Update plugin com.android.application to v9

replace container with sizedbox
add check for context being mounted.

android/settings.gradle.kts

@@ -18,7 +18,7 @@ pluginManagement {
 
 plugins {
     id("dev.flutter.flutter-plugin-loader") version "1.0.0"
-    id("com.android.application") version "8.7.0" apply false
+    id("com.android.application") version "9.0.0" apply false
     id("org.jetbrains.kotlin.android") version "1.8.22" apply false
 }
 

lib/widgets/custom_dialog_box.dart

@@ -94,8 +94,9 @@ class CustomDialogBoxState extends State<CustomDialogBox> {
         );
       });
     }
-
-    FocusScope.of(context).unfocus(); // Close keyboard
+    if (mounted) {
+      FocusScope.of(context).unfocus(); // Close keyboard
+    }
   }
 
   void _nextPage() {
@@ -175,7 +176,7 @@ class CustomDialogBoxState extends State<CustomDialogBox> {
                 ),
               ),
               if (_predictions.isNotEmpty)
-                Container(
+                SizedBox(
                   height: 150,
                   child: ListView.builder(
                     itemCount: _predictions.length,
@@ -206,9 +207,9 @@ class CustomDialogBoxState extends State<CustomDialogBox> {
               const SizedBox(height: 10),
               DropdownButtonFormField<String>(
                 value: _selectedRadius,
-                decoration: const InputDecoration(labelText: 'Search Radius'),
+                decoration: const InputDecoration(labelText: 'Search2 Radius'),
                 items:
-                    ['1 mile', '2 miles', '5 miles']
+                    ['1/8 mile', '1/4 mile', '3/4 mile', '1 mile']
                         .map((e) => DropdownMenuItem(value: e, child: Text(e)))
                         .toList(),
                 onChanged: (val) => setState(() => _selectedRadius = val),