octo_image 0.2.1

A multifunctional Flutter image widget. Supports placeholders, error widgets and image transformers with fading.

example/lib/main.dart

import 'package:cached_network_image/cached_network_image.dart';
import 'package:flutter/material.dart';
import 'package:octo_image/octo_image.dart';

void main() {
  runApp(MyApp());
}

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'OctoImage Demo',
      theme: ThemeData(),
      home: OctoImagePage(),
    );
  }
}

class OctoImagePage extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text('OctoImage Demo'),
      ),
      body: ListView(
        children: [
          _customImage(),
          SizedBox(height: 16),
          _simpleBlur(),
          SizedBox(height: 16),
          _circleAvatar(),
        ],
      ),
    );
  }

  Widget _customImage() {
    return SizedBox(
      height: 150,
      child: OctoImage(
        image: CachedNetworkImageProvider('https://via.placeholder.com/150'),
        progressIndicatorBuilder: (context, progress) {
          double value;
          if (progress != null && progress.expectedTotalBytes != null) {
            value =
                progress.cumulativeBytesLoaded / progress.expectedTotalBytes;
          }
          return CircularProgressIndicator(value: value);
        },
        errorBuilder: (context, error, stacktrace) => Icon(Icons.error),
      ),
    );
  }

  Widget _simpleBlur() {
    return AspectRatio(
      aspectRatio: 269 / 173,
      child: OctoImage(
        image: CachedNetworkImageProvider(
            'https://blurha.sh/assets/images/img1.jpg'),
        placeholderBuilder: OctoPlaceholder.blurHash(
          'LEHV6nWB2yk8pyo0adR*.7kCMdnj',
        ),
        errorBuilder: OctoError.icon(color: Colors.red),
        fit: BoxFit.cover,
      ),
    );
  }

  Widget _circleAvatar() {
    return SizedBox(
      height: 75,
      child: OctoImage.fromSet(
        fit: BoxFit.cover,
        image: CachedNetworkImageProvider(
          'https://upload.wikimedia.org/wikipedia/commons/thumb/4/4e/Macaca_nigra_self-portrait_large.jpg/1024px-Macaca_nigra_self-portrait_large.jpg',
        ),
        octoSet: OctoSet.circleAvatar(
          backgroundColor: Colors.red,
          text: Text("M"),
        ),
      ),
    );
  }
}