滑动快速启动

dependencies:
  cloudinary_flutter: ^1.0.0
  cloudinary_url_gen: ^1.0.0

// Import the Cloudinary packages.
import 'package:cloudinary_url_gen/cloudinary.dart';
import 'package:cloudinary_flutter/image/cld_image.dart';
import 'package:cloudinary_flutter/cloudinary_context.dart';
import 'package:flutter/material.dart';

// Create a Cloudinary instance and set your cloud name.
void main() {
  CloudinaryContext.cloudinary =
      Cloudinary.fromCloudName(cloudName: 'demo');
  runApp(App());
}

// Add a Flutter StatelessWidget.
class App extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        body: Center(
          child: SizedBox(
            width: 200,
            height: 140,
            // Add a Cloudinary CldImageWidget that wraps Flutter's authenticated Image widget.
            child: CldImageWidget(
              publicId: 'cld-sample',
              transformation: Transformation()
                // Resize to 250 x 250 pixels using the 'fill' crop mode.
                ..resize(Resize.fill()
                  ..width(250)
                  ..height(250))
                // Add the 'sepia' effect.
                ..effect(Effect.sepia())
              )
            ),
          ),
        ),
    );
  }
}

https://res.www.agrosoland.com/demo/image/upload/c_fill,h_250,w_250/e_sepia/cld-sample