Fcm topics

analysis_options.yaml

@@ -0,0 +1,29 @@
+# This file configures the analyzer, which statically analyzes Dart code to
+# check for errors, warnings, and lints.
+#
+# The issues identified by the analyzer are surfaced in the UI of Dart-enabled
+# IDEs (https://dart.dev/tools#ides-and-editors). The analyzer can also be
+# invoked from the command line by running `flutter analyze`.
+
+# The following line activates a set of recommended lints for Flutter apps,
+# packages, and plugins designed to encourage good coding practices.
+include: package:flutter_lints/flutter.yaml
+
+linter:
+  # The lint rules applied to this project can be customized in the
+  # section below to disable rules from the `package:flutter_lints/flutter.yaml`
+  # included above or to enable additional rules. A list of all available lints
+  # and their documentation is published at
+  # https://dart-lang.github.io/linter/lints/index.html.
+  #
+  # Instead of disabling a lint rule for the entire project in the
+  # section below, it can also be suppressed for a single line of code
+  # or a specific dart file by using the `// ignore: name_of_lint` and
+  # `// ignore_for_file: name_of_lint` syntax on the line or in the file
+  # producing the lint.
+  rules:
+    # avoid_print: false  # Uncomment to disable the `avoid_print` rule
+    # prefer_single_quotes: true  # Uncomment to enable the `prefer_single_quotes` rule
+
+# Additional information about this file can be found at
+# https://dart.dev/guides/language/analysis-options

android/app/build.gradle

@@ -27,7 +27,17 @@ apply plugin: 'kotlin-android'
 apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
 
 android {
-    compileSdkVersion 30
+    compileSdkVersion flutter.compileSdkVersion
+    ndkVersion flutter.ndkVersion
+
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+
+    kotlinOptions {
+        jvmTarget = '1.8'
+    }
 
     sourceSets {
         main.java.srcDirs += 'src/main/kotlin'
@@ -36,8 +46,8 @@ android {
     defaultConfig {
         // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
         applicationId "com.flutter.udemy_flutter"
-        minSdkVersion 16
-        targetSdkVersion 30
+        minSdkVersion flutter.minSdkVersion
+        targetSdkVersion flutter.targetSdkVersion
         multiDexEnabled true
         versionCode flutterVersionCode.toInteger()
         versionName flutterVersionName

android/app/src/main/AndroidManifest.xml

@@ -2,9 +2,12 @@
     package="com.flutter.udemy_flutter">
    <application
         android:label="udemy_flutter"
-        android:icon="@mipmap/ic_launcher">
+       android:name="${applicationName}"
+       android:icon="@mipmap/ic_launcher">
         <activity
             android:name=".MainActivity"
+            android:exported="true"
+
             android:launchMode="singleTop"
             android:theme="@style/LaunchTheme"
             android:configChanges="orientation|keyboardHidden|keyboard|screenSize|smallestScreenSize|locale|layoutDirection|fontScale|screenLayout|density|uiMode"

android/build.gradle

@@ -1,12 +1,12 @@
 buildscript {
-    ext.kotlin_version = '1.3.50'
+    ext.kotlin_version = '1.7.0'
     repositories {
         google()
-        jcenter()
+        mavenCentral()
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:4.1.0'
+        classpath 'com.android.tools.build:gradle:7.1.3'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
         classpath 'com.google.gms:google-services:4.3.5'
     }
@@ -15,7 +15,7 @@ buildscript {
 allprojects {
     repositories {
         google()
-        jcenter()
+        mavenCentral()
     }
 }
 

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-7.4-all.zip

ios/Runner.xcodeproj/project.pbxproj

@@ -265,7 +265,7 @@
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 			shellPath = /bin/sh;
-			shellScript = "diff \"${PODS_PODFILE_DIR_PATH}/Podfile.lock\" \"${PODS_ROOT}/Manifest.lock\" > /dev/null\nif [ $? != 0 ] ; then\n    # print error to STDERR\n    echo \"error: The sandbox is not in sync with the Podfile.lock. Run 'pod install' or update your CocoaPods installation.\" >&2\n    exit 1\nfi\n# This output is used by Xcode 'outputs' to avoid re-running this script phase.\necho \"SUCCESS\" > \"${SCRIPT_OUTPUT_FILE_0}\"\n";
+			shellScript = "diff \"${PODS_PODFILE_DIR_PATH}/Podfile.lock\" \"${PODS_ROOT}/Manifest.lock\" > /dev/null\nif [ $? != 0 ] ; then\n    # debugPrint error to STDERR\n    echo \"error: The sandbox is not in sync with the Podfile.lock. Run 'pod install' or update your CocoaPods installation.\" >&2\n    exit 1\nfi\n# This output is used by Xcode 'outputs' to avoid re-running this script phase.\necho \"SUCCESS\" > \"${SCRIPT_OUTPUT_FILE_0}\"\n";
 			showEnvVarsInLog = 0;
 		};
 /* End PBXShellScriptBuildPhase section */

lib/layout/news_app/cubit/cubit.dart

@@ -16,19 +16,19 @@ class NewsCubit extends Cubit<NewsStates>
 
   List<BottomNavigationBarItem> bottomItems =
   [
-    BottomNavigationBarItem(
+    const BottomNavigationBarItem(
       icon: Icon(
         Icons.business,
       ),
       label: 'Business',
     ),
-    BottomNavigationBarItem(
+    const BottomNavigationBarItem(
       icon: Icon(
         Icons.sports,
       ),
       label: 'Sports',
     ),
-    BottomNavigationBarItem(
+    const BottomNavigationBarItem(
       icon: Icon(
         Icons.science,
       ),
@@ -38,22 +38,24 @@ class NewsCubit extends Cubit<NewsStates>
 
   List<Widget> screens =
   [
-    BusinessScreen(),
-    SportsScreen(),
-    ScienceScreen(),
+    const BusinessScreen(),
+    const SportsScreen(),
+    const ScienceScreen(),
   ];
 
   void changeBottomNavBar(int index)
   {
     currentIndex = index;
-    if(index == 1)
+    if(index == 1) {
       getSports();
-    if(index == 2)
+    }
+    if(index == 2) {
       getScience();
+    }
     emit(NewsBottomNavState());
   }
 
-  List<dynamic> business = [];
+  List<dynamic>? business = [];
 
   void getBusiness()
   {
@@ -69,24 +71,24 @@ class NewsCubit extends Cubit<NewsStates>
       },
     ).then((value)
     {
-      //print(value.data['articles'][0]['title']);
+      //debugPrint(value.data['articles'][0]['title']);
       business = value.data['articles'];
-      print(business[0]['title']);
+      debugPrint(business![0]['title']);
 
       emit(NewsGetBusinessSuccessState());
     }).catchError((error){
-      print(error.toString());
+      debugPrint(error.toString());
       emit(NewsGetBusinessErrorState(error.toString()));
     });
   }
 
-  List<dynamic> sports = [];
+  List<dynamic>? sports = [];
 
   void getSports()
   {
     emit(NewsGetSportsLoadingState());
 
-    if(sports.length == 0)
+    if(sports!.isEmpty)
     {
       DioHelper.getData(
         url: 'v2/top-headlines',
@@ -98,13 +100,13 @@ class NewsCubit extends Cubit<NewsStates>
         },
       ).then((value)
       {
-        //print(value.data['articles'][0]['title']);
+        //debugPrint(value.data['articles'][0]['title']);
         sports = value.data['articles'];
-        print(sports[0]['title']);
+        debugPrint(sports![0]['title']);
 
         emit(NewsGetSportsSuccessState());
       }).catchError((error){
-        print(error.toString());
+        debugPrint(error.toString());
         emit(NewsGetSportsErrorState(error.toString()));
       });
     } else
@@ -113,13 +115,13 @@ class NewsCubit extends Cubit<NewsStates>
       }
   }
 
-  List<dynamic> science = [];
+  List<dynamic>? science = [];
 
   void getScience()
   {
     emit(NewsGetScienceLoadingState());
 
-    if(science.length == 0)
+    if(science!.isEmpty)
     {
       DioHelper.getData(
         url: 'v2/top-headlines',
@@ -131,13 +133,13 @@ class NewsCubit extends Cubit<NewsStates>
         },
       ).then((value)
       {
-        //print(value.data['articles'][0]['title']);
+        //debugPrint(value.data['articles'][0]['title']);
         science = value.data['articles'];
-        print(science[0]['title']);
+        debugPrint(science![0]['title']);
 
         emit(NewsGetScienceSuccessState());
       }).catchError((error){
-        print(error.toString());
+        debugPrint(error.toString());
         emit(NewsGetScienceErrorState(error.toString()));
       });
     } else
@@ -146,7 +148,7 @@ class NewsCubit extends Cubit<NewsStates>
       }
   }
 
-  List<dynamic> search = [];
+  List<dynamic>? search = [];
 
   void getSearch(String value)
   {
@@ -156,18 +158,18 @@ class NewsCubit extends Cubit<NewsStates>
       url: 'v2/everything',
       query:
       {
-        'q':'$value',
+        'q':value,
         'apiKey':'65f7f556ec76449fa7dc7c0069f040ca',
       },
     ).then((value)
     {
-      //print(value.data['articles'][0]['title']);
+      //debugPrint(value.data['articles'][0]['title']);
       search = value.data['articles'];
-      print(search[0]['title']);
+      debugPrint(search![0]['title']);
 
       emit(NewsGetSearchSuccessState());
     }).catchError((error){
-      print(error.toString());
+      debugPrint(error.toString());
       emit(NewsGetSearchErrorState(error.toString()));
     });
   }

lib/layout/news_app/news_layout.dart

@@ -7,35 +7,37 @@ import 'package:udemy_flutter/shared/components/components.dart';
 import 'package:udemy_flutter/shared/cubit/cubit.dart';
 
 class NewsLayout extends StatelessWidget {
+  const NewsLayout({Key? key}) : super(key: key);
+
   @override
   Widget build(BuildContext context) {
     return BlocConsumer<NewsCubit, NewsStates>(
       listener: (context, state) {},
-      builder: (context, state)
-      {
+      builder: (context, state) {
         var cubit = NewsCubit.get(context);
 
         return Scaffold(
           appBar: AppBar(
-            title: Text(
+            title: const Text(
               'News App',
             ),
             actions: [
               IconButton(
-                icon: Icon(
+                icon: const Icon(
                   Icons.search,
                 ),
-                onPressed: ()
-                {
-                  navigateTo(context, SearchScreen(),);
+                onPressed: () {
+                  navigateTo(
+                    context,
+                    const SearchScreen(),
+                  );
                 },
               ),
               IconButton(
-                icon: Icon(
+                icon: const Icon(
                   Icons.brightness_4_outlined,
                 ),
-                onPressed: ()
-                {
+                onPressed: () {
                   AppCubit.get(context).changeAppMode();
                 },
               ),