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Merge pull request #813 from cph-cachet/dev-noise-meter
noise_meter updated to 5.0.0 using audio_streamer 4.0.0
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,18 @@ | ||
| # Additional information about this file can be found at | ||
| # https://dart.dev/guides/language/analysis-options | ||
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| include: package:flutter_lints/flutter.yaml | ||
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| analyzer: | ||
| exclude: [build/**] | ||
| language: | ||
| strict-casts: true | ||
| strict-inference: true | ||
| strict-raw-types: false | ||
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| linter: | ||
| rules: | ||
| cancel_subscriptions: true | ||
| constant_identifier_names: false | ||
| depend_on_referenced_packages: false | ||
| avoid_print: false |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,16 +1,3 @@ | ||
| # example | ||
| # Noise Meter Example | ||
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| A new Flutter project. | ||
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| ## Getting Started | ||
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| This project is a starting point for a Flutter application. | ||
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| A few resources to get you started if this is your first Flutter project: | ||
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| - [Lab: Write your first Flutter app](https://flutter.dev/docs/get-started/codelab) | ||
| - [Cookbook: Useful Flutter samples](https://flutter.dev/docs/cookbook) | ||
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| For help getting started with Flutter, view our | ||
| [online documentation](https://flutter.dev/docs), which offers tutorials, | ||
| samples, guidance on mobile development, and a full API reference. | ||
| An example app for the noise_meter plugin. |
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| Original file line number | Diff line number | Diff line change |
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| @@ -1,101 +1,98 @@ | ||
| import 'dart:async'; | ||
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| import 'package:noise_meter/noise_meter.dart'; | ||
| import 'package:flutter/material.dart'; | ||
| import 'dart:async'; | ||
| import 'package:permission_handler/permission_handler.dart'; | ||
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| void main() { | ||
| runApp(MyApp()); | ||
| } | ||
| void main() => runApp(NoiseMeterApp()); | ||
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| class MyApp extends StatefulWidget { | ||
| class NoiseMeterApp extends StatefulWidget { | ||
| @override | ||
| _MyAppState createState() => _MyAppState(); | ||
| _NoiseMeterAppState createState() => _NoiseMeterAppState(); | ||
| } | ||
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| class _MyAppState extends State<MyApp> { | ||
| class _NoiseMeterAppState extends State<NoiseMeterApp> { | ||
| bool _isRecording = false; | ||
| NoiseReading? _latestReading; | ||
| StreamSubscription<NoiseReading>? _noiseSubscription; | ||
| NoiseMeter? _noiseMeter; | ||
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| @override | ||
| void initState() { | ||
| super.initState(); | ||
| _noiseMeter = NoiseMeter(onError); | ||
| } | ||
| NoiseMeter? noiseMeter; | ||
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| @override | ||
| void dispose() { | ||
| _noiseSubscription?.cancel(); | ||
| super.dispose(); | ||
| } | ||
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| void onData(NoiseReading noiseReading) { | ||
| this.setState(() { | ||
| _latestReading = noiseReading; | ||
| if (!this._isRecording) this._isRecording = true; | ||
| }); | ||
| } | ||
| void onData(NoiseReading noiseReading) => | ||
| setState(() => _latestReading = noiseReading); | ||
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| void onError(Object error) { | ||
| print(error); | ||
| _isRecording = false; | ||
| stop(); | ||
| } | ||
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| void start() { | ||
| try { | ||
| _noiseSubscription = _noiseMeter?.noise.listen(onData); | ||
| } catch (err) { | ||
| print(err); | ||
| } | ||
| /// Check if microphone permission is granted. | ||
| Future<bool> checkPermission() async => await Permission.microphone.isGranted; | ||
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| /// Request the microphone permission. | ||
| Future<void> requestPermission() async => | ||
| await Permission.microphone.request(); | ||
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| /// Start noise sampling. | ||
| Future<void> start() async { | ||
| // Create a noise meter, if not already done. | ||
| noiseMeter ??= NoiseMeter(); | ||
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| // Check permission to use the microphone. | ||
| // | ||
| // Remember to update the AndroidManifest file (Android) and the | ||
| // Info.plist and pod files (iOS). | ||
| if (!(await checkPermission())) await requestPermission(); | ||
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| // Listen to the noise stream. | ||
| _noiseSubscription = noiseMeter?.noise.listen(onData, onError: onError); | ||
| setState(() => _isRecording = true); | ||
| } | ||
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| /// Stop sampling. | ||
| void stop() { | ||
| try { | ||
| _noiseSubscription?.cancel(); | ||
| this.setState(() { | ||
| this._isRecording = false; | ||
| }); | ||
| } catch (err) { | ||
| print(err); | ||
| } | ||
| _noiseSubscription?.cancel(); | ||
| setState(() => _isRecording = false); | ||
| } | ||
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| List<Widget> getContent() => <Widget>[ | ||
| Container( | ||
| margin: EdgeInsets.all(25), | ||
| child: Column(children: [ | ||
| Container( | ||
| child: Text(_isRecording ? "Mic: ON" : "Mic: OFF", | ||
| style: TextStyle(fontSize: 25, color: Colors.blue)), | ||
| margin: EdgeInsets.only(top: 20), | ||
| ), | ||
| Container( | ||
| child: Text( | ||
| 'Noise: ${_latestReading?.meanDecibel} dB', | ||
| ), | ||
| margin: EdgeInsets.only(top: 20), | ||
| ), | ||
| Container( | ||
| child: Text( | ||
| 'Max: ${_latestReading?.maxDecibel} dB', | ||
| ), | ||
| ) | ||
| ])), | ||
| ]; | ||
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| @override | ||
| Widget build(BuildContext context) { | ||
| return MaterialApp( | ||
| home: Scaffold( | ||
| body: Center( | ||
| child: Column( | ||
| mainAxisAlignment: MainAxisAlignment.center, | ||
| children: getContent())), | ||
| floatingActionButton: FloatingActionButton( | ||
| Widget build(BuildContext context) => MaterialApp( | ||
| home: Scaffold( | ||
| body: Center( | ||
| child: Column( | ||
| mainAxisAlignment: MainAxisAlignment.center, | ||
| children: [ | ||
| Container( | ||
| margin: EdgeInsets.all(25), | ||
| child: Column(children: [ | ||
| Container( | ||
| child: Text(_isRecording ? "Mic: ON" : "Mic: OFF", | ||
| style: TextStyle(fontSize: 25, color: Colors.blue)), | ||
| margin: EdgeInsets.only(top: 20), | ||
| ), | ||
| Container( | ||
| child: Text( | ||
| 'Noise: ${_latestReading?.meanDecibel.toStringAsFixed(2)} dB', | ||
| ), | ||
| margin: EdgeInsets.only(top: 20), | ||
| ), | ||
| Container( | ||
| child: Text( | ||
| 'Max: ${_latestReading?.maxDecibel.toStringAsFixed(2)} dB', | ||
| ), | ||
| ) | ||
| ])), | ||
| ])), | ||
| floatingActionButton: FloatingActionButton( | ||
| backgroundColor: _isRecording ? Colors.red : Colors.green, | ||
| child: _isRecording ? Icon(Icons.stop) : Icon(Icons.mic), | ||
| onPressed: _isRecording ? stop : start, | ||
| child: _isRecording ? Icon(Icons.stop) : Icon(Icons.mic)), | ||
| ), | ||
| ); | ||
| } | ||
| ), | ||
| ), | ||
| ); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,63 +1,24 @@ | ||
| name: noise_meter_example | ||
| description: Example app for the NoiseMeter package. | ||
| description: Example app for the noise_meter package. | ||
| publish_to: none | ||
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| version: 1.0.0+1 | ||
| version: 5.0.0 | ||
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| environment: | ||
| sdk: ">=2.12.0 <3.0.0" | ||
| sdk: ">=2.17.0 <4.0.0" | ||
| flutter: ">=3.0.0" | ||
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| dependencies: | ||
| flutter: | ||
| sdk: flutter | ||
| noise_meter: | ||
| path: ../ | ||
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| # The following adds the Cupertino Icons font to your application. | ||
| # Use with the CupertinoIcons class for iOS style icons. | ||
| cupertino_icons: ^1.0.2 | ||
| permission_handler: ^11.0.0 | ||
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| dev_dependencies: | ||
| flutter_test: | ||
| sdk: flutter | ||
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| # For information on the generic Dart part of this file, see the | ||
| # following page: https://dart.dev/tools/pub/pubspec | ||
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| # The following section is specific to Flutter. | ||
| flutter: | ||
| # The following line ensures that the Material Icons font is | ||
| # included with your application, so that you can use the icons in | ||
| # the material Icons class. | ||
| uses-material-design: true | ||
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| # To add assets to your application, add an assets section, like this: | ||
| # assets: | ||
| # - images/a_dot_burr.jpeg | ||
| # - images/a_dot_ham.jpeg | ||
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| # An image asset can refer to one or more resolution-specific "variants", see | ||
| # https://flutter.dev/assets-and-images/#resolution-aware. | ||
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| # For details regarding adding assets from package dependencies, see | ||
| # https://flutter.dev/assets-and-images/#from-packages | ||
|
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| # To add custom fonts to your application, add a fonts section here, | ||
| # in this "flutter" section. Each entry in this list should have a | ||
| # "family" key with the font family name, and a "fonts" key with a | ||
| # list giving the asset and other descriptors for the font. For | ||
| # example: | ||
| # fonts: | ||
| # - family: Schyler | ||
| # fonts: | ||
| # - asset: fonts/Schyler-Regular.ttf | ||
| # - asset: fonts/Schyler-Italic.ttf | ||
| # style: italic | ||
| # - family: Trajan Pro | ||
| # fonts: | ||
| # - asset: fonts/TrajanPro.ttf | ||
| # - asset: fonts/TrajanPro_Bold.ttf | ||
| # weight: 700 | ||
| # | ||
| # For details regarding fonts from package dependencies, | ||
| # see https://flutter.dev/custom-fonts/#from-packages |
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