backend

lib/widgets/new_item.dart

@@ -1,4 +1,9 @@
+import 'dart:convert';
+
 import 'package:flutter/material.dart';
+
+import 'package:http/http.dart' as http;
+
 import 'package:flutter_shopping_list/data/categories.dart';
 import 'package:flutter_shopping_list/models/category.dart';
 import 'package:flutter_shopping_list/models/grocery_item.dart';
@@ -18,16 +23,31 @@ class _NewItemState extends State<NewItem> {
   var _enteredQuantity = 1;
   var _selectedCategory = categories[Categories.vegetables]!;
 
-  void _saveItem() {
+  void _saveItem() async {
     if (_formKey.currentState!.validate()) {
       _formKey.currentState!.save();
-      Navigator.of(context).pop(
-        GroceryItem(
-            id: DateTime.now().toString(),
-            name: _enteredName,
-            quantity: _enteredQuantity,
-            category: _selectedCategory),
+      final url = Uri.https('flutter-prep-dccfe-default-rtdb.firebaseio.com',
+          'shopping-list.json');
+      final response = await http.post(
+        url,
+        headers: {'Content-Type': 'application/json'},
+        body: json.encode(
+          {
+            'name': _enteredName,
+            'quantity': _enteredQuantity,
+            'category': _selectedCategory.title,
+          },
+        ),
       );
+
+      print(response.body);
+      print(response.statusCode);
+
+      if (!context.mounted) {
+        return;
+      }
+
+      Navigator.of(context).pop();
     }
   }
 

pubspec.lock

@@ -75,6 +75,22 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
+  http:
+    dependency: "direct main"
+    description:
+      name: http
+      sha256: a2bbf9d017fcced29139daa8ed2bba4ece450ab222871df93ca9eec6f80c34ba
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.2.0"
+  http_parser:
+    dependency: transitive
+    description:
+      name: http_parser
+      sha256: "2aa08ce0341cc9b354a498388e30986515406668dbcc4f7c950c3e715496693b"
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.0.2"
   lints:
     dependency: transitive
     description:
@@ -168,6 +184,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "0.7.0"
+  typed_data:
+    dependency: transitive
+    description:
+      name: typed_data
+      sha256: facc8d6582f16042dd49f2463ff1bd6e2c9ef9f3d5da3d9b087e244a7b564b3c
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.3.2"
   vector_math:
     dependency: transitive
     description:

pubspec.yaml

@@ -35,6 +35,7 @@ dependencies:
   # The following adds the Cupertino Icons font to your application.
   # Use with the CupertinoIcons class for iOS style icons.
   cupertino_icons: ^1.0.2
+  http: ^1.2.0
 
 dev_dependencies:
   flutter_test: