CARP Audio Sampling Package
For Flutter plugins for other CARP products, see CARP Mobile Sensing in Flutter.
If you're interested in writing you own sampling packages for CARP, see the description on how to extend CARP on the wiki.
To use this package, add the following to you
pubspc.yaml file. Note that
this package only works together with
dependencies: flutter: sdk: flutter carp_mobile_sensing: ^0.5.0 carp_audio_package: ^0.5.0 ...
Add the following to your app's
manifest.xml file located in
<manifest xmlns:android="http://schemas.android.com/apk/res/android" package="<your_package_name>" xmlns:tools="http://schemas.android.com/tools"> ... <!-- The following permissions are used for CARP Mobile Sensing --> <uses-permission android:name="android.permission.RECORD_AUDIO"/> <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/> <uses-permission android:name="android.permission.PACKAGE_USAGE_STATS" tools:ignore="ProtectedPermissions"/> </manifest>
Note that version 0.5.0 is migrated to AndroidX. This shouldn't result in any functional changes, but it requires any Android apps using this plugin to also migrate if they're using the original support library. See Flutter AndroidX compatibility
Add this permission in the
Info.plist file located in
<key>NSMicrophoneUsageDescription</key> <string>Uses the microphone to record ambient noise in the phone's environment.</string> <key>UIBackgroundModes</key> <array> <string>audio</string> <string>external-accessory</string> <string>fetch</string> </array>
To use this package, import it into your app together with the
import 'package:carp_mobile_sensing/carp_mobile_sensing.dart'; import 'package:carp_audio_package/context.dart';
Before creating a study and running it, register this package in the SamplingPackageRegistry.
Note: The audio and noise probe / measure cannot run at the same time, since they both make exclusive use of the microphone.