internal/flutter_image_picker
5
0
Fork 0
mirror of https://github.com/Iconica-Development/flutter_image_picker.git synced 2025-05-18 11:43:44 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

Code improvements and removed calculator

Browse source
This commit is contained in:
commitimpush 2022-08-31 10:19:57 +02:00
parent c4073074c4
commit 87706a49ba
7 changed files with 24 additions and 238 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

7
CHANGELOG.md
View file

@ -6,7 +6,12 @@
* Added more folders
# 0.0.5
## 0.0.5
* Added image picker package which shows a dialog to choose an image from gallery or to make a picture with the camera
* Added example app to test/show off the image picker package functionality
## 0.0.6
* Code improvements
* Removed the calculator test application

149
example/lib/main_calculator.dart
View file

@ -1,149 +0,0 @@
import 'package:flutter/material.dart';
import 'package:flutter_image_picker/calculator.dart';
void main() {
runApp(const MyApp());
}
class MyApp extends StatelessWidget {
const MyApp({Key? key}) : super(key: key);
// This widget is the root of your application.
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'Flutter Demo',
theme: ThemeData(
// This is the theme of your application.
//
// Try running your application with "flutter run". You'll see the
// application has a blue toolbar. Then, without quitting the app, try
// changing the primarySwatch below to Colors.green and then invoke
// "hot reload" (press "r" in the console where you ran "flutter run",
// or simply save your changes to "hot reload" in a Flutter IDE).
// Notice that the counter didn't reset back to zero; the application
// is not restarted.
primarySwatch: Colors.blue,
),
home: const MyHomePage(title: 'Flutter Demo Home Page'),
);
}
}
class MyHomePage extends StatefulWidget {
const MyHomePage({Key? key, required this.title}) : super(key: key);
// This widget is the home page of your application. It is stateful, meaning
// that it has a State object (defined below) that contains fields that affect
// how it looks.
// This class is the configuration for the state. It holds the values (in this
// case the title) provided by the parent (in this case the App widget) and
// used by the build method of the State. Fields in a Widget subclass are
// always marked "final".
final String title;
@override
State<MyHomePage> createState() => _MyHomePageState();
}
class _MyHomePageState extends State<MyHomePage> {
var c = Calculator();
int _counter = 0;
void _incrementCounter() {
setState(() {
// This call to setState tells the Flutter framework that something has
// changed in this State, which causes it to rerun the build method below
// so that the display can reflect the updated values. If we changed
// _counter without calling setState(), then the build method would not be
// called again, and so nothing would appear to happen.
_counter = c.addOne(_counter);
if (_counter % 10 == 0) {
_counter = c.valueTimesTen(_counter);
}
});
}
void _decrementCounter() {
setState(() {
// This call to setState tells the Flutter framework that something has
// changed in this State, which causes it to rerun the build method below
// so that the display can reflect the updated values. If we changed
// _counter without calling setState(), then the build method would not be
// called again, and so nothing would appear to happen.
_counter = c.substractOne(_counter);
if (_counter % 10.0 == 0.0) {
_counter = c.valueDividedByTen(_counter);
}
});
}
@override
Widget build(BuildContext context) {
// This method is rerun every time setState is called, for instance as done
// by the _incrementCounter method above.
//
// The Flutter framework has been optimized to make rerunning build methods
// fast, so that you can just rebuild anything that needs updating rather
// than having to individually change instances of widgets.
return Scaffold(
appBar: AppBar(
// Here we take the value from the MyHomePage object that was created by
// the App.build method, and use it to set our appbar title.
title: Text(widget.title),
),
body: Center(
// Center is a layout widget. It takes a single child and positions it
// in the middle of the parent.
child: Column(
// Column is also a layout widget. It takes a list of children and
// arranges them vertically. By default, it sizes itself to fit its
// children horizontally, and tries to be as tall as its parent.
//
// Invoke "debug painting" (press "p" in the console, choose the
// "Toggle Debug Paint" action from the Flutter Inspector in Android
// Studio, or the "Toggle Debug Paint" command in Visual Studio Code)
// to see the wireframe for each widget.
//
// Column has various properties to control how it sizes itself and
// how it positions its children. Here we use mainAxisAlignment to
// center the children vertically; the main axis here is the vertical
// axis because Columns are vertical (the cross axis would be
// horizontal).
mainAxisAlignment: MainAxisAlignment.center,
children: <Widget>[
const Text(
'You have pushed the button this many times:',
),
Text(
'$_counter',
style: Theme.of(context).textTheme.headline4,
),
],
),
),
floatingActionButton: Stack(children: <Widget>[
Align(
alignment: Alignment.bottomCenter,
child: FloatingActionButton(
heroTag: null,
onPressed: _decrementCounter,
tooltip: 'Decrement',
child: const Icon(Icons.exposure_minus_1),
),
),
Align(
alignment: Alignment.bottomRight,
child: FloatingActionButton(
heroTag: null,
onPressed: _incrementCounter,
tooltip: 'Increment',
child: const Icon(Icons.add),
),
),
]),
);
}
}

30
example/test/widget_test.dart
View file

@ -1,30 +0,0 @@
// This is a basic Flutter widget test.
//
// To perform an interaction with a widget in your test, use the WidgetTester
// utility in the flutter_test package. For example, you can send tap and scroll
// gestures. You can also use WidgetTester to find child widgets in the widget
// tree, read text, and verify that the values of widget properties are correct.
import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:flutter_image_picker_example/main_calculator.dart';
void main() {
testWidgets('Counter increments smoke test', (WidgetTester tester) async {
// Build our app and trigger a frame.
await tester.pumpWidget(const MyApp());
// Verify that our counter starts at 0.
expect(find.text('0'), findsOneWidget);
expect(find.text('1'), findsNothing);
// Tap the '+' icon and trigger a frame.
await tester.tap(find.byIcon(Icons.add));
await tester.pump();
// Verify that our counter has incremented.
expect(find.text('0'), findsNothing);
expect(find.text('1'), findsOneWidget);
});
}

17
lib/calculator.dart
View file

@ -1,17 +0,0 @@
library flutter_image_picker;
/// A Calculator.
class Calculator {
/// Returns [value] plus 1.
int addOne(int value) => value + 1;
int substractOne(int value) => value - 1;
int valueTimesTen(int value) {
return value * 10;
}
int valueDividedByTen(int value) {
return (value / 10).round();
}
}

15
lib/src/screens/image_picker_ui.dart
View file

@ -1,10 +1,11 @@
import 'dart:typed_data';
import 'package:flutter/material.dart';
import 'package:flutter_image_picker/src/services/image_picker_service.dart';
import 'package:image_picker/image_picker.dart';
class ImagePickerUI {
final ImagePicker _imagePicker = ImagePicker();
final ImagePickerService _imagePickerService = ImagePickerService();
Future<Uint8List?> pickImageDialog(BuildContext context) async {
return await showDialog<Uint8List?>(
@ -23,11 +24,13 @@ class ImagePickerUI {
),
actions: <Widget>[
ElevatedButton(
onPressed: () => _pickImage(ImageSource.gallery, context),
onPressed: () =>
_imagePickerService.pickImage(ImageSource.gallery, context),
child: const Text('Pick image from Gallery'),
),
ElevatedButton(
onPressed: () => _pickImage(ImageSource.camera, context),
onPressed: () =>
_imagePickerService.pickImage(ImageSource.camera, context),
child: const Text('Make picture with Camera'),
),
TextButton(
@ -41,10 +44,4 @@ class ImagePickerUI {
},
);
}
void _pickImage(ImageSource source, BuildContext context) async {
var image =
await (await _imagePicker.pickImage(source: source))?.readAsBytes();
Navigator.of(context).pop(image);
}
}

12
lib/src/services/image_picker_service.dart Normal file
View file

@ -0,0 +1,12 @@
import 'package:flutter/material.dart';
import 'package:image_picker/image_picker.dart';
class ImagePickerService {
final ImagePicker _imagePicker = ImagePicker();
void pickImage(ImageSource source, BuildContext context) async {
var image =
await (await _imagePicker.pickImage(source: source))?.readAsBytes();
Navigator.of(context).pop(image);
}
}

32
test/flutter_image_picker_test.dart
View file

@ -1,32 +0,0 @@
import 'package:flutter_test/flutter_test.dart';
import 'package:flutter_image_picker/calculator.dart';
void main() {
test('adds one to input values', () {
final calculator = Calculator();
expect(calculator.addOne(2), 3);
expect(calculator.addOne(-7), -6);
expect(calculator.addOne(0), 1);
});
test('substracts one from input values', () {
final calculator = Calculator();
expect(calculator.substractOne(40), 39);
expect(calculator.substractOne(-10), -11);
expect(calculator.substractOne(0), -1);
});
test('input value times ten', () {
final calculator = Calculator();
expect(calculator.valueTimesTen(9), 90);
expect(calculator.valueTimesTen(0), 0);
});
test('input value divided by ten', () {
final calculator = Calculator();
expect(calculator.valueDividedByTen(100), 10);
expect(calculator.valueDividedByTen(10), 1);
expect(calculator.valueDividedByTen(0), 0);
});
}