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HarmonyOS

Delivering HarmonyOS development technologies, focusing on APIs and components, DevEco Studio, testing, atomic services and applications listing and distribution.

Joined Joined on  Personal website https://forums.developer.huawei.com/forumPortal/en/forum/harmony?ha_source=dev-shequ&ha_sourceId=890
How does TextInput listen to the delete operation on the keyboard?
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How does TextInput listen to the delete operation on the keyboard?

#harmonyos #arkts #textinput #keyboarddeleteevent
Comments
3 min read
How to resolve the IPv6 network connection error 'code': 2301101
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How to resolve the IPv6 network connection error 'code': 2301101

#harmonyos #ipv6connection #tcpsocket #networkerror
Comments
3 min read
Obtaining Real-time Audio Volume During Capture in HarmonyOS for Fluctuating Effects
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Obtaining Real-time Audio Volume During Capture in HarmonyOS for Fluctuating Effects

#harmonyos #audiocapturer #realtimeaudiovolume #arkts
Comments
2 min read
It takes a long time for the location service to obtain location information
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It takes a long time for the location service to obtain location information

#harmonyos #locationservice #arkts #gnsspositioning
Comments
1 min read
Development Setup Design: Structuring Build Variants for Multi-Device HarmonyOS Applications
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Development Setup Design: Structuring Build Variants for Multi-Device HarmonyOS Applications

#harmonyos #buildvariants #multidevicedevelopment #arkts
Comments
4 min read
Obtaining HAP Package Build Time
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Obtaining HAP Package Build Time

#harmonyos #happackage #buildtime #hvigorplugin
Comments
2 min read
How to solve the problem that the cloud side cannot decrypt after using the HMACSHA1 algorithm to encrypt ArkTS
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How to solve the problem that the cloud side cannot decrypt after using the HMACSHA1 algorithm to encrypt ArkTS

#harmonyos #crosslanguageencryption #arkts #integeroverflow
Comments
3 min read
How to Back Up a Relational Database in a Specified Folder?
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How to Back Up a Relational Database in a Specified Folder?

#harmonyos #relationaldatabase #datapersistence #documentviewpicker
Comments
2 min read
Understanding Huawei Wear Engine Capability Scopes and What Each Permission Does and Why It Matters
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Understanding Huawei Wear Engine Capability Scopes and What Each Permission Does and Why It Matters

#harmonyos #wearablesdk #capabilityscopes #huaweiwearables
Comments
4 min read
RichEditor Obtains Image Information From ImageSpan
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RichEditor Obtains Image Information From ImageSpan

#harmonyos #richeditorcomponent #imagespanresource #rawfilefolder
Comments
2 min read
How to Implement an Automatically Scrolling List Using the List Component
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How to Implement an Automatically Scrolling List Using the List Component

#harmonyos #listautoscroll #infinitelooplist #lazyforeach
Comments
6 min read
How can I make the Badge component work when clicking the grayed-out area and when using a button?
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How can I make the Badge component work when clicking the grayed-out area and when using a button?

#harmonyos #badgecomponent #buttonclickevent #clickareaissue
Comments
2 min read
Rotating the verification code effect
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Rotating the verification code effect

#harmonyos #rotateverificationcode #touchrotationcontrol #ontouchevent
Comments
3 min read
How to implement a text carousel card (or text slideshow card)?
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How to implement a text carousel card (or text slideshow card)?

#harmonyos #arkui #textcarouselanimation #scrollercontroller
Comments
2 min read
Choose an item from the random and navigate to another page
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Choose an item from the random and navigate to another page

#harmonyos #randomdataselection #pagerouterparams #arkuirouter
Comments
2 min read
Common Errors in Configuring useNormalizedOHMUrl to true Mode
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Common Errors in Configuring useNormalizedOHMUrl to true Mode

#harmonyos #strictmode #usenormalizedohmurl #moduleimporterror
Comments
2 min read
How to Solve the Issue of XComponent Failing to Trigger Touch Events
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How to Solve the Issue of XComponent Failing to Trigger Touch Events

#harmonyos #xcomponent #librarynameparameter #surfacerendering
Comments
2 min read
How to solve the problem that seamless transition cannot be implemented in cross-page video playback scenarios?
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How to solve the problem that seamless transition cannot be implemented in cross-page video playback scenarios?

#harmonyos #seamlessplaybacktransition #dynamicsurfaceswitching #avplayer
Comments
2 min read
How to implement RDB and protect it with encryption?
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How to implement RDB and protect it with encryption?

#harmonyos #encryptedrdb #relationalstore #databaseencryption
Comments
3 min read
What are the differences between the upload and download functions of @ohos.request and RCP?
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What are the differences between the upload and download functions of @ohos.request and RCP?

#harmonyos #fileupload #resumabledownload #ohosrequest
Comments
1 min read
How to use Java ByteBuffer in Arkts
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How to use Java ByteBuffer in Arkts

#harmonyos #typescript #javabytebuffer #dataview
Comments
1 min read
Audio transcoding and format conversion
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Audio transcoding and format conversion

#harmonyos #audiotranscoding #avcodec #containerformatconversion
Comments
4 min read
Video Auido Playback
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Video Auido Playback

#harmonyos #arkui #videocomponentissues #setcurrenttime
Comments
4 min read
Design Architecture for Seamless Data Synchronization Between Phone and Wearable via Wear Engine
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Design Architecture for Seamless Data Synchronization Between Phone and Wearable via Wear Engine

#harmonyos #wearengine #crossdevicedatasynchronization #idempotentsync
Comments
4 min read
Add Text to the Circular Slider of a Toggle
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Add Text to the Circular Slider of a Toggle

#harmonyos #arkui #togglecomponentcustomization #contentmodifier
Comments
2 min read
Image Component Causes Lag When Loading Images
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Image Component Causes Lag When Loading Images

#harmonyos #arkui #listcomponentimagescrollinglag #sourcesize
Comments
2 min read
App Package Formats to Release in AppGallery
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App Package Formats to Release in AppGallery

#harmonyos #appdistribution #quickapp #huaweiappgallery
Comments
1 min read
Error occurred while compiling and building the library module: "Property 'xxxxx' of exported class expression may not be private or protected"
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Error occurred while compiling and building the library module: "Property 'xxxxx' of exported class expression may not be private or protected"

#harmonyos #arkts #accessmodifiers #librarymodulebuilderror
Comments
2 min read
How to Solve the Issue of Some Dividers Not Displaying in the List Component
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How to Solve the Issue of Some Dividers Not Displaying in the List Component

#harmonyos #arkui #dividercomponent #strokewidth
Comments
3 min read
How does a relational database store and access BigInt type data?
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How does a relational database store and access BigInt type data?

#harmonyos #relationaldatabase #bigintdatatype #unlimitedint
Comments
3 min read
Calculate text pagination data
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Calculate text pagination data

#harmonyos #textpaginationcalculation #arkui #measuretextsize
Comments
4 min read
How to generate ArkTSDoc documentation in DevEco Studio?
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How to generate ArkTSDoc documentation in DevEco Studio?

#harmonyos #devecostudio #arktsdocgeneration #apidocumentation
Comments
1 min read
Web component monitors page loading progress
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Web component monitors page loading progress

#harmonyos #progresscomponent #onprogresschangecallback #arkweb
Comments
2 min read
Using Flex layout to expand and collapse subitems
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Using Flex layout to expand and collapse subitems

#harmonyos #arkui #flexlayout #collapseitems
Comments
5 min read
How to reuse the same subwindow in different locations on multiple pages
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How to reuse the same subwindow in different locations on multiple pages

#harmonyos #subwindowreusability #createsubwindowapi #movewindowto
Comments
4 min read
How to resolve the issue of onPageShow callback not working?
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How to resolve the issue of onPageShow callback not working?

#harmonyos #arkui #onpageshowcallback #customcomponentlifecycle
Comments
2 min read
How to resolve the issue of application cache not being completely cleared?
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How to resolve the issue of application cache not being completely cleared?

#harmonyos #appcachecleanup #storagestatistics #filedeletion
Comments
3 min read
How to open a semi-modal pop-up window by dragging
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How to open a semi-modal pop-up window by dragging

#harmonyos #arkui #draggesturetrigger #pangesture
Comments
2 min read
How to Display the Page of a Specified Index in Swiper?
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How to Display the Page of a Specified Index in Swiper?

#harmonyos #arkui #swipercomponent #initialindex
Comments
2 min read
How does ArkWeb load the real URL page based on the data returned by the asynchronous request?
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How does ArkWeb load the real URL page based on the data returned by the asynchronous request?

#harmonyos #arkweb #webviewcontroller #oncontrollerattached
Comments
2 min read
Compilation fails when using @Styles to decorate properties with the same name in a single HAP
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Compilation fails when using @Styles to decorate properties with the same name in a single HAP

#harmonyos #arkui #stylesdecorator #happackagebuild
Comments
2 min read
Single and Dual Frame WearEngine Development Guide
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Single and Dual Frame WearEngine Development Guide

#harmonyos #wearengine #wearablesmartphone #p2pmessaging
Comments
4 min read
Grid Item Drag and Move with Auto-Scroll Functionality
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Grid Item Drag and Move with Auto-Scroll Functionality

#harmonyos #listdraganddrop #onmoveattribute #arkui
Comments
2 min read
How to Solve TextInput Input Restriction Abnormality Issues
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How to Solve TextInput Input Restriction Abnormality Issues

#harmonyos #arkui #textinputcomponent #inputvalidation
Comments
2 min read
Dynamically display different pages based on whether the web page is loaded successfully
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Dynamically display different pages based on whether the web page is loaded successfully

#harmonyos #arkweb #webviewcomponent #onerrorreceive
Comments
2 min read
Best Practice Design for Pre-Release Validation and Testing Before AppGallery Submission
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Best Practice Design for Pre-Release Validation and Testing Before AppGallery Submission

#harmonyos #appgallerysubmission #prereleasevalidation #performancetesting
Comments
2 min read
How to Write Effective Release Notes
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How to Write Effective Release Notes

#harmonyos #releasenotes #semanticversioning #changemanagement
Comments
2 min read
Creating and Managing Build Variants in DevEco Studio Projects
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Creating and Managing Build Variants in DevEco Studio Projects

#harmonyos #buildvariants #environmentconfiguration #devecostudio
Comments
3 min read
How to Obtain Key Logs for Compilation and Build Issues
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How to Obtain Key Logs for Compilation and Build Issues

#harmonyos #devecostudio #buildtroubleshooting #idecompilationerrors
Comments
4 min read
Expanding the Clickable Area of Image Components with responseRegion and Container Wrapping
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Expanding the Clickable Area of Image Components with responseRegion and Container Wrapping

#harmonyos #arkui #responseregion #imagecomponent
Comments
6 min read
Keeping a bindSheet Semi-Modal Page Visible When the Host Component Is Hidden
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Keeping a bindSheet Semi-Modal Page Visible When the Host Component Is Hidden

#harmonyos #arkui #bindsheet #componentvisibility
Comments
5 min read
Differences and application scenarios of HAR, HSP, and HAP files
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Differences and application scenarios of HAR, HSP, and HAP files

#harmonyos #sharedpackages #apppackaging #hapvsharvshsp
Comments
8 min read
Best Practice Design for Handling Source and Asset Changes Across Build Variants
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Best Practice Design for Handling Source and Asset Changes Across Build Variants

#harmonyos #multivariantbuild #resourcemanagement #conditionalcompilation
Comments
4 min read
In Release mode, objects cannot use the Object.attribute method to access attributes
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In Release mode, objects cannot use the Object.attribute method to access attributes

#harmonyos #codeobfuscation #devecostudio #obfuscationhelper
Comments
3 min read
Implementing Environment Switching in HarmonyOS ArkTS with Build Modes
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Implementing Environment Switching in HarmonyOS ArkTS with Build Modes

#harmonyos #buildmodes #environmentconfiguration #arkts
Comments
3 min read
Description of Wearable Device Networking Capabilities
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Description of Wearable Device Networking Capabilities

#harmonyos #wearabledevicenetworking #btproxy #huaweihealthapp
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2 min read
Introduction to Certificates, Profiles, and App Signing
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Introduction to Certificates, Profiles, and App Signing

#harmonyos #appgalleryconnect #provisioningprofile #certificatesigningrequest
Comments
4 min read
How to Create a new app in AppGallery Connect
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How to Create a new app in AppGallery Connect

#harmonyos #appgalleryconnect #harmonyosappsetup #agcprojectconfiguration
Comments
3 min read
Notification issues on GT 5 watches updated to HarmonyOS 6 and HarmonyOS 6 GT6 watches
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Notification issues on GT 5 watches updated to HarmonyOS 6 and HarmonyOS 6 GT6 watches

#harmonyos #notificationtroubleshooting #bluetoothconnection #huaweiwatchnotifications
Comments
3 min read
DevEco Studio 5.1 .hap Signing Failure Analysis and Solution Guide
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DevEco Studio 5.1 .hap Signing Failure Analysis and Solution Guide

#harmonyos #devecostudio #hapsigningfailure #signingconfiguration
Comments
3 min read
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