Remove deprecated BinaryMessages (#73750)

packages/flutter/lib/services.dart

@@ -23,7 +23,6 @@ export 'src/services/keyboard_maps.dart';
 export 'src/services/message_codec.dart';
 export 'src/services/message_codecs.dart';
 export 'src/services/platform_channel.dart';
-export 'src/services/platform_messages.dart';
 export 'src/services/platform_views.dart';
 export 'src/services/raw_keyboard.dart';
 export 'src/services/raw_keyboard_android.dart';

packages/flutter/lib/src/services/asset_bundle.dart

@@ -10,7 +10,7 @@ import 'dart:typed_data';
 
 import 'package:flutter/foundation.dart';
 
-import 'binary_messenger.dart';
+import 'binding.dart';
 
 /// A collection of resources used by the application.
 ///
@@ -222,7 +222,7 @@ class PlatformAssetBundle extends CachingAssetBundle {
   Future<ByteData> load(String key) async {
     final Uint8List encoded = utf8.encoder.convert(Uri(path: Uri.encodeFull(key)).path);
     final ByteData? asset =
-        await defaultBinaryMessenger.send('flutter/assets', encoded.buffer.asByteData());
+        await ServicesBinding.instance!.defaultBinaryMessenger.send('flutter/assets', encoded.buffer.asByteData());
     if (asset == null)
       throw FlutterError('Unable to load asset: $key');
     return asset;

packages/flutter/lib/src/services/binary_messenger.dart

@@ -6,7 +6,6 @@
 import 'dart:typed_data';
 import 'dart:ui' as ui;
 
-import 'package:flutter/foundation.dart';
 import 'binding.dart';
 
 /// A function which takes a platform message and asynchronously returns an encoded response.
@@ -77,36 +76,3 @@ abstract class BinaryMessenger {
   /// `channel` is not set.
   bool checkMockMessageHandler(String channel, MessageHandler? handler);
 }
-
-/// The default instance of [BinaryMessenger].
-///
-/// This API has been deprecated in favor of [ServicesBinding.defaultBinaryMessenger].
-/// Please use [ServicesBinding.defaultBinaryMessenger] as the default
-/// instance of [BinaryMessenger].
-///
-/// This is used to send messages from the application to the platform, and
-/// keeps track of which handlers have been registered on each channel so
-/// it may dispatch incoming messages to the registered handler.
-@Deprecated(
-  'Use ServicesBinding.instance.defaultBinaryMessenger instead. '
-  'This feature was deprecated after v1.6.5.'
-)
-BinaryMessenger get defaultBinaryMessenger {
-  assert(() {
-    if (ServicesBinding.instance == null) {
-      throw FlutterError(
-        'ServicesBinding.defaultBinaryMessenger was accessed before the '
-        'binding was initialized.\n'
-        "If you're running an application and need to access the binary "
-        'messenger before `runApp()` has been called (for example, during '
-        'plugin initialization), then you need to explicitly call the '
-        '`WidgetsFlutterBinding.ensureInitialized()` first.\n'
-        "If you're running a test, you can call the "
-        '`TestWidgetsFlutterBinding.ensureInitialized()` as the first line in '
-        "your test's `main()` method to initialize the binding."
-      );
-    }
-    return true;
-  }());
-  return ServicesBinding.instance!.defaultBinaryMessenger;
-}

packages/flutter/lib/src/services/platform_channel.dart

@@ -45,7 +45,7 @@ class BasicMessageChannel<T> {
   final MessageCodec<T> codec;
 
   /// The messenger which sends the bytes for this channel, not null.
-  BinaryMessenger get binaryMessenger => _binaryMessenger ?? defaultBinaryMessenger;
+  BinaryMessenger get binaryMessenger => _binaryMessenger ?? ServicesBinding.instance!.defaultBinaryMessenger;
   final BinaryMessenger? _binaryMessenger;
 
   /// Sends the specified [message] to the platform plugins on this channel.
@@ -139,7 +139,7 @@ class MethodChannel {
   /// The messenger used by this channel to send platform messages.
   ///
   /// The messenger may not be null.
-  BinaryMessenger get binaryMessenger => _binaryMessenger ?? defaultBinaryMessenger;
+  BinaryMessenger get binaryMessenger => _binaryMessenger ?? ServicesBinding.instance!.defaultBinaryMessenger;
   final BinaryMessenger? _binaryMessenger;
 
   @optionalTypeArgs
@@ -509,7 +509,7 @@ class EventChannel {
   final MethodCodec codec;
 
   /// The messenger used by this channel to send platform messages, not null.
-  BinaryMessenger get binaryMessenger => _binaryMessenger ?? defaultBinaryMessenger;
+  BinaryMessenger get binaryMessenger => _binaryMessenger ?? ServicesBinding.instance!.defaultBinaryMessenger;
   final BinaryMessenger? _binaryMessenger;
 
   /// Sets up a broadcast stream for receiving events on this channel.

packages/flutter/lib/src/services/platform_messages.dart

-// Copyright 2014 The Flutter Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-
-import 'dart:typed_data';
-import 'dart:ui' as ui;
-
-import 'binary_messenger.dart';
-import 'platform_channel.dart';
-
-/// Sends binary messages to and receives binary messages from platform plugins.
-///
-/// This class has been deprecated in favor of [defaultBinaryMessenger]. New
-/// code should not use [BinaryMessages].
-///
-/// See also:
-///
-///  * [BinaryMessenger], the interface which has replaced this class.
-///  * [BasicMessageChannel], which provides basic messaging services similar to
-///    `BinaryMessages`, but with pluggable message codecs in support of sending
-///    strings or semi-structured messages.
-///  * [MethodChannel], which provides platform communication using asynchronous
-///    method calls.
-///  * [EventChannel], which provides platform communication using event streams.
-///  * <https://flutter.dev/platform-channels/>
-@Deprecated(
-  'This class, which was just a collection of static methods, has been '
-  'deprecated in favor of BinaryMessenger, and its default implementation, '
-  'defaultBinaryMessenger. '
-  'This feature was deprecated after v1.6.5.'
-)
-class BinaryMessages {
-  // This class is not meant to be instantiated or extended; this constructor
-  // prevents instantiation and extension.
-  // ignore: unused_element
-  BinaryMessages._();
-
-  /// The messenger which sends the platform messages, not null.
-  static final BinaryMessenger _binaryMessenger = defaultBinaryMessenger;
-
-  /// Calls the handler registered for the given channel.
-  ///
-  /// Typically called by [ServicesBinding] to handle platform messages received
-  /// from [dart:ui.PlatformDispatcher.onPlatformMessage].
-  ///
-  /// To register a handler for a given message channel, see [setMessageHandler].
-  @Deprecated(
-    'Use defaultBinaryMessenger.handlePlatformMessage instead. '
-    'This feature was deprecated after v1.6.5.'
-  )
-  static Future<void> handlePlatformMessage(
-    String channel,
-    ByteData data,
-    ui.PlatformMessageResponseCallback callback,
-  ) {
-    return _binaryMessenger.handlePlatformMessage(channel, data, callback);
-  }
-
-  /// Send a binary message to the platform plugins on the given channel.
-  ///
-  /// Returns a [Future] which completes to the received response, undecoded, in
-  /// binary form.
-  @Deprecated(
-    'Use defaultBinaryMessenger.send instead. '
-    'This feature was deprecated after v1.6.5.'
-  )
-  static Future<ByteData?>? send(String channel, ByteData? message) {
-    return _binaryMessenger.send(channel, message);
-  }
-
-  /// Set a callback for receiving messages from the platform plugins on the
-  /// given channel, without decoding them.
-  ///
-  /// The given callback will replace the currently registered callback for that
-  /// channel, if any. To remove the handler, pass null as the `handler`
-  /// argument.
-  ///
-  /// The handler's return value, if non-null, is sent as a response, unencoded.
-  @Deprecated(
-    'Use defaultBinaryMessenger.setMessageHandler instead. '
-    'This feature was deprecated after v1.6.5.'
-  )
-  static void setMessageHandler(String channel, Future<ByteData?> Function(ByteData? message) handler) {
-    _binaryMessenger.setMessageHandler(channel, handler);
-  }
-
-  /// Set a mock callback for intercepting messages from the `send*` methods on
-  /// this class, on the given channel, without decoding them.
-  ///
-  /// The given callback will replace the currently registered mock callback for
-  /// that channel, if any. To remove the mock handler, pass null as the
-  /// `handler` argument.
-  ///
-  /// The handler's return value, if non-null, is used as a response, unencoded.
-  ///
-  /// This is intended for testing. Messages intercepted in this manner are not
-  /// sent to platform plugins.
-  @Deprecated(
-    'Use defaultBinaryMessenger.setMockMessageHandler instead. '
-    'This feature was deprecated after v1.6.5.'
-  )
-  static void setMockMessageHandler(String channel, Future<ByteData?> Function(ByteData? message) handler) {
-    _binaryMessenger.setMockMessageHandler(channel, handler);
-  }
-}