🥅 Catch exceptions when obtain/subscribe to the accelerometer stream (#…

…230)
fluttercandies · Dec 9, 2023 · 414b7dc · 414b7dc
1 parent 012c156
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -6,6 +6,13 @@ that can be found in the LICENSE file. -->
 
 See the [Migration Guide](guides/migration_guide.md) for breaking changes between versions.
 
+## 4.2.0-dev.3
+
+### Improvements
+
+- Roll `sensors_plus`.
+- Catch exceptions when obtain/subscribe to the accelerometer stream.
+
 ## 4.2.0-dev.2
 
 ### Breaking changes

diff --git a/lib/src/states/camera_picker_state.dart b/lib/src/states/camera_picker_state.dart
@@ -216,7 +216,7 @@ class CameraPickerState extends State<CameraPicker>
   bool retriedAfterInvalidInitialize = false;
 
   /// Subscribe to the accelerometer.
-  late final StreamSubscription<AccelerometerEvent> accelerometerSubscription;
+  StreamSubscription<AccelerometerEvent>? accelerometerSubscription;
 
   /// The locked capture orientation of the current camera instance.
   DeviceOrientation? lockedCaptureOrientation;
@@ -228,9 +228,7 @@ class CameraPickerState extends State<CameraPicker>
     Constants.textDelegate = widget.pickerConfig.textDelegate ??
         cameraPickerTextDelegateFromLocale(widget.locale);
     initCameras();
-    accelerometerSubscription = accelerometerEvents.listen(
-      handleAccelerometerEvent,
-    );
+    initAccelerometerSubscription();
   }
 
   @override
@@ -249,7 +247,7 @@ class CameraPickerState extends State<CameraPicker>
     exposureFadeOutTimer?.cancel();
     recordDetectTimer?.cancel();
     recordCountdownTimer?.cancel();
-    accelerometerSubscription.cancel();
+    accelerometerSubscription?.cancel();
     super.dispose();
   }
 
@@ -491,6 +489,20 @@ class CameraPickerState extends State<CameraPicker>
     });
   }
 
+  /// Starts to listen on accelerometer events.
+  void initAccelerometerSubscription() {
+    try {
+      final stream = accelerometerEventStream();
+      accelerometerSubscription = stream.listen(handleAccelerometerEvent);
+    } catch (e, s) {
+      realDebugPrint(
+        'The device does not seem to support accelerometer. '
+        'The captured files orientation might be incorrect.',
+      );
+      handleErrorWithHandler(e, s, pickerConfig.onError);
+    }
+  }
+
   /// Lock capture orientation according to the current status of the device,
   /// which enables the captured file stored the correct orientation.
   void handleAccelerometerEvent(AccelerometerEvent event) {

diff --git a/pubspec.yaml b/pubspec.yaml
@@ -1,5 +1,5 @@
 name: wechat_camera_picker
-version: 4.2.0-dev.2
+version: 4.2.0-dev.3
 description: |
   A camera picker for Flutter projects based on WeChat's UI,
   which is also a separate runnable extension to the
@@ -27,7 +27,7 @@ dependencies:
   path: ^1.8.0
   photo_manager: ^3.0.0-dev.1
   photo_manager_image_provider: ^2.0.0
-  sensors_plus: ^3.1.0
+  sensors_plus: ^4.0.1
   video_player: ^2.7.0
 
 dev_dependencies: