Mobile Deep Learning with TensorFlow Lite, ML Kit and Flutter

Using the Cloud Vision API

In this section, we simply define a visionAPICall method that is used to make an http Post request to the CloudVision API, passing in the request string encoded as json, which returns a json response that is parsed to get the values from the desired labels:

1. First of all, we define an http plugin dependency in the pubspec.yaml file, as follows:

http: ^0.12.0+2

2. Import the plugin in PlantSpeciesRecognition.dart to assist in making http requests, like this:

import 'package:http/http.dart' as http;

3. Now, we define the method to create a request URL and make an http POST request, as follows:

List<int> imageBytes = _image.readAsBytesSync();String base64Image = base64Encode(imageBytes);

To be able to send the image ...