feat(firebaseai): imagen editing

packages/firebase_ai/firebase_ai/example/lib/main.dart

@@ -80,7 +80,7 @@ class _GenerativeAISampleState extends State<GenerativeAISample> {
       imageFormat: ImagenFormat.jpeg(compressionQuality: 75),
     );
     return instance.imagenModel(
-      model: 'imagen-3.0-generate-002',
+      model: 'imagen-3.0-capability-001',
       generationConfig: generationConfig,
       safetySettings: ImagenSafetySettings(
         ImagenSafetyFilterLevel.blockLowAndAbove,
@@ -230,7 +230,7 @@ class _HomeScreenState extends State<HomeScreen> {
                   onChanged: widget.onBackendChanged,
                   activeTrackColor: Colors.green.withValues(alpha: 0.5),
                   inactiveTrackColor: Colors.blueGrey.withValues(alpha: 0.5),
-                  activeColor: Colors.green,
+                  activeThumbColor: Colors.green,
                   inactiveThumbColor: Colors.blueGrey,
                 ),
                 Text(

packages/firebase_ai/firebase_ai/example/lib/pages/audio_page.dart

@@ -137,7 +137,11 @@ class _AudioPageState extends State<AudioPage> {
                 itemBuilder: (context, idx) {
                   return MessageWidget(
                     text: _messages[idx].text,
-                    image: _messages[idx].image,
+                    image: Image.memory(
+                      _messages[idx].imageBytes!,
+                      cacheWidth: 400,
+                      cacheHeight: 400,
+                    ),
                     isFromUser: _messages[idx].fromUser ?? false,
                   );
                 },

packages/firebase_ai/firebase_ai/example/lib/pages/bidi_page.dart

@@ -133,7 +133,11 @@ class _BidiPageState extends State<BidiPage> {
                 itemBuilder: (context, idx) {
                   return MessageWidget(
                     text: _messages[idx].text,
-                    image: _messages[idx].image,
+                    image: Image.memory(
+                      _messages[idx].imageBytes!,
+                      cacheWidth: 400,
+                      cacheHeight: 400,
+                    ),
                     isFromUser: _messages[idx].fromUser ?? false,
                   );
                 },

packages/firebase_ai/firebase_ai/example/lib/pages/chat_page.dart

@@ -70,7 +70,11 @@ class _ChatPageState extends State<ChatPage> {
                 itemBuilder: (context, idx) {
                   return MessageWidget(
                     text: _messages[idx].text,
-                    image: _messages[idx].image,
+                    image: Image.memory(
+                      _messages[idx].imageBytes!,
+                      cacheWidth: 400,
+                      cacheHeight: 400,
+                    ),
                     isFromUser: _messages[idx].fromUser ?? false,
                   );
                 },

packages/firebase_ai/firebase_ai/example/lib/pages/image_prompt_page.dart

@@ -65,7 +65,11 @@ class _ImagePromptPageState extends State<ImagePromptPage> {
                   var content = _generatedContent[idx];
                   return MessageWidget(
                     text: content.text,
-                    image: content.image,
+                    image: Image.memory(
+                      content.imageBytes!,
+                      cacheWidth: 400,
+                      cacheHeight: 400,
+                    ),
                     isFromUser: content.fromUser ?? false,
                   );
                 },
@@ -137,14 +141,14 @@ class _ImagePromptPageState extends State<ImagePromptPage> {
       ];
       _generatedContent.add(
         MessageData(
-          image: Image.asset('assets/images/cat.jpg'),
+          imageBytes: catBytes.buffer.asUint8List(),
           text: message,
           fromUser: true,
         ),
       );
       _generatedContent.add(
         MessageData(
-          image: Image.asset('assets/images/scones.jpg'),
+          imageBytes: sconeBytes.buffer.asUint8List(),
           fromUser: true,
         ),
       );