WKWebView example only available on iOS 8 devices

Author: lokimeyburg

Example Apps/ExampleApp-iOS.xcodeproj/project.pbxproj

@@ -7,6 +7,7 @@
 	objects = {
 
 /* Begin PBXBuildFile section */
+		0E4E9D4C1A101E0B00043087 /* WebKit.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 0E8082DC19EDD98700479452 /* WebKit.framework */; };
 		0E50601C1A01B442000BEEEA /* WebViewJavascriptBridgeBase.m in Sources */ = {isa = PBXBuildFile; fileRef = 0E50601B1A01B442000BEEEA /* WebViewJavascriptBridgeBase.m */; };
 		0E8082DB19EDC32300479452 /* WKWebViewJavascriptBridge.m in Sources */ = {isa = PBXBuildFile; fileRef = 0E8082DA19EDC32300479452 /* WKWebViewJavascriptBridge.m */; };
 		0ECB01441A0EE1F20037FF4E /* ExampleWKWebViewController.m in Sources */ = {isa = PBXBuildFile; fileRef = 0ECB01431A0EE1F20037FF4E /* ExampleWKWebViewController.m */; };
@@ -55,6 +56,7 @@
 			isa = PBXFrameworksBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
+				0E4E9D4C1A101E0B00043087 /* WebKit.framework in Frameworks */,
 				2CEB3EC01602563600548120 /* UIKit.framework in Frameworks */,
 				2CEB3EC21602563600548120 /* Foundation.framework in Frameworks */,
 				2CEB3EC41602563600548120 /* CoreGraphics.framework in Frameworks */,
@@ -278,6 +280,7 @@
 				GCC_PRECOMPILE_PREFIX_HEADER = YES;
 				GCC_PREFIX_HEADER = "ExampleApp-iOS/ExampleApp-iOS-Prefix.pch";
 				INFOPLIST_FILE = "ExampleApp-iOS/ExampleApp-iOS-Info.plist";
+				IPHONEOS_DEPLOYMENT_TARGET = 7.1;
 				PRODUCT_NAME = "ExampleApp-iOS";
 				WRAPPER_EXTENSION = app;
 			};
@@ -289,6 +292,7 @@
 				GCC_PRECOMPILE_PREFIX_HEADER = YES;
 				GCC_PREFIX_HEADER = "ExampleApp-iOS/ExampleApp-iOS-Prefix.pch";
 				INFOPLIST_FILE = "ExampleApp-iOS/ExampleApp-iOS-Info.plist";
+				IPHONEOS_DEPLOYMENT_TARGET = 7.1;
 				PRODUCT_NAME = "ExampleApp-iOS";
 				WRAPPER_EXTENSION = app;
 			};

Example Apps/ExampleApp-iOS/ExampleAppDelegate.m

@@ -6,18 +6,21 @@ @implementation ExampleAppDelegate
 
 - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
 
+    // 1. Create the UIWebView example
     ExampleUIWebViewController* UIWebViewExampleController = [[ExampleUIWebViewController alloc] init];
     UIWebViewExampleController.tabBarItem.title             = @"UIWebView";
-    
-    ExampleWKWebViewController* WKWebViewExampleController = [[ExampleWKWebViewController alloc] init];
-    WKWebViewExampleController.tabBarItem.title             = @"WKWebView";
-    
+
+    // 2. Create the tab footer and add the UIWebView example
     UITabBarController *tabBarController = [[UITabBarController alloc] init];
     [tabBarController addChildViewController:UIWebViewExampleController];
-    [tabBarController addChildViewController:WKWebViewExampleController];
-
-    
 
+    // 3. Create the  WKWebView example for devices >= iOS 8
+    if([WKWebView class]) {
+        ExampleWKWebViewController* WKWebViewExampleController = [[ExampleWKWebViewController alloc] init];
+        WKWebViewExampleController.tabBarItem.title             = @"WKWebView";
+        [tabBarController addChildViewController:WKWebViewExampleController];
+    }
+
     self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
     self.window.rootViewController = tabBarController;
     [self.window makeKeyAndVisible];