diff --git a/Example/Base.lproj/Main.storyboard b/Example/Base.lproj/Main.storyboard
index a0e94b1..fcd6e7f 100644
--- a/Example/Base.lproj/Main.storyboard
+++ b/Example/Base.lproj/Main.storyboard
@@ -1,10 +1,12 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="12120" systemVersion="16F73" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" colorMatched="YES" initialViewController="BYZ-38-t0r">
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="13526" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES" initialViewController="BYZ-38-t0r">
     <device id="retina4_7" orientation="portrait">
         <adaptation id="fullscreen"/>
     </device>
     <dependencies>
-        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="12088"/>
+        <deployment identifier="iOS"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="13524"/>
+        <capability name="Safe area layout guides" minToolsVersion="9.0"/>
         <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
     </dependencies>
     <scenes>
@@ -12,10 +14,6 @@
         <scene sceneID="tne-QT-ifu">
             <objects>
                 <viewController id="BYZ-38-t0r" customClass="ViewController" customModule="Example" customModuleProvider="target" sceneMemberID="viewController">
-                    <layoutGuides>
-                        <viewControllerLayoutGuide type="top" id="y3c-jy-aDJ"/>
-                        <viewControllerLayoutGuide type="bottom" id="wfy-db-euE"/>
-                    </layoutGuides>
                     <view key="view" contentMode="scaleToFill" id="8bC-Xf-vdC">
                         <rect key="frame" x="0.0" y="0.0" width="375" height="667"/>
                         <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
@@ -24,7 +22,7 @@
                                 <rect key="frame" x="0.0" y="0.0" width="375" height="667"/>
                             </imageView>
                             <visualEffectView opaque="NO" contentMode="scaleToFill" translatesAutoresizingMaskIntoConstraints="NO" id="hfa-GM-Q6d">
-                                <rect key="frame" x="0.0" y="0.0" width="113" height="300"/>
+                                <rect key="frame" x="0.0" y="20" width="113" height="300"/>
                                 <view key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" id="BDZ-hc-dGd">
                                     <rect key="frame" x="0.0" y="0.0" width="113" height="300"/>
                                     <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
@@ -117,13 +115,14 @@
                         </subviews>
                         <color key="backgroundColor" red="1" green="1" blue="1" alpha="1" colorSpace="custom" customColorSpace="sRGB"/>
                         <constraints>
-                            <constraint firstItem="hfa-GM-Q6d" firstAttribute="leading" secondItem="8bC-Xf-vdC" secondAttribute="leading" id="0RM-xU-GOP"/>
-                            <constraint firstAttribute="trailing" secondItem="Fz1-fx-Fg4" secondAttribute="trailing" id="bXI-xs-htk"/>
+                            <constraint firstItem="hfa-GM-Q6d" firstAttribute="leading" secondItem="K9q-4l-8tN" secondAttribute="leading" id="0RM-xU-GOP"/>
+                            <constraint firstItem="K9q-4l-8tN" firstAttribute="trailing" secondItem="Fz1-fx-Fg4" secondAttribute="trailing" id="bXI-xs-htk"/>
                             <constraint firstItem="Fz1-fx-Fg4" firstAttribute="top" secondItem="8bC-Xf-vdC" secondAttribute="top" id="i8A-u4-WZj"/>
-                            <constraint firstItem="Fz1-fx-Fg4" firstAttribute="leading" secondItem="8bC-Xf-vdC" secondAttribute="leading" id="kzX-Tr-2Sj"/>
-                            <constraint firstItem="hfa-GM-Q6d" firstAttribute="top" secondItem="8bC-Xf-vdC" secondAttribute="top" id="pa7-yF-d80"/>
-                            <constraint firstItem="wfy-db-euE" firstAttribute="top" secondItem="Fz1-fx-Fg4" secondAttribute="bottom" id="ppt-jj-k2h"/>
+                            <constraint firstItem="Fz1-fx-Fg4" firstAttribute="leading" secondItem="K9q-4l-8tN" secondAttribute="leading" id="kzX-Tr-2Sj"/>
+                            <constraint firstItem="hfa-GM-Q6d" firstAttribute="top" secondItem="K9q-4l-8tN" secondAttribute="top" id="pa7-yF-d80"/>
+                            <constraint firstItem="K9q-4l-8tN" firstAttribute="bottom" secondItem="Fz1-fx-Fg4" secondAttribute="bottom" id="ppt-jj-k2h"/>
                         </constraints>
+                        <viewLayoutGuide key="safeArea" id="K9q-4l-8tN"/>
                     </view>
                 </viewController>
                 <placeholder placeholderIdentifier="IBFirstResponder" id="dkx-z0-nzr" sceneMemberID="firstResponder"/>
diff --git a/NativePopup.xcodeproj/project.pbxproj b/NativePopup.xcodeproj/project.pbxproj
index 9dae418..ac6cd56 100644
--- a/NativePopup.xcodeproj/project.pbxproj
+++ b/NativePopup.xcodeproj/project.pbxproj
@@ -226,7 +226,7 @@
 			isa = PBXProject;
 			attributes = {
 				LastSwiftUpdateCheck = 0830;
-				LastUpgradeCheck = 0830;
+				LastUpgradeCheck = 0910;
 				ORGANIZATIONNAME = mono;
 				TargetAttributes = {
 					FE85338A1EAC7C92004BB756 = {
@@ -351,7 +351,9 @@
 				CLANG_CXX_LIBRARY = "libc++";
 				CLANG_ENABLE_MODULES = YES;
 				CLANG_ENABLE_OBJC_ARC = YES;
+				CLANG_WARN_BLOCK_CAPTURE_AUTORELEASING = YES;
 				CLANG_WARN_BOOL_CONVERSION = YES;
+				CLANG_WARN_COMMA = YES;
 				CLANG_WARN_CONSTANT_CONVERSION = YES;
 				CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
 				CLANG_WARN_DOCUMENTATION_COMMENTS = YES;
@@ -359,7 +361,11 @@
 				CLANG_WARN_ENUM_CONVERSION = YES;
 				CLANG_WARN_INFINITE_RECURSION = YES;
 				CLANG_WARN_INT_CONVERSION = YES;
+				CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES;
+				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
 				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
+				CLANG_WARN_STRICT_PROTOTYPES = YES;
 				CLANG_WARN_SUSPICIOUS_MOVE = YES;
 				CLANG_WARN_UNREACHABLE_CODE = YES;
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
@@ -405,7 +411,9 @@
 				CLANG_CXX_LIBRARY = "libc++";
 				CLANG_ENABLE_MODULES = YES;
 				CLANG_ENABLE_OBJC_ARC = YES;
+				CLANG_WARN_BLOCK_CAPTURE_AUTORELEASING = YES;
 				CLANG_WARN_BOOL_CONVERSION = YES;
+				CLANG_WARN_COMMA = YES;
 				CLANG_WARN_CONSTANT_CONVERSION = YES;
 				CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
 				CLANG_WARN_DOCUMENTATION_COMMENTS = YES;
@@ -413,7 +421,11 @@
 				CLANG_WARN_ENUM_CONVERSION = YES;
 				CLANG_WARN_INFINITE_RECURSION = YES;
 				CLANG_WARN_INT_CONVERSION = YES;
+				CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES;
+				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
 				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
+				CLANG_WARN_STRICT_PROTOTYPES = YES;
 				CLANG_WARN_SUSPICIOUS_MOVE = YES;
 				CLANG_WARN_UNREACHABLE_CODE = YES;
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
@@ -458,7 +470,7 @@
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SKIP_INSTALL = YES;
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
-				SWIFT_VERSION = 3.0;
+				SWIFT_VERSION = 4.0;
 			};
 			name = Debug;
 		};
@@ -477,7 +489,7 @@
 				PRODUCT_BUNDLE_IDENTIFIER = com.mono0926.NativePopup;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SKIP_INSTALL = YES;
-				SWIFT_VERSION = 3.0;
+				SWIFT_VERSION = 4.0;
 			};
 			name = Release;
 		};
@@ -492,7 +504,7 @@
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = com.mono0926.Example;
 				PRODUCT_NAME = "$(TARGET_NAME)";
-				SWIFT_VERSION = 3.0;
+				SWIFT_VERSION = 4.0;
 			};
 			name = Debug;
 		};
@@ -507,7 +519,7 @@
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = com.mono0926.Example;
 				PRODUCT_NAME = "$(TARGET_NAME)";
-				SWIFT_VERSION = 3.0;
+				SWIFT_VERSION = 4.0;
 			};
 			name = Release;
 		};
diff --git a/NativePopup.xcodeproj/xcshareddata/xcschemes/NativePopup.xcscheme b/NativePopup.xcodeproj/xcshareddata/xcschemes/NativePopup.xcscheme
index befd8d7..bf50ac3 100644
--- a/NativePopup.xcodeproj/xcshareddata/xcschemes/NativePopup.xcscheme
+++ b/NativePopup.xcodeproj/xcshareddata/xcschemes/NativePopup.xcscheme
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "0830"
+   LastUpgradeVersion = "0910"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
@@ -26,6 +26,7 @@
       buildConfiguration = "Debug"
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      language = ""
       shouldUseLaunchSchemeArgsEnv = "YES">
       <Testables>
       </Testables>
@@ -36,6 +37,7 @@
       buildConfiguration = "Debug"
       selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
       selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      language = ""
       launchStyle = "0"
       useCustomWorkingDirectory = "NO"
       ignoresPersistentStateOnLaunch = "NO"
diff --git a/NativePopup/NativePopup.swift b/NativePopup/NativePopup.swift
index a96666f..973584f 100644
--- a/NativePopup/NativePopup.swift
+++ b/NativePopup/NativePopup.swift
@@ -79,11 +79,11 @@ public class NativePopup: UIView {
             let style = NSMutableParagraphStyle()
             style.lineSpacing = 3
             style.alignment = .center
-            $0.attributedText = NSAttributedString(string: $0.text ?? "", attributes: [NSParagraphStyleAttributeName: style])
+            $0.attributedText = NSAttributedString(string: $0.text ?? "", attributes: [.paragraphStyle: style])
         }
 
-        effectView.addSubview(imageContentView)
-        effectView.addSubview(titleLabel)
+        effectView.contentView.addSubview(imageContentView)
+        effectView.contentView.addSubview(titleLabel)
 
         imageContentView.heightAnchor.constraint(equalTo: imageContentView.widthAnchor, multiplier: 1).isActive = true
         imageContentView.heightAnchor.constraint(equalToConstant: 112).isActive = true
@@ -99,7 +99,7 @@ public class NativePopup: UIView {
         if message?.isEmpty ?? true {
             titleLabel.bottomAnchor.constraint(equalTo: bottomAnchor, constant: -bottomSpace).isActive = true
         } else {
-            effectView.addSubview(messageLabel)
+            effectView.contentView.addSubview(messageLabel)
             titleLabel.bottomAnchor.constraint(equalTo: messageLabel.topAnchor, constant: -6).isActive = true
             messageLabel.leftAnchor.constraint(equalTo: leftAnchor, constant: sideSpace).isActive = true
             messageLabel.rightAnchor.constraint(equalTo: rightAnchor, constant: -sideSpace).isActive = true