Extend code to support UIWebView #15

pulltorefresh.ios.ts

@@ -68,6 +68,12 @@ export class PullToRefresh extends common.PullToRefresh {
 
             this.content.ios.addSubview(this._refreshControl);
         }
+        else if (this.content.ios instanceof UIWebView) {
+            // Ensure that we can trigger the refresh, even if the content is not large enough
+            this.content.ios.scrollView.alwaysBounceVertical = true;
+
+            this.content.ios.scrollView.addSubview(this._refreshControl);
+        }
         else {
             throw new Error("Content must inherit from UIScrollView!");
         }