waveform_ffi 0.0.1

Flutter plugin for waveform

example/lib/main.dart

import 'dart:io';

import 'package:flutter/material.dart';
import 'package:http/http.dart' as http;

import 'package:waveform_ffi/waveform_ffi.dart';
import 'package:path_provider/path_provider.dart';

void main() => runApp(MyApp());

class MyApp extends StatefulWidget {
  @override
  _MyAppState createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> {
  String _response = '(please, wait)';

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

  void initPlatformState() {
    // sync call
    String response = WaveForm.callConvertData("aaaaaaaaa");

    setState(() {
      _response = response;
    });
  }

  Future<String> get _localPath async {
    return (await getApplicationDocumentsDirectory()).path;
  }

  Future<void> bp() async {
    File f = File(await _localPath + "/test.mp3");
    if (await f.exists()) {
      await f.delete();
    }
    await f.create();

    http.Response response = await http.get(
        "https://p.scdn.co/mp3-preview/546cc859633ce69e1b27f9cf22e64f4d9f80b2f4");
    await f.writeAsBytes(response.bodyBytes);

    try {
      _response = WaveForm.callConvertData(f.path);
    } catch (e, stacktrace) {}
    setState(() {});
  }

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(
          title: const Text('Flutter Rust FFI'),
        ),
        body: SingleChildScrollView(
          child: Column(
            children: <Widget>[
              Center(
                child: Text(
                  'Response:\n$_response\n',
                  textAlign: TextAlign.center,
                ),
              ),
              FlatButton(
                child: Text("aaaaaaaaaa"),
                onPressed: bp,
              )
            ],
          ),
        ),
      ),
    );
  }
}