1、增加SnackBarUtil；2、修改Toast样式；

example/lib/sample.dart

@@ -53,6 +53,18 @@ class Sample extends StatelessWidget {
             fullWidthButton: true,
             onPressed: () => Get.to(const ScrollViewPage()),
             text: 'scrollView'),
+        GFButton(
+            fullWidthButton: true,
+            onPressed: () {
+              SnackBarUtil.show("11111");
+            },
+            text: 'SnackBar'),
+        GFButton(
+            fullWidthButton: true,
+            onPressed: () {
+              ToastUtil.showToast("11111");
+            },
+            text: 'toast'),
       ],
     );
   }

lib/flutter_clx_base.dart

@@ -23,6 +23,7 @@ export 'utils/image_utils.dart';
 export 'utils/keyboard_utils.dart';
 export 'utils/loading_utils.dart';
 export 'utils/log_utils.dart';
+export 'utils/snack_bar_util.dart';
 export 'utils/toast_util.dart';
 export 'widget/head_widget.dart';
 export 'widget/image_widget.dart';

lib/utils/snack_bar_util.dart

+import 'package:flutter/material.dart';
+import 'package:flutter_clx_base/flutter_clx_base.dart';
+
+class SnackBarUtil {
+  static void show(String? txt) {
+    Get.snackbar("", "",
+        titleText: Text(
+          txt ?? "",
+          style: const TextStyle(
+              fontSize: 17.0,
+              fontWeight: FontWeight.bold,
+              color: Colors.white,
+              height: 2),
+        ),
+        icon: const Icon(Icons.info_outline, color: Colors.white),
+        messageText: const SizedBox(),
+        backgroundColor: const Color(0xB3000000),
+        snackPosition: SnackPosition.BOTTOM);
+  }
+}

lib/utils/toast_util.dart

@@ -15,9 +15,9 @@ class ToastUtil {
             : Toast.LENGTH_SHORT,
         gravity: ToastGravity.BOTTOM,
         // timeInSecForIos: 1,
-        backgroundColor: Colors.grey,
+        backgroundColor: const Color(0xB3000000),
         textColor: Colors.white,
-        fontSize: 16.0);
+        fontSize: 17.0);
   }
 
   static void showLongToast(String? txt) {