Added compiler flags to include Yosemite

Author: lokimeyburg

Example Apps/ExampleApp-iOS/ExampleAppViewController.h

@@ -8,8 +8,12 @@
 
 #import <UIKit/UIKit.h>
 
+#if (__MAC_OS_X_VERSION_MAX_ALLOWED > __MAC_10_9 || __IPHONE_OS_VERSION_MAX_ALLOWED > __IPHONE_7_1)
+#define exampleSupportsWKWebKit
+#endif
+
 
-#if defined(__IPHONE_8_0)
+#if defined(exampleSupportsWKWebKit)
     #import <WebKit/WebKit.h>
     #define EXAMPLE_WEBVIEW_TYPE WKWebView
     #define EXAMPLE_WEBVIEW_DELEGATE_TYPE NSObject<WKNavigationDelegate>

Example Apps/ExampleApp-iOS/ExampleAppViewController.m

@@ -8,7 +8,7 @@
 
 #import "ExampleAppViewController.h"
 
-#if defined(__IPHONE_8_0)
+#if defined(exampleSupportsWKWebKit)
 #import "WKWebViewJavascriptBridge.h"
 # else
 #import "WebViewJavascriptBridge.h"
@@ -24,8 +24,9 @@ @implementation ExampleAppViewController
 
 - (void)viewWillAppear:(BOOL)animated {
     if (_bridge) { return; }
-
-#if defined(__IPHONE_8_0)
+    
+#if defined(exampleSupportsWKWebKit)
+        NSLog(@"---------------------------------------");
         WKWebView* webView = [[NSClassFromString(@"WKWebView") alloc] initWithFrame:self.view.bounds];
         webView.navigationDelegate = self;
         [self.view addSubview:webView];

WebViewJavascriptBridge/WKWebViewJavascriptBridge.h

@@ -5,7 +5,11 @@
 //  Copyright (c) 2014 Loki Meyburg. All rights reserved.
 //
 
-#if defined(__IPHONE_8_0)
+#if (__MAC_OS_X_VERSION_MAX_ALLOWED > __MAC_10_9 || __IPHONE_OS_VERSION_MAX_ALLOWED > __IPHONE_7_1)
+#define supportsWKWebKit
+#endif
+
+#if defined(supportsWKWebKit )
 
 #import <Foundation/Foundation.h>
 #define kCustomProtocolScheme @"wvjbscheme"

WebViewJavascriptBridge/WKWebViewJavascriptBridge.m

@@ -5,10 +5,11 @@
 //  Copyright (c) 2014 Loki Meyburg. All rights reserved.
 //
 
-#if defined(__IPHONE_8_0)
 
 #import "WKWebViewJavascriptBridge.h"
 
+#if defined(supportsWKWebKit)
+
 typedef NSDictionary WVJBMessage;
 
 @implementation WKWebViewJavascriptBridge {