flutter_opencv 0.0.3 flutter_opencv: ^0.0.3 copied to clipboard
OpenCV Bindings for Flutter
/* This is free and unencumbered software released into the public domain. */
import 'dart:async';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:flutter_opencv/opencv.dart' as cv;
void main() => runApp(MyApp());
class MyApp extends StatefulWidget {
@override
_MyAppState createState() => _MyAppState();
}
class _MyAppState extends State<MyApp> {
String _versionString = "Unknown";
@override
void initState() {
super.initState();
initPlatformState();
}
// Platform messages are asynchronous, so we initialize in an async method.
Future<void> initPlatformState() async {
String versionString;
// Platform messages may fail, so we use a try/catch PlatformException.
try {
versionString = await cv.versionString;
}
on PlatformException {
versionString = "Failed to get OpenCV version.";
}
// If the widget was removed from the tree while the asynchronous platform
// message was in flight, we want to discard the reply rather than calling
// setState to update our non-existent appearance.
if (!mounted) return;
setState(() {
_versionString = versionString;
});
}
@override
Widget build(BuildContext context) {
return MaterialApp(
home: Scaffold(
appBar: AppBar(
title: Text("OpenCV for Flutter"),
),
body: Center(
child: Text("OpenCV version: $_versionString\n"),
),
),
);
}
}