change CHANGELOG.md and format codes

Author: Babak

CHANGELOG.md

@@ -1,3 +1,11 @@
+## 2.0.1
+* ## new feature
+* Decode utf-8
+* streamChat
+
+## 2.0.0
+* work for lower Dart SDK version
+
 ## 2.0.0-dev-1
 
 * ## Add new crucial features

example/lib/main.dart

@@ -1,4 +1,5 @@
 import 'package:example/sections/chat.dart';
+import 'package:example/sections/chat_stream.dart';
 import 'package:example/sections/embed_batch_contents.dart';
 import 'package:example/sections/embed_content.dart';
 import 'package:example/sections/response_widget_stream.dart';
@@ -54,11 +55,12 @@ class _MyHomePageState extends State<MyHomePage> {
  SectionItem(0, 'Stream text', const SectionTextStreamInput()),
  SectionItem(1, 'textAndImage', const SectionTextAndImageInput()),
  SectionItem(2, 'chat', const SectionChat()),
- SectionItem(3, 'text', const SectionTextInput()),
- SectionItem(4, 'embedContent', const SectionEmbedContent()),
- SectionItem(5, 'batchEmbedContents', const SectionBatchEmbedContents()),
+ SectionItem(3, 'Stream chat', const SectionStreamChat()),
+ SectionItem(4, 'text', const SectionTextInput()),
+ SectionItem(5, 'embedContent', const SectionEmbedContent()),
+ SectionItem(6, 'batchEmbedContents', const SectionBatchEmbedContents()),
  SectionItem(
- 6, 'response without setState()', const ResponseWidgetSection()),
+ 7, 'response without setState()', const ResponseWidgetSection()),
  ];
 
  @override

example/lib/sections/chat_stream.dart

@@ -0,0 +1,99 @@
+import 'package:example/widgets/chat_input_box.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_gemini/flutter_gemini.dart';
+import 'package:flutter_markdown/flutter_markdown.dart';
+
+class SectionStreamChat extends StatefulWidget {
+ const SectionStreamChat({super.key});
+
+ @override
+ State<SectionStreamChat> createState() => _SectionStreamChatState();
+}
+
+class _SectionStreamChatState extends State<SectionStreamChat> {
+ final controller = TextEditingController();
+ final gemini = Gemini.instance;
+ bool _loading = false;
+
+ bool get loading => _loading;
+
+ set loading(bool set) => setState(() => _loading = set);
+ final List<Content> chats = [];
+
+ @override
+ Widget build(BuildContext context) {
+ return Column(
+ children: [
+ Expanded(
+ child: chats.isNotEmpty
+ ? Align(
+ alignment: Alignment.bottomCenter,
+ child: SingleChildScrollView(
+ reverse: true,
+ child: ListView.builder(
+ itemBuilder: chatItem,
+ shrinkWrap: true,
+ physics: const NeverScrollableScrollPhysics(),
+ itemCount: chats.length,
+ reverse: false,
+ ),
+ ),
+ )
+ : const Center(child: Text('Search something!'))),
+ if (loading) const CircularProgressIndicator(),
+ ChatInputBox(
+ controller: controller,
+ onSend: () {
+ if (controller.text.isNotEmpty) {
+ final searchedText = controller.text;
+ chats.add(
+ Content(role: 'user', parts: [Parts(text: searchedText)]));
+ controller.clear();
+ loading = true;
+
+ gemini.streamChat(chats).listen((value) {
+ print("-------------------------------");
+ print(value.output);
+ loading = false;
+ setState(() {
+ if (chats.isNotEmpty &&
+ chats.last.role == value.content?.role) {
+ chats.last.parts!.last.text =
+ '${chats.last.parts!.last.text}${value.output}';
+ } else {
+ chats.add(Content(
+ role: 'model', parts: [Parts(text: value.output)]));
+ }
+ });
+ });
+ }
+ },
+ ),
+ ],
+ );
+ }
+
+ Widget chatItem(BuildContext context, int index) {
+ final Content content = chats[index];
+
+ return Card(
+ elevation: 0,
+ color:
+ content.role == 'model' ? Colors.blue.shade800 : Colors.transparent,
+ child: Padding(
+ padding: const EdgeInsets.all(8.0),
+ child: Column(
+ crossAxisAlignment: CrossAxisAlignment.start,
+ children: [
+ Text(content.role ?? 'role'),
+ Markdown(
+ shrinkWrap: true,
+ physics: const NeverScrollableScrollPhysics(),
+ data:
+ content.parts?.lastOrNull?.text ?? 'cannot generate data!'),
+ ],
+ ),
+ ),
+ );
+ }
+}

example/pubspec.lock

@@ -148,7 +148,7 @@ packages:
  path: ".."
  relative: true
  source: path
- version: "2.0.0"
+ version: "2.0.1"
  flutter_lints:
  dependency: "direct dev"
  description:

lib/src/implement/gemini_implement.dart

@@ -57,7 +57,7 @@ class GeminiImpl implements GeminiInterface {
  'contents': [
  {
  "parts": [
- {"text": text},
+ {"text": text}
  ]
  }
  ]
@@ -121,7 +121,6 @@ class GeminiImpl implements GeminiInterface {
  try {
  res = utf8.decode(list);
  } catch (e) {
- print("error: $e");
  cacheUnits = list;
  continue;
  }

lib/src/init.dart

@@ -49,7 +49,8 @@ class Gemini implements GeminiInterface {
  : _impl = GeminiImpl(
  api: GeminiService(
  Dio(BaseOptions(
- baseUrl: '${baseURL ?? Constants.baseUrl}${version ?? Constants.defaultVersion}/',
+ baseUrl:
+ '${baseURL ?? Constants.baseUrl}${version ?? Constants.defaultVersion}/',
  contentType: 'application/json',
  headers: headers,
  )),

pubspec.yaml

@@ -1,7 +1,7 @@
 name: flutter_gemini
 description: Flutter Google Gemini SDK. Google Gemini is a set of cutting-edge large language models 
  (LLMs) designed to be the driving force behind Google's future AI initiatives.
-version: 2.0.0-dev-1
+version: 2.0.1
 homepage: https://github.com/babakcode/flutter_gemini
 topics:
  - gemini
@@ -23,8 +23,7 @@ platforms:
  macos:
 
 environment:
- sdk: '>=3.1.3 <4.0.0'
- flutter: ">=1.17.0"
+ sdk: '>=3.0.0 <4.0.0'
 
 dependencies:
  dio: ^5.4.0