criado widgets dropdown_with_subtitle.dart, input_with_subtitle.dart, onbackbutton.dart, switch_with_subtitle.dart

criada as telas main_register_citizen_screen.dart e main_procedures_screen.dart

lib/widgets/onbackbutton.dart

@@ -0,0 +1,35 @@
+import 'package:flutter/material.dart';
+import 'package:rkm/widgets/text_default.dart';
+
+import '../utils/color_palette.dart';
+import 'button_default.dart';
+
+class OnBackButton{
+  onBackButton(context)async {
+    bool exiApp = await showDialog(
+              context: context,
+              builder: (context){
+                return AlertDialog(
+                  title: TextDefault(text: 'Aviso',color: ColorPalette.black54,textAlign: TextAlign.center,),
+                  content: TextDefault(text: 'Deseja sair e descartar as alterações?',color: ColorPalette.black54,),
+                  actions: [
+                    ButtonDefault(
+                      onPressed: ()=>Navigator.pushNamedAndRemoveUntil(context, '/home', (route) => false),
+                      title: 'Sim',
+                      background: ColorPalette.appBar,
+                      borderColor: ColorPalette.appBar,
+                      textColor: ColorPalette.white,
+                    ),
+                    ButtonDefault(
+                      onPressed: ()=>Navigator.of(context).pop(false),
+                      title: 'Não',
+                      background: ColorPalette.white,
+                      borderColor: ColorPalette.white,
+                      textColor: ColorPalette.black54,
+                    ),
+                  ],
+                );
+              }
+          );
+  }
+}