fix(spinnerdialog): fix functionality

src/plugins/spinnerdialog.ts

@@ -1,18 +1,53 @@
 import {Plugin, Cordova} from './plugin';
 
+/**
+ * @name Spinner Dialog
+ * @description
+ * @usage
+ * ```js
+ * import {SpinnerDialog} from 'ionic-native';
+ *
+ *
+ *
+ * SpinnerDialog.show();
+ *
+ * SpinnerDialog.hide();
+ * ```
+ */
 @Plugin({
   plugin: 'cordova-plugin-spinner-dialog',
   pluginRef: 'window.plugins.spinnerDialog',
+  repo: 'https://github.com/Paldom/SpinnerDialog',
   platforms: ['Android','iOS','Windows Phone 8']
 })
 export class SpinnerDialog {
 
-  @Cordova()
-  static show(title : string, message : string) : Promise<any> {return}
 
+  /**
+   * Shows the spinner dialog
+   * @param title {string} Spinner title (shows on Android only)
+   * @param message {string} Spinner message
+   * @param cancelCallback {boolean|function} Set to false to set spinner not cancelable. Or provide a function to call when the user cancels the spinner.
+   * @param iOSOptions {object} Options for iOS only
+   */
+  @Cordova({
+    sync: true
+  })
+  static show(title? : string, message? : string, cancelCallback? : any, iOSOptions? : SpinnerDialogIOSOptions) : void {}
+
+  /**
+   * Hides the spinner dialog if visible
+   */
   @Cordova({
     sync: true
   })
   static hide() : void {}
 
+}
+
+export interface SpinnerDialogIOSOptions {
+  overlayOpacity? : number,
+  textColorRed? : number,
+  textColorGreen? : number,
+  textColorBlue? : number
 }