dpad_container 2.0.4

Dpad container focus navigation support for android TV. Allow you to navigate widgets and get focused, just wrap your widget and that's it!

example/lib/main.dart

import 'package:dpad_container/dpad_container.dart';
import 'package:flutter/material.dart';

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

class MyApp extends StatelessWidget {
  const MyApp({Key? key}) : super(key: key);

  @override
  Widget build(BuildContext context) {
    return const MaterialApp(
      title: 'Dpad Container Example',
      debugShowCheckedModeBanner: false,
      home: Example(),
    );
  }
}

class Example extends StatefulWidget {
  const Example({Key? key}) : super(key: key);

  @override
  State<Example> createState() => _ExampleState();
}

class _ExampleState extends State<Example> {
  final List _images = [
    'https://images.unsplash.com/photo-1619903774373-7dea6886db8e?ixid=MnwxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8&ixlib=rb-1.2.1&auto=format&fit=crop&w=774&q=80',
    'https://images.unsplash.com/photo-1627844718641-f3bda7d6050b?ixid=MnwxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8&ixlib=rb-1.2.1&auto=format&fit=crop&w=411&q=80',
    'https://images.unsplash.com/photo-1627844718641-f3bda7d6050b?ixid=MnwxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8&ixlib=rb-1.2.1&auto=format&fit=crop&w=411&q=80',
    'https://images.unsplash.com/photo-1633413788319-77c6dfe3c2f6?ixid=MnwxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8&ixlib=rb-1.2.1&auto=format&fit=crop&w=386&q=80',
    'https://images.unsplash.com/photo-1633303024000-8065a6cfdd09?ixid=MnwxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8&ixlib=rb-1.2.1&auto=format&fit=crop&w=387&q=80',
    'https://images.unsplash.com/photo-1631189944771-466264f05965?ixid=MnwxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8&ixlib=rb-1.2.1&auto=format&fit=crop&w=870&q=80',
  ];

  int? selectedIndex;
  int? onFocusIndex;

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      backgroundColor: Colors.black,
      body: GridView.builder(
        gridDelegate: const SliverGridDelegateWithFixedCrossAxisCount(
          crossAxisCount: 3,
          crossAxisSpacing: 5,
        ),
        primary: false,
        padding: const EdgeInsets.all(10),
        itemCount: _images.length,
        itemBuilder: (ctx, i) {
          final image = _images[i];
          return DpadContainer(
            onClick: () => setState(() => selectedIndex = i),
            onFocus: (bool isFocused) => setState(() => onFocusIndex = i),
            child: ImageCard(
              image: image,
              focus: onFocusIndex == i,
              selected: selectedIndex == i,
            ),
          );
        },
      ),
    );
  }
}

class ImageCard extends StatelessWidget {
  final bool selected;
  final bool focus;
  final String image;

  const ImageCard({
    Key? key,
    required this.selected,
    required this.image,
    required this.focus,
  }) : super(key: key);

  @override
  Widget build(BuildContext context) {
    return Padding(
      padding: const EdgeInsets.all(10),
      child: Container(
        decoration: BoxDecoration(
          borderRadius: BorderRadius.circular(10),
          color: focus ? Colors.white : Colors.black,
          border: Border.all(
            color: focus
                ? Colors.white
                : (selected ? Colors.blue.shade400 : Colors.black),
            width: 5,
          ),
          image: DecorationImage(image: NetworkImage(image), fit: BoxFit.cover),
        ),
      ),
    );
  }
}