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samples/platform_channels/lib/src/counter_method_channel.dart
Eric Windmill 2999d738b8 Dart 3.9 / Flutter 3.35 [first LLM release] (#2714)
I got carried away with Gemini and basically rewrote CI and the release
process for the new LLM reality. This work was largely completed by
Gemini.

- Bump all SDK versions to the current beta (3.9.0-0)
- Run `flutter channel beta`
- Wrote `ci_script.dart` to replace the bash scripts
- Converted repository to pub workspace #2499 
- Added llm.md and release.md
- Added redirect for deprecated Samples Index

## Pre-launch Checklist

- [x] I read the [Flutter Style Guide] _recently_, and have followed its
advice.
- [x] I signed the [CLA].
- [x] I read the [Contributors Guide].
- [x] I have added sample code updates to the [changelog].
- [x] I updated/added relevant documentation (doc comments with `///`).
2025-08-14 12:26:24 -07:00

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1.2 KiB
Dart

// Copyright 2020 The Flutter team. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
import 'package:flutter/services.dart';
/// This class includes implementation of two platform methods [increment],
/// and [decrement] which are used to increment and decrement value
/// of count respectively.
class Counter {
/// Creates a [MethodChannel] with the specified name to invoke platform method.
/// In order to communicate across platforms, the name of MethodChannel
/// should be same on native and dart side.
static MethodChannel methodChannel = const MethodChannel(
'methodChannelDemo',
);
/// This method is responsible to increment and return the value of count.
static Future<int> increment({required int counterValue}) async {
final result = await methodChannel.invokeMethod<int>('increment', {
'count': counterValue,
});
return result!;
}
/// This method is responsible to decrement and return the value of count.
static Future<int> decrement({required int counterValue}) async {
final result = await methodChannel.invokeMethod<int>('decrement', {
'count': counterValue,
});
return result!;
}
}