From 825d5776214eade2f3ef297b2058adfd82267611 Mon Sep 17 00:00:00 2001
From: zh-m <maya.zhecheva@gmail.com>
Date: Wed, 30 Nov 2016 15:01:03 +0200
Subject: [PATCH] Background of the buttons inside dialog can be modified
 through global style in CSS

---
 tns-core-modules/ui/dialogs/dialogs-common.ts  | 12 ++++++++++++
 tns-core-modules/ui/dialogs/dialogs.android.ts | 11 +++++++++--
 2 files changed, 21 insertions(+), 2 deletions(-)

diff --git a/tns-core-modules/ui/dialogs/dialogs-common.ts b/tns-core-modules/ui/dialogs/dialogs-common.ts
index ea01f1546..fbf106cbb 100644
--- a/tns-core-modules/ui/dialogs/dialogs-common.ts
+++ b/tns-core-modules/ui/dialogs/dialogs-common.ts
@@ -60,6 +60,18 @@ export function getButtonColor(): color.Color {
     return buttonColor;
 }
 
+var buttonBackgroundColor: color.Color;
+export function getButtonBackgroundColor(): color.Color {
+    if (!buttonBackgroundColor) {
+        var btn = new button.Button();
+        applySelectors(btn);
+        buttonBackgroundColor = btn.backgroundColor;
+        btn.onUnloaded();
+    }
+
+    return buttonBackgroundColor;
+}
+
 var textFieldColor: color.Color;
 export function getTextFieldColor(): color.Color {
     if (!textFieldColor) {
diff --git a/tns-core-modules/ui/dialogs/dialogs.android.ts b/tns-core-modules/ui/dialogs/dialogs.android.ts
index 083d5c15a..619168bf6 100644
--- a/tns-core-modules/ui/dialogs/dialogs.android.ts
+++ b/tns-core-modules/ui/dialogs/dialogs.android.ts
@@ -41,15 +41,22 @@ function showDialog(builder: android.app.AlertDialog.Builder) {
     }
 
     let buttonColor = dialogsCommon.getButtonColor();
-    if (buttonColor) {
+    let buttonBackgroundColor = dialogsCommon.getButtonBackgroundColor();
+    if (buttonColor || buttonBackgroundColor) {
         let buttons : android.widget.Button[] = [];
         for (let i = 0; i < 3; i++) {
             let id = dlg.getContext().getResources().getIdentifier("android:id/button" + i, null, null);
             buttons[i] = <android.widget.Button>dlg.findViewById(id);
         }
+
         buttons.forEach(button => {
             if (button) {
-                button.setTextColor(buttonColor.android);
+                if (buttonColor) {
+                    button.setTextColor(buttonColor.android);
+                }
+                if (buttonBackgroundColor) {
+                    button.setBackgroundColor(buttonBackgroundColor.android);
+                }
             }
         });
     }