Fix: Text color of the Button not applied, when text-transform has been set.

Resolves #2601

apps/.vscode/tasks.json

@@ -0,0 +1,10 @@
+{
+    // See https://go.microsoft.com/fwlink/?LinkId=733558
+    // for the documentation about the tasks.json format
+    "version": "0.1.0",
+    "command": "tsc",
+    "isShellCommand": true,
+    "args": ["-p", "."],
+    "showOutput": "silent",
+    "problemMatcher": "$tsc"
+}

apps/app/ui-tests-app/css/main-page.ts

@@ -25,6 +25,7 @@ export function pageLoaded(args: EventData) {
     examples.set("clipPath", "css/clip-path");
     examples.set("padding", "css/padding");
     examples.set("label-background-image", "css/label-background-image");
+    examples.set("text-transform-and-color", "css/text-transform-and-color");
 
     let viewModel = new SubMianPageViewModel(wrapLayout, examples);
     page.bindingContext = viewModel;

apps/app/ui-tests-app/css/text-transform-and-color.xml

@@ -0,0 +1,12 @@
+<Page xmlns="http://schemas.nativescript.org/tns.xsd">
+  <StackLayout>
+    <Label text="Label red" style="color: red;"/>
+    <Button text="Button red" style="color: red;"/>
+    <TextField text="TextField red" style="color: red;"/>
+    <TextView text="TextView red" style="color: red;"/>
+    <Label text="Label uppercase red" style="text-transform: uppercase; color: red;"/>
+    <Button text="Button uppercase red" style="text-transform: uppercase; color: red;"/>
+    <TextField text="TextField uppercase red" style="text-transform: uppercase; color: red;"/>
+    <TextView text="TextView uppercase red" style="text-transform: uppercase; color: red;"/>
+  </StackLayout>
+</Page>

apps/package.json

@@ -5,11 +5,11 @@
   "repository": "<fill-your-repository-here>",
   "nativescript": {
     "id": "org.nativescript.apps",
-    "tns-android": {
-      "version": "2.1.1"
-    },
     "tns-ios": {
-      "version": "2.1.1"
+      "version": "2.2.1"
+    },
+    "tns-android": {
+      "version": "2.2.0"
     }
   },
   "dependencies": {

tests/package.json

@@ -6,10 +6,10 @@
   "nativescript": {
     "id": "org.nativescript.tests",
     "tns-ios": {
-      "version": "2.1.1"
+      "version": "2.2.1"
     },
     "tns-android": {
-      "version": "2.1.1"
+      "version": "2.2.0"
     }
   },
   "dependencies": {

tns-core-modules/ui/button/button.ios.ts

@@ -310,7 +310,6 @@ export class ButtonStyler implements style.Styler {
                 button.ios.setAttributedTitleForState(result, UIControlState.UIControlStateNormal);
             } 
             else {
-                button.ios.setAttributedTitleForState(NSMutableAttributedString.alloc().initWithString(source), UIControlState.UIControlStateNormal);
                 button.ios.setTitleForState(source, UIControlState.UIControlStateNormal);
             }
         }