105 lines
3.0 KiB
Dart
105 lines
3.0 KiB
Dart
import 'package:flutter/services.dart';
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/// 当前 Android 设备的运行环境。
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class AppRuntimeEnvironment {
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final bool isEmulator;
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final int displayCount;
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const AppRuntimeEnvironment({
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required this.isEmulator,
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required this.displayCount,
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});
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factory AppRuntimeEnvironment.fromMap(Map<dynamic, dynamic>? data) {
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return AppRuntimeEnvironment(
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isEmulator: data?['isEmulator'] == true,
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displayCount: (data?['displayCount'] as num?)?.toInt() ?? 1,
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);
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}
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}
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class AppNetworkSnapshot {
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final bool connected;
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final String type;
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final int receivedBytes;
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final int transmittedBytes;
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const AppNetworkSnapshot({
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required this.connected,
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required this.type,
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required this.receivedBytes,
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required this.transmittedBytes,
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});
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factory AppNetworkSnapshot.fromMap(Map<dynamic, dynamic>? data) {
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return AppNetworkSnapshot(
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connected: data?['connected'] == true,
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type: data?['type']?.toString() ?? 'offline',
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receivedBytes: (data?['rxBytes'] as num?)?.toInt() ?? 0,
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transmittedBytes: (data?['txBytes'] as num?)?.toInt() ?? 0,
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);
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}
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}
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/// 统一管理虚拟机识别和硬件手动输入模式，避免各业务页面自行猜测设备能力。
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abstract class AppRuntimeTool {
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static const MethodChannel _channel = MethodChannel(
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'biz_xfj/runtime_environment',
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);
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static AppRuntimeEnvironment _environment = const AppRuntimeEnvironment(
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isEmulator: false,
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displayCount: 1,
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);
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static bool _initialized = false;
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static bool _manualHardwareInput = false;
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static bool get isEmulator => _environment.isEmulator;
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static int get displayCount => _environment.displayCount;
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/// 虚拟机始终使用手动输入；真机可在设置中主动开启手动输入模式。
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static bool get useManualHardwareInput => isEmulator || _manualHardwareInput;
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static bool get canUsePhysicalHardware => !useManualHardwareInput;
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static bool get hasMultipleDisplays => displayCount >= 2;
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static Future<void> initializePlatform() async {
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if (_initialized) return;
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try {
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final data = await _channel.invokeMapMethod<dynamic, dynamic>(
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'getRuntimeEnvironment',
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);
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_environment = AppRuntimeEnvironment.fromMap(data);
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} on PlatformException {
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// 原生通道异常时按单屏处理，避免错误地启动副屏。
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_environment = const AppRuntimeEnvironment(
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isEmulator: false,
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displayCount: 1,
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);
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}
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_initialized = true;
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}
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static Future<AppNetworkSnapshot> getNetworkSnapshot() async {
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try {
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final data = await _channel.invokeMapMethod<dynamic, dynamic>(
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'getNetworkSnapshot',
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);
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return AppNetworkSnapshot.fromMap(data);
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} on PlatformException {
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return const AppNetworkSnapshot(
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connected: false,
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type: 'offline',
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receivedBytes: 0,
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transmittedBytes: 0,
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);
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}
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}
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static void applyManualHardwareInput(bool enabled) {
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_manualHardwareInput = enabled;
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}
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}
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