Add object for model and core module

core/lib/presentation/views/button/button_builder.dart

@@ -13,6 +13,7 @@ class ButtonBuilder {
   String? _icon;
   String? _text;
   double? _size;
+  double? _padding;
   bool? _isVertical;
   Key? _key;
 
@@ -26,6 +27,11 @@ class ButtonBuilder {
     return this;
   }
 
+  ButtonBuilder padding(double padding) {
+    _padding = padding;
+    return this;
+  }
+
   ButtonBuilder text(String text, {required bool isVertical}) {
     _text = text;
     _isVertical = isVertical;
@@ -66,7 +72,6 @@ class ButtonBuilder {
             mainAxisAlignment: MainAxisAlignment.center,
             children: [
               _buildIcon(),
-              SizedBox(height: 8),
               _buildText(),
             ])
         : Row(
@@ -74,7 +79,6 @@ class ButtonBuilder {
             mainAxisAlignment: MainAxisAlignment.center,
             children: [
               _buildIcon(),
-              SizedBox(width: 8),
               _buildText(),
             ]);
     } else {
@@ -82,7 +86,9 @@ class ButtonBuilder {
     }
   }
 
-  Widget _buildIcon() => SvgPicture.asset(_icon ?? '', width: _size ?? 24, height: _size ?? 24, fit: BoxFit.fill);
+  Widget _buildIcon() => Padding(
+    padding: EdgeInsets.all(_padding ?? 10),
+    child: SvgPicture.asset(_icon ?? '', width: _size ?? 24, height: _size ?? 24, fit: BoxFit.fill));
 
   Widget _buildText() {
     return Text(

core/lib/presentation/views/image/avatar_builder.dart

@@ -0,0 +1,64 @@
+import 'package:core/presentation/extensions/color_extension.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_svg/flutter_svg.dart';
+
+class AvatarBuilder {
+  Key? _key;
+  String? _text;
+  double? _size;
+  String? _iconStatus;
+  Color? _bgColor;
+
+  AvatarBuilder key(Key key) {
+    _key = key;
+    return this;
+  }
+
+  AvatarBuilder size(double size) {
+    _size = size;
+    return this;
+  }
+
+  AvatarBuilder text(String text) {
+    _text = text;
+    return this;
+  }
+
+  AvatarBuilder iconStatus(String iconStatus) {
+    _iconStatus = iconStatus;
+    return this;
+  }
+
+  AvatarBuilder backgroundColor(Color bgColor) {
+    _bgColor = bgColor;
+    return this;
+  }
+
+  Widget build() {
+    return  Container(
+      key: _key,
+      width: _size ?? 40,
+      height: _size ?? 40,
+      alignment: Alignment.center,
+      child: Stack(
+        children: [
+          Container(
+            width: _size ?? 40,
+            height: _size ?? 40,
+            alignment: Alignment.center,
+            decoration: BoxDecoration(
+              borderRadius: BorderRadius.circular((_size ?? 40) / 2),
+              border: Border.all(color: Colors.white),
+              color: _bgColor ?? AppColor.avatarColor),
+            child: Text(
+              '${_text ?? ''}',
+              style: TextStyle(fontSize: 20, color: AppColor.avatarTextColor, fontWeight: FontWeight.w500))),
+          if (_iconStatus != null && _iconStatus!.isNotEmpty)
+            Align(
+              child: SvgPicture.asset(_iconStatus!, width: 12, height: 12, fit: BoxFit.fill),
+              alignment: Alignment.bottomRight)
+        ],
+      )
+    );
+  }
+}

core/lib/presentation/views/list/sliver_grid_delegate_fixed_height.dart

@@ -0,0 +1,64 @@
+import 'package:flutter/rendering.dart';
+
+class SliverGridDelegateFixedHeight
+    extends SliverGridDelegate {
+  /// Creates a delegate that makes grid layouts with a fixed number of tiles in
+  /// the cross axis.
+  ///
+  /// All of the arguments must not be null. The `mainAxisSpacing` and
+  /// `crossAxisSpacing` arguments must not be negative. The `crossAxisCount`
+  /// and `childAspectRatio` arguments must be greater than zero.
+  const SliverGridDelegateFixedHeight({
+    required this.crossAxisCount,
+    this.mainAxisSpacing = 0.0,
+    this.crossAxisSpacing = 0.0,
+    this.height = 56.0,
+  }) : assert(crossAxisCount > 0),
+        assert(mainAxisSpacing >= 0),
+        assert(crossAxisSpacing >= 0),
+        assert(height > 0);
+
+  /// The number of children in the cross axis.
+  final int crossAxisCount;
+
+  /// The number of logical pixels between each child along the main axis.
+  final double mainAxisSpacing;
+
+  /// The number of logical pixels between each child along the cross axis.
+  final double crossAxisSpacing;
+
+  /// The height of the crossAxis.
+  final double height;
+
+  bool _debugAssertIsValid() {
+    assert(crossAxisCount > 0);
+    assert(mainAxisSpacing >= 0.0);
+    assert(crossAxisSpacing >= 0.0);
+    assert(height > 0.0);
+    return true;
+  }
+
+  @override
+  SliverGridLayout getLayout(SliverConstraints constraints) {
+    assert(_debugAssertIsValid());
+    final double usableCrossAxisExtent = constraints.crossAxisExtent - crossAxisSpacing * (crossAxisCount - 1);
+    final double childCrossAxisExtent = usableCrossAxisExtent / crossAxisCount;
+    final double childMainAxisExtent = height;
+    return SliverGridRegularTileLayout(
+      crossAxisCount: crossAxisCount,
+      mainAxisStride: childMainAxisExtent + mainAxisSpacing,
+      crossAxisStride: childCrossAxisExtent + crossAxisSpacing,
+      childMainAxisExtent: childMainAxisExtent,
+      childCrossAxisExtent: childCrossAxisExtent,
+      reverseCrossAxis: axisDirectionIsReversed(constraints.crossAxisDirection),
+    );
+  }
+
+  @override
+  bool shouldRelayout(SliverGridDelegateFixedHeight oldDelegate) {
+    return oldDelegate.crossAxisCount != crossAxisCount ||
+      oldDelegate.mainAxisSpacing != mainAxisSpacing ||
+      oldDelegate.crossAxisSpacing != crossAxisSpacing ||
+      oldDelegate.height != height;
+  }
+}