readme updated

application/Readme.md

@@ -3,3 +3,29 @@
     var appModule = require("application");
 	appModule.init([native app instance]);
 ```
+
+iOS example:
+```js
+var app = require("application");
+
+var MyViewController = UIKit.UIViewController.extends({
+  viewDidLoad: function() {
+   this.title = "Home";
+
+   var bm = require("ui/button");
+   var button = new bm.Button();
+   button.text = "test";
+   button.ios.frame = Foundation.CGRectMake(100, 100, 100, 40);
+   button.on("click", function(arg){
+                require("ui/dialogs").alert("Some message");
+             });
+   button.addToParent(this.view);
+  }
+});
+
+app.onLaunch = function(){
+    return new MyViewController();
+}
+
+app.init();
+```