example

bindings/dart/example/lib/features/task/task_add.dart

@@ -0,0 +1,87 @@
+import 'package:flutter/material.dart';
+
+class TaskAdd extends StatefulWidget {
+  const TaskAdd({super.key});
+
+  @override
+  State<TaskAdd> createState() => _TaskAddState();
+}
+
+class _TaskAddState extends State<TaskAdd> {
+  final formKey = GlobalKey<FormState>();
+  final titleController = TextEditingController();
+  final descriptionController = TextEditingController();
+
+  @override
+  Widget build(BuildContext context) {
+    return BottomSheet(
+      onClosing: () {},
+      enableDrag: false,
+      builder: (context) {
+        return SingleChildScrollView(
+          child: Form(
+            key: formKey,
+            autovalidateMode: AutovalidateMode.disabled,
+            child: Padding(
+              padding: const EdgeInsets.all(24).add(EdgeInsets.only(
+                  bottom: MediaQuery.of(context).viewInsets.bottom)),
+              child: Column(
+                crossAxisAlignment: CrossAxisAlignment.stretch,
+                children: [
+                  const Text('Add new task', style: TextStyle(fontSize: 24)),
+                  const SizedBox(height: 16),
+                  const Text('Name'),
+                  TextFormField(
+                    controller: titleController,
+                    textCapitalization: TextCapitalization.sentences,
+                    onTap: () {
+                      titleController.selection = TextSelection(
+                        baseOffset: 0,
+                        extentOffset: titleController.text.length,
+                      );
+                    },
+                    validator: (value) {
+                      if (value?.isEmpty ?? true) {
+                        return 'Must not be empty';
+                      }
+                      return null;
+                    },
+                  ),
+                  const SizedBox(height: 16),
+                  const Text('Description'),
+                  TextFormField(
+                    controller: descriptionController,
+                    textCapitalization: TextCapitalization.sentences,
+                    onTap: () {
+                      titleController.selection = TextSelection(
+                        baseOffset: 0,
+                        extentOffset: titleController.text.length,
+                      );
+                    },
+                    validator: (value) {
+                      if (value?.isEmpty ?? true) {
+                        return 'Must not be empty';
+                      }
+                      return null;
+                    },
+                  ),
+                  const SizedBox(height: 32),
+                  FilledButton(
+                    onPressed: () {
+                      if (!formKey.currentState!.validate()) return;
+                      Navigator.maybePop(context, {
+                        'title': titleController.text,
+                        'description': descriptionController.text,
+                      });
+                    },
+                    child: const Text('Add task'),
+                  ),
+                ],
+              ),
+            ),
+          ),
+        );
+      },
+    );
+  }
+}