Button added

ui/button/button.ios.ts

@@ -0,0 +1,36 @@
+import observable = require("ui/core/observable");
+import view = require("ui/core/view");
+import application = require("application");
+
+export class Button extends view.View {
+    private static textProperty = "text";
+    private _ios: UIKit.UIButton;
+
+    constructor() {
+        super();
+        this._ios = UIKit.UIButton.buttonWithType(UIKit.UIButtonType.UIButtonTypeRoundedRect);
+
+        var that = this;
+        var target = Foundation.NSObject.extends({ click: (args) => { that.emit("click"); } }, { exposedMethods: { "click:": "v@:@" } });
+        this._ios.addTargetActionForControlEvents(new target(), "click:", UIKit.UIControlEvents.UIControlEventTouchUpInside);
+    }
+
+    get ios(): UIKit.UIButton {
+        return this._ios;
+    }
+
+    get text(): string {
+        return this.ios.titleForState(UIKit.UIControlState.UIControlStateNormal);
+    }
+    set text(value: string) {
+        this.setProperty(Button.textProperty, value);
+    }
+
+    public setNativeProperty(data: observable.PropertyChangeData) {
+        if (data.propertyName === Button.textProperty) {
+            this.ios.setTitleForState(data.value, UIKit.UIControlState.UIControlStateNormal);
+        } else if (true) {
+            //
+        }
+    }
+}