[Fixes] Minor doc fixes as well ass removed Metal delegate

example/live_object_detection_ssd_mobilenet/lib/service/detector_service.dart

@@ -18,11 +18,11 @@ import 'package:tflite_flutter/tflite_flutter.dart';
 // **WARNING:** This is not production code and is only intended to be used for
 // demonstration purposes.
 //
-// The following database works by spawning a background isolate and
+// The following Detector example works by spawning a background isolate and
 // communicating with it over Dart's SendPort API. It is presented below as a
 // demonstration of the feature "Background Isolate Channels" and shows using
-// plugins from a background isolate. The [SimpleDatabase] operates on the root
-// isolate and the [_SimpleDatabaseServer] operates on a background isolate.
+// plugins from a background isolate. The [Detector] operates on the root
+// isolate and the [_DetectorServer] operates on a background isolate.
 //
 // Here is an example of the protocol they use to communicate:
 //
@@ -113,11 +113,6 @@ class Detector {
       interpreterOptions.addDelegate(XNNPackDelegate());
     }
 
-    // Use Metal Delegate
-    if (Platform.isIOS) {
-      interpreterOptions.addDelegate(GpuDelegate());
-    }
-
     return Interpreter.fromAsset(
       _modelPath,
       options: interpreterOptions..threads = 4,
@@ -257,7 +252,7 @@ class _DetectorServer {
     var preProcessStart = DateTime.now().millisecondsSinceEpoch;
 
     /// Pre-process the image
-    /// Resizing image fpr model, [300, 300]
+    /// Resizing image for model [300, 300]
     final imageInput = image_lib.copyResize(
       image!,
       width: mlModelInputSize,

example/live_object_detection_ssd_mobilenet/lib/ui/detector_widget.dart

@@ -69,10 +69,11 @@ class _DetectorWidgetState extends State<DetectorWidget>
   void _initializeCamera() async {
     cameras = await availableCameras();
     // cameras[0] for back-camera
-    _cameraController = CameraController(cameras[0], ResolutionPreset.medium,
-        enableAudio: false)
-      ..initialize().then((_) async {
-        // Stream of image passed to [onLatestImageAvailable] callback
+    _cameraController = CameraController(
+      cameras[0],
+      ResolutionPreset.medium,
+      enableAudio: false,
+    )..initialize().then((_) async {
         await _controller.startImageStream(onLatestImageAvailable);
         setState(() {});