【HarmonyOS NEXT】设备显示白屏 syswarning happended in XXX
作者：GeorgeGcs
- 2025-03-24 上海
本文字数：3169 字
阅读完需：约 10 分钟
【HarmonyOS NEXT】设备显示白屏 syswarning happended in XXX
一、问题背景：
运行启动鸿蒙应用项目，设备显示白屏，IDE 左下角提示 syswarning happended in XXX 设备名。
点击 Jump to Log 提示如下：
Device info:HUAWEI Mate 60 ProBuild info:ALN-AL00 5.0.0.115(SP6C00E11)Fingerprint:15d8cca67efbe7c67f21f8523f3a7b36c0d47b8ceee0d8f987Module name:com.test.basedemoVersion:1.0.0Foreground:YesPid:28940Uid:20020001Reason:WINDOW_EXCEPTION_DETECTIONsyswarning: WINDOW_EXCEPTION_DETECTION WINDOW_EXCEPTION_DETECTION at 2025020DisplayPowerInfo:powerState:AWAKE>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>DOMAIN:WINDOWMANAGERSTRINGID:WINDOW_EXCEPTION_DETECTIONTIMESTAMP:2025/02/07PID:28940UID:20020001PACKAGE_NAME:PROCESS_NAME:*******************************************start time: 2025/02/07DOMAIN = WINDOWMANAGEREVENTNAME = WINDOW_EXCEPTION_DETECTIONTIMESTAMP = 2025/02/07PID = 28940UID = 20020001TID = 28940PACKAGE_NAME = PROCESS_NAME = eventLog_action = cmd:weventLog_interval = 300MSG = SetUIContent timeout uid: 20020001, windowName: basedemo0, bundleName: com.test.basedemo
catcher cmd: hidumper -s WindowManagerService -a -a
-------------------------------[ability]-------------------------------
----------------------------------WindowManagerService-----------------------------------------------------------------------ScreenGroup 0-------------------------------------WindowName DisplayId Pid WinId Type Mode Flag ZOrd Orientation [ x y w h ] [ OffsetX OffsetY ] [ ScaleX ScaleY PivotX PivotY ]SCBScenePanel1 0 3143 3 2109 1 0 100 0 [ 0 0 1260 2720 ] [ 0 0 ] [ 1 1 0.5 0.5 ]BackgroundBlurView2 0 3143 4 2109 1 0 101 0 [ 0 0 1260 2720 ] [ 0 0 ] [ 1 1 0.5 0.5 ]SCBWallpaper3 0 3143 5 2000 1 0 1 0 [ 0 0 1260 2720 ] [ 0 0 ] [ 1 1 0.5 0.5 ]SCBDesktop4 0 3143 7 2001 1 0 2 0 [ 0 0 1260 2720 ] [ 0 0 ] [ 1 1 0.5 0.5 ]SCBGestureNavBar15 0 3143 18 2111 1 0 2200 0 [ 0 2577 1260 143 ] [ 0 0 ] [ 1 1 0.5 0.5 ]SCBStatusBar16 0 3143 19 2108 1 0 2202 0 [ 0 0 1260 123 ] [ 0 0 ] [ 1 1 0.5 0.5 ]SCBGestureBack20 0 3143 23 2111 1 0 4101 0 [ 0 0 1260 2720 ] [ 0 0 ] [ 1 1 0.5 0.5 ]SCBFormCenter24 0 3143 27 2135 1 0 2002 0 [ 0 0 1260 2720 ] [ 0 0 ] [ 1 1 0.5 0.5 ]basedemo0 0 28940 79 1 1 0 102 0 [ 0 0 1260 2720 ] [ 0 0 ] [ 1 1 0.5 0.5 ]---------------------------------------------------------------------------------------SCBNegativeScreen5 0 3143 8 2126 1 0 -1 0 [ 0 0 1260 2720 ] [ 0 0 ] [ 1 1 0 0 ]SCBGlobalSearch6 0 3143 9 2125 1 0 -1 0 [ 0 0 1260 2720 ] [ 0 0 ] [ 1 1 0.5 0.5 ]GuidanceDialogScene7 0 3143 10 2109 1 0 -1 0 [ 0 0 1260 2720 ] [ 0 0 ] [ 1 1 0 0 ]SCBBannerNotificatio 0 3143 11 2106 1 0 -1 0 [ 0 0 1260 2720 ] [ 0 0 ] [ 1 1 0 0 ]BannerOrLiveManager9 0 3143 12 2109 1 0 -1 0 [ 0 0 0 0 ] [ 0 0 ] [ 1 1 0 0 ]SCBGestureTopBar10 0 3143 13 2111 1 0 -1 0 [ 0 0 1260 123 ] [ 0 0 ] [ 1 1 0.5 0.5 ]SCBSysDialogDefault1 0 3143 14 2104 1 0 -1 0 [ 0 0 1260 2720 ] [ 0 0 ] [ 1 1 0.5 0.5 ]SCBScreenLockBouncer 0 3143 15 2110 1 0 -1 0 [ 0 0 1260 2720 ] [ 0 0 ] [ 1 1 0.5 0.5 ]SCBScreenLock13 0 3143 16 2110 1 0 -1 0 [ 0 0 1260 2720 ] [ 0 0 ] [ 1 1 0.5 0.5 ]SCBSystemTopPanel14 0 3143 17 2111 1 0 -1 0 [ 0 0 1260 2720 ] [ 0 0 ] [ 1 1 0.5 0.5 ]SCBDropdownPanel17 0 3143 20 2109 1 0 -1 0 [ 0 0 1260 2720 ] [ 0 0 ] [ 1 1 0 0 ]SCBSysDialogUpper18 0 3143 21 2111 1 0 -1 0 [ 0 0 1260 2720 ] [ 0 0 ] [ 1 1 0.5 0.5 ]SCBVolumePanel19 0 3143 22 2111 1 0 -1 0 [ 0 0 1260 2720 ] [ 0 0 ] [ 1 1 0 0 ]SCBSpacedGesture21 0 3143 24 2135 1 0 -1 0 [ 0 0 1260 2720 ] [ 0 0 ] [ 1 1 0 0 ]SCBSideEdgeBar22 0 3143 25 2135 1 0 -1 0 [ 0 312 1260 338 ] [ 0 0 ] [ 1 1 0.5 0.5 ]SCBPrivacyIndicator2 0 3143 26 2127 1 0 -1 0 [ 0 0 1260 2720 ] [ 0 0 ] [ 1 1 0 0 ]softKeyboard1 0 3640 28 2105 102 0 -1 0 [ 0 1700 1260 874 ] [ 0 0 ] [ 1 1 0.5 0.5 ]SCBKeyboardPanel 0 3143 29 2134 1 0 -1 0 [ 0 1700 1260 1020 ] [ 0 0 ] [ 1 1 0.5 0.5 ]SCBKeyboardDialog25 0 3143 38 2106 1 0 -1 0 [ 0 0 0 0 ] [ 0 0 ] [ 1 1 0 0 ]Focus window: 79Total window num: 32
Catcher log total time is 90ms
复制代码
二、解决方案
方案一：该问题是因为启动页没有注册导致，需要在路由表中添加路径（resources - base - profile - main_pages ）
添加完成后，重新同步项目，启动即可正常加载。
方案二：创建页面时，通过右键 New - Page 进行创建，IDE 会自动加入到路由表中。
划线
评论
复制
发布于: 刚刚阅读数: 3
版权声明: 本文为 InfoQ 作者【GeorgeGcs】的原创文章。
原文链接:【http://xie.infoq.cn/article/8703a7091d41b7bee4971c713】。文章转载请联系作者。
GeorgeGcs
关注
路漫漫其修远兮，吾将上下而求索。 2024-12-24 加入
历经腾讯，宝马，研究所，金融。 待过私企，外企，央企。 深耕大应用开发领域十年。 OpenHarmony，HarmonyOS，Flutter，H5，Android，IOS。 目前任职鸿蒙应用架构师。 HarmonyOS官方认证创作先锋
评论