Multi language support implemented, alert dialogue implemented

android/app/build.gradle

@@ -60,7 +60,7 @@ apply plugin: 'kotlin-android'
 apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
 
 android {
-    compileSdkVersion 30
+    compileSdkVersion 31
 
     sourceSets {
         main.java.srcDirs += 'src/main/kotlin'
@@ -70,7 +70,7 @@ android {
         // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
         applicationId "com.hellohasan.flutter_getx_template"
         minSdkVersion 19
-        targetSdkVersion 30
+        targetSdkVersion 31
         versionCode flutterVersionCode.toInteger()
         versionName flutterVersionName
     }

android/app/src/main/AndroidManifest.xml

@@ -8,6 +8,7 @@
         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"

lib/app/core/values/text_styles.dart

@@ -125,6 +125,12 @@ const settingsItemStyle = TextStyle(
   fontWeight: FontWeight.w400,
 );
 
+const buttonTextStyle = TextStyle(
+  fontSize: 16,
+  fontWeight: FontWeight.w400,
+  color: Colors.white
+);
+
 final cardTagStyle = titleStyle.copyWith(color: AppColors.textColorGreyDark);
 
 const titleStyleWhite = TextStyle(

lib/app/core/widget/alert_widget.dart

@@ -0,0 +1,70 @@
+import 'package:flutter/cupertino.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_getx_template/app/modules/settings/controllers/settings_controller.dart';
+import 'package:get/get.dart';
+import 'package:get/get_core/src/get_main.dart';
+import 'package:get/get_state_manager/src/rx_flutter/rx_obx_widget.dart';
+
+import '../values/text_styles.dart';
+
+class AlertWidget extends StatelessWidget {
+  SettingsController controller = Get.find();
+
+  @override
+  Widget build(BuildContext context) {
+    return Column(
+      children: [
+        Padding(
+          padding: const EdgeInsets.only(left: 18.0, bottom: 4.0),
+          child: Row(
+            children: [
+              Obx(() => InkWell(
+                    child: controller.selectedLangCode.contains('en')
+                        ? const Icon(Icons.radio_button_checked)
+                        : const Icon(Icons.radio_button_off),
+                    onTap: () {
+                      controller.updateLanguage('en');
+                    },
+                  )),
+              const SizedBox(
+                width: 8.0,
+              ),
+              InkWell(
+                onTap: () {
+                  controller.updateLanguage('en');
+                },
+                child: const Text(
+                  'English',
+                  style: settingsItemStyle,
+                ),
+              ),
+            ],
+          ),
+        ),
+        Padding(
+          padding: const EdgeInsets.only(left: 18.0, bottom: 0.0),
+          child: Row(children: [
+            Obx(
+              () => InkWell(
+                child: controller.selectedLangCode.contains('bn')
+                    ? const Icon(Icons.radio_button_checked)
+                    : const Icon(Icons.radio_button_off),
+                onTap: () {
+                  controller.updateLanguage('bn');
+                },
+              ),
+            ),
+            const SizedBox(
+              width: 8.0,
+            ),
+            InkWell(
+                onTap: () {
+                  controller.updateLanguage('bn');
+                },
+                child: const Text('বাংলা', style: settingsItemStyle)),
+          ]),
+        ),
+      ],
+    );
+  }
+}

lib/app/modules/favorite/views/favorite_view.dart

@@ -9,15 +9,15 @@ class FavoriteView extends BaseView<FavoriteController> {
   @override
   PreferredSizeWidget? appBar(BuildContext context) {
     return CustomAppBar(
-      appBarTitleText: 'Favorite',
+      appBarTitleText: appLocalization.bottomNavFavorite,
     );
   }
 
   @override
   Widget body(BuildContext context) {
-    return const Center(
+    return Center(
       child: Text(
-        'FavoriteView is working',
+        appLocalization.favoriteViewMessage,
         style: titleStyle,
       ),
     );

lib/app/modules/home/views/home_view.dart

@@ -16,7 +16,7 @@ class HomeView extends BaseView<HomeController> {
   @override
   PreferredSizeWidget? appBar(BuildContext context) {
     return CustomAppBar(
-      appBarTitleText: 'GetX Templates on GitHub',
+      appBarTitleText: appLocalization.homeViewAppBarTitle,
     );
   }
 

lib/app/modules/main/views/bottom_nav_bar.dart

@@ -16,7 +16,7 @@ class BottomNavBar extends StatelessWidget {
   BottomNavBar({Key? key, required this.onNewMenuSelected}) : super(key: key);
   late AppLocalizations appLocalization;
 
-  final navController = BottomNavController();
+  final navController = Get.put(BottomNavController());
 
   final Key bottomNavKey = GlobalKey();
 

lib/app/modules/settings/controllers/settings_controller.dart

@@ -1,9 +1,18 @@
+import 'package:flutter/cupertino.dart';
 import 'package:get/get.dart';
 
 import '/app/core/base/base_controller.dart';
 
 class SettingsController extends BaseController {
-  final count = 0.obs;
+  var selectedLangCode = "en".obs;
 
-  void increment() => count.value++;
+  updateLanguage(var langCode){
+    print("Tapped: $langCode");
+    selectedLangCode.value = langCode;
+  }
+
+  void changeLanguage() {
+    var locale = selectedLangCode.value == 'en' ? Locale('en', 'US') : Locale('bn', 'BD');
+    Get.updateLocale(locale);
+  }
 }

lib/app/modules/settings/views/settings_view.dart

@@ -1,10 +1,17 @@
 import 'package:flutter/material.dart';
+import 'package:flutter_getx_template/app/core/values/app_colors.dart';
+import 'package:flutter_getx_template/app/core/values/text_styles.dart';
+import 'package:flutter_getx_template/app/core/widget/alert_widget.dart';
+import 'package:get/get.dart';
+import '../../main/controllers/bottom_nav_controller.dart';
 import '/app/modules/settings/widgets/item_settings_widgets.dart';
 import '/app/core/base/base_view.dart';
 import '/app/core/widget/custom_app_bar.dart';
 import '/app/modules/settings/controllers/settings_controller.dart';
 
 class SettingsView extends BaseView<SettingsController> {
+  BottomNavController bottomNavController = Get.find();
+
   @override
   PreferredSizeWidget? appBar(BuildContext context) {
     return CustomAppBar(
@@ -47,15 +54,59 @@ class SettingsView extends BaseView<SettingsController> {
   }
 
   void _onThemeItemClicked() {
-    showToast('Theme: Development in progress');
+    showToast(appLocalization.themeToast);
   }
 
   void _onLanguageItemClicked() {
-    showToast('Language: Development in progress');
+    Get.defaultDialog(
+      title: appLocalization.languageSelectorTitle,
+      titleStyle: titleStyle,
+      middleText: '',
+      content: AlertWidget(),
+      actions: [
+        Padding(
+          padding: const EdgeInsets.only(right: 8.0),
+          child: Row(
+            mainAxisAlignment: MainAxisAlignment.end,
+            children: [
+              ElevatedButton(
+                child: Text(
+                  appLocalization.cancelText,
+                  style: buttonTextStyle,
+                ),
+                style: ElevatedButton.styleFrom(
+                  primary: AppColors.appBarColor,
+                ),
+                onPressed: () {
+                  Get.back();
+                },
+              ),
+              const SizedBox(
+                width: 4.0,
+              ),
+              ElevatedButton(
+                onPressed: () {
+                  Get.back();
+                  controller.changeLanguage();
+                  bottomNavController.updateSelectedIndex(2);
+                  showToast(appLocalization.languageToast);
+                },
+                child: Text(
+                  appLocalization.confirmText,
+                  style: buttonTextStyle,
+                ),
+                style: ElevatedButton.styleFrom(
+                  primary: AppColors.appBarColor,
+                ),
+              ),
+            ],
+          ),
+        )
+      ],
+    );
   }
 
   void _onFontSizeItemClicked() {
-    showToast('Font Size: Development in progress');
+    showToast(appLocalization.fontSizeToast);
   }
-
 }

lib/l10n/app_bn.arb

@@ -5,5 +5,13 @@
   "titleOtherView": "অন্যান্য",
   "settingsTheme": "থিম",
   "settingsLanguage": "ভাষা",
-  "settingsFontSize": "অক্ষরের আকার"
+  "settingsFontSize": "অক্ষরের আকার",
+  "languageToast": "ভাষা: ভাষা পরিবর্তন হয়েছে",
+  "fontSizeToast": "অক্ষরের আকার: অক্ষরের আকার পরিবর্তনের  কাজ চলছে",
+  "themeToast": "থিম: থিম পরিবর্তনের  কাজ চলছে",
+  "favoriteViewMessage": "ফেভারিট স্ক্রিন এর কাজ চলছে",
+  "homeViewAppBarTitle": "GitHub এর GetX টেমপ্লেটসমূহ",
+  "languageSelectorTitle": "ভাষা নির্বাচন",
+  "cancelText": "বাতিল করুন",
+  "confirmText": "নিশ্চিত করুন"
 }

lib/l10n/app_en.arb

@@ -5,5 +5,13 @@
   "titleOtherView": "OtherView",
   "settingsTheme": "Theme",
   "settingsLanguage": "Language",
-  "settingsFontSize": "Font Size"
+  "settingsFontSize": "Font Size",
+  "languageToast": "Language: Language Changed",
+  "fontSizeToast": "Font Size: Development in progress",
+  "themeToast": "Theme: Development in progress",
+  "favoriteViewMessage": "FavoriteView is working",
+  "homeViewAppBarTitle": "GetX Templates on GitHub",
+  "languageSelectorTitle": "Select Language",
+  "cancelText": "Cancel",
+  "confirmText": "Confirm"
 }

pubspec.lock

@@ -343,6 +343,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "0.12.11"
+  material_color_utilities:
+    dependency: transitive
+    description:
+      name: material_color_utilities
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.1.3"
   meta:
     dependency: transitive
     description:
@@ -613,7 +620,7 @@ packages:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.4.3"
+    version: "0.4.8"
   typed_data:
     dependency: transitive
     description: