opt.

lib/view/widget/center_loading.dart

@@ -1,13 +0,0 @@
-import 'package:flutter/material.dart';
-
-const centerLoading = Center(child: CircularProgressIndicator());
-
-const centerSizedLoading = SizedBox(
-  width: 77,
-  height: 77,
-  child: Center(
-    child: CircularProgressIndicator(),
-  ),
-);
-
-final loadingIcon = IconButton(onPressed: () {}, icon: centerLoading);

lib/view/widget/input_field.dart

@@ -1,38 +1,59 @@
 import 'package:flutter/material.dart';
-import 'package:toolbox/view/widget/round_rect_card.dart';
 
-Widget buildInput({
-  TextEditingController? controller,
-  int maxLines = 1,
-  int? minLines,
-  String? hint,
-  String? label,
-  Function(String)? onSubmitted,
-  bool obscureText = false,
-  IconData? icon,
-  TextInputType? type,
-  FocusNode? node,
-  bool autoCorrect = true,
-}) {
-  return RoundRectCard(
-    Padding(
-      padding: const EdgeInsets.symmetric(horizontal: 17),
-      child: TextField(
-        maxLines: maxLines,
-        minLines: minLines,
-        onSubmitted: onSubmitted,
-        keyboardType: type,
-        focusNode: node,
-        autocorrect: autoCorrect,
-        decoration: InputDecoration(
-          label: label != null ? Text(label) : null,
-          hintText: hint,
-          icon: icon != null ? Icon(icon) : null,
-          border: InputBorder.none,
+import 'round_rect_card.dart';
+
+class Input extends StatelessWidget {
+  final TextEditingController? controller;
+  final int maxLines;
+  final int? minLines;
+  final String? hint;
+  final String? label;
+  final Function(String)? onSubmitted;
+  final bool obscureText;
+  final IconData? icon;
+  final TextInputType? type;
+  final FocusNode? node;
+  final bool autoCorrect;
+  final bool suggestiion;
+
+  const Input({
+    super.key,
+    this.controller,
+    this.maxLines = 1,
+    this.minLines,
+    this.hint,
+    this.label,
+    this.onSubmitted,
+    this.obscureText = false,
+    this.icon,
+    this.type,
+    this.node,
+    this.autoCorrect = false,
+    this.suggestiion = false,
+  });
+  @override
+  Widget build(BuildContext context) {
+    return RoundRectCard(
+      Padding(
+        padding: const EdgeInsets.symmetric(horizontal: 17),
+        child: TextField(
+          maxLines: maxLines,
+          minLines: minLines,
+          onSubmitted: onSubmitted,
+          keyboardType: type,
+          focusNode: node,
+          autocorrect: autoCorrect,
+          enableSuggestions: suggestiion,
+          decoration: InputDecoration(
+            label: label != null ? Text(label!) : null,
+            hintText: hint,
+            icon: icon != null ? Icon(icon) : null,
+            border: InputBorder.none,
+          ),
+          controller: controller,
+          obscureText: obscureText,
         ),
-        controller: controller,
-        obscureText: obscureText,
       ),
-    ),
-  );
+    );
+  }
 }

lib/view/widget/picker.dart

@@ -1,42 +1,52 @@
 import 'package:flutter/material.dart';
 
-Widget buildPicker(
-  List<Widget> items,
-  Function(int idx) onSelected, {
-  double height = 157,
-}) {
-  final pad = (height - 37) / 2;
-  return SizedBox(
-    height: height,
-    child: Stack(
-      children: [
-        Positioned(
-          top: pad,
-          bottom: pad,
-          left: 0,
-          right: 0,
-          child: Container(
-            height: 37,
-            decoration: const BoxDecoration(
-              borderRadius: BorderRadius.all(Radius.circular(7)),
-              color: Colors.black12,
+class Picker extends StatelessWidget {
+  final List<Widget> items;
+  final Function(int idx) onSelected;
+  final double height;
+
+  const Picker({
+    super.key,
+    required this.items,
+    required this.onSelected,
+    this.height = 157,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    final pad = (height - 37) / 2;
+    return SizedBox(
+      height: height,
+      child: Stack(
+        children: [
+          Positioned(
+            top: pad,
+            bottom: pad,
+            left: 0,
+            right: 0,
+            child: Container(
+              height: 37,
+              decoration: const BoxDecoration(
+                borderRadius: BorderRadius.all(Radius.circular(7)),
+                color: Colors.black12,
+              ),
             ),
           ),
-        ),
-        ListWheelScrollView.useDelegate(
-          itemExtent: 37,
-          diameterRatio: 2.7,
-          controller: FixedExtentScrollController(initialItem: 0),
-          onSelectedItemChanged: (idx) => onSelected(idx),
-          physics: const FixedExtentScrollPhysics(),
-          childDelegate: ListWheelChildBuilderDelegate(
-            builder: (context, index) => Center(
-              child: items[index],
+          ListWheelScrollView.useDelegate(
+            itemExtent: 37,
+            diameterRatio: 2.7,
+            controller: FixedExtentScrollController(initialItem: 0),
+            onSelectedItemChanged: (idx) => onSelected(idx),
+            physics: const FixedExtentScrollPhysics(),
+            childDelegate: ListWheelChildBuilderDelegate(
+              builder: (context, index) => Center(
+                child: items[index],
+              ),
+              childCount: items.length,
             ),
-            childCount: items.length,
-          ),
-        )
-      ],
-    ),
-  );
+          )
+        ],
+      ),
+    );
+  }
 }