Merge pull request #1086 from NathanaelA/DialogBox_Fixes

This will now allow the dialog to call the resolve function when cancelled by clicking outside.

ui/dialogs/dialogs.android.ts

@@ -13,6 +13,9 @@ function createAlertDialog(options?: dialogs.DialogOptions): android.app.AlertDi
     var alert = new android.app.AlertDialog.Builder(appmodule.android.foregroundActivity);
     alert.setTitle(options && types.isString(options.title) ? options.title : "");
     alert.setMessage(options && types.isString(options.message) ? options.message : "");
+    if (options && options.cancelable === false) {
+        alert.setCancelable(false);
+    }
     return alert;
 }
 
@@ -72,6 +75,11 @@ function addButtonsToAlertDialog(alert: android.app.AlertDialog.Builder, options
             }
         }));
     }
+    alert.setOnDismissListener(new android.content.DialogInterface.OnDismissListener({
+        onDismiss: function() {
+            callback(false);
+        }
+    }));
 }
 
 export function alert(arg: any): Promise<void> {
@@ -87,6 +95,11 @@ export function alert(arg: any): Promise<void> {
                     resolve();
                 }
             }));
+            alert.setOnDismissListener(new android.content.DialogInterface.OnDismissListener({
+                onDismiss: function() {
+                    resolve();
+                }
+            }));
 
             showDialog(alert);
 
@@ -262,6 +275,9 @@ export function action(arg: any): Promise<string> {
             var alert = new android.app.AlertDialog.Builder(activity);
             var message = options && types.isString(options.message) ? options.message : "";
             var title = options && types.isString(options.title) ? options.title : "";
+            if (options && options.cancelable === false) {
+                alert.setCancelable(false);
+            }
 
             if (title) {
                 alert.setTitle(title);
@@ -289,6 +305,17 @@ export function action(arg: any): Promise<string> {
                     }
                 }));
             }
+
+            alert.setOnDismissListener(new android.content.DialogInterface.OnDismissListener({
+                onDismiss: function() {
+                    if (types.isString(options.cancelButtonText)) {
+                        resolve(options.cancelButtonText);
+                    } else {
+                        resolve("");
+                    }
+                }
+            }));
+
             showDialog(alert);
 
         } catch (ex) {

ui/dialogs/dialogs.d.ts

@@ -81,11 +81,21 @@ declare module "ui/dialogs" {
      * @param options The options for the dialog box. 
      */
     export function action(options: ActionOptions): Promise<string>;
+    
+    /**
+     * Provides options for the dialog.
+     */
+    export interface CancelableOptions {
+        /**
+         * [Android only] Gets or sets if the dialog can be canceled by taping outside of the dialog.
+         */
+        cancelable?: boolean;
+    }
 
     /**
      * Provides options for the dialog.
      */
-    export interface ActionOptions {
+    export interface ActionOptions extends CancelableOptions {
         /**
          * Gets or sets the dialog title.
          */
@@ -110,7 +120,7 @@ declare module "ui/dialogs" {
     /**
      * Provides options for the dialog.
      */
-    export interface DialogOptions {
+    export interface DialogOptions extends CancelableOptions {
         /**
          * Gets or sets the dialog title.
          */
@@ -120,6 +130,7 @@ declare module "ui/dialogs" {
          * Gets or sets the dialog message.
          */
         message?: string;
+
     }
 
     /**