[firebase_ml_vision] Use const constructor in example app & update qr test image (#289)

Author: bparrishMines

packages/firebase_ml_vision/CHANGELOG.md

@@ -1,3 +1,8 @@
+## 0.9.2+3
+
+* Use `BoxDecoration` `const` constructor in example app.
+* Use a clearer test image for contact QR barcode.
+
 ## 0.9.2+2
 
 * Update deployment target of iOS example app to 9.0.

packages/firebase_ml_vision/example/assets/test_contact_barcode.jpg

@@ -47,7 +47,7 @@ class _ExampleListState extends State<_ExampleList> {
           final String widgetName = _exampleWidgetNames[index];
 
           return Container(
-            decoration: BoxDecoration(
+            decoration: const BoxDecoration(
               border: Border(bottom: BorderSide(color: Colors.grey)),
             ),
             child: ListTile(

packages/firebase_ml_vision/example/assets/test_contact_barcode.png

@@ -27,6 +27,6 @@ flutter:
   assets:
     - assets/test_face.jpg
     - assets/test_barcode.jpg
-    - assets/test_contact_barcode.png
+    - assets/test_contact_barcode.jpg
     - assets/test_text.png
     - assets/span_book.jpg

packages/firebase_ml_vision/example/lib/main.dart

@@ -22,7 +22,7 @@ void barcodeDetectorTests() {
 
     test('detectInImage contactInfo', () async {
       final String tmpFilename = await _loadImage(
-        'assets/test_contact_barcode.png',
+        'assets/test_contact_barcode.jpg',
       );
 
       final FirebaseVisionImage visionImage = FirebaseVisionImage.fromFilePath(

packages/firebase_ml_vision/example/pubspec.yaml

@@ -2,7 +2,7 @@ name: firebase_ml_vision
 description: Flutter plugin for Firebase machine learning vision services.
 author: Flutter Team <[email protected]>
 homepage: https://github.com/FirebaseExtended/flutterfire/tree/master/packages/firebase_ml_vision
-version: 0.9.2+2
+version: 0.9.2+3
 
 dependencies:
   flutter: