recording_test

lib/platform/audio_recorder_io.dart

@@ -0,0 +1,47 @@
+import 'dart:io';
+import 'dart:typed_data';
+
+import 'package:path/path.dart' as p;
+import 'package:path_provider/path_provider.dart';
+import 'package:record/record.dart';
+
+mixin AudioRecorderMixin {
+  Future<void> recordFile(AudioRecorder recorder, RecordConfig config) async {
+    final path = await _getPath();
+
+    await recorder.start(config, path: path);
+  }
+
+  Future<void> recordStream(AudioRecorder recorder, RecordConfig config) async {
+    final path = await _getPath();
+    
+    final file = File(path);
+
+    final stream = await recorder.startStream(config);
+
+    stream.listen(
+      (data) {
+        // ignore: avoid_print
+        print(
+          recorder.convertBytesToInt16(Uint8List.fromList(data)),
+        );
+        file.writeAsBytesSync(data, mode: FileMode.append);
+      },
+      // ignore: avoid_print
+      onDone: () {
+        // ignore: avoid_print
+        print('End of stream. File written to $path.');
+      },
+    );
+  }
+
+  void downloadWebData(String path) {}
+
+  Future<String> _getPath() async {
+    final dir = await getApplicationDocumentsDirectory();
+    return p.join(
+      dir.path,
+      'audio_${DateTime.now().millisecondsSinceEpoch}.m4a',
+    );
+  }
+}

lib/platform/audio_recorder_platform.dart

@@ -0,0 +1 @@
+export 'audio_recorder_web.dart' if (dart.library.io) 'audio_recorder_io.dart';

lib/platform/audio_recorder_web.dart

@@ -0,0 +1,33 @@
+// ignore_for_file: avoid_web_libraries_in_flutter
+
+import 'dart:html' as html;
+import 'dart:typed_data';
+
+import 'package:record/record.dart';
+
+mixin AudioRecorderMixin {
+  Future<void> recordFile(AudioRecorder recorder, RecordConfig config) {
+    return recorder.start(config, path: '');
+  }
+
+  Future<void> recordStream(AudioRecorder recorder, RecordConfig config) async {
+    final b = <Uint8List>[];
+    final stream = await recorder.startStream(config);
+
+    stream.listen(
+      (data) => b.add(data),
+      onDone: () => downloadWebData(html.Url.createObjectUrl(html.Blob(b))),
+    );
+  }
+
+  void downloadWebData(String path) {
+    // Simple download code for web testing
+    final anchor = html.document.createElement('a') as html.AnchorElement
+      ..href = path
+      ..style.display = 'none'
+      ..download = 'audio.wav';
+    html.document.body!.children.add(anchor);
+    anchor.click();
+    html.document.body!.children.remove(anchor);
+  }
+}