flutter_kit_file_open 0.0.1

Private plugins / packages

example/lib/main.dart

import 'dart:async';

import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:flutter_kit_file_open/flutter_kit_file_open.dart';

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

class MyApp extends StatefulWidget {
  const MyApp({super.key});

  @override
  State<MyApp> createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> {
  String _platformVersion = 'Unknown';
  String _file1 = '空';
  String _file2 = '空';
  String _file3 = '空';
  final _flutterFileOpenerPlugin = FlutterKitFileOpen();

  @override
  void initState() {
    super.initState();
    initPlatformState();
    listen();
    fetchInitialFiles();
    receiveFile();
  }

  // Platform messages are asynchronous, so we initialize in an async method.
  Future<void> initPlatformState() async {
    String platformVersion;
    // Platform messages may fail, so we use a try/catch PlatformException.
    // We also handle the message potentially returning null.
    try {
      platformVersion = await FlutterKitFileOpen.getPlatformVersion() ?? 'Unknown platform version';
    } on PlatformException {
      platformVersion = 'Failed to get platform 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(() {
      _platformVersion = platformVersion;
    });
  }

  // ================= 方式1: 运行中实时接收文件（Stream） =================
  void listen() {
    FlutterKitFileOpen.fileStream.listen((OpenFileResult result) {
      setState(() {
        _file1 = result.paths.map(($0) => $0).join(' |');
      });
      print("方式1：Stream 收到文件路径: ${result.paths}");
    });
  }

  // ================= 方式2: 冷启动 / 主动拉取 =================
  Future<void> fetchInitialFiles() async {
    final result = await FlutterKitFileOpen.getFiles();
    if (result != null) {
      setState(() {
        _file2 = result.paths.map(($0) => $0).join(' |');
      });
      print("方式2：拉取到文件路径: ${result.paths}");
    } else {
      print("方式2：没有文件可拉取");
    }
  }

  // ================= 方式3: 回调方式 =================
  void receiveFile() {
    FlutterKitFileOpen.receiveFileUri((dynamic result) {
      if (result != null) {
        setState(() {
          _file3 = result.paths.map(($0) => $0).join(' |');
        });
        print("方式3：回调收到文件路径: ${result.paths}");
      }
    });
  }

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(title: const Text('Plugin example app')),
        body: Column(
          spacing: 10,
          children: [
            Center(child: Text('Running on: $_platformVersion\n')),
            Center(child: Text('file1  $_file1\n')),
            Center(child: Text('file2  $_file2\n')),
            Center(child: Text('file3  $_file3\n')),
          ],
        ),
      ),
    );
  }
}