Resize Screenshot

lib/src/flutter/adapters/widget_tester_app_driver_adapter.dart

@@ -5,12 +5,12 @@ import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/rendering.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:image/image.dart';
 import 'package:integration_test/integration_test.dart';
 
 import 'app_driver_adapter.dart';
 
-class WidgetTesterAppDriverAdapter
-    extends AppDriverAdapter<WidgetTester, Finder, Widget> {
+class WidgetTesterAppDriverAdapter extends AppDriverAdapter<WidgetTester, Finder, Widget> {
   IntegrationTestWidgetsFlutterBinding binding;
   bool waitImplicitlyAfterAction;
 
@@ -88,8 +88,16 @@ class WidgetTesterAppDriverAdapter
 
       return await layer
           .toImage(renderObject.semanticBounds)
-          .then((value) => value.toByteData(format: ui.ImageByteFormat.png))
-          .then((value) => value!.buffer.asUint8List());
+          .then((value) => value.toByteData(
+                format: ui.ImageByteFormat.png,
+              ))
+          .then((value) => value!.buffer.asUint8List())
+          .then((value) {
+        final image = decodePng(value);
+        final resized = copyResize(image!, width: 120);
+        final resizedByteData = encodePng(image);
+        return resizedByteData!.buffer.asUint8List();
+      });
     }
 
     throw Exception('Unable to take screenshot on Android device');
@@ -97,8 +105,7 @@ class WidgetTesterAppDriverAdapter
 
   @override
   Future<List<int>> screenshot({String? screenshotName}) async {
-    final name =
-        screenshotName ?? 'screenshot_${DateTime.now().millisecondsSinceEpoch}';
+    final name = screenshotName ?? 'screenshot_${DateTime.now().millisecondsSinceEpoch}';
     if (kIsWeb || Platform.isAndroid) {
       // try {
       //   // TODO: See https://github.com/flutter/flutter/issues/92381
@@ -146,8 +153,7 @@ class WidgetTesterAppDriverAdapter
       return instance.controller?.text;
     }
 
-    throw Exception(
-        'Unable to get text from unknown type `${instance.runtimeType}`');
+    throw Exception('Unable to get text from unknown type `${instance.runtimeType}`');
   }
 
   @override

pubspec.lock

@@ -196,6 +196,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "0.15.0"
+  image:
+    dependency: "direct main"
+    description:
+      name: image
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "4.0.13"
   integration_test:
     dependency: "direct main"
     description: flutter

pubspec.yaml

@@ -21,6 +21,7 @@ dependencies:
   source_gen: ^1.1.1
   build: ^2.1.1
   glob: ^2.0.2
+  image: ^4.0.13
 
 dev_dependencies:
   meta: '>=1.7.0 < 2.0.0'