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TiagoDaninTiagoDanin
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feat: show photo with date of ml kit
1 parent 6eaf293 commit f6e09b0

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+241
-156
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5 files changed

+241
-156
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‎android/app/build.gradle‎

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Original file line numberDiff line numberDiff line change
@@ -28,9 +28,8 @@ android {
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compileSdkVersion 30
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defaultConfig {
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// TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
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applicationId "com.tiagodanin.example.flutter_face_detection"
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minSdkVersion 16
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minSdkVersion 24
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targetSdkVersion 30
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versionCode flutterVersionCode.toInteger()
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versionName flutterVersionName

‎lib/main.dart‎

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Original file line numberDiff line numberDiff line change
@@ -1,113 +1,19 @@
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import 'package:flutter/material.dart';
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import 'package:flutter_face_detection/screens/HomeView.dart';
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void main() {
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runApp(MyApp());
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}
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class MyApp extends StatelessWidget {
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// This widget is the root of your application.
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@override
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Widget build(BuildContext context) {
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return MaterialApp(
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title: 'Flutter Demo',
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theme: ThemeData(
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// This is the theme of your application.
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//
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// Try running your application with "flutter run". You'll see the
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// application has a blue toolbar. Then, without quitting the app, try
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// changing the primarySwatch below to Colors.green and then invoke
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// "hot reload" (press "r" in the console where you ran "flutter run",
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// or simply save your changes to "hot reload" in a Flutter IDE).
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// Notice that the counter didn't reset back to zero; the application
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// is not restarted.
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primarySwatch: Colors.blue,
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),
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home: MyHomePage(title: 'Flutter Demo Home Page'),
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);
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}
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}
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class MyHomePage extends StatefulWidget {
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MyHomePage({Key key, this.title}) : super(key: key);
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// This widget is the home page of your application. It is stateful, meaning
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// that it has a State object (defined below) that contains fields that affect
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// how it looks.
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// This class is the configuration for the state. It holds the values (in this
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// case the title) provided by the parent (in this case the App widget) and
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// used by the build method of the State. Fields in a Widget subclass are
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// always marked "final".
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final String title;
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@override
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_MyHomePageState createState() => _MyHomePageState();
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}
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class _MyHomePageState extends State<MyHomePage> {
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int _counter = 0;
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void _incrementCounter() {
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setState(() {
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// This call to setState tells the Flutter framework that something has
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// changed in this State, which causes it to rerun the build method below
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// so that the display can reflect the updated values. If we changed
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// _counter without calling setState(), then the build method would not be
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// called again, and so nothing would appear to happen.
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_counter++;
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});
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}
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@override
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Widget build(BuildContext context) {
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// This method is rerun every time setState is called, for instance as done
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// by the _incrementCounter method above.
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//
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// The Flutter framework has been optimized to make rerunning build methods
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// fast, so that you can just rebuild anything that needs updating rather
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// than having to individually change instances of widgets.
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return Scaffold(
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appBar: AppBar(
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// Here we take the value from the MyHomePage object that was created by
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// the App.build method, and use it to set our appbar title.
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title: Text(widget.title),
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),
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body: Center(
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// Center is a layout widget. It takes a single child and positions it
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// in the middle of the parent.
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child: Column(
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// Column is also a layout widget. It takes a list of children and
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// arranges them vertically. By default, it sizes itself to fit its
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// children horizontally, and tries to be as tall as its parent.
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//
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// Invoke "debug painting" (press "p" in the console, choose the
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// "Toggle Debug Paint" action from the Flutter Inspector in Android
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// Studio, or the "Toggle Debug Paint" command in Visual Studio Code)
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// to see the wireframe for each widget.
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//
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// Column has various properties to control how it sizes itself and
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// how it positions its children. Here we use mainAxisAlignment to
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// center the children vertically; the main axis here is the vertical
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// axis because Columns are vertical (the cross axis would be
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// horizontal).
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mainAxisAlignment: MainAxisAlignment.center,
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children: <Widget>[
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Text(
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'You have pushed the button this many times:',
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),
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Text(
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'$_counter',
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style: Theme.of(context).textTheme.headline4,
102-
),
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],
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),
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),
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floatingActionButton: FloatingActionButton(
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onPressed: _incrementCounter,
108-
tooltip: 'Increment',
109-
child: Icon(Icons.add),
110-
), // This trailing comma makes auto-formatting nicer for build methods.
16+
home: HomePage(),
11117
);
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}
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}

‎lib/screens/HomeView.dart‎

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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,151 @@
1+
import 'dart:ui';
2+
import 'dart:ui' as ui show Image;
3+
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import 'package:flutter/material.dart';
5+
import 'package:google_ml_kit/google_ml_kit.dart';
6+
import 'package:image_picker/image_picker.dart';
7+
import 'package:material_design_icons_flutter/material_design_icons_flutter.dart';
8+
9+
class HomePage extends StatefulWidget {
10+
HomePage({Key key}) : super(key: key);
11+
12+
@override
13+
HomePageWithState createState() => HomePageWithState();
14+
}
15+
16+
class HomePageWithState extends State<HomePage> {
17+
ui.Image imageSelected = null;
18+
List<Face> faces = [];
19+
20+
void getImage() async {
21+
final PickedFile pickedFile = await ImagePicker().getImage(source: ImageSource.gallery);
22+
if (pickedFile != null) {
23+
var imageFile = await pickedFile.readAsBytes();
24+
ui.Image imageFile2 = await decodeImageFromList(imageFile);
25+
26+
final InputImage inputImage = InputImage.fromFilePath(pickedFile.path);
27+
final FaceDetector faceDetector = GoogleMlKit.vision.faceDetector(FaceDetectorOptions(
28+
enableClassification: true,
29+
enableTracking: true,
30+
));
31+
32+
final List<Face> outputFaces = await faceDetector.processImage(inputImage);
33+
34+
setState(() {
35+
imageSelected = imageFile2;
36+
faces = outputFaces;
37+
});
38+
}
39+
}
40+
41+
@override
42+
Widget build(BuildContext context) {
43+
return Scaffold(
44+
appBar: AppBar(
45+
title: Text("ML Kit Face Detection"),
46+
),
47+
body: Center(
48+
child: InteractiveViewer(
49+
panEnabled: true,
50+
boundaryMargin: EdgeInsets.all(1000),
51+
minScale: 0.1,
52+
maxScale: 3,
53+
child: Column(
54+
children: [
55+
if (imageSelected != null)
56+
Container(
57+
height: imageSelected.height.toDouble(),
58+
width: imageSelected.width.toDouble(),
59+
child: CustomPaint(
60+
painter: FaceDraw(faces: faces, image: imageSelected),
61+
),
62+
)
63+
],
64+
),
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),
66+
),
67+
floatingActionButton: FloatingActionButton(
68+
onPressed: getImage,
69+
tooltip: 'Select',
70+
child: Icon(MdiIcons.image),
71+
),
72+
);
73+
}
74+
}
75+
76+
class FaceDraw extends CustomPainter {
77+
List<Face> faces;
78+
ui.Image image;
79+
80+
FaceDraw({@required this.faces, @required this.image});
81+
82+
@override
83+
void paint(Canvas canvas, Size size) {
84+
canvas.drawImage(image, Offset.zero, Paint());
85+
86+
for (Face face in faces) {
87+
canvas.drawRect(
88+
face.boundingBox,
89+
Paint()
90+
..style = PaintingStyle.stroke
91+
..color = Colors.blueAccent
92+
..strokeWidth = 4,
93+
);
94+
95+
canvas.drawLine(
96+
Offset(face.boundingBox.left + 5, face.boundingBox.top - 12),
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Offset(face.boundingBox.right - 5, face.boundingBox.top - 12),
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Paint()
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..color = Colors.white.withOpacity(0.8)
100+
..strokeWidth = 18
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..style = PaintingStyle.fill);
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TextPainter paintSpanId = new TextPainter(
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text: TextSpan(
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style: new TextStyle(
106+
color: Colors.black,
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fontSize: 15,
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fontWeight: FontWeight.w400,
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fontFamily: 'Roboto',
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),
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text: "ID::${face.trackingId}",
112+
),
113+
textAlign: TextAlign.center,
114+
textDirection: TextDirection.ltr,
115+
);
116+
117+
paintSpanId.layout();
118+
paintSpanId.paint(canvas, new Offset(face.boundingBox.left + 10, face.boundingBox.top - 20));
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120+
canvas.drawLine(
121+
Offset(face.boundingBox.left, face.boundingBox.bottom + 14),
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Offset(face.boundingBox.right, face.boundingBox.bottom + 14),
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Paint()
124+
..color = Colors.black.withOpacity(0.7)
125+
..strokeWidth = 20
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..style = PaintingStyle.fill);
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TextPainter paintSmilingStatus = new TextPainter(
129+
text: TextSpan(
130+
style: TextStyle(
131+
color: Colors.white,
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fontSize: 15,
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fontWeight: FontWeight.w700,
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fontFamily: 'Roboto',
135+
),
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text: "Smiling::${face.smilingProbability >= 0.5 ? "Yes" : "No"}",
137+
),
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textAlign: TextAlign.center,
139+
textDirection: TextDirection.ltr,
140+
);
141+
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paintSmilingStatus.layout();
143+
paintSmilingStatus.paint(canvas, new Offset(face.boundingBox.left + 3, face.boundingBox.bottom + 5));
144+
}
145+
}
146+
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@override
148+
bool shouldRepaint(CustomPainter oldDelegate) {
149+
return false;
150+
}
151+
}

‎pubspec.lock‎

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Original file line numberDiff line numberDiff line change
@@ -62,18 +62,86 @@ packages:
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description: flutter
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source: sdk
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version: "0.0.0"
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flutter_plugin_android_lifecycle:
66+
dependency: transitive
67+
description:
68+
name: flutter_plugin_android_lifecycle
69+
url: "https://pub.dartlang.org"
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source: hosted
71+
version: "2.0.2"
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flutter_test:
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dependency: "direct dev"
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description: flutter
6875
source: sdk
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version: "0.0.0"
77+
flutter_web_plugins:
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dependency: transitive
79+
description: flutter
80+
source: sdk
81+
version: "0.0.0"
82+
google_ml_kit:
83+
dependency: "direct main"
84+
description:
85+
name: google_ml_kit
86+
url: "https://pub.dartlang.org"
87+
source: hosted
88+
version: "0.6.0"
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http:
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dependency: transitive
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description:
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name: http
93+
url: "https://pub.dartlang.org"
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source: hosted
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version: "0.13.3"
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http_parser:
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dependency: transitive
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description:
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name: http_parser
100+
url: "https://pub.dartlang.org"
101+
source: hosted
102+
version: "4.0.0"
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image_picker:
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dependency: "direct main"
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description:
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name: image_picker
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url: "https://pub.dartlang.org"
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source: hosted
109+
version: "0.8.0+1"
110+
image_picker_for_web:
111+
dependency: transitive
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description:
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name: image_picker_for_web
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url: "https://pub.dartlang.org"
115+
source: hosted
116+
version: "2.0.0"
117+
image_picker_platform_interface:
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dependency: transitive
119+
description:
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name: image_picker_platform_interface
121+
url: "https://pub.dartlang.org"
122+
source: hosted
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version: "2.1.0"
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js:
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dependency: transitive
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description:
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name: js
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url: "https://pub.dartlang.org"
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source: hosted
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version: "0.6.3"
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matcher:
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dependency: transitive
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description:
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name: matcher
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url: "https://pub.dartlang.org"
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source: hosted
76137
version: "0.12.10"
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material_design_icons_flutter:
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dependency: "direct main"
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description:
141+
name: material_design_icons_flutter
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url: "https://pub.dartlang.org"
143+
source: hosted
144+
version: "4.0.5955"
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meta:
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dependency: transitive
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description:
@@ -88,6 +156,20 @@ packages:
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url: "https://pub.dartlang.org"
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source: hosted
90158
version: "1.8.0"
159+
pedantic:
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dependency: transitive
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description:
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name: pedantic
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url: "https://pub.dartlang.org"
164+
source: hosted
165+
version: "1.11.0"
166+
plugin_platform_interface:
167+
dependency: transitive
168+
description:
169+
name: plugin_platform_interface
170+
url: "https://pub.dartlang.org"
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source: hosted
172+
version: "2.0.0"
91173
sky_engine:
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dependency: transitive
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description: flutter
@@ -151,3 +233,4 @@ packages:
151233
version: "2.1.0"
152234
sdks:
153235
dart: ">=2.12.0 <3.0.0"
236+
flutter: ">=2.0.0"

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