[FEAT] Added snackbar herlper and dialog helper.

lib/src/dialog/dialog_helper.astromic.dart

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+import 'package:flutter/material.dart';
+import './src/models/models.exports.dart';
+
+class AstromicDialogHelper {
+  /// Show a dialog.
+  static Future<T?> show<T>(
+    BuildContext context, {
+    required Widget contentSection,
+    Widget? stackedCloseWidget,
+    AstromicDialogConfiguration configuration = const AstromicDialogConfiguration(),
+    AstromicDialogStyle style = const AstromicDialogStyle(),
+    void Function(T?)? onClose,
+  }) async {
+    //
+    return await showDialog<T>(
+        context: context,
+        useSafeArea: configuration.safeAreaAware,
+        builder: (BuildContext _) {
+          return Container(
+            margin: style.placement,
+            //
+            child: Column(
+              mainAxisSize: MainAxisSize.min,
+              children: <Widget>[
+                Row(
+                  mainAxisSize: MainAxisSize.min,
+                  children: <Widget>[
+                    Stack(
+                      children: [
+                        Container(
+                          width: (style.width ?? 0) - ((style.placement?.start ?? 0) + (style.placement?.start ?? 0)),
+                          //
+                          padding: style.contentPadding,
+                          decoration: BoxDecoration(
+                            color: style.backgroundColor,
+                            borderRadius: style.radius,
+                          ),
+                          child: contentSection,
+                        ),
+                        if (stackedCloseWidget != null)
+                          Positioned.directional(
+                            textDirection: style.textDirection,
+                            start: style.closeWidgetPlacement?.start,
+                            end: style.closeWidgetPlacement?.end,
+                            top: style.closeWidgetPlacement?.top,
+                            //
+                            child: stackedCloseWidget,
+                          ),
+                      ],
+                    ),
+                  ],
+                ),
+              ],
+            ),
+          );
+        });
+    //
+  }
+}

lib/src/dialog/src/models/configuration.model.dart

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+class AstromicDialogConfiguration {
+  //
+  final bool isCentered;
+  final bool safeAreaAware;
+  const AstromicDialogConfiguration({
+    this.isCentered = true,
+    this.safeAreaAware = true,
+  });
+  //
+
+  AstromicDialogConfiguration copyWith({
+    bool? isCentered,
+    bool? safeAreaAware,
+  }) {
+    return AstromicDialogConfiguration(
+      isCentered: isCentered ?? this.isCentered,
+      safeAreaAware: safeAreaAware ?? this.safeAreaAware,
+    );
+  }
+}

lib/src/dialog/src/models/models.exports.dart

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+export './style.model.dart';
+export './configuration.model.dart';

lib/src/dialog/src/models/style.model.dart

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+import 'package:flutter/material.dart';
+
+class AstromicDialogStyle {
+  //
+  final Color? backgroundColor;
+  final BorderRadius? radius;
+  final EdgeInsets? contentPadding;
+  final double? width;
+  final double? height;
+  final TextDirection textDirection;
+  final EdgeInsetsDirectional? placement;
+  final EdgeInsetsDirectional? closeWidgetPlacement;
+
+  const AstromicDialogStyle({
+    this.backgroundColor = Colors.white,
+    this.radius,
+    this.contentPadding = const EdgeInsets.all(12.0),
+    this.width = 300,
+    this.height,
+    this.textDirection = TextDirection.ltr,
+    this.placement,
+    this.closeWidgetPlacement,
+  });
+  //
+}

lib/src/dialog/src/src.exports.dart

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+export './models/models.exports.dart';

lib/src/snackbar/snackbar_helper.astromic.dart

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+import 'package:flutter_snackbar_plus/flutter_snackbar_plus.dart';
+import 'package:flutter/widgets.dart';
+
+class AstromicSnackbarHelper {
+  static setDefault({
+    // Style
+    FlutterSnackBarStyle? style,
+    // Configuration
+    FlutterSnackBarConfiguration? configuration,
+  }) =>
+      FlutterSnackBar().initialize(configuration: configuration, style: style);
+
+  static showTemplated(
+    BuildContext context, {
+    // Leading
+    Widget? leading,
+    // Main Content
+    required String title,
+    String? message,
+    Widget? content,
+    // Trailing
+    Widget? trailing,
+    // Style
+    FlutterSnackBarStyle? style,
+    // Configuration
+    FlutterSnackBarConfiguration? configuration,
+  }) =>
+      WidgetsBinding.instance.addPostFrameCallback((_) {
+        FlutterSnackBar.showTemplated(context, title: title, leading: leading, message: message, content: content, trailing: trailing, style: style, configuration: configuration);
+      });
+
+  static showCustom(
+    BuildContext context, {
+    required Widget child,
+    // Style
+    FlutterSnackBarStyle? style = const FlutterSnackBarStyle(),
+    // Configuration
+    FlutterSnackBarConfiguration? configuration = const FlutterSnackBarConfiguration(),
+  }) =>
+      FlutterSnackBar.showCustom(context, child: child, configuration: configuration, style: style);
+}