Added statistics settings

lib/widgets/custom_settings_tile.dart

@@ -12,7 +12,7 @@ class CustomSettingsTile extends StatelessWidget {
   final int? selectedItem;
 
   const CustomSettingsTile({
-    Key? key,
+    super.key,
     required this.title,
     this.subtitle,
     this.subtitleWidget,
@@ -22,7 +22,7 @@ class CustomSettingsTile extends StatelessWidget {
     this.padding,
     required this.thisItem,
     required this.selectedItem,
-  }) : super(key: key);
+  });
 
   @override
   Widget build(BuildContext context) {

lib/widgets/load_status_widgets.dart

@@ -0,0 +1,76 @@
+import 'package:flutter/material.dart';
+
+class LoadingData extends StatelessWidget {
+  final String text;
+
+  const LoadingData({
+    super.key,
+    required this.text,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    return Padding(
+      padding: const EdgeInsets.all(24),
+      child: Center(
+        child: Column(
+          mainAxisAlignment: MainAxisAlignment.center,
+          crossAxisAlignment: CrossAxisAlignment.center,
+          children: [
+            const CircularProgressIndicator(),
+            const SizedBox(height: 30),
+            Padding(
+              padding: const EdgeInsets.symmetric(horizontal: 20),
+              child: Text(
+                text,
+                textAlign: TextAlign.center,
+                style: TextStyle(
+                  fontSize: 22,
+                  color: Theme.of(context).colorScheme.onSurfaceVariant
+                ),
+              ),
+            )
+          ],
+        ),
+      ),
+    );
+  }
+}
+
+class ErrorLoadData extends StatelessWidget {
+  final String text;
+
+  const ErrorLoadData({
+    super.key,
+    required this.text
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    return Center(
+      child: Column(
+        mainAxisAlignment: MainAxisAlignment.center,
+        crossAxisAlignment: CrossAxisAlignment.center,
+        children: [
+          const Icon(
+            Icons.error,
+            color: Colors.red,
+            size: 50,
+          ),
+          const SizedBox(height: 30),
+          Padding(
+            padding: const EdgeInsets.symmetric(horizontal: 20),
+            child: Text(
+              text,
+              textAlign: TextAlign.center,
+              style: TextStyle(
+                fontSize: 22,
+                color: Theme.of(context).colorScheme.onSurfaceVariant
+              ),
+            ),
+          )
+        ],
+      ),
+    );
+  }
+}

lib/widgets/master_switch.dart

@@ -0,0 +1,52 @@
+import 'package:flutter/material.dart';
+
+class MasterSwitch extends StatelessWidget {
+  final String label;
+  final bool value;
+  final void Function(bool) onChange;
+  final EdgeInsets? margin;
+
+  const MasterSwitch({
+    super.key,
+    required this.label,
+    required this.value,
+    required this.onChange,
+    this.margin
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    return Padding(
+      padding: margin ?? const EdgeInsets.symmetric(horizontal: 16),
+      child: Material(
+        color: Theme.of(context).colorScheme.primary.withOpacity(0.1),
+        borderRadius: BorderRadius.circular(28),
+        child: InkWell(
+          onTap: () => onChange(!value),
+          borderRadius: BorderRadius.circular(28),
+          child: Padding(
+            padding: const EdgeInsets.symmetric(
+              horizontal: 20,
+              vertical: 8
+            ),
+            child: Row(
+              mainAxisAlignment: MainAxisAlignment.spaceBetween,
+              children: [
+                Text(
+                  label,
+                  style: const TextStyle(
+                    fontSize: 18,
+                  ),
+                ),
+                Switch(
+                  value: value, 
+                  onChanged: onChange,
+                )
+              ],
+            ),
+          ),
+        ),
+      ),
+    );
+  }
+}