criado os widgets dropdown_button_default.dart, subtitle_containers.dart, alert_dialog_default.dart e title_containers.dart.

e ajustada a tela main_procedures_screen.dart

lib/widgets/alert_dialog_default.dart

@@ -0,0 +1,43 @@
+import 'package:flutter/material.dart';
+import 'package:rkm/utils/color_palette.dart';
+import 'package:rkm/utils/const_variable.dart';
+import 'package:rkm/widgets/button_default.dart';
+import 'package:rkm/widgets/item_alert_settings.dart';
+import 'package:rkm/widgets/text_default.dart';
+
+import 'dropdown_button_default.dart';
+import 'input_search_text.dart';
+class AlertDialogDefault {
+
+  @override
+  alert(BuildContext context,controller,Widget list,) {
+
+    double width = MediaQuery.of(context).size.width;
+    double height = MediaQuery.of(context).size.height;
+
+    return showDialog(
+        context: context,
+        builder: (context){
+          return AlertDialog(
+            title: InputSearchText(
+              controller: controller,
+              width: width*0.3,
+              hint: 'Buscar...',
+              color: ColorPalette.titleContainer,
+              border: false,
+            ),
+            content: Container(
+              padding: EdgeInsets.symmetric(vertical: 10),
+              width:  width*0.8,
+              child:  Container(
+                width: width*0.8,
+                height: height*0.8,
+                padding: EdgeInsets.symmetric(horizontal: 10),
+                child: list,
+              ),
+            ),
+          );
+        }
+    );
+  }
+}