fix depcreated api a and add docs

android/app/build.gradle

@@ -44,7 +44,7 @@ android {
     defaultConfig {
         // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
         applicationId "com.resocoder.flutter_testing_tutorial"
-        minSdkVersion 16
+        minSdkVersion flutter.minSdkVersion
         targetSdkVersion 30
         versionCode flutterVersionCode.toInteger()
         versionName flutterVersionName

android/build.gradle

@@ -24,6 +24,6 @@ subprojects {
     project.evaluationDependsOn(':app')
 }
 
-task clean(type: Delete) {
+tasks.register("clean", Delete) {
     delete rootProject.buildDir
 }

android/gradle/wrapper/gradle-wrapper.properties

@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.7-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.6.1-all.zip

lib/article.dart

@@ -1,3 +1,4 @@
+/// A simple Article class with a title and content.
 class Article {
   final String title;
   final String content;
@@ -7,6 +8,7 @@ class Article {
     required this.content,
   });
 
+  /// Creates a copy of this article with the given fields replaced with the new values.
   Article copyWith({
     String? title,
     String? content,
@@ -20,6 +22,7 @@ class Article {
   @override
   String toString() => 'Article(title: $title, content: $content)';
 
+  /// Compares two articles based on their titles and contents.
   @override
   bool operator ==(Object other) {
     if (identical(this, other)) return true;

lib/article_page.dart

@@ -1,18 +1,27 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_testing_tutorial/article.dart';
 
+/// A widget that displays an article's title and content.
 class ArticlePage extends StatelessWidget {
+  /// The article to be displayed.
   final Article article;
 
+  /// Creates an instance of [ArticlePage].
+  ///
+  /// The [article] parameter is required and must not be null.
   const ArticlePage({
     required this.article,
     Key? key,
   }) : super(key: key);
 
   @override
   Widget build(BuildContext context) {
+    // Get the media query data for responsive design
     final mq = MediaQuery.of(context);
     return Scaffold(
+      appBar: AppBar(
+        title: Text(article.title),
+      ),
       body: SingleChildScrollView(
         padding: EdgeInsets.only(
           top: mq.padding.top,
@@ -22,11 +31,8 @@ class ArticlePage extends StatelessWidget {
         ),
         child: Column(
           children: [
-            Text(
-              article.title,
-              style: Theme.of(context).textTheme.headline5,
-            ),
-            const SizedBox(height: 8),
+            // Display the article title
+                        // Display the article content
             Text(article.content),
           ],
         ),

lib/main.dart

@@ -6,14 +6,24 @@ import 'package:flutter_testing_tutorial/news_service.dart';
 
 void main() => runApp(MyApp());
 
+/// Root widget of the application
+///
+/// This stateless widget sets up the basic app structure including:
+/// - MaterialApp as the root
+/// - Provider for state management
+/// - Initial route to NewsPage
 class MyApp extends StatelessWidget {
+  const MyApp({Key? key}) : super(key: key);
+
   @override
   Widget build(BuildContext context) {
     return MaterialApp(
+      debugShowCheckedModeBanner: false,
       title: 'News App',
+      // Initialize NewsChangeNotifier with NewsService dependency
       home: ChangeNotifierProvider(
         create: (_) => NewsChangeNotifier(NewsService()),
-        child: NewsPage(),
+        child: const NewsPage(),
       ),
     );
   }

lib/news_change_notifier.dart

@@ -2,18 +2,27 @@ import 'package:flutter/material.dart';
 import 'package:flutter_testing_tutorial/article.dart';
 import 'package:flutter_testing_tutorial/news_service.dart';
 
+/// A class that extends [ChangeNotifier] to manage and notify listeners about news articles.
 class NewsChangeNotifier extends ChangeNotifier {
+  /// The service responsible for fetching news articles.
   final NewsService _newsService;
 
+  /// Creates an instance of [NewsChangeNotifier] with the given [NewsService].
   NewsChangeNotifier(this._newsService);
 
+  /// A list of articles fetched from the news service.
   List<Article> _articles = [];
 
+  /// Returns the list of articles.
   List<Article> get articles => _articles;
 
+  /// Indicates whether articles are currently being loaded.
   bool _isLoading = false;
+
+  /// Returns true if articles are being loaded, false otherwise.
   bool get isLoading => _isLoading;
 
+  /// Fetches articles from the news service and updates the state.
   Future<void> getArticles() async {
     _isLoading = true;
     notifyListeners();

lib/news_page.dart

@@ -3,27 +3,41 @@ import 'package:provider/provider.dart';
 import 'package:flutter_testing_tutorial/article_page.dart';
 import 'package:flutter_testing_tutorial/news_change_notifier.dart';
 
+/// A page that displays a list of news articles.
 class NewsPage extends StatefulWidget {
+  /// Creates a [NewsPage].
   const NewsPage({Key? key}) : super(key: key);
 
   @override
   State<NewsPage> createState() => _NewsPageState();
 }
 
 class _NewsPageState extends State<NewsPage> {
+
   @override
   void initState() {
     super.initState();
+    // Fetch articles when the widget is initialized.
     Future.microtask(
       () => context.read<NewsChangeNotifier>().getArticles(),
     );
   }
 
   @override
   Widget build(BuildContext context) {
+    // Build the UI for the NewsPage.
     return Scaffold(
       appBar: AppBar(
         title: const Text('News'),
+        actions: [
+          IconButton(
+            icon: const Icon(Icons.refresh),
+            onPressed: () {
+              // Refresh articles when the refresh button is pressed.
+              context.read<NewsChangeNotifier>().getArticles();
+            },
+          ),
+        ],
       ),
       body: Consumer<NewsChangeNotifier>(
         builder: (context, notifier, child) {
@@ -42,6 +56,7 @@ class _NewsPageState extends State<NewsPage> {
                 elevation: 2,
                 child: InkWell(
                   onTap: () {
+                    // Navigate to the ArticlePage when an article is tapped.
                     Navigator.of(context).push(
                       MaterialPageRoute(
                         builder: (_) => ArticlePage(article: article),

lib/news_service.dart

@@ -3,17 +3,28 @@ import 'package:flutter_testing_tutorial/article.dart';
 
 /// A News service simulating communication with a server.
 class NewsService {
-  // Simulating a remote database
+  /// In-memory list of articles that simulates a remote database.
+  /// Generates 10 articles with random lorem ipsum text for both
+  /// title and content.
+
   final _articles = List.generate(
     10,
     (_) => Article(
-      title: lorem(paragraphs: 1, words: 3),
-      content: lorem(paragraphs: 10, words: 500),
+      title: lorem(paragraphs: 1, words: 3), // Generate a 3-word title
+      content: lorem(
+          paragraphs: 7, words: 500), // Generate content with 10 paragraphs
     ),
   );
 
+  /// Fetches all articles from the simulated database.
+  ///
+  /// Adds an artificial delay of 1 second to simulate network latency.
+  ///
+  /// Returns:
+  ///   Future<List<Article>>: A list of Article objects after the delay.
   Future<List<Article>> getArticles() async {
     await Future.delayed(const Duration(seconds: 1));
     return _articles;
   }
+
 }

macos/Podfile

@@ -1,4 +1,4 @@
-platform :osx, '10.11'
+platform :osx, '10.14'
 
 # CocoaPods analytics sends network stats synchronously affecting flutter build latency.
 ENV['COCOAPODS_DISABLE_STATS'] = 'true'

macos/Runner.xcodeproj/project.pbxproj

@@ -3,7 +3,7 @@
 	archiveVersion = 1;
 	classes = {
 	};
-	objectVersion = 51;
+	objectVersion = 54;
 	objects = {
 
 /* Begin PBXAggregateTarget section */
@@ -202,7 +202,7 @@
 			isa = PBXProject;
 			attributes = {
 				LastSwiftUpdateCheck = 0920;
-				LastUpgradeCheck = 0930;
+				LastUpgradeCheck = 1510;
 				ORGANIZATIONNAME = "";
 				TargetAttributes = {
 					33CC10EC2044A3C60003C045 = {
@@ -255,6 +255,7 @@
 /* Begin PBXShellScriptBuildPhase section */
 		3399D490228B24CF009A79C7 /* ShellScript */ = {
 			isa = PBXShellScriptBuildPhase;
+			alwaysOutOfDate = 1;
 			buildActionMask = 2147483647;
 			files = (
 			);
@@ -386,7 +387,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				MACOSX_DEPLOYMENT_TARGET = 10.11;
+				MACOSX_DEPLOYMENT_TARGET = 10.14;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = macosx;
 				SWIFT_COMPILATION_MODE = wholemodule;
@@ -465,7 +466,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				MACOSX_DEPLOYMENT_TARGET = 10.11;
+				MACOSX_DEPLOYMENT_TARGET = 10.14;
 				MTL_ENABLE_DEBUG_INFO = YES;
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = macosx;
@@ -512,7 +513,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				MACOSX_DEPLOYMENT_TARGET = 10.11;
+				MACOSX_DEPLOYMENT_TARGET = 10.14;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = macosx;
 				SWIFT_COMPILATION_MODE = wholemodule;

macos/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1000"
+   LastUpgradeVersion = "1510"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"

macos/Runner/AppDelegate.swift

@@ -1,7 +1,7 @@
 import Cocoa
 import FlutterMacOS
 
-@NSApplicationMain
+@main
 class AppDelegate: FlutterAppDelegate {
   override func applicationShouldTerminateAfterLastWindowClosed(_ sender: NSApplication) -> Bool {
     return true