Removes deprecation warnings

Author: Ascenio

lib/app_clone/shoes_store/shoes_store_page.dart

@@ -244,31 +244,31 @@ class _ShoesStorePageState extends State<ShoesStorePage> {
         type: BottomNavigationBarType.fixed,
         items: [
           BottomNavigationBarItem(
-            title: Text(''),
+            label: '',
             icon: Icon(
               Icons.home,
             ),
           ),
           BottomNavigationBarItem(
-            title: Text(''),
+            label: '',
             icon: Icon(
               Icons.favorite_border,
             ),
           ),
           BottomNavigationBarItem(
-            title: Text(''),
+            label: '',
             icon: Icon(
               Icons.location_city,
             ),
           ),
           BottomNavigationBarItem(
-            title: Text(''),
+            label: '',
             icon: Icon(
               Icons.shopping_cart,
             ),
           ),
           BottomNavigationBarItem(
-            title: Text(''),
+            label: '',
             icon: Icon(
               Icons.person_outline,
             ),

lib/app_clone/sports_store/sports_store_page.dart

@@ -159,25 +159,25 @@ class _SportsStorePageState extends State<SportsStorePage> {
         type: BottomNavigationBarType.fixed,
         items: [
           BottomNavigationBarItem(
-            title: Text(''),
+            label: '',
             icon: Icon(
               Icons.home,
             ),
           ),
           BottomNavigationBarItem(
-            title: Text(''),
+            label: '',
             icon: Icon(
               Icons.shopping_basket,
             ),
           ),
           BottomNavigationBarItem(
-            title: Text(''),
+            label: '',
             icon: Icon(
               Icons.shopping_cart,
             ),
           ),
           BottomNavigationBarItem(
-            title: Text(''),
+            label: '',
             icon: Icon(
               Icons.wb_sunny,
             ),

lib/appbar_sliverappbar/sample3.dart

@@ -39,23 +39,23 @@ class Sample3 extends StatelessWidget {
           items: [
             BottomNavigationBarItem(
               icon: Icon(Icons.library_music),
-              title: Text('Library'),
+              label: 'Library',
             ),
             BottomNavigationBarItem(
               icon: Icon(Icons.favorite),
-              title: Text('Favorites'),
+              label: 'Favorites',
             ),
             BottomNavigationBarItem(
               icon: Icon(Icons.music_note),
-              title: Text('Songs'),
+              label: 'Songs',
             ),
             BottomNavigationBarItem(
               icon: Icon(Icons.settings_input_antenna),
-              title: Text('Radio'),
+              label: 'Radio',
             ),
             BottomNavigationBarItem(
               icon: Icon(Icons.search),
-              title: Text('Search'),
+              label: 'Search',
             ),
           ],
         ),