save image to devide

Isaias Nascimento · Isaias Nascimento · commit 457891f3d4d8 · 2020-05-25T15:29:15.000-03:00
diff --git a/lib/main.dart b/lib/main.dart
@@ -1,4 +1,8 @@
+import 'package:features_flutter/provider/greate_places.dart';
+import 'package:features_flutter/screen/add_place_screen.dart';
+import 'package:features_flutter/screen/place_list_screen.dart';
 import 'package:flutter/material.dart';
+import 'package:provider/provider.dart';
 
 void main() {
   runApp(MyApp());
@@ -7,13 +11,19 @@ void main() {
 class MyApp extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
-    return MaterialApp(
-      title: 'Features Flutter',
-      theme: ThemeData(
-        primarySwatch: Colors.indigo,
-        accentColor: Colors.amber,
+    return ChangeNotifierProvider.value(
+      value: GreatPlaces(),
+      child: MaterialApp(
+        title: 'Features Flutter',
+        theme: ThemeData(
+          primarySwatch: Colors.indigo,
+          accentColor: Colors.amber,
+        ),
+        home: PlaceListScreen(),
+        routes: {
+          AddPlaceScreen.routeName: (ctx) => AddPlaceScreen(),
+        },
       ),
-      home: Text('teste'),
     );
   }
 }
diff --git a/lib/models/place.dart b/lib/models/place.dart
@@ -0,0 +1,29 @@
+import 'dart:io';
+
+import 'package:flutter/foundation.dart';
+
+class PlaceLocation {
+  final double latitude;
+  final double longitude;
+  final double address;
+
+  PlaceLocation({
+    @required this.latitude,
+    @required this.longitude,
+    this.address,
+  });
+}
+
+class Place {
+  final String id;
+  final String title;
+  final PlaceLocation location;
+  final File image;
+
+  Place({
+    @required this.id,
+    @required this.title,
+    @required this.location,
+    @required this.image,
+  });
+}
diff --git a/lib/provider/greate_places.dart b/lib/provider/greate_places.dart
@@ -0,0 +1,23 @@
+import 'dart:io';
+
+import 'package:features_flutter/models/place.dart';
+import 'package:flutter/foundation.dart';
+
+class GreatPlaces with ChangeNotifier {
+  List<Place> _item = [];
+  List<Place> get items => [..._item];
+
+  void addPlace(
+    String title,
+    File image,
+  ) {
+    final newPlace = Place(
+      id: DateTime.now().toString(),
+      image: image,
+      title: title,
+      location: null,
+    );
+    _item.add(newPlace);
+    notifyListeners();
+  }
+}
diff --git a/lib/screen/add_place_screen.dart b/lib/screen/add_place_screen.dart
@@ -1,8 +1,76 @@
+import 'dart:io';
+
+import 'package:features_flutter/provider/greate_places.dart';
+import 'package:features_flutter/widgets/image_input.dart';
 import 'package:flutter/material.dart';
+import 'package:provider/provider.dart';
+
+class AddPlaceScreen extends StatefulWidget {
+  static const routeName = "/add-place";
+  @override
+  _AddPlaceScreenState createState() => _AddPlaceScreenState();
+}
+
+class _AddPlaceScreenState extends State<AddPlaceScreen> {
+  final _titleControler = TextEditingController();
+  File _pickedImage;
+  void _selectImage(File pickedImage) {
+    _pickedImage = pickedImage;
+  }
+
+  void _savePlace() {
+    if (_titleControler.text.isEmpty || _pickedImage == null) {
+      //show a dialog
+      return;
+    }
+    Provider.of<GreatPlaces>(context, listen: false).addPlace(
+      _titleControler.text,
+      _pickedImage,
+    );
+
+    Navigator.of(context).pop();
+  }
 
-class AddPlaceScreen extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
-    return Container();
+    return Scaffold(
+      appBar: AppBar(
+        title: Text('Add a new place'),
+        actions: <Widget>[],
+      ),
+      body: Column(
+        crossAxisAlignment: CrossAxisAlignment.stretch,
+        children: <Widget>[
+          Expanded(
+            child: SingleChildScrollView(
+              child: Padding(
+                padding: const EdgeInsets.all(12),
+                child: Column(
+                  children: <Widget>[
+                    TextField(
+                      decoration: InputDecoration(labelText: 'Title'),
+                      controller: _titleControler,
+                    ),
+                    SizedBox(
+                      height: 10,
+                    ),
+                    Container(),
+                    ImageInput(_selectImage)
+                  ],
+                ),
+              ),
+            ),
+          ),
+          RaisedButton.icon(
+            icon: Icon(Icons.adb),
+            label: Text('Add place'),
+            onPressed: _savePlace,
+            elevation: 0,
+            materialTapTargetSize: MaterialTapTargetSize.shrinkWrap,
+            color: Colors.amber,
+          )
+        ],
+      ),
+    );
   }
 }
diff --git a/lib/screen/place_list_screen.dart b/lib/screen/place_list_screen.dart
@@ -1,8 +1,40 @@
+import 'package:features_flutter/provider/greate_places.dart';
+import 'package:features_flutter/screen/add_place_screen.dart';
 import 'package:flutter/material.dart';
+import 'package:provider/provider.dart';
 
 class PlaceListScreen extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
-    return Container();
+    return Scaffold(
+      appBar: AppBar(
+        title: Text('Yor places'),
+        actions: <Widget>[
+          IconButton(
+            icon: Icon(Icons.add),
+            onPressed: () {
+              Navigator.of(context).pushNamed(AddPlaceScreen.routeName);
+            },
+          )
+        ],
+      ),
+      body: Consumer<GreatPlaces>(
+        child: Center(
+          child: Text('start adding some!'),
+        ),
+        builder: (ctx, value, ch) => value.items.length <= 0
+            ? ch
+            : ListView.builder(
+                itemCount: value.items.length,
+                itemBuilder: (context, index) => ListTile(
+                  leading: CircleAvatar(
+                    backgroundImage: FileImage(value.items[index].image),
+                  ),
+                  title: Text(value.items[index].title),
+                  onTap: () {},
+                ),
+              ),
+      ),
+    );
   }
 }
diff --git a/lib/widgets/image_input.dart b/lib/widgets/image_input.dart
@@ -0,0 +1,68 @@
+import 'dart:io';
+
+import 'package:flutter/material.dart';
+import 'package:image_picker/image_picker.dart';
+import 'package:path/path.dart' as path;
+import 'package:path_provider/path_provider.dart' as syspasths;
+
+class ImageInput extends StatefulWidget {
+  final Function onSelectImage;
+
+  const ImageInput(this.onSelectImage);
+  @override
+  _ImageInputState createState() => _ImageInputState();
+}
+
+class _ImageInputState extends State<ImageInput> {
+  File _storeImage;
+  Future<void> _takePicture() async {
+    final imageFile = await ImagePicker.pickImage(
+      source: ImageSource.camera,
+      maxWidth: 600,
+    );
+
+    if (imageFile == null) return;
+
+    setState(() {
+      _storeImage = imageFile;
+    });
+    final appDir = await syspasths.getApplicationDocumentsDirectory();
+    final fileName = path.basename(imageFile.path);
+    final saveImage = await imageFile.copy('${appDir.path}/$fileName');
+    widget.onSelectImage(saveImage);
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Row(
+      children: <Widget>[
+        Container(
+          width: 150,
+          height: 100,
+          decoration: BoxDecoration(
+            border: Border.all(width: 1, color: Colors.grey),
+          ),
+          child: _storeImage != null
+              ? Image.file(
+                  _storeImage,
+                  fit: BoxFit.cover,
+                  width: double.infinity,
+                )
+              : Text('No image taken', textAlign: TextAlign.center),
+          alignment: Alignment.center,
+        ),
+        SizedBox(width: 10),
+        Expanded(
+          child: FlatButton.icon(
+            icon: Icon(Icons.camera),
+            label: Text(
+              'Take Picture',
+            ),
+            textColor: Theme.of(context).primaryColor,
+            onPressed: _takePicture,
+          ),
+        ),
+      ],
+    );
+  }
+}
diff --git a/pubspec.lock b/pubspec.lock
@@ -69,6 +69,13 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
+  flutter_plugin_android_lifecycle:
+    dependency: transitive
+    description:
+      name: flutter_plugin_android_lifecycle
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.8"
   flutter_test:
     dependency: "direct dev"
     description: flutter
@@ -81,6 +88,20 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.1.12"
+  image_picker:
+    dependency: "direct main"
+    description:
+      name: image_picker
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.6.6+4"
+  image_picker_platform_interface:
+    dependency: transitive
+    description:
+      name: image_picker_platform_interface
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.0"
   matcher:
     dependency: transitive
     description:
@@ -95,20 +116,69 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.1.8"
-  path:
+  nested:
     dependency: transitive
+    description:
+      name: nested
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.0.4"
+  path:
+    dependency: "direct main"
     description:
       name: path
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.6.4"
+  path_provider:
+    dependency: "direct main"
+    description:
+      name: path_provider
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.6.9"
+  path_provider_macos:
+    dependency: transitive
+    description:
+      name: path_provider_macos
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.0.4+3"
+  path_provider_platform_interface:
+    dependency: transitive
+    description:
+      name: path_provider_platform_interface
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.2"
   petitparser:
     dependency: transitive
     description:
       name: petitparser
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.4.0"
+  platform:
+    dependency: transitive
+    description:
+      name: platform
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.2.1"
+  plugin_platform_interface:
+    dependency: transitive
+    description:
+      name: plugin_platform_interface
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.2"
+  provider:
+    dependency: "direct main"
+    description:
+      name: provider
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "4.1.2"
   quiver:
     dependency: transitive
     description:
@@ -186,3 +256,4 @@ packages:
     version: "3.6.1"
 sdks:
   dart: ">=2.7.0 <3.0.0"
+  flutter: ">=1.16.0 <2.0.0"
diff --git a/pubspec.yaml b/pubspec.yaml
