fix(label-android): numeric text ignores text-transform (#7123)

apps/app/ui-tests-app/issues/issue-5125.ts

@@ -0,0 +1,18 @@
+import { NavigatedData } from "tns-core-modules/ui/page";
+import { Page } from "tns-core-modules/ui/page";
+import { Observable } from "tns-core-modules/data/observable";
+
+export class HomeViewModel extends Observable {
+    public stringValue = "test";
+    public stringNumericValue = "12345";
+    public numericValue = 12345;
+
+    constructor() {
+        super();
+    }
+}
+
+export function onNavigatingTo(args: NavigatedData) {
+    const page = <Page>args.object;
+    page.bindingContext = new HomeViewModel();
+}

apps/app/ui-tests-app/issues/issue-5125.xml

@@ -0,0 +1,16 @@
+<Page xmlns="http://schemas.nativescript.org/tns.xsd" id="main-page" navigatingTo="onNavigatingTo">
+  <StackLayout>
+    <Label text="string value:" />
+    <Label text="{{ stringValue }}" />
+    <Label text="string value with uppercase:" />
+    <Label textTransform="uppercase" text="{{ stringValue }}" />
+    <Label text="string numeric value:" />
+    <Label text="{{ stringNumericValue }}" />
+    <Label text="string numeric value with uppercase:" />
+    <Label textTransform="uppercase" text="{{ stringNumericValue }}" />
+    <Label text="numeric value:" />
+    <Label text="{{ numericValue }}" />
+    <Label text="numeric value with uppercase:" />
+    <Label textTransform="uppercase" text="{{ numericValue }}" />
+  </StackLayout>
+</Page>

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

@@ -26,6 +26,7 @@ export function loadExamples() {
     examples.set("tabview-with-scrollview_4022", "issues/tabview-with-scrollview_4022");
     examples.set("3354-ios", "issues/issue-3354");
     examples.set("4450", "issues/issue-4450");
+    examples.set("5125", "issues/issue-5125");
     examples.set("5274", "issues/issue-5274");
     examples.set("ng-repo-1599", "issues/issue-ng-repo-1599");
     examples.set("ng-repo-1626", "issues/issue-ng-repo-1626");

tns-core-modules/ui/text-base/text-base.android.ts

@@ -36,7 +36,9 @@ function initializeTextTransformation(): void {
                 return createSpannableStringBuilder(formattedText);
             }
             else {
-                return getTransformedText(this.textBase.text, this.textBase.textTransform);
+                const text = this.textBase.text;
+                const stringValue = (text === null || text === undefined) ? "" : text.toString();
+                return getTransformedText(stringValue, this.textBase.textTransform);
             }
         }