// 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 'package:flutter/services.dart'; const MethodChannel _kMethodChannel = MethodChannel('tests.flutter.dev/windows_startup_test'); /// Returns true if the application's window is visible. Future<bool> isWindowVisible() async { final bool? visible = await _kMethodChannel.invokeMethod<bool?>('isWindowVisible'); if (visible == null) { throw 'Method channel unavailable'; } return visible; } /// Returns true if the app's dark mode is enabled. Future<bool> isAppDarkModeEnabled() async { final bool? enabled = await _kMethodChannel.invokeMethod<bool?>('isAppDarkModeEnabled'); if (enabled == null) { throw 'Method channel unavailable'; } return enabled; } /// Returns true if the operating system dark mode setting is enabled. Future<bool> isSystemDarkModeEnabled() async { final bool? enabled = await _kMethodChannel.invokeMethod<bool?>('isSystemDarkModeEnabled'); if (enabled == null) { throw 'Method channel unavailable'; } return enabled; } /// Test conversion of a UTF16 string to UTF8 using the app template utils. Future<String> testStringConversion(Int32List twoByteCodes) async { final String? converted = await _kMethodChannel.invokeMethod<String?>('convertString', twoByteCodes); if (converted == null) { throw 'Method channel unavailable.'; } return converted; }