initial code

lib/utils/extensions/common_utils.dart

@@ -0,0 +1,76 @@
+import 'dart:math' as math;
+
+
+import 'package:flutter/material.dart';
+import 'package:flutter_screenutil/flutter_screenutil.dart';
+import 'package:grocery_app/utils/constants/globle_variable.dart';
+
+
+
+
+/// Hides soft keyboard if already shown
+///
+enum SnackType {
+  success,
+  alert,
+  error
+}
+
+
+void hideKeyBoard() {
+  FocusManager.instance.primaryFocus?.unfocus();
+}
+
+
+/// Show snackbar
+void showSnackBar(
+    { BuildContext ?context,
+    required String message,
+    SnackType snackType  = SnackType.success,
+    bool canDismiss = true,
+    bool sticky = false,
+    SnackBarBehavior behaviour = SnackBarBehavior.floating,
+    }) {
+  //if (!context?.mounted??) return;
+  //Clear snack bars
+  ScaffoldMessenger.of(context??GlobalVariable.globalScaffoldKey.currentContext!).clearSnackBars();
+  // Snack bar
+  final snackBar = SnackBar(
+    behavior: behaviour,
+    padding: EdgeInsets.zero,
+    elevation: 0,
+    content: Container(
+      padding: EdgeInsets.symmetric(horizontal: 10.w, vertical: 8.h),
+      decoration: BoxDecoration(
+        gradient: LinearGradient(
+          colors:snackType==SnackType.success? const [
+            Color(0xFF61B15A),
+            Color(0xFF6ABE8B)
+          ]:snackType==SnackType.alert?
+          const [
+            Color(0xFFFF8906),
+            Color(0xFFFFA745),
+          ]:
+          const [
+            Colors.red,
+            Colors.redAccent,
+          ],
+        ),
+      ),
+      child: Text(
+        message,
+      
+      textAlign: TextAlign.center,
+      ),
+    ),
+    duration: sticky ? const Duration(days: 365) : const Duration(seconds: 3),
+    dismissDirection:
+        canDismiss ? DismissDirection.down : DismissDirection.none,
+  );
+
+// Find the ScaffoldMessenger in the widget tree
+// and use it to show a SnackBar.
+  ScaffoldMessenger.of(context??GlobalVariable.globalScaffoldKey.currentContext!).showSnackBar(snackBar);
+}
+
+