🚸 Prevent unnecessary zoom updates (#107)

Author: AlexV525

CHANGELOG.md

@@ -4,6 +4,12 @@ that can be found in the LICENSE file. -->
 
 # Changelog
 
+## 3.3.1
+
+### Improvements
+
+- Prevent unnecessary zoom updates. (#107)
+
 ## 3.3.0
 
 ### Breaking Changes

example/pubspec.yaml

@@ -1,6 +1,6 @@
 name: wechat_camera_picker_demo
 description: A new Flutter project.
-version: 3.3.0+11
+version: 3.3.1+12
 publish_to: none
 
 environment:

lib/src/widgets/camera_picker.dart

@@ -492,6 +492,12 @@ class CameraPickerState extends State<CameraPicker>
   }
 
   Future<void> zoom(double scale) async {
+    if (_maxAvailableZoom == _minAvailableZoom) {
+      return;
+    }
+    if (_recordDetectTimer?.isActive ?? false) {
+      return;
+    }
     final double zoom = (_baseZoom * scale).clamp(
       _minAvailableZoom,
       _maxAvailableZoom,
@@ -500,8 +506,11 @@ class CameraPickerState extends State<CameraPicker>
       return;
     }
     _currentZoom = zoom;
-
-    await controller.setZoomLevel(_currentZoom);
+    try {
+      await controller.setZoomLevel(_currentZoom);
+    } catch (e, s) {
+      handleErrorWithHandler(e, config.onError, s: s);
+    }
   }
 
   /// Handle when the scale gesture start.

pubspec.yaml

@@ -1,6 +1,6 @@
 name: wechat_camera_picker
 description: A camera picker which is an extension to wechat_assets_picker, but can be run separately.
-version: 3.3.0
+version: 3.3.1
 homepage: https://github.com/fluttercandies/flutter_wechat_camera_picker
 
 environment: