From 53fdd6d3584bfeb31abe8bdd185e25822b88f43b Mon Sep 17 00:00:00 2001
From: lanterngamescn <lanterngamescn@gmail.com>
Date: Sat, 27 Jun 2026 01:43:01 +0800
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横屏游戏外壳下底部导航条（手势指示条）会压在 H5 内容上并拦截点击。
在 onWindowStageCreate 调用 setWindowSystemBarEnable(['status'])：
保留顶部状态栏、隐藏底部导航条，隐藏后避让区更新，H5 内容自动延伸到屏幕底部。

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
---
 .../main/ets/entryability/EntryAbility.ets    | 21 +++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/entry/src/main/ets/entryability/EntryAbility.ets b/entry/src/main/ets/entryability/EntryAbility.ets
index fddd5dc..2bfa6ed 100644
--- a/entry/src/main/ets/entryability/EntryAbility.ets
+++ b/entry/src/main/ets/entryability/EntryAbility.ets
@@ -1,6 +1,7 @@
 import { AbilityConstant, ConfigurationConstant, UIAbility, Want } from '@kit.AbilityKit';
 import { hilog } from '@kit.PerformanceAnalysisKit';
 import { window } from '@kit.ArkUI';
+import { BusinessError } from '@kit.BasicServicesKit';
 import { EventBus } from 'common';
 import { WeChatApi } from 'feature_capabilities';
 import { AppEvents } from '../routes/AppRoutes';
@@ -36,6 +37,10 @@ export default class EntryAbility extends UIAbility {
     // Main window is created, set main page for this ability
     hilog.info(DOMAIN, 'testTag', '%{public}s', 'Ability onWindowStageCreate');
 
+    // 隐藏底部系统手势条（导航条）：横屏游戏外壳下其会遮挡并拦截 H5 底部点击。
+    // 保留顶部状态栏，避免给 H5 顶部内容引入新的避让遮挡。
+    this.hideNavigationBar(windowStage);
+
     windowStage.loadContent('pages/Index', (err) => {
       if (err.code) {
         hilog.error(DOMAIN, 'testTag', 'Failed to load the content. Cause: %{public}s', JSON.stringify(err));
@@ -45,6 +50,22 @@ export default class EntryAbility extends UIAbility {
     });
   }
 
+  /**
+   * 隐藏底部导航条（手势指示条），回收其占用空间给 H5 内容。
+   * setWindowSystemBarEnable 的入参是"需要显示"的系统栏集合：仅传 'status'
+   * → 顶部状态栏保留、底部导航条隐藏。隐藏后避让区更新，内容自动延伸到屏幕底部。
+   */
+  private hideNavigationBar(windowStage: window.WindowStage): void {
+    try {
+      const mainWin: window.Window = windowStage.getMainWindowSync();
+      mainWin.setWindowSystemBarEnable(['status']).catch((e: BusinessError) => {
+        hilog.error(DOMAIN, 'testTag', 'setWindowSystemBarEnable failed: %{public}s', JSON.stringify(e));
+      });
+    } catch (e) {
+      hilog.error(DOMAIN, 'testTag', 'hideNavigationBar threw: %{public}s', JSON.stringify(e));
+    }
+  }
+
   onWindowStageDestroy(): void {
     // Main window is destroyed, release UI related resources
     hilog.info(DOMAIN, 'testTag', '%{public}s', 'Ability onWindowStageDestroy');