exibindo faltas na tela_faltas.dart

lib/componentes/dropdown_periodo.dart

@@ -0,0 +1,39 @@
+import 'package:flutter/material.dart';
+import 'package:rkm_educa_prof_app/componentes/text_custom.dart';
+import 'package:rkm_educa_prof_app/modelos/modelo_periodo.dart';
+class DropdownPeriodo extends StatelessWidget {
+  String titulo;
+  ModeloPeriodo? seleciona;
+  void Function(ModeloPeriodo?)? onChanged;
+  List<DropdownMenuItem<ModeloPeriodo>> itens;
+  double hightLine;
+
+  DropdownPeriodo({
+    required this.titulo,
+    required this.seleciona,
+    required this.itens,
+    required this.onChanged,
+    required this.hightLine,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    return Container(
+      height: hightLine,
+      child: Row(
+        children: [
+          TextCustom(text: titulo,fontWeight: FontWeight.bold),
+          SizedBox(width: 10,),
+          DropdownButtonHideUnderline(
+            child: DropdownButton(
+              hint: TextCustom(text: 'SELECIONE',size: 12.0,),
+              value: seleciona,
+              items: itens,
+              onChanged: onChanged,
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+}