snapshot of https://github.com/flutter/samples.git (main, 2026-09-16; blobs > 131072B omitted)

add_to_app/books/flutter_module_books/lib/api.dart

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+// Autogenerated from Pigeon (v1.0.1), do not edit directly.
+// See also: https://pub.dev/packages/pigeon
+// ignore_for_file: public_member_api_docs, non_constant_identifier_names, avoid_as, unused_import, unnecessary_parenthesis, prefer_null_aware_operators, omit_local_variable_types, unused_shown_name
+// @dart = 2.12
+import 'dart:async';
+import 'dart:typed_data' show Uint8List, Int32List, Int64List, Float64List;
+
+import 'package:flutter/services.dart';
+
+class Book {
+  String? title;
+  String? subtitle;
+  String? author;
+  String? summary;
+  String? publishDate;
+  int? pageCount;
+  Thumbnail? thumbnail;
+
+  Object encode() {
+    final pigeonMap = <Object?, Object?>{};
+    pigeonMap['title'] = title;
+    pigeonMap['subtitle'] = subtitle;
+    pigeonMap['author'] = author;
+    pigeonMap['summary'] = summary;
+    pigeonMap['publishDate'] = publishDate;
+    pigeonMap['pageCount'] = pageCount;
+    pigeonMap['thumbnail'] = thumbnail == null ? null : thumbnail!.encode();
+    return pigeonMap;
+  }
+
+  static Book decode(Object message) {
+    final pigeonMap = message as Map<Object?, Object?>;
+    return Book()
+      ..title = pigeonMap['title'] as String?
+      ..subtitle = pigeonMap['subtitle'] as String?
+      ..author = pigeonMap['author'] as String?
+      ..summary = pigeonMap['summary'] as String?
+      ..publishDate = pigeonMap['publishDate'] as String?
+      ..pageCount = pigeonMap['pageCount'] as int?
+      ..thumbnail = pigeonMap['thumbnail'] != null
+          ? Thumbnail.decode(pigeonMap['thumbnail']!)
+          : null;
+  }
+}
+
+class Thumbnail {
+  String? url;
+
+  Object encode() {
+    final pigeonMap = <Object?, Object?>{};
+    pigeonMap['url'] = url;
+    return pigeonMap;
+  }
+
+  static Thumbnail decode(Object message) {
+    final pigeonMap = message as Map<Object?, Object?>;
+    return Thumbnail()..url = pigeonMap['url'] as String?;
+  }
+}
+
+class _FlutterBookApiCodec extends StandardMessageCodec {
+  const _FlutterBookApiCodec();
+  @override
+  void writeValue(WriteBuffer buffer, Object? value) {
+    if (value is Book) {
+      buffer.putUint8(128);
+      writeValue(buffer, value.encode());
+    } else {
+      super.writeValue(buffer, value);
+    }
+  }
+
+  @override
+  Object? readValueOfType(int type, ReadBuffer buffer) {
+    switch (type) {
+      case 128:
+        return Book.decode(readValue(buffer)!);
+
+      default:
+        return super.readValueOfType(type, buffer);
+    }
+  }
+}
+
+abstract class FlutterBookApi {
+  static const MessageCodec<Object?> codec = _FlutterBookApiCodec();
+
+  void displayBookDetails(Book book);
+  static void setup(FlutterBookApi? api) {
+    {
+      const channel = BasicMessageChannel<Object?>(
+          'dev.flutter.pigeon.FlutterBookApi.displayBookDetails', codec);
+      if (api == null) {
+        channel.setMessageHandler(null);
+      } else {
+        // ignore: avoid_types_on_closure_parameters
+        channel.setMessageHandler((Object? message) async {
+          assert(message != null,
+              'Argument for dev.flutter.pigeon.FlutterBookApi.displayBookDetails was null.');
+          final List<Object?> args = (message as List<Object?>?)!;
+          final Book? arg_book = args[0] as Book?;
+          assert(arg_book != null,
+              'Argument for dev.flutter.pigeon.FlutterBookApi.displayBookDetails was null, expected non-null Book.');
+          api.displayBookDetails(arg_book!);
+          return;
+        });
+      }
+    }
+  }
+}
+
+class _HostBookApiCodec extends StandardMessageCodec {
+  const _HostBookApiCodec();
+  @override
+  void writeValue(WriteBuffer buffer, Object? value) {
+    if (value is Book) {
+      buffer.putUint8(128);
+      writeValue(buffer, value.encode());
+    } else {
+      super.writeValue(buffer, value);
+    }
+  }
+
+  @override
+  Object? readValueOfType(int type, ReadBuffer buffer) {
+    switch (type) {
+      case 128:
+        return Book.decode(readValue(buffer)!);
+
+      default:
+        return super.readValueOfType(type, buffer);
+    }
+  }
+}
+
+class HostBookApi {
+  /// Constructor for [HostBookApi].  The [binaryMessenger] named argument is
+  /// available for dependency injection.  If it is left null, the default
+  /// BinaryMessenger will be used which routes to the host platform.
+  HostBookApi({BinaryMessenger? binaryMessenger})
+      : _binaryMessenger = binaryMessenger;
+
+  final BinaryMessenger? _binaryMessenger;
+
+  static const MessageCodec<Object?> codec = _HostBookApiCodec();
+
+  Future<void> cancel() async {
+    final channel = BasicMessageChannel<Object?>(
+        'dev.flutter.pigeon.HostBookApi.cancel', codec,
+        binaryMessenger: _binaryMessenger);
+    final Map<Object?, Object?>? replyMap =
+        await channel.send(null) as Map<Object?, Object?>?;
+    if (replyMap == null) {
+      throw PlatformException(
+        code: 'channel-error',
+        message: 'Unable to establish connection on channel.',
+        details: null,
+      );
+    } else if (replyMap['error'] != null) {
+      final error = (replyMap['error'] as Map<Object?, Object?>?)!;
+      throw PlatformException(
+        code: (error['code'] as String?)!,
+        message: error['message'] as String?,
+        details: error['details'],
+      );
+    }
+  }
+
+  Future<void> finishEditingBook(Book arg_book) async {
+    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
+        'dev.flutter.pigeon.HostBookApi.finishEditingBook', codec,
+        binaryMessenger: _binaryMessenger);
+    final Map<Object?, Object?>? replyMap =
+        await channel.send(<Object>[arg_book]) as Map<Object?, Object?>?;
+    if (replyMap == null) {
+      throw PlatformException(
+        code: 'channel-error',
+        message: 'Unable to establish connection on channel.',
+        details: null,
+      );
+    } else if (replyMap['error'] != null) {
+      final Map<Object?, Object?> error =
+          (replyMap['error'] as Map<Object?, Object?>?)!;
+      throw PlatformException(
+        code: (error['code'] as String?)!,
+        message: error['message'] as String?,
+        details: error['details'],
+      );
+    }
+  }
+}