
+//  Copyright © 2017 MingLQ. All rights reserved.
+//
+
+#import <UIKit/UIKit.h>
+
+@interface MASExampleSafeAreaLayoutGuideViewController : UIViewController
+
+@end

Examples/Masonry iOS Examples/MASExampleSafeAreaLayoutGuideViewController.m

@@ -0,0 +1,131 @@
+//
+//  MASExampleSafeAreaLayoutGuideViewController.m
+//  Masonry iOS Examples
+//
+//  Created by MingLQ on 2017-09-27.
+//  Copyright © 2017 MingLQ. All rights reserved.
+//
+
+#import "MASExampleSafeAreaLayoutGuideViewController.h"
+
+@interface MASExampleSafeAreaLayoutGuideViewController ()
+
+@end
+
+@implementation MASExampleSafeAreaLayoutGuideViewController
+
+- (instancetype)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil {
+    self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
+    if (self) {
+        self.title = @"Safe Area Layout Guides";
+    }
+    return self;
+}
+
+- (void)viewDidLoad {
+    [super viewDidLoad];
+    
+    self.view.backgroundColor = [UIColor whiteColor];
+    
+    UIView *view1 = [UIView new];
+    view1.backgroundColor = [UIColor redColor];
+    [self.view addSubview:view1];
+    
+    UIView *view2 = [UIView new];
+    view2.backgroundColor = [UIColor greenColor];
+    [self.view addSubview:view2];
+    
+    UIView *view3 = [UIView new];
+    view3.backgroundColor = [UIColor blueColor];
+    [self.view addSubview:view3];
+    
+    UIView *leftView = [self viewWithName:@"LY"];
+    UIView *rightView = [self viewWithName:@"RY"];
+    UIView *topView = [self viewWithName:@"TX"];
+    UIView *bottomView = [self viewWithName:@"BX"];
+    
+    UIView *leftTopView = [self viewWithName:@"LT"];
+    UIView *rightTopView = [self viewWithName:@"RT"];
+    UIView *leftBottomView = [self viewWithName:@"LB"];
+    UIView *rightBottomView = [self viewWithName:@"RB"];
+    
+    UIView *centerView = [self viewWithName:@"XY"];
+    
+    const CGFloat size = 50.0;
+    
+    [view1 mas_makeConstraints:^(MASConstraintMaker *make) {
+        make.edges.equalTo(self.view.mas_safeAreaLayoutGuide).inset(10.0);
+    }];
+    
+    [view2 mas_makeConstraints:^(MASConstraintMaker *make) {
+        make.center.equalTo(self.view.mas_safeAreaLayoutGuide);
+        make.width.height.equalTo(self.view.mas_safeAreaLayoutGuide).sizeOffset(CGSizeMake(- 40.0, - 40.0));
+    }];
+    
+    [view3 mas_makeConstraints:^(MASConstraintMaker *make) {
+        make.center.equalTo(self.view.mas_safeAreaLayoutGuide);
+        make.width.equalTo(self.view.mas_safeAreaLayoutGuide).sizeOffset(CGSizeMake(- 60.0, - 60.0));
+        make.height.equalTo(self.view.mas_safeAreaLayoutGuide).sizeOffset(CGSizeMake(- 60.0, - 60.0));
+    }];
+    
+    [leftTopView mas_makeConstraints:^(MASConstraintMaker *make) {
+        make.left.top.equalTo(self.view.mas_safeAreaLayoutGuide);
+        make.width.height.equalTo(@(size));
+    }];
+    
+    [rightTopView mas_makeConstraints:^(MASConstraintMaker *make) {
+        make.right.equalTo(self.view.mas_safeAreaLayoutGuideRight);
+        make.top.equalTo(self.view.mas_safeAreaLayoutGuideTop);
+        make.width.height.equalTo(@(size));
+    }];
+    
+    [leftBottomView mas_makeConstraints:^(MASConstraintMaker *make) {
+        make.left.equalTo(self.view.mas_safeAreaLayoutGuideLeft);
+        make.bottom.equalTo(self.view.mas_safeAreaLayoutGuideBottom);
+        make.width.height.equalTo(@(size));
+    }];
+    
+    [rightBottomView mas_makeConstraints:^(MASConstraintMaker *make) {
+        make.right.bottom.equalTo(self.view.mas_safeAreaLayoutGuide);
+        make.width.height.equalTo(@(size));
+    }];
+    
+    [leftView mas_makeConstraints:^(MASConstraintMaker *make) {
+        make.left.centerY.equalTo(self.view.mas_safeAreaLayoutGuide);
+        make.width.height.equalTo(@(size));
+    }];
+    
+    [rightView mas_makeConstraints:^(MASConstraintMaker *make) {
+        make.right.equalTo(self.view.mas_safeAreaLayoutGuideRight);
+        make.centerY.equalTo(self.view.mas_safeAreaLayoutGuideCenterY);
+        make.width.height.equalTo(@(size));
+    }];
+    
+    [topView mas_makeConstraints:^(MASConstraintMaker *make) {
+        make.top.equalTo(self.view.mas_safeAreaLayoutGuideTop);
+        make.centerX.equalTo(self.view.mas_safeAreaLayoutGuideCenterX);
+        make.width.height.equalTo(@(size));
+    }];
+    
+    [bottomView mas_makeConstraints:^(MASConstraintMaker *make) {
+        make.bottom.centerX.equalTo(self.view.mas_safeAreaLayoutGuide);
+        make.width.height.equalTo(@(size));
+    }];
+    
+    [centerView mas_makeConstraints:^(MASConstraintMaker *make) {
+        make.center.equalTo(self.view.mas_safeAreaLayoutGuide);
+        make.width.height.equalTo(@(size));
+    }];
+}
+
+- (UIView *)viewWithName:(NSString *)name {
+    UILabel *label = [UILabel new];
+    label.text = name;
+    label.textAlignment = NSTextAlignmentCenter;
+    label.textColor = [UIColor blackColor];
+    label.backgroundColor = [UIColor yellowColor];
+    [self.view addSubview:label];
+    return label;
+}
+
+@end

Examples/Masonry iOS Examples/Masonry iOS Examples-Info.plist

@@ -24,6 +24,8 @@
 	<string>1.0</string>
 	<key>LSRequiresIPhoneOS</key>
 	<true/>
+	<key>UILaunchStoryboardName</key>
+	<string>Launch Screen</string>
 	<key>UIRequiredDeviceCapabilities</key>
 	<array>
 		<string>armv7</string>

Masonry.xcodeproj/project.pbxproj

@@ -386,7 +386,6 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
 				MACOSX_DEPLOYMENT_TARGET = 10.9;
 				MTL_ENABLE_DEBUG_INFO = YES;
 				ONLY_ACTIVE_ARCH = YES;
@@ -436,7 +435,6 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
 				MACOSX_DEPLOYMENT_TARGET = 10.9;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				TARGETED_DEVICE_FAMILY = "1,2";
@@ -492,7 +490,6 @@
 				DYLIB_INSTALL_NAME_BASE = "@rpath";
 				INFOPLIST_FILE = Masonry/Info.plist;
 				INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Frameworks";
-				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = "com.cloudling.$(PRODUCT_NAME:rfc1034identifier)";
 				PRODUCT_NAME = Masonry;
@@ -511,7 +508,6 @@
 				DYLIB_INSTALL_NAME_BASE = "@rpath";
 				INFOPLIST_FILE = Masonry/Info.plist;
 				INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Frameworks";
-				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = "com.cloudling.$(PRODUCT_NAME:rfc1034identifier)";
 				PRODUCT_NAME = Masonry;

Masonry/MASViewConstraint.m

@@ -125,7 +125,12 @@ static char kInstalledConstraintsKey;
     } else if ([secondViewAttribute isKindOfClass:MAS_VIEW.class]) {
         _secondViewAttribute = [[MASViewAttribute alloc] initWithView:secondViewAttribute layoutAttribute:self.firstViewAttribute.layoutAttribute];
     } else if ([secondViewAttribute isKindOfClass:MASViewAttribute.class]) {
-        _secondViewAttribute = secondViewAttribute;
+        MASViewAttribute *attr = secondViewAttribute;
+        if (attr.layoutAttribute == NSLayoutAttributeNotAnAttribute) {
+            _secondViewAttribute = [[MASViewAttribute alloc] initWithView:attr.view item:attr.item layoutAttribute:self.firstViewAttribute.layoutAttribute];;
+        } else {
+            _secondViewAttribute = secondViewAttribute;
+        }
     } else {
         NSAssert(NO, @"attempting to add unsupported attribute: %@", secondViewAttribute);
     }

Masonry/View+MASAdditions.h

@@ -55,10 +55,17 @@
 #if (__IPHONE_OS_VERSION_MIN_REQUIRED >= 110000) || (__TV_OS_VERSION_MIN_REQUIRED >= 110000)
 
 @property (nonatomic, strong, readonly) MASViewAttribute *mas_safeAreaLayoutGuide;
-@property (nonatomic, strong, readonly) MASViewAttribute *mas_safeAreaLayoutGuideTop;
-@property (nonatomic, strong, readonly) MASViewAttribute *mas_safeAreaLayoutGuideBottom;
+
+@property (nonatomic, strong, readonly) MASViewAttribute *mas_safeAreaLayoutGuideLeading;
+@property (nonatomic, strong, readonly) MASViewAttribute *mas_safeAreaLayoutGuideTrailing;
 @property (nonatomic, strong, readonly) MASViewAttribute *mas_safeAreaLayoutGuideLeft;
 @property (nonatomic, strong, readonly) MASViewAttribute *mas_safeAreaLayoutGuideRight;
+@property (nonatomic, strong, readonly) MASViewAttribute *mas_safeAreaLayoutGuideTop;
+@property (nonatomic, strong, readonly) MASViewAttribute *mas_safeAreaLayoutGuideBottom;
+@property (nonatomic, strong, readonly) MASViewAttribute *mas_safeAreaLayoutGuideWidth;
+@property (nonatomic, strong, readonly) MASViewAttribute *mas_safeAreaLayoutGuideHeight;
+@property (nonatomic, strong, readonly) MASViewAttribute *mas_safeAreaLayoutGuideCenterX;
+@property (nonatomic, strong, readonly) MASViewAttribute *mas_safeAreaLayoutGuideCenterY;
 
 #endif
 

Masonry/View+MASAdditions.m

@@ -137,21 +137,49 @@
 #if (__IPHONE_OS_VERSION_MIN_REQUIRED >= 110000) || (__TV_OS_VERSION_MIN_REQUIRED >= 110000)
 
 - (MASViewAttribute *)mas_safeAreaLayoutGuide {
-    return [[MASViewAttribute alloc] initWithView:self item:self.safeAreaLayoutGuide layoutAttribute:NSLayoutAttributeBottom];
+    return [[MASViewAttribute alloc] initWithView:self item:self.safeAreaLayoutGuide layoutAttribute:NSLayoutAttributeNotAnAttribute];
 }
-- (MASViewAttribute *)mas_safeAreaLayoutGuideTop {
-    return [[MASViewAttribute alloc] initWithView:self item:self.safeAreaLayoutGuide layoutAttribute:NSLayoutAttributeTop];
+
+- (MASViewAttribute *)mas_safeAreaLayoutGuideLeading {
+    return [[MASViewAttribute alloc] initWithView:self item:self.safeAreaLayoutGuide layoutAttribute:NSLayoutAttributeLeading];
 }
-- (MASViewAttribute *)mas_safeAreaLayoutGuideBottom {
-    return [[MASViewAttribute alloc] initWithView:self item:self.safeAreaLayoutGuide layoutAttribute:NSLayoutAttributeBottom];
+
+- (MASViewAttribute *)mas_safeAreaLayoutGuideTrailing {
+    return [[MASViewAttribute alloc] initWithView:self item:self.safeAreaLayoutGuide layoutAttribute:NSLayoutAttributeTrailing];
 }
+
 - (MASViewAttribute *)mas_safeAreaLayoutGuideLeft {
     return [[MASViewAttribute alloc] initWithView:self item:self.safeAreaLayoutGuide layoutAttribute:NSLayoutAttributeLeft];
 }
+
 - (MASViewAttribute *)mas_safeAreaLayoutGuideRight {
     return [[MASViewAttribute alloc] initWithView:self item:self.safeAreaLayoutGuide layoutAttribute:NSLayoutAttributeRight];
 }
 
+- (MASViewAttribute *)mas_safeAreaLayoutGuideTop {
+    return [[MASViewAttribute alloc] initWithView:self item:self.safeAreaLayoutGuide layoutAttribute:NSLayoutAttributeTop];
+}
+
+- (MASViewAttribute *)mas_safeAreaLayoutGuideBottom {
+    return [[MASViewAttribute alloc] initWithView:self item:self.safeAreaLayoutGuide layoutAttribute:NSLayoutAttributeBottom];
+}
+
+- (MASViewAttribute *)mas_safeAreaLayoutGuideWidth {
+    return [[MASViewAttribute alloc] initWithView:self item:self.safeAreaLayoutGuide layoutAttribute:NSLayoutAttributeWidth];
+}
+
+- (MASViewAttribute *)mas_safeAreaLayoutGuideHeight {
+    return [[MASViewAttribute alloc] initWithView:self item:self.safeAreaLayoutGuide layoutAttribute:NSLayoutAttributeHeight];
+}
+
+- (MASViewAttribute *)mas_safeAreaLayoutGuideCenterX {
+    return [[MASViewAttribute alloc] initWithView:self item:self.safeAreaLayoutGuide layoutAttribute:NSLayoutAttributeCenterX];
+}
+
+- (MASViewAttribute *)mas_safeAreaLayoutGuideCenterY {
+    return [[MASViewAttribute alloc] initWithView:self item:self.safeAreaLayoutGuide layoutAttribute:NSLayoutAttributeCenterY];
+}
+
 #endif
 
 #pragma mark - associated properties

Pods/Pods.xcodeproj/project.pbxproj

@@ -912,7 +912,6 @@
 				ENABLE_STRICT_OBJC_MSGSEND = YES;
 				GCC_NO_COMMON_BLOCKS = YES;
 				GCC_PREFIX_HEADER = "Target Support Files/Expecta/Expecta-prefix.pch";
-				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
 				MTL_ENABLE_DEBUG_INFO = YES;
 				OTHER_LDFLAGS = "";
 				OTHER_LIBTOOLFLAGS = "";
@@ -937,7 +936,6 @@
 				GCC_GENERATE_TEST_COVERAGE_FILES = YES;
 				GCC_INSTRUMENT_PROGRAM_FLOW_ARCS = YES;
 				GCC_NO_COMMON_BLOCKS = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
 				MACH_O_TYPE = staticlib;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				OTHER_LDFLAGS = "";
@@ -998,7 +996,6 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
 				ONLY_ACTIVE_ARCH = YES;
 				PROVISIONING_PROFILE_SPECIFIER = NO_SIGNING/;
 				STRIP_INSTALLED_PRODUCT = NO;
@@ -1051,7 +1048,6 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
 				PROVISIONING_PROFILE_SPECIFIER = NO_SIGNING/;
 				STRIP_INSTALLED_PRODUCT = NO;
 				SYMROOT = "${SRCROOT}/../build";
@@ -1070,7 +1066,6 @@
 				ENABLE_STRICT_OBJC_MSGSEND = YES;
 				GCC_NO_COMMON_BLOCKS = YES;
 				GCC_PREFIX_HEADER = "Target Support Files/Masonry/Masonry-prefix.pch";
-				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				OTHER_LDFLAGS = "";
 				OTHER_LIBTOOLFLAGS = "";
@@ -1094,7 +1089,6 @@
 				ENABLE_STRICT_OBJC_MSGSEND = YES;
 				GCC_NO_COMMON_BLOCKS = YES;
 				GCC_PREFIX_HEADER = "Target Support Files/Expecta/Expecta-prefix.pch";
-				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				OTHER_LDFLAGS = "";
 				OTHER_LIBTOOLFLAGS = "";
@@ -1118,7 +1112,6 @@
 				ENABLE_STRICT_OBJC_MSGSEND = YES;
 				GCC_NO_COMMON_BLOCKS = YES;
 				GCC_PREFIX_HEADER = "Target Support Files/Masonry/Masonry-prefix.pch";
-				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
 				MTL_ENABLE_DEBUG_INFO = YES;
 				OTHER_LDFLAGS = "";
 				OTHER_LIBTOOLFLAGS = "";
@@ -1141,7 +1134,6 @@
 				DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
 				ENABLE_STRICT_OBJC_MSGSEND = YES;
 				GCC_NO_COMMON_BLOCKS = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
 				MACH_O_TYPE = staticlib;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				OTHER_LDFLAGS = "";
@@ -1164,7 +1156,6 @@
 				DEBUG_INFORMATION_FORMAT = dwarf;
 				ENABLE_STRICT_OBJC_MSGSEND = YES;
 				GCC_NO_COMMON_BLOCKS = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
 				MACH_O_TYPE = staticlib;
 				MTL_ENABLE_DEBUG_INFO = YES;
 				OTHER_LDFLAGS = "";
@@ -1189,7 +1180,6 @@
 				GCC_GENERATE_TEST_COVERAGE_FILES = YES;
 				GCC_INSTRUMENT_PROGRAM_FLOW_ARCS = YES;
 				GCC_NO_COMMON_BLOCKS = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
 				MACH_O_TYPE = staticlib;
 				MTL_ENABLE_DEBUG_INFO = YES;
 				OTHER_LDFLAGS = "";
@@ -1212,7 +1202,6 @@
 				DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
 				ENABLE_STRICT_OBJC_MSGSEND = YES;
 				GCC_NO_COMMON_BLOCKS = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
 				MACH_O_TYPE = staticlib;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				OTHER_LDFLAGS = "";
@@ -1235,7 +1224,6 @@
 				DEBUG_INFORMATION_FORMAT = dwarf;
 				ENABLE_STRICT_OBJC_MSGSEND = YES;
 				GCC_NO_COMMON_BLOCKS = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
 				MACH_O_TYPE = staticlib;
 				MTL_ENABLE_DEBUG_INFO = YES;
 				OTHER_LDFLAGS = "";

Tests/Masonry Tests.xcodeproj/project.pbxproj

@@ -538,7 +538,6 @@
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
 				INFOPLIST_FILE = "MasonryTestsLoader/MasonryTestsLoader-Info.plist";
-				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
 				ONLY_ACTIVE_ARCH = YES;
 				PRODUCT_BUNDLE_IDENTIFIER = "com.cloudling.${PRODUCT_NAME:rfc1034identifier}";
 				PRODUCT_NAME = "$(TARGET_NAME)";
@@ -586,7 +585,6 @@
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
 				INFOPLIST_FILE = "MasonryTestsLoader/MasonryTestsLoader-Info.plist";
-				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
 				PRODUCT_BUNDLE_IDENTIFIER = "com.cloudling.${PRODUCT_NAME:rfc1034identifier}";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SDKROOT = iphoneos;
@@ -636,7 +634,6 @@
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
 				INFOPLIST_FILE = "MasonryTests-Info.plist";
-				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
 				ONLY_ACTIVE_ARCH = YES;
 				PRODUCT_BUNDLE_IDENTIFIER = "com.cloudling.${PRODUCT_NAME:rfc1034identifier}";
 				PRODUCT_NAME = "$(TARGET_NAME)";
@@ -680,7 +677,6 @@
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
 				INFOPLIST_FILE = "MasonryTests-Info.plist";
-				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
 				PRODUCT_BUNDLE_IDENTIFIER = "com.cloudling.${PRODUCT_NAME:rfc1034identifier}";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SDKROOT = iphoneos;