\u8981\u6709\u6548\u9002\u914d，\u5f97\u5148\u5403\u900f\u539f\u63d2\u4ef6\u662f\u600e\u4e48\u5de5\u4f5c\u7684\u3002\u5b83\u7684\u6838\u5fc3\u903b\u8f91\u5176\u5b9e\u662f\u4e00\u4e2a \u201c\u751f\u6210-\u5b58\u50a8-\u8bfb\u53d6\u201d \u7684\u6301\u4e45\u5316\u6d41\u7a0b：<\/p>\n
Dart \u5c42\u7f13\u5b58：\u4e3a\u4e86\u63d0\u5347\u6027\u80fd，\u63d2\u4ef6\u5728 Dart \u5c42\u4f1a\u5bf9\u83b7\u53d6\u5230\u7684 UDID \u505a\u5185\u5b58\u7f13\u5b58，\u907f\u514d\u9891\u7e41\u8d70\u5e73\u53f0\u901a\u9053\u8c03\u7528\u3002<\/li>\n\u9002\u914d\u5173\u952e\u70b9：\u6211\u4eec\u8981\u505a\u7684，\u5c31\u662f\u5728\u9e3f\u8499\u7aef \u201c\u590d\u73b0\u201d \u8fd9\u4e00\u6574\u5957\u884c\u4e3a\u903b\u8f91\u3002\u53ea\u9700\u8981\u66ff\u6362\u6389\u5b83\u5e95\u5c42\u7684\u5e73\u53f0\u5b9e\u73b0（\u6bd4\u5982\u6807\u8bc6\u751f\u6210\u7684\u6765\u6e90\u3001\u5b58\u50a8\u7528\u7684 API），\u800c\u4fdd\u6301 Dart \u5c42\u7684\u63a5\u53e3\u548c\u884c\u4e3a\u5b8c\u5168\u4e0d\u53d8\u3002<\/p>\n
\u4e8c\u3001\u52a8\u624b\u4e4b\u524d：\u73af\u5883\u51c6\u5907\u548c\u5de5\u7a0b\u6539\u9020<\/h3>\n2.1 \u628a\u5f00\u53d1\u73af\u5883\u642d\u8d77\u6765<\/h4>\n
# 1. \u786e\u8ba4 Flutter \u73af\u5883 (\u63a8\u8350 3.13.0+，\u5bf9\u9e3f\u8499\u652f\u6301\u66f4\u597d)
\nflutter doctor -v
\n# \u786e\u4fdd Flutter SDK \u5305\u542b\u4e86\u9e3f\u8499\u684c\u9762\u8bbe\u5907\u652f\u6301<\/p>\n
# 2. \u914d\u7f6e\u9e3f\u8499\u539f\u751f\u5f00\u53d1\u73af\u5883
\n# – \u4e0b\u8f7d\u5b89\u88c5 DevEco Studio 4.0 Release \u6216\u66f4\u9ad8\u7248\u672c
\n# – \u5728 SDK Manager \u91cc\u5b89\u88c5 HarmonyOS SDK (API 9+)
\n# – \u5b89\u88c5\u5bf9\u5e94\u7684 ArkTS\/JS SDK \u548c Toolchains<\/p>\n
# 3. \u914d\u7f6e\u73af\u5883\u53d8\u91cf (\u4ee5 macOS\/Linux \u4e3a\u4f8b)
\nexport HARMONYOS_SDK_HOME=~\/Library\/Huawei\/Sdk
\nexport PATH=$PATH:$HARMONYOS_SDK_HOME\/toolchains:$HARMONYOS_SDK_HOME\/openharmony
\n# \u628a `ohos` \u547d\u4ee4\u884c\u5de5\u5177\u52a0\u5165 PATH<\/p>\n
2.2 \u6539\u9020 Flutter \u9879\u76ee，\u8ba9\u5b83\u652f\u6301\u9e3f\u8499<\/h4>\n
\u6211\u4eec\u9700\u8981\u628a\u666e\u901a\u7684 Flutter \u9879\u76ee\u6539\u9020\u6210\u652f\u6301\u9e3f\u8499\u7684 \u201c\u6df7\u5408\u5de5\u7a0b\u201d\u3002<\/p>\n
# \u5728\u4f60\u7684 Flutter \u9879\u76ee\u6839\u76ee\u5f55\u6267\u884c
\nflutter create –platforms=ohos .<\/p>\n
# \u6267\u884c\u540e，\u9879\u76ee\u4f1a\u751f\u6210\u6216\u66f4\u65b0\u4e00\u4e2a `ohos\/` \u76ee\u5f55，\u7ed3\u6784\u5927\u6982\u662f\u8fd9\u6837：
\n# ohos\/
\n# \u251c\u2500\u2500 AppScope\/ # \u5e94\u7528\u7ea7\u8d44\u6e90
\n# \u251c\u2500\u2500 entry\/ # \u4e3b\u6a21\u5757，Flutter \u5f15\u64ce\u7684\u5165\u53e3
\n# \u2502 \u251c\u2500\u2500 src\/
\n# \u2502 \u2502 \u2514\u2500\u2500 main\/
\n# \u2502 \u2502 \u251c\u2500\u2500 ets\/
\n# \u2502 \u2502 \u2502 \u251c\u2500\u2500 entryability\/ # Ability \u5165\u53e3（\u7c7b\u4f3c Android \u7684 Activity）
\n# \u2502 \u2502 \u2502 \u2514\u2500\u2500 pages\/ # \u9875\u9762
\n# \u2502 \u2502 \u2514\u2500\u2500 resources\/ # \u6a21\u5757\u8d44\u6e90
\n# \u2502 \u251c\u2500\u2500 build-profile.json5 # \u6a21\u5757\u6784\u5efa\u914d\u7f6e
\n# \u2502 \u2514\u2500\u2500 oh-package.json5 # \u6a21\u5757\u4f9d\u8d56\u58f0\u660e
\n# \u2514\u2500\u2500 build-profile.json5 # \u5de5\u7a0b\u7ea7\u6784\u5efa\u914d\u7f6e<\/p>\n
\u8fd9\u4e2a\u547d\u4ee4\u4f1a\u81ea\u52a8\u914d\u7f6e\u597d Flutter \u5f15\u64ce\u548c\u9e3f\u8499 entry Ability \u4e4b\u95f4\u7684\u6865\u63a5，\u662f\u540e\u9762\u63d2\u4ef6\u5f00\u53d1\u7684\u57fa\u7840\u3002<\/p>\n
\u4e09\u3001\u6838\u5fc3\u6b65\u9aa4：\u7528 ArkTS \u5b9e\u73b0\u9e3f\u8499\u539f\u751f\u4ee3\u7801<\/h3>\n
\u8fd9\u90e8\u5206\u662f\u9002\u914d\u7684\u6838\u5fc3\u3002\u6211\u4eec\u4f1a\u5728 entry \u6a21\u5757\u91cc\u521b\u5efa\u63d2\u4ef6\u7684\u5177\u4f53\u5b9e\u73b0\u3002<\/p>\n
3.1 \u521b\u5efa\u9e3f\u8499\u4fa7\u7684 MethodChannel \u5904\u7406\u5668<\/h4>\n
\u6587\u4ef6\u8def\u5f84：ohos\/entry\/src\/main\/ets\/FlutterUdidPlugin.ets<\/p>\n
\/\/ \u5bfc\u5165\u9e3f\u8499\u7cfb\u7edf\u80fd\u529b\u63a5\u53e3
\nimport deviceInfo from '@ohos.deviceInfo';
\nimport preferences from '@ohos.data.preferences';
\nimport { BusinessError } from '@ohos.base';
\nimport { UIAbilityContext } from '@ohos.abilityKit';<\/p>\n
\/\/ \u5b9a\u4e49\u548c Dart \u7aef\u7ea6\u5b9a\u597d\u7684\u5e38\u91cf
\nconst CHANNEL_NAME = 'com.example.flutter_udid\/udid';
\nconst STORE_KEY = 'flutter_udid';
\nconst PREFERENCE_NAME = 'FlutterUdidStore';<\/p>\n
export class FlutterUdidPlugin {
\n private methodChannel: any; \/\/ \u5b9e\u9645\u5e94\u8be5\u662f Flutter \u5f15\u64ce\u63d0\u4f9b\u7684 MethodChannel \u7c7b\u578b，\u8fd9\u91cc\u5148\u7528 any \u8868\u793a
\n private context: UIAbilityContext;
\n private preferences: preferences.Preferences | null = null;<\/p>\n
\/\/ \u6784\u9020\u51fd\u6570，\u9700\u8981\u4f20\u5165 Ability \u7684\u4e0a\u4e0b\u6587
\n constructor(context: UIAbilityContext) {
\n this.context = context;
\n \/\/ \u6ce8\u610f：\u5982\u4f55\u83b7\u53d6 Flutter \u5f15\u64ce\u7684 MethodChannel \u662f\u4e2a\u6280\u672f\u5173\u952e\u70b9\u3002
\n \/\/ \u901a\u5e38\u9700\u8981\u901a\u8fc7 Flutter \u81ea\u52a8\u751f\u6210\u7684 `FlutterOhosPlugin` \u57fa\u7c7b，\u6216\u8005\u7279\u5b9a\u7684\u6ce8\u518c\u65b9\u5f0f\u6765\u83b7\u53d6\u3002
\n \/\/ \u8fd9\u91cc\u5148\u5047\u8bbe\u6211\u4eec\u80fd\u901a\u8fc7\u4e00\u4e2a\u5168\u5c40\u7684\u63d2\u4ef6\u6ce8\u518c\u8868\u6765\u8bbe\u7f6e\u3002\u5177\u4f53\u96c6\u6210\u65b9\u5f0f\u770b\u4e0b\u6587\u3002
\n }<\/p>\n
\/\/ \u521d\u59cb\u5316\u65b9\u6cd5，Flutter \u5f15\u64ce\u5728\u6ce8\u518c\u63d2\u4ef6\u65f6\u4f1a\u8c03\u7528\u8fd9\u4e2a
\n initialize(methodChannel: any): void {
\n this.methodChannel = methodChannel;
\n this.methodChannel.setMethodCallHandler(this.handleMethodCall.bind(this));
\n this.initPreferences();
\n }<\/p>\n
\/\/ \u5f02\u6b65\u521d\u59cb\u5316\u6301\u4e45\u5316\u5b58\u50a8 Preferences
\n private async initPreferences(): Promise<void> {
\n try {
\n \/\/ \u83b7\u53d6\u5e94\u7528\u6c99\u7bb1\u8def\u5f84\u4e0b\u7684 Preferences \u6587\u4ef6
\n this.preferences = await preferences.getPreferences(this.context, PREFERENCE_NAME);
\n console.info('[FlutterUdidPlugin] Preferences \u521d\u59cb\u5316\u6210\u529f\u3002');
\n } catch (error) {
\n const err: BusinessError = error as BusinessError;
\n console.error(`[FlutterUdidPlugin] \u521d\u59cb\u5316 Preferences \u5931\u8d25: \u9519\u8bef\u7801: ${err.code}, \u4fe1\u606f: ${err.message}`);
\n this.preferences = null;
\n }
\n }<\/p>\n
\/\/ \u6838\u5fc3：\u5904\u7406\u4ece Dart \u7aef\u53d1\u8fc7\u6765\u7684\u65b9\u6cd5\u8c03\u7528
\n private async handleMethodCall(call: any): Promise<any> { \/\/ call.method, call.arguments
\n switch (call.method) {
\n case 'getUDID':
\n return await this.getUdid();
\n default:
\n \/\/ \u6309\u7167 Platform Channel \u7684\u89c4\u8303，\u629b\u51fa\u672a\u5b9e\u73b0\u7684\u5f02\u5e38
\n return Promise.reject({
\n code: 'notImplemented',
\n message: `\u9e3f\u8499\u7aef\u6682\u672a\u5b9e\u73b0\u65b9\u6cd5 ${call.method}\u3002`,
\n details: null
\n });
\n }
\n }<\/p>\n
\/\/ \u83b7\u53d6 UDID \u7684\u6838\u5fc3\u903b\u8f91
\n private async getUdid(): Promise<string> {
\n \/\/ 1. \u5148\u5c1d\u8bd5\u4ece\u6301\u4e45\u5316\u5b58\u50a8\u91cc\u8bfb
\n let storedUdid = await this.readUdidFromStore();
\n if (storedUdid) {
\n return storedUdid;
\n }<\/p>\n
\/\/ 2. \u5b58\u50a8\u91cc\u6ca1\u6709，\u5c31\u751f\u6210\u4e00\u4e2a\u65b0\u7684
\n let newUdid = this.generateFallbackUdid();
\n console.info(`[FlutterUdidPlugin] \u751f\u6210\u4e86\u65b0\u7684 UDID: ${newUdid}`);<\/p>\n
\/\/ 3. \u628a\u65b0\u751f\u6210\u7684 UDID \u5b58\u8d77\u6765
\n const success = await this.saveUdidToStore(newUdid);
\n if (success) {
\n return newUdid;
\n } else {
\n \/\/ \u5982\u679c\u5b58\u5931\u8d25\u4e86，\u8fd8\u662f\u628a\u751f\u6210\u7684 ID \u8fd4\u56de，\u4f46\u8981\u8bb0\u5f55\u9519\u8bef
\n console.error('[FlutterUdidPlugin] \u4fdd\u5b58 UDID \u5230\u5b58\u50a8\u5931\u8d25\u3002');
\n return newUdid; \/\/ \u5177\u4f53\u4e1a\u52a1\u4e0a\u4e5f\u53ef\u4ee5\u8003\u8651\u629b\u51fa\u5f02\u5e38
\n }
\n }<\/p>\n
\/\/ \u4ece Preferences \u91cc\u8bfb\u53d6 UDID
\n private async readUdidFromStore(): Promise<string | null> {
\n if (!this.preferences) {
\n await this.initPreferences();
\n if (!this.preferences) return null;
\n }
\n try {
\n const value = await this.preferences.get(STORE_KEY, '');
\n return value !== '' ? value as string : null;
\n } catch (error) {
\n const err: BusinessError = error as BusinessError;
\n console.error(`[FlutterUdidPlugin] \u8bfb\u53d6 UDID \u5931\u8d25: \u9519\u8bef\u7801: ${err.code}, \u4fe1\u606f: ${err.message}`);
\n return null;
\n }
\n }<\/p>\n
\/\/ \u628a UDID \u4fdd\u5b58\u5230 Preferences
\n private async saveUdidToStore(udid: string): Promise<boolean> {
\n if (!this.preferences) {
\n await this.initPreferences();
\n if (!this.preferences) return false;
\n }
\n try {
\n await this.preferences.put(STORE_KEY, udid);
\n await this.preferences.flush(); \/\/ \u786e\u4fdd\u6570\u636e\u5199\u5230\u78c1\u76d8
\n return true;
\n } catch (error) {
\n const err: BusinessError = error as BusinessError;
\n console.error(`[FlutterUdidPlugin] \u4fdd\u5b58 UDID \u5931\u8d25: \u9519\u8bef\u7801: ${err.code}, \u4fe1\u606f: ${err.message}`);
\n return false;
\n }
\n }<\/p>\n
\/\/ \u751f\u6210\u5907\u7528 UDID \u7684\u7b56\u7565 (\u5148\u5c1d\u8bd5\u62ff\u7cfb\u7edf ID，\u4e0d\u884c\u518d\u751f\u6210\u968f\u673a UUID)
\n private generateFallbackUdid(): string {
\n try {
\n \/\/ \u65b9\u6848 A：\u5c1d\u8bd5\u83b7\u53d6\u7cfb\u7edf\u5b9a\u4e49\u7684 deviceId (\u9700\u8981\u6743\u9650 `ohos.permission.GET_SENSITIVE_PERMISSIONS`)
\n \/\/ \u6ce8\u610f：\u8fd9\u4e2a ID \u53ef\u80fd\u5728\u6e05\u9664\u5e94\u7528\u6570\u636e\u6216\u8bbe\u5907\u91cd\u7f6e\u540e\u53d8\u5316，\u9700\u8981\u8bc4\u4f30\u5176\u552f\u4e00\u6027\u548c\u6301\u4e45\u6027\u3002
\n const networkId = deviceInfo.deviceId;
\n if (networkId && networkId.length > 0) {
\n \/\/ \u53ef\u4ee5\u5bf9\u5b83\u505a\u4e00\u6b21\u54c8\u5e0c\u5904\u7406，\u589e\u52a0\u9690\u79c1\u5b89\u5168\u6027\u548c\u683c\u5f0f\u7edf\u4e00\u6027
\n \/\/ \u6bd4\u5982: return this.hashString(networkId);
\n return `HARMONY_${networkId.substring(0, 8).toUpperCase()}`;
\n }
\n } catch (error) {
\n console.warn('[FlutterUdidPlugin] \u65e0\u6cd5\u83b7\u53d6 deviceId，\u56de\u9000\u5230\u968f\u673a UUID\u3002');
\n }<\/p>\n
\/\/ \u65b9\u6848 B：\u751f\u6210\u968f\u673a UUID (\u7248\u672c4)
\n \/\/ \u8fd9\u662f\u7eaf\u8f6f\u4ef6\u5b9e\u73b0，\u4e0d\u4f9d\u8d56\u786c\u4ef6，\u517c\u5bb9\u6027\u6700\u597d，\u4f46\u5b8c\u5168\u4f9d\u8d56\u672c\u5730\u5b58\u50a8\u7684\u6301\u4e45\u6027\u3002
\n return this.generateV4Uuid();
\n }<\/p>\n
\/\/ \u751f\u6210\u4e00\u4e2a\u7248\u672c4\u7684 UUID
\n private generateV4Uuid(): string {
\n \/\/ \u7b80\u5316\u793a\u4f8b，\u751f\u4ea7\u73af\u5883\u5efa\u8bae\u7528\u66f4\u5065\u58ee\u7684 UUID \u751f\u6210\u7b97\u6cd5
\n const hexDigits = '0123456789abcdef';
\n let uuid = '';
\n for (let i = 0; i < 32; i++) {
\n if (i === 12) {
\n uuid += '4'; \/\/ version 4
\n } else if (i === 16) {
\n uuid += hexDigits[(Math.random() * 4) | 8]; \/\/ variant 10xx
\n } else {
\n uuid += hexDigits[(Math.random() * 16) | 0];
\n }
\n \/\/ \u52a0\u8fde\u5b57\u7b26
\n if (i === 7 || i === 11 || i === 15 || i === 19) {
\n uuid += '-';
\n }
\n }
\n return uuid;
\n }
\n}<\/p>\n
3.2 \u628a\u63d2\u4ef6\u6ce8\u518c\u5230 Flutter \u5f15\u64ce<\/h4>\n
\u6587\u4ef6\u8def\u5f84：ohos\/entry\/src\/main\/ets\/entryability\/EntryAbility.ets<\/p>\n
\u9e3f\u8499\u7684 EntryAbility \u662f\u5e94\u7528\u7684\u5165\u53e3\u70b9\u3002\u6211\u4eec\u9700\u8981\u5728\u8fd9\u91cc\u521d\u59cb\u5316\u548c\u6ce8\u518c\u6211\u4eec\u7684\u63d2\u4ef6\u3002<\/p>\n
import { UIAbility } from '@ohos.abilityKit';
\nimport window from '@ohos.window';
\nimport { FlutterUdidPlugin } from '..\/FlutterUdidPlugin'; \/\/ \u5f15\u5165\u6211\u4eec\u5199\u7684\u63d2\u4ef6\u7c7b
\n\/\/ \u6ce8\u610f：\u4e0b\u9762\u7684\u5bfc\u5165\u8def\u5f84\u548c\u7c7b\u540d\u53d6\u51b3\u4e8e Flutter \u9e3f\u8499\u5f15\u64ce\u6a21\u677f\u7684\u5177\u4f53\u751f\u6210\u5185\u5bb9
\nimport { FlutterOhosPluginRegistrant } from '@ohos\/flutter_engine\/FlutterOhosPluginRegistrant';<\/p>\n
export default class EntryAbility extends UIAbility {
\n private flutterUdidPlugin: FlutterUdidPlugin | null = null;<\/p>\n
onCreate(want, launchParam): void {
\n console.info('[EntryAbility] onCreate');
\n \/\/ 1. \u521d\u59cb\u5316\u63d2\u4ef6\u5b9e\u4f8b
\n this.flutterUdidPlugin = new FlutterUdidPlugin(this.context);<\/p>\n
\/\/ 2. \u5173\u952e\u6b65\u9aa4：\u628a\u63d2\u4ef6\u6ce8\u518c\u5230 Flutter \u5f15\u64ce\u3002
\n \/\/ \u8fd9\u901a\u5e38\u662f\u901a\u8fc7\u4e00\u4e2a\u5168\u5c40\u7684\u63d2\u4ef6\u6ce8\u518c\u51fd\u6570\u5b8c\u6210\u7684\u3002\u5177\u4f53 API \u53ef\u80fd\u968f\u7740 Flutter \u5bf9\u9e3f\u8499\u652f\u6301\u7684\u8fed\u4ee3\u800c\u53d8\u5316\u3002
\n \/\/ \u5047\u8bbe\u5b58\u5728\u4e0b\u9762\u8fd9\u6837\u7684\u6ce8\u518c\u673a\u5236：
\n FlutterOhosPluginRegistrant.registerCustomPlugin((engine) => {
\n \/\/ \u521b\u5efa\u4e00\u4e2a\u548c Dart \u7aef\u540c\u540d\u7684 MethodChannel
\n const channel = new engine.MethodChannel(engine.dartExecutor, 'com.example.flutter_udid\/udid');
\n \/\/ \u628a channel \u4f20\u7ed9\u6211\u4eec\u7684\u63d2\u4ef6\u8fdb\u884c\u521d\u59cb\u5316
\n this.flutterUdidPlugin!.initialize(channel);
\n return this.flutterUdidPlugin;
\n });
\n }<\/p>\n
onWindowStageCreate(windowStage: window.WindowStage): void {
\n console.info('[EntryAbility] onWindowStageCreate');
\n windowStage.loadContent('pages\/Index', (err) => {
\n if (err.code) {
\n console.error(`[EntryAbility] \u52a0\u8f7d\u9875\u9762\u5185\u5bb9\u5931\u8d25\u3002\u9519\u8bef\u7801: ${err.code}, \u4fe1\u606f: ${err.message}`);
\n return;
\n }
\n console.info('[EntryAbility] \u9875\u9762\u5185\u5bb9\u52a0\u8f7d\u6210\u529f\u3002');
\n });
\n }<\/p>\n
onDestroy(): void {
\n console.info('[EntryAbility] onDestroy');
\n this.flutterUdidPlugin = null;
\n }
\n}<\/p>\n
\u91cd\u8981\u8bf4\u660e：\u4e0a\u9762\u8fd9\u79cd\u6ce8\u518c\u65b9\u5f0f (FlutterOhosPluginRegistrant) \u76ee\u524d\u8fd8\u53ea\u662f\u6982\u5ff5\u793a\u610f\u3002Flutter \u5bf9\u9e3f\u8499\u7684\u63d2\u4ef6\u6ce8\u518c\u673a\u5236\u53ef\u80fd\u8fd8\u5728\u5b8c\u5584\u4e2d，\u5b9e\u9645\u5b9e\u73b0\u65f6\u9700\u8981\u53c2\u8003\u6700\u65b0\u7684 Flutter \u5f15\u64ce\u6e90\u7801，\u6216\u8005\u9075\u5faa\u7279\u5b9a\u7684\u63d2\u4ef6\u5f00\u53d1\u6a21\u677f\u3002<\/p>\n
3.3 \u914d\u7f6e\u6a21\u5757\u4f9d\u8d56\u548c\u6743\u9650<\/h4>\n
\u6587\u4ef6\u8def\u5f84：ohos\/entry\/oh-package.json5<\/p>\n
{
\n "license": "MIT",
\n "devDependencies": { },
\n "name": "@ohos\/entry",
\n "description": "Please describe the basic information.",
\n "main": "ets\/entryability\/EntryAbility.ets",
\n "version": "1.0.0",
\n "dependencies": {
\n \/\/ \u786e\u4fdd\u4f9d\u8d56\u4e86 Flutter \u5f15\u64ce\u6a21\u5757
\n "@ohos\/flutter_engine": "file:..\/..\/flutter\/build\/ohos\/engine",
\n "@ohos\/hmos_sdk": "^1.0.0" \/\/ \u6216\u5bf9\u5e94\u7684 SDK \u7248\u672c
\n }
\n}<\/p>\n
\u6587\u4ef6\u8def\u5f84：ohos\/entry\/src\/main\/module.json5<\/p>\n
\u9700\u8981\u5728 module.json5 \u91cc\u58f0\u660e\u63d2\u4ef6\u8981\u7528\u5230\u7684\u7cfb\u7edf\u6743\u9650\u3002<\/p>\n
{
\n "module": {
\n "requestPermissions": [
\n {
\n "name": "ohos.permission.GET_SENSITIVE_PERMISSIONS", \/\/ \u5982\u679c\u9700\u8981\u83b7\u53d6 deviceId \u5c31\u5f97\u7533\u8bf7\u8fd9\u4e2a
\n "reason": "\u7528\u4e8e\u751f\u6210\u66f4\u7a33\u5b9a\u7684\u8bbe\u5907\u552f\u4e00\u6807\u8bc6",
\n "usedScene": {
\n "ability": ["EntryAbility"],
\n "when": "always"
\n }
\n }
\n ]
\n }
\n}<\/p>\n
\u56db\u3001Dart \u4fa7\u4ee3\u7801\u7684\u8c03\u6574\u548c\u5c01\u88c5（\u5efa\u8bae\u505a）<\/h3>\n
\u867d\u7136 flutter_udid \u7684 Dart \u63a5\u53e3\u662f\u6807\u51c6\u7684，\u4f46\u4e3a\u4e86\u66f4\u597d\u7684\u517c\u5bb9\u6027\u548c\u9519\u8bef\u5904\u7406，\u53ef\u4ee5\u4e13\u95e8\u4e3a\u9e3f\u8499\u505a\u4e00\u4e2a\u5305\u88c5\u5c42，\u6216\u8005\u5bf9\u539f\u63d2\u4ef6\u8fdb\u884c\u6761\u4ef6\u5bfc\u5165\u3002<\/p>\n
4.1 \u521b\u5efa\u4e00\u4e2a\u5e73\u53f0\u517c\u5bb9\u5c42<\/h4>\n
\/\/ lib\/harmony_udid.dart
\nimport 'dart:async';
\nimport 'package:flutter\/services.dart';<\/p>\n
class HarmonyUdid {
\n static const MethodChannel _channel =
\n const MethodChannel('com.example.flutter_udid\/udid');<\/p>\n
static Future<String?> get udid async {
\n try {
\n final String? result = await _channel.invokeMethod('getUDID');
\n return result;
\n } on PlatformException catch (e) {
\n print("\u4ece\u9e3f\u8499\u7aef\u83b7\u53d6 UDID \u5931\u8d25: '${e.message}'\u3002");
\n \/\/ \u8fd4\u56de\u4e00\u4e2a\u4e34\u65f6\u7684\u672c\u5730\u751f\u6210 ID（\u4e0d\u6301\u4e45）
\n return _generateLocalFallbackId();
\n } catch (e) {
\n print("\u83b7\u53d6 UDID \u65f6\u53d1\u751f\u610f\u5916\u9519\u8bef: $e");
\n return null;
\n }
\n }<\/p>\n
static String _generateLocalFallbackId() {
\n \/\/ \u4e00\u4e2a\u7b80\u5355\u7684\u672c\u5730\u56de\u9000\u65b9\u6848，\u53ea\u7528\u4e8e\u5f53\u524d\u4f1a\u8bdd
\n return 'harmony_fallback_${DateTime.now().millisecondsSinceEpoch}';
\n }
\n}<\/p>\n
4.2 \u5728\u5e94\u7528\u91cc\u4f7f\u7528<\/h4>\n
import 'package:your_app\/harmony_udid.dart'; \/\/ \u5982\u679c\u539f\u63d2\u4ef6\u5df2\u7ecf\u901a\u8fc7\u6761\u4ef6\u7f16\u8bd1\u652f\u6301\u9e3f\u8499\u4e86，\u4e5f\u53ef\u4ee5\u76f4\u63a5\u7528\u539f\u63d2\u4ef6<\/p>\n
void fetchDeviceId() async {
\n String? deviceUdid = await HarmonyUdid.udid;
\n if (deviceUdid != null) {
\n print('\u5728\u9e3f\u8499\u4e0a\u83b7\u53d6\u5230\u7684\u8bbe\u5907 UDID: $deviceUdid');
\n \/\/ \u7528\u5230\u4f60\u7684\u4e1a\u52a1\u903b\u8f91\u91cc…
\n } else {
\n print('\u6ca1\u80fd\u83b7\u53d6\u5230\u7a33\u5b9a\u7684 UDID\u3002');
\n }
\n}<\/p>\n
\u4e94\u3001\u4e00\u4e9b\u4f18\u5316\u548c\u5b89\u5168\u65b9\u9762\u7684\u8003\u8651<\/h3>\n