Merge branch '38-swipe-to-navigate' into 'master'

Resolve "Swipe to navigate"

Closes #38

See merge request !36

android/gradle.properties

 org.gradle.jvmargs=-Xmx1536M
 android.useAndroidX=true
 android.enableJetifier=true
-app.versionName=1.0.27
-app.versionCode=28
+app.versionName=1.0.28
+app.versionCode=29

lib/cubit/bottom_nav_cubit.dart

@@ -5,6 +5,9 @@ class BottomNavCubit extends HydratedCubit<int> {
 
   void updateIndex(int index) => emit(index);
 
+  void movePrevious() => emit((state > 0) ? state - 1 : state);
+  void moveNext() => emit((state < 3) ? state + 1 : state);
+
   void getDemoPage() => emit(0);
   void getGraphPage() => emit(1);
   void getSettingsPage() => emit(2);

lib/ui/screens/skeleton_screen.dart

@@ -33,18 +33,32 @@ class _SkeletonScreenState extends State<SkeletonScreen> {
       create: (BuildContext context) => SettingsCubit(),
       child: BlocProvider<BottomNavCubit>(
         create: (BuildContext context) => BottomNavCubit(),
-        child: Scaffold(
-          extendBodyBehindAppBar: false,
-          appBar: StandardAppBar(),
-          body: BlocBuilder<BottomNavCubit, int>(
-            builder: (BuildContext context, int state) {
-              return AnimatedSwitcher(
-                  duration: const Duration(milliseconds: 300),
-                  child: pageNavigation.elementAt(state));
-            },
-          ),
-          bottomNavigationBar: const BottomNavBar(),
-          backgroundColor: Theme.of(context).colorScheme.background,
+        child: BlocBuilder<BottomNavCubit, int>(
+          builder: (BuildContext context, int state) {
+            return GestureDetector(
+              onHorizontalDragEnd: (dragDetail) {
+                if (dragDetail.velocity.pixelsPerSecond.dx < 1) {
+                  context.read<BottomNavCubit>().moveNext();
+                } else {
+                  context.read<BottomNavCubit>().movePrevious();
+                }
+              },
+              child: Scaffold(
+                extendBodyBehindAppBar: false,
+                appBar: StandardAppBar(),
+                body: BlocBuilder<BottomNavCubit, int>(
+                  builder: (BuildContext context, int state) {
+                    return AnimatedSwitcher(
+                      duration: const Duration(milliseconds: 300),
+                      child: pageNavigation.elementAt(state),
+                    );
+                  },
+                ),
+                bottomNavigationBar: const BottomNavBar(),
+                backgroundColor: Theme.of(context).colorScheme.background,
+              ),
+            );
+          },
         ),
       ),
     );

lib/ui/widgets/bottom_nav_bar.dart

@@ -21,35 +21,37 @@ class BottomNavBar extends StatelessWidget {
           topRight: Radius.circular(16),
         ),
       ),
-      child: BlocBuilder<BottomNavCubit, int>(builder: (BuildContext context, int state) {
-        return BottomNavigationBar(
-          currentIndex: state,
-          onTap: (int index) => context.read<BottomNavCubit>().updateIndex(index),
-          type: BottomNavigationBarType.fixed,
-          elevation: 0,
-          backgroundColor: Colors.transparent,
-          selectedItemColor: Theme.of(context).colorScheme.primary,
-          unselectedItemColor: Theme.of(context).textTheme.bodySmall!.color,
-          items: <BottomNavigationBarItem>[
-            BottomNavigationBarItem(
-              icon: const Icon(Ionicons.image_outline),
-              label: tr('bottom_nav_sample'),
-            ),
-            BottomNavigationBarItem(
-              icon: const Icon(Ionicons.pencil_outline),
-              label: tr('bottom_nav_chart'),
-            ),
-            BottomNavigationBarItem(
-              icon: const Icon(Ionicons.settings_outline),
-              label: tr('bottom_nav_settings'),
-            ),
-            BottomNavigationBarItem(
-              icon: const Icon(Ionicons.information_circle),
-              label: tr('bottom_nav_about'),
-            ),
-          ],
-        );
-      }),
+      child: BlocBuilder<BottomNavCubit, int>(
+        builder: (BuildContext context, int state) {
+          return BottomNavigationBar(
+            currentIndex: state,
+            onTap: (int index) => context.read<BottomNavCubit>().updateIndex(index),
+            type: BottomNavigationBarType.fixed,
+            elevation: 0,
+            backgroundColor: Colors.transparent,
+            selectedItemColor: Theme.of(context).colorScheme.primary,
+            unselectedItemColor: Theme.of(context).textTheme.bodySmall!.color,
+            items: <BottomNavigationBarItem>[
+              BottomNavigationBarItem(
+                icon: const Icon(Ionicons.image_outline),
+                label: tr('bottom_nav_sample'),
+              ),
+              BottomNavigationBarItem(
+                icon: const Icon(Ionicons.pencil_outline),
+                label: tr('bottom_nav_chart'),
+              ),
+              BottomNavigationBarItem(
+                icon: const Icon(Ionicons.settings_outline),
+                label: tr('bottom_nav_settings'),
+              ),
+              BottomNavigationBarItem(
+                icon: const Icon(Ionicons.information_circle),
+                label: tr('bottom_nav_about'),
+              ),
+            ],
+          );
+        },
+      ),
     );
   }
 }

pubspec.yaml

@@ -3,7 +3,7 @@ description: A random application, for testing purpose only.
 
 publish_to: 'none'
 
-version: 1.0.27+28
+version: 1.0.28+29
 
 environment:
   sdk: '^3.0.0'