lib/utils/ev_from_bytes.dart

@@ -10,14 +10,7 @@ Future<double> evFromImage(Uint8List bytes) async {
   final apertureValueRatio = (tags["EXIF FNumber"]?.values as IfdRatios?)?.ratios.first;
   final speedValueRatio = (tags["EXIF ExposureTime"]?.values as IfdRatios?)?.ratios.first;
   if (iso == null || apertureValueRatio == null || speedValueRatio == null) {
-    throw ArgumentError(
+    throw FlutterError('Error parsing EXIF: ${tags.keys}');
-      'Error parsing EXIF: ${tags.keys.join(', ')}',
-      [
-        if (iso == null) 'EXIF ISOSpeedRatings',
-        if (apertureValueRatio == null) 'EXIF FNumber',
-        if (speedValueRatio == null) 'EXIF ExposureTime',
-      ].join(', '),
-    );
   }
 
   final aperture = apertureValueRatio.numerator / apertureValueRatio.denominator;

test/utils/ev_from_bytes_test.dart

@@ -17,7 +17,7 @@ void main() {
       'no EXIF',
       () {
         final bytes = File('assets/launcher_icon_dev_512.png').readAsBytesSync();
-        expectLater(evFromImage(bytes), throwsArgumentError);
+        expectLater(evFromImage(bytes), throwsFlutterError);
       },
     );
   });