update demo

demo/.flowconfig

 emoji=true
 
 module.system=haste
+module.system.haste.use_name_reducers=true
+# get basename
+module.system.haste.name_reducers='^.*/\([a-zA-Z0-9$_.-]+\.js\(\.flow\)?\)$' -> '\1'
+# strip .js or .js.flow suffix
+module.system.haste.name_reducers='^\(.*\)\.js\(\.flow\)?$' -> '\1'
+# strip .ios suffix
+module.system.haste.name_reducers='^\(.*\)\.ios$' -> '\1'
+module.system.haste.name_reducers='^\(.*\)\.android$' -> '\1'
+module.system.haste.name_reducers='^\(.*\)\.native$' -> '\1'
+module.system.haste.paths.blacklist=.*/__tests__/.*
+module.system.haste.paths.blacklist=.*/__mocks__/.*
+module.system.haste.paths.blacklist=<PROJECT_ROOT>/node_modules/react-native/Libraries/Animated/src/polyfills/.*
+module.system.haste.paths.whitelist=<PROJECT_ROOT>/node_modules/react-native/Libraries/.*
 
 munge_underscores=true
 
 suppress_comment=\\(.\\|\n\\)*\\$FlowExpectedError
 
 [version]
-^0.67.0
+^0.75.0

demo/__tests__/App.js

-import 'react-native';
-import React from 'react';
-import App from '../App';
-
-// Note: test renderer must be required after react-native.
-import renderer from 'react-test-renderer';
-
-it('renders correctly', () => {
-  const tree = renderer.create(
-    <App />
-  );
-});

demo/android/app/build.gradle

 def enableProguardInReleaseBuilds = false
 
 android {
-    compileSdkVersion 26
-    buildToolsVersion "27.0.3"
+    compileSdkVersion rootProject.ext.compileSdkVersion
+    buildToolsVersion rootProject.ext.buildToolsVersion
 
     defaultConfig {
         applicationId "com.demo"
-        minSdkVersion 16
-        targetSdkVersion 26
+        minSdkVersion rootProject.ext.minSdkVersion
+        targetSdkVersion rootProject.ext.targetSdkVersion
         versionCode 1
         versionName "1.0"
         ndk {
 dependencies {
     compile project(':react-native-autoheight-webview')
     compile fileTree(dir: "libs", include: ["*.jar"])
-    compile "com.android.support:appcompat-v7:26.1.0"
+    compile "com.android.support:appcompat-v7:${rootProject.ext.supportLibVersion}"
     compile "com.facebook.react:react-native:+"  // From node_modules
 }
 

demo/android/app/proguard-rules.pro

 #-keepclassmembers class fqcn.of.javascript.interface.for.webview {
 #   public *;
 #}
-
-# Disabling obfuscation is useful if you collect stack traces from production crashes
-# (unless you are using a system that supports de-obfuscate the stack traces).
--dontobfuscate
-
-# React Native
-
-# Keep our interfaces so they can be used by other ProGuard rules.
-# See http://sourceforge.net/p/proguard/bugs/466/
--keep,allowobfuscation @interface com.facebook.proguard.annotations.DoNotStrip
--keep,allowobfuscation @interface com.facebook.proguard.annotations.KeepGettersAndSetters
--keep,allowobfuscation @interface com.facebook.common.internal.DoNotStrip
-
-# Do not strip any method/class that is annotated with @DoNotStrip
--keep @com.facebook.proguard.annotations.DoNotStrip class *
--keep @com.facebook.common.internal.DoNotStrip class *
--keepclassmembers class * {
-    @com.facebook.proguard.annotations.DoNotStrip *;
-    @com.facebook.common.internal.DoNotStrip *;
-}
-
--keepclassmembers @com.facebook.proguard.annotations.KeepGettersAndSetters class * {
-  void set*(***);
-  *** get*();
-}
-
--keep class * extends com.facebook.react.bridge.JavaScriptModule { *; }
--keep class * extends com.facebook.react.bridge.NativeModule { *; }
--keepclassmembers,includedescriptorclasses class * { native <methods>; }
--keepclassmembers class *  { @com.facebook.react.uimanager.UIProp <fields>; }
--keepclassmembers class *  { @com.facebook.react.uimanager.annotations.ReactProp <methods>; }
--keepclassmembers class *  { @com.facebook.react.uimanager.annotations.ReactPropGroup <methods>; }
-
--dontwarn com.facebook.react.**
-
-# TextLayoutBuilder uses a non-public Android constructor within StaticLayout.
-# See libs/proxy/src/main/java/com/facebook/fbui/textlayoutbuilder/proxy for details.
--dontwarn android.text.StaticLayout
-
-# okhttp
-
--keepattributes Signature
--keepattributes *Annotation*
--keep class okhttp3.** { *; }
--keep interface okhttp3.** { *; }
--dontwarn okhttp3.**
-
-# okio
-
--keep class sun.misc.Unsafe { *; }
--dontwarn java.nio.file.*
--dontwarn org.codehaus.mojo.animal_sniffer.IgnoreJRERequirement
--dontwarn okio.**

demo/android/app/src/main/AndroidManifest.xml

       android:name=".MainApplication"
       android:label="@string/app_name"
       android:icon="@mipmap/ic_launcher"
-      android:allowBackup="true"
+      android:allowBackup="false"
       android:theme="@style/AppTheme">
       <activity
         android:name=".MainActivity"

demo/android/build.gradle

             url 'https://maven.google.com/'
             name 'Google'
         }
+        google()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:2.2.3'
+        classpath 'com.android.tools.build:gradle:3.1.3'
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
             name 'Google'
         }
     }
-}
+}
+
+ext {
+    buildToolsVersion = "27.0.3"
+    minSdkVersion = 16
+    compileSdkVersion = 26
+    targetSdkVersion = 26
+    supportLibVersion = "26.1.0"
+}

demo/android/gradle/wrapper/gradle-wrapper.properties

+#Wed Jul 25 15:22:06 CST 2018
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-2.14.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip

demo/index.js

+/** @format */
+
 'use strict'
 
 import { AppRegistry } from 'react-native';
 
 import Explorer from './App';
 
-AppRegistry.registerComponent('demo', () => Explorer);
+import {name as appName} from './app.json';
+
+AppRegistry.registerComponent(appName, () => Explorer);

demo/ios/demo.xcodeproj/project.pbxproj

 		78C398B01ACF4ADC00677621 /* RCTLinking.xcodeproj */ = {isa = PBXFileReference; lastKnownFileType = "wrapper.pb-project"; name = RCTLinking.xcodeproj; path = "../node_modules/react-native/Libraries/LinkingIOS/RCTLinking.xcodeproj"; sourceTree = "<group>"; };
 		832341B01AAA6A8300B99B32 /* RCTText.xcodeproj */ = {isa = PBXFileReference; lastKnownFileType = "wrapper.pb-project"; name = RCTText.xcodeproj; path = "../node_modules/react-native/Libraries/Text/RCTText.xcodeproj"; sourceTree = "<group>"; };
 		ADBDB91F1DFEBF0600ED6528 /* RCTBlob.xcodeproj */ = {isa = PBXFileReference; lastKnownFileType = "wrapper.pb-project"; name = RCTBlob.xcodeproj; path = "../node_modules/react-native/Libraries/Blob/RCTBlob.xcodeproj"; sourceTree = "<group>"; };
-		B22DCF12CF304549B28FD63C /* demo.xcodeproj */ = {isa = PBXFileReference; explicitFileType = undefined; fileEncoding = 9; includeInIndex = 0; lastKnownFileType = "wrapper.pb-project"; name = demo.xcodeproj; path = "../node_modules/react-native-autoheight-webview/demo/ios/demo.xcodeproj"; sourceTree = "<group>"; };
-		F6205ED3CE4F403ABCC50D34 /* libRCTActionSheet.a */ = {isa = PBXFileReference; explicitFileType = undefined; fileEncoding = 9; includeInIndex = 0; lastKnownFileType = archive.ar; path = libRCTActionSheet.a; sourceTree = "<group>"; };
 /* End PBXFileReference section */
 
 /* Begin PBXFrameworksBuildPhase section */
 				832341BD1AAA6AB300B99B32 /* libRCTText.a in Frameworks */,
 				00C302EA1ABCBA2D00DB3ED1 /* libRCTVibration.a in Frameworks */,
 				139FDEF61B0652A700C62182 /* libRCTWebSocket.a in Frameworks */,
-				4015A12E66A247F0B2F6AE09 /* libRCTActionSheet.a in Frameworks */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
 			name = Frameworks;
 			sourceTree = "<group>";
 		};
-		376DEA3F2043F3BA000FE890 /* Recovered References */ = {
-			isa = PBXGroup;
-			children = (
-				F6205ED3CE4F403ABCC50D34 /* libRCTActionSheet.a */,
-			);
-			name = "Recovered References";
-			sourceTree = "<group>";
-		};
 		5E91572E1DD0AC6500FF2AA8 /* Products */ = {
 			isa = PBXGroup;
 			children = (
 				832341B01AAA6A8300B99B32 /* RCTText.xcodeproj */,
 				00C302DF1ABCB9EE00DB3ED1 /* RCTVibration.xcodeproj */,
 				139FDEE61B06529A00C62182 /* RCTWebSocket.xcodeproj */,
-				B22DCF12CF304549B28FD63C /* demo.xcodeproj */,
 			);
 			name = Libraries;
 			sourceTree = "<group>";
 				00E356EF1AD99517003FC87E /* demoTests */,
 				83CBBA001A601CBA00E9B192 /* Products */,
 				2D16E6871FA4F8E400B85C8A /* Frameworks */,
-				376DEA3F2043F3BA000FE890 /* Recovered References */,
 			);
 			indentWidth = 2;
 			sourceTree = "<group>";
 		83CBB9F71A601CBA00E9B192 /* Project object */ = {
 			isa = PBXProject;
 			attributes = {
-				LastUpgradeCheck = 610;
+				LastUpgradeCheck = 0610;
 				ORGANIZATIONNAME = Facebook;
 				TargetAttributes = {
 					00E356ED1AD99517003FC87E = {
 					"DEBUG=1",
 					"$(inherited)",
 				);
-				HEADER_SEARCH_PATHS = (
-					"$(inherited)",
-					"$(SRCROOT)/../node_modules/react-native-autoheight-webview/demo/ios/demo",
-				);
 				INFOPLIST_FILE = demoTests/Info.plist;
-				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 9.0;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
-				LIBRARY_SEARCH_PATHS = (
-					"$(inherited)",
-					"\"$(SRCROOT)/$(TARGET_NAME)\"",
-				);
 				OTHER_LDFLAGS = (
 					"-ObjC",
 					"-lc++",
 			buildSettings = {
 				BUNDLE_LOADER = "$(TEST_HOST)";
 				COPY_PHASE_STRIP = NO;
-				HEADER_SEARCH_PATHS = (
-					"$(inherited)",
-					"$(SRCROOT)/../node_modules/react-native-autoheight-webview/demo/ios/demo",
-				);
 				INFOPLIST_FILE = demoTests/Info.plist;
-				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 9.0;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
-				LIBRARY_SEARCH_PATHS = (
-					"$(inherited)",
-					"\"$(SRCROOT)/$(TARGET_NAME)\"",
-				);
 				OTHER_LDFLAGS = (
 					"-ObjC",
 					"-lc++",
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				CURRENT_PROJECT_VERSION = 1;
 				DEAD_CODE_STRIPPING = NO;
-				HEADER_SEARCH_PATHS = (
-					"$(inherited)",
-					"$(SRCROOT)/../node_modules/react-native-autoheight-webview/demo/ios/demo",
-				);
 				INFOPLIST_FILE = demo/Info.plist;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
 				OTHER_LDFLAGS = (
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				CURRENT_PROJECT_VERSION = 1;
-				HEADER_SEARCH_PATHS = (
-					"$(inherited)",
-					"$(SRCROOT)/../node_modules/react-native-autoheight-webview/demo/ios/demo",
-				);
 				INFOPLIST_FILE = demo/Info.plist;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
 				OTHER_LDFLAGS = (
 				DEBUG_INFORMATION_FORMAT = dwarf;
 				ENABLE_TESTABILITY = YES;
 				GCC_NO_COMMON_BLOCKS = YES;
-				HEADER_SEARCH_PATHS = (
-					"$(inherited)",
-					"$(SRCROOT)/../node_modules/react-native-autoheight-webview/demo/ios/demo",
-				);
 				INFOPLIST_FILE = "demo-tvOS/Info.plist";
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
-				LIBRARY_SEARCH_PATHS = (
-					"$(inherited)",
-					"\"$(SRCROOT)/$(TARGET_NAME)\"",
-				);
 				OTHER_LDFLAGS = (
 					"-ObjC",
 					"-lc++",
 				COPY_PHASE_STRIP = NO;
 				DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
 				GCC_NO_COMMON_BLOCKS = YES;
-				HEADER_SEARCH_PATHS = (
-					"$(inherited)",
-					"$(SRCROOT)/../node_modules/react-native-autoheight-webview/demo/ios/demo",
-				);
 				INFOPLIST_FILE = "demo-tvOS/Info.plist";
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
-				LIBRARY_SEARCH_PATHS = (
-					"$(inherited)",
-					"\"$(SRCROOT)/$(TARGET_NAME)\"",
-				);
 				OTHER_LDFLAGS = (
 					"-ObjC",
 					"-lc++",
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 9.0;
 				MTL_ENABLE_DEBUG_INFO = YES;
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = iphoneos;
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 9.0;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
 				VALIDATE_PRODUCT = YES;

demo/ios/demo/Info.plist

 	<string>1</string>
 	<key>LSRequiresIPhoneOS</key>
 	<true/>
-	<key>NSAppTransportSecurity</key>
-	<dict>
-		<key>NSAllowsArbitraryLoads</key>
-		<true/>
-		<key>NSExceptionDomains</key>
-		<dict>
-			<key>localhost</key>
-			<dict>
-				<key>NSExceptionAllowsInsecureHTTPLoads</key>
-				<true/>
-			</dict>
-		</dict>
-	</dict>
-	<key>NSLocationWhenInUseUsageDescription</key>
-	<string></string>
 	<key>UILaunchStoryboardName</key>
 	<string>LaunchScreen</string>
 	<key>UIRequiredDeviceCapabilities</key>
 	</array>
 	<key>UIViewControllerBasedStatusBarAppearance</key>
 	<false/>
+	<key>NSLocationWhenInUseUsageDescription</key>
+	<string></string>
+	<key>NSAppTransportSecurity</key>
+	<!--See http://ste.vn/2015/06/10/configuring-app-transport-security-ios-9-osx-10-11/ -->
+	<dict>
+		<key>NSExceptionDomains</key>
+		<dict>
+			<key>localhost</key>
+			<dict>
+				<key>NSExceptionAllowsInsecureHTTPLoads</key>
+				<true/>
+			</dict>
+		</dict>
+	</dict>
 </dict>
 </plist>

demo/package.json

     "test": "jest"
   },
   "dependencies": {
-    "react": "^16.4.1",
-    "react-native": "^0.56.0",
+    "react": "16.4.1",
+    "react-native": "0.56.0",
     "react-native-autoheight-webview": "../"
   },
   "devDependencies": {
-    "babel-jest": "21.2.0",
-    "babel-preset-react-native": "^5.0.1",
-    "jest": "21.2.1",
+    "babel-jest": "23.4.0",
+    "babel-preset-react-native": "5.0.2",
+    "jest": "23.4.1",
     "react-test-renderer": "16.4.1"
   },
   "jest": {