修复大厅启动页→H5"白闪+二次显示 splash":启动图覆盖层上移到根层
现象:大厅资源下载完成、splash 进度满后,进入 H5 前先闪一下白屏、又重新 显示一次 splash 背景图,才进 H5(真机 nova 14 复现)。 根因:原启动图视觉随 SplashPage 渲染,replacePathByName 切到 BridgeGameContainer 时,旧页销毁与新页 Web 首帧之间存在导航空隙(白闪); 而 BridgeGameContainer 自带的大厅 cover 又在切换后重新挂载,看起来像"第二次 splash"。两者皆因视觉绑定在会被切换/重建的页面上、与时序耦合。 修法(H5 零改动,纯原生): - 启动图 + 金色进度条整体上移到 Index 根层 Stack 覆盖层,由 AppStorage KEY_SPLASH_VISIBLE 控制,从 app 启动持续显示到大厅首帧上屏(onPageEnd)才撤。 - SplashPage 退化为纯启动逻辑载体(透明 NavDestination),仅把进度/文案/ 阻断写入 AppStorage 供根层覆盖层呈现。 - BridgeGameContainer 移除自带大厅 cover,onPageEnd 置 splashVisible=false。 SplashPage→BridgeGameContainer 的页面切换由此发生在常驻覆盖层之下,时序无关, 彻底消除导航空隙白闪与二次 splash,大厅就绪即直接显示 H5。 Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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co-authored by
Claude Opus 4.8
parent
0425123465
commit
db206068c0
@@ -1,27 +1,18 @@
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import { common } from '@kit.AbilityKit';
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import { StartupOrchestrator, StartupResult, StartupStage } from 'domain_resource';
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import { RouteName, BridgeGameParams } from '../routes/AppRoutes';
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import { KEY_SPLASH_VISIBLE, KEY_SPLASH_PERCENT, KEY_SPLASH_LABEL, KEY_SPLASH_BLOCKED } from './Index';
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/**
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* 启动引导页(对应 weclomeactivity1,框架 §4/§8.1)。
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* 进入即跑 StartupOrchestrator(本地配置→远程配置→资源准备→app_data 注入),
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* 完成后 replace 进大厅容器;被 showmessage 阻断时弹公告。
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* 启动引导页(对应 weclomeactivity1,框架 §4/§8.1)——**纯启动逻辑载体,无可见 UI**。
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* 进入即跑 StartupOrchestrator(本地配置→远程配置→资源准备→app_data 注入),进度/文案/阻断写入
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* AppStorage,由 Index 根层启动页覆盖层统一呈现;完成后 replace 进大厅容器(覆盖层在大厅首帧后撤)。
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*
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* 启动时序:系统启动窗用透明 startWindowIcon($media:start_window_blank) + 白底 →
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* **纯白屏**;随后本页淡入全屏启动图 launch_image(白底 + 金色 logo)。系统窗无 logo,
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* 故不存在"两套资源比例不一致"问题。覆盖层文字用品牌 navy(白底可见),进度条金色,
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* 展示当前阶段中文文案。
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* 视觉放在 Index 根层而非本页:使 splash→大厅的页面切换发生在覆盖层之下,彻底消除导航空隙白闪。
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*/
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@Component
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export struct SplashPage {
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pathStack: NavPathStack = new NavPathStack();
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@State private stage: StartupStage = StartupStage.INIT;
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@State private percent: number = 0;
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@State private blocked: string = '';
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// 品牌色(取自 logo):navy 文字 + 金色进度
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private static readonly NAVY: string = '#1B2A4A';
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private static readonly GOLD: string = '#D2A312';
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aboutToAppear(): void {
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this.runStartup();
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@@ -30,26 +21,27 @@ export struct SplashPage {
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private async runStartup(): Promise<void> {
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const ctx: common.UIAbilityContext = this.getUIContext().getHostContext() as common.UIAbilityContext;
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const orchestrator = new StartupOrchestrator(ctx, (stage: StartupStage, percent: number) => {
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this.stage = stage;
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this.percent = percent;
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AppStorage.setOrCreate(KEY_SPLASH_PERCENT, percent);
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AppStorage.setOrCreate(KEY_SPLASH_LABEL, SplashPage.stageLabel(stage, percent));
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});
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try {
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const result: StartupResult = await orchestrator.run();
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if (result.enter) {
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// 切到大厅:保持 splashVisible=true,根层覆盖层持续盖住,由大厅首帧 onPageEnd 撤除。
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const params: BridgeGameParams = { entryUrl: result.entryUrl, launchType: '0' };
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this.pathStack.replacePathByName(RouteName.BRIDGE_GAME, params, false);
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} else {
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this.blocked = result.message;
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AppStorage.setOrCreate(KEY_SPLASH_BLOCKED, result.message);
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}
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} catch (e) {
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const err = e as Error;
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this.blocked = `启动失败:${err.message}`;
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AppStorage.setOrCreate(KEY_SPLASH_BLOCKED, `启动失败:${err.message}`);
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}
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}
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/** 阶段 → 用户可读中文文案(PREPARE_RESOURCE 按进度区分"准备资源/下载更新")。 */
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private stageLabel(): string {
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switch (this.stage) {
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private static stageLabel(stage: StartupStage, percent: number): string {
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switch (stage) {
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case StartupStage.INIT:
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return '正在启动…';
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case StartupStage.LOAD_LOCAL_CONFIG:
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@@ -62,7 +54,7 @@ export struct SplashPage {
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return '检测升级版本…';
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case StartupStage.PREPARE_RESOURCE:
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// 35% 为内置资源准备;55%~85% 为远程 zip 下载
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return this.percent >= 55 ? '正在下载更新…' : '准备游戏资源…';
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return percent >= 55 ? '正在下载更新…' : '准备游戏资源…';
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case StartupStage.INJECT_APP_DATA:
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return '即将进入大厅…';
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case StartupStage.ENTER_HALL:
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@@ -73,52 +65,10 @@ export struct SplashPage {
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}
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build() {
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// 视觉由 Index 根层启动页覆盖层呈现;本页仅承载启动逻辑(透明、无内容)
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NavDestination() {
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Stack() {
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// 全屏启动图(白底 + 金色 logo)
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Image($r('app.media.launch_image'))
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.width('100%')
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.height('100%')
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.objectFit(ImageFit.Cover)
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// 启动进度/公告叠加在底部(深色文字,白底可见)
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Column({ space: 14 }) {
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if (this.blocked === '') {
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Progress({ value: this.percent, total: 100, type: ProgressType.Linear })
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.width('56%')
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.color(SplashPage.GOLD)
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.backgroundColor('#E6E6E6')
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// 阶段提示文字放在进度条下方
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Row({ space: 8 }) {
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LoadingProgress()
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.width(20)
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.height(20)
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.color(SplashPage.GOLD)
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Text(`${this.stageLabel()} ${this.percent}%`)
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.fontSize(15)
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.fontColor(SplashPage.NAVY)
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}
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} else {
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Text(this.blocked)
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.fontSize(16)
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.fontColor(SplashPage.NAVY)
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.textAlign(TextAlign.Center)
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.backgroundColor('rgba(255,255,255,0.9)')
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.borderRadius(8)
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.padding(14)
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.margin({ left: 24, right: 24 })
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}
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}
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.width('100%')
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.height('100%')
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.justifyContent(FlexAlign.End)
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// 横屏(auto_rotation_landscape)下屏幕"高"为短边,过大的底边距会把进度块顶进居中 logo。
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// 以底部为基准只留一小段间距,使进度/文字落在 logo 下方的空白带、贴近底部(系统手势条由安全区自动避让)。
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.padding({ bottom: 24 })
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}
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.width('100%')
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.height('100%')
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.backgroundColor(Color.White)
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}
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.hideTitleBar(true)
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.backgroundColor(Color.Transparent)
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}
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}
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