fix image convert function and update demo

Author: bradmartin

demo/app/App_Resources/Android/app.gradle renamed to demo/App_Resources/Android/app.gradle

@@ -19,10 +19,9 @@ export class HelloWorldModel extends Observable {
 
   public getMyDrawing() {
     this._myDrawingPad.getDrawing().then(res => {
-      console.log(res);
       // convert native image data (bitmap on android) to imageSource for NS
-      const image = ImageSource.fromDataSync(res);
-      console.log('trying to set image');
+      const image = new ImageSource(res);
+      const base64imageString = image.toBase64String('jpg'); // if you need it as base64
       this.set('drawingImage', image);
     });
   }

demo/app/App_Resources/Android/src/main/AndroidManifest.xml renamed to demo/App_Resources/Android/src/main/AndroidManifest.xml

@@ -2,7 +2,7 @@ import { NativeScriptConfig } from '@nativescript/core';
 
 export default {
   id: 'org.nativescript.demo',
-  appResourcesPath: 'app/App_Resources',
+  appResourcesPath: 'App_Resources',
   android: {
     v8Flags: '--expose_gc',
     markingMode: 'none'

demo/app/App_Resources/Android/src/main/res/drawable-hdpi/background.png renamed to demo/App_Resources/Android/src/main/res/drawable-hdpi/background.png

@@ -4,19 +4,18 @@
     "@nativescript-community/drawingpad": "file:../src",
     "nativescript-theme-core": "~1.0.4",
     "nativescript-unit-test-runner": "^0.5.0",
-    "@nativescript/core": "~7.0.5"
+    "@nativescript/core": "~7.1.1"
   },
   "devDependencies": {
-    "@nativescript/android": "7.0.0",
-    "@nativescript/types": "~7.0.4",
-    "@nativescript/webpack": "~3.0.4",
+    "@nativescript/android": "7.0.1",
+    "@nativescript/types": "~7.1.0",
+    "@nativescript/webpack": "~4.0.0",
     "jasmine-core": "3.3.0",
     "karma": "4.0.1",
     "karma-jasmine": "1.1.2",
     "karma-nativescript-launcher": "0.4.0",
-    "nativescript-dev-typescript": "~0.8.0",
     "tslint": "~5.13.1",
-    "typescript": "~3.9.7"
+    "typescript": "~4.1.3"
   },
   "scripts": {
     "build.plugin": "cd ../src && npm run build",