fix(android): list picker getTextColor api level issue (#8755)

closes https://github.com/NativeScript/NativeScript/issues/7860

nativescript-core/package.json

@@ -3,7 +3,7 @@
     "main": "index",
     "types": "index.d.ts",
     "description": "NativeScript Core Modules",
-    "version": "6.5.13",
+    "version": "6.5.15",
     "homepage": "https://www.nativescript.org",
     "repository": {
         "type": "git",

nativescript-core/ui/list-picker/list-picker.android.ts

@@ -68,11 +68,21 @@ function getEditText(picker: android.widget.NumberPicker): android.widget.EditTe
 let selectorWheelPaintField: java.lang.reflect.Field;
 function getSelectorWheelPaint(picker: android.widget.NumberPicker): android.graphics.Paint {
     if (!selectorWheelPaintField) {
-        selectorWheelPaintField = picker.getClass().getDeclaredField("mSelectorWheelPaint");
-        selectorWheelPaintField.setAccessible(true);
+        try {
+            selectorWheelPaintField = picker.getClass().getDeclaredField("mSelectorWheelPaint");
+            if (selectorWheelPaintField) {
+                selectorWheelPaintField.setAccessible(true);
+            }
+        } catch (err) {
+            // mSelectorWheelPaint is not supported on api level
+        }
     }
 
-    return selectorWheelPaintField.get(picker);
+    if (selectorWheelPaintField) {
+        return selectorWheelPaintField.get(picker);
+    }
+    
+    return null;
 }
 
 export class ListPicker extends ListPickerBase {
@@ -98,9 +108,7 @@ export class ListPicker extends ListPickerBase {
         // api28 and lower uses reflection to retrieve and manipulate
         // android.graphics.Paint object; this is no longer allowed on newer api levels but
         // equivalent public methods are exposed on api29+ directly on the native widget
-        if (sdkVersion() < 29) {
-            this._selectorWheelPaint = getSelectorWheelPaint(nativeView);
-        }
+        this._selectorWheelPaint = getSelectorWheelPaint(nativeView);
 
         const formatter = new Formatter(this);
         nativeView.setFormatter(formatter);
@@ -172,7 +180,11 @@ export class ListPicker extends ListPickerBase {
             return this._selectorWheelPaint.getColor();
         }
 
-        return this.nativeView.getTextColor();
+        if (this.nativeView && this.nativeView.getTextColor) {
+            return this.nativeView.getTextColor();
+        } else {
+            return 0;
+        }
     }
     [colorProperty.setNative](value: number | Color) {
         const color = value instanceof Color ? value.android : value;
@@ -187,7 +199,7 @@ export class ListPicker extends ListPickerBase {
             if (editText) {
                 editText.setTextColor(color);
             }
-        } else {
+        } else if (this.nativeView && this.nativeView.setTextColor) {
             // api29 and higher native implementation sets
             // both wheel color and input text color with single call
             this.nativeView.setTextColor(color);

package.json

@@ -2,7 +2,7 @@
   "name": "NativeScript",
   "description": "NativeScript Core Modules",
   "homepage": "https://www.nativescript.org",
-  "version": "6.5.13",
+  "version": "6.5.15",
   "repository": {
     "type": "git",
     "url": "https://github.com/NativeScript/NativeScript"

tns-core-modules-package/package.json

@@ -3,7 +3,7 @@
     "main": "index",
     "types": "index.d.ts",
     "description": "NativeScript Core Modules",
-    "version": "6.5.13",
+    "version": "6.5.15",
     "homepage": "https://www.nativescript.org",
     "repository": {
         "type": "git",

tns-platform-declarations/package.json

@@ -1,6 +1,6 @@
 {
     "name": "tns-platform-declarations",
-    "version": "6.5.13",
+    "version": "6.5.15",
     "description": "Platform-specific TypeScript declarations for NativeScript for accessing native objects",
     "main": "",
     "scripts": {