move the typescript code snippet to external file

tests/app/ui/web-view/web-view-code-snippet.ts

@@ -0,0 +1,30 @@
+// >> web-view-loaded
+import { EventData } from 'data/observable';
+import { Page } from 'ui/page';
+import { HelloWorldModel } from './main-view-model';
+import { WebView } from "ui/web-view";
+import { isAndroid } from "platform"
+
+
+export function navigatingTo(args: EventData) {
+
+    let page = <Page>args.object;
+
+    page.bindingContext = new HelloWorldModel();
+}
+
+export function webViewTouch(args){
+    console.log("touch event");
+}
+
+export function webViewPan(args){
+    console.log("pan gesture");
+}
+
+export function webViewLoaded(args){
+    var webview:WebView = <WebView>args.object;
+    if(isAndroid){
+        webview.android.getSettings().setDisplayZoomControls(false);
+    }
+}
+// >> web-view-loaded