Catch and forward iOS exceptions to Flutter

just_audio/darwin/Classes/AudioPlayer.m

@@ -84,6 +84,7 @@
 }
 
 - (void)handleMethodCall:(FlutterMethodCall*)call result:(FlutterResult)result {
+    @try {
         NSDictionary *request = (NSDictionary *)call.arguments;
         if ([@"load" isEqualToString:call.method]) {
             [self load:request[@"audioSource"] result:result];
@@ -129,6 +130,11 @@
         } else {
             result(FlutterMethodNotImplemented);
         }
+    } @catch (id exception) {
+        NSLog(@"Error in handleMethodCall");
+        FlutterError *flutterError = [FlutterError errorWithCode:@"error" message:@"Error in handleMethodCall" details:nil];
+        result(flutterError);
+    }
 }
 
 // Untested