Fix of pedometer probe (step count) on iOS (#390)

carp_mobile_sensing/README.md

@@ -91,7 +91,7 @@ The pedometer (step count) probe uses `NSMotion` on iOS and the `NSMotionUsageDe
 
 ```xml
 <key>NSMotionUsageDescription</key>
-<string>Collecting step count.</string>
+<string>This application tracks your steps</string>
 ```
 
 -------------------------------------

carp_mobile_sensing/example/ios/Runner/Info.plist

@@ -39,14 +39,11 @@
 	<key>UISupportedInterfaceOrientations~ipad</key>
 	<array>
 		<string>UIInterfaceOrientationPortrait</string>
-		<string>UIInterfaceOrientationPortraitUpsideDown</string>
-		<string>UIInterfaceOrientationLandscapeLeft</string>
-		<string>UIInterfaceOrientationLandscapeRight</string>
 	</array>
 	<key>UIViewControllerBasedStatusBarAppearance</key>
 	<false/>
 	<key>NSMotionUsageDescription</key>
-	<string>Collecting step count.</string>
+	<string>This application tracks your steps</string>
 	<key>CADisableMinimumFrameDurationOnPhone</key>
 	<true/>
 	<key>UIApplicationSupportsIndirectInputEvents</key>

carp_mobile_sensing/example/lib/main.dart

@@ -161,13 +161,13 @@ class LocalStudyProtocolManager implements StudyProtocolManager {
     var phone = Smartphone();
     protocol.addPrimaryDevice(phone);
 
-    // Issue #384
-    protocol.addTaskControl(
-        PeriodicTrigger(period: const Duration(seconds: 5)),
-        BackgroundTask(
-          measures: [Measure(type: DeviceSamplingPackage.DEVICE_INFORMATION)],
-        ),
-        phone);
+    // // Issue #384
+    // protocol.addTaskControl(
+    //     PeriodicTrigger(period: const Duration(seconds: 5)),
+    //     BackgroundTask(
+    //       measures: [Measure(type: DeviceSamplingPackage.DEVICE_INFORMATION)],
+    //     ),
+    //     phone);
 
     // Collect timezone info every time the app restarts.
     protocol.addTaskControl(

carp_mobile_sensing/lib/runtime/client_manager.dart

@@ -228,10 +228,10 @@ class SmartPhoneClientManager extends SmartphoneClient
   /// [configure].
   Future<void> askForAllPermissions() async {
     if (SamplingPackageRegistry().permissions.isNotEmpty) {
-      info('Asking for permission for all measure types.');
+      info('Asking for permission for all measure types - status:');
       _permissions = await SamplingPackageRegistry().permissions.request();
       permissions.forEach((permission, status) =>
-          info('Permissions for $permission : $status'));
+          info(' - ${permission.toString().split('.').last} : ${status.name}'));
     }
   }
 

carp_mobile_sensing/lib/sampling_packages/sensors/pedometer_probe.dart

@@ -12,13 +12,16 @@ part of 'sensors.dart';
 /// It samples step counts directly from the native OS and reports step counts
 /// as they are sensed, typically for each step taken.
 ///
-/// Note that the [Pedometer] plugin returns the total steps taken since last
+/// Note that the 'pedometer' plugin returns the total steps taken since last
 /// system boot.
 class PedometerProbe extends StreamProbe {
   @override
   Future<bool> onStart() async {
     // Ask for permission before starting probe.
-    var status = await Permission.activityRecognition.request();
+    // Only relevant for Android - on iOS permission is automatically requested.
+    var status = Platform.isAndroid
+        ? await Permission.activityRecognition.request()
+        : PermissionStatus.granted;
 
     return (status == PermissionStatus.granted)
         ? super.onStart()

carp_mobile_sensing/pubspec.yaml

@@ -1,6 +1,6 @@
 name: carp_mobile_sensing
 description: Mobile Sensing Framework for Flutter. A software framework for collecting sensor data from the phone and attached wearable devices via probes. Can be extended.
-version: 1.7.0
+version: 1.7.1
 homepage: https://github.com/cph-cachet/carp.sensing-flutter
 
 environment: