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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
The download link cannot display the file name due to security reasons. How to obtain the actual file name during the ...
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The download link cannot display the file name due to security reasons. How to obtain the actual file name during the ...

#harmonyos #filedownload #downloadinfo #requestdownloadfile
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2 min read
Resolving Country Code Matching Issues for Corporate Contact Phone Numbers
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Resolving Country Code Matching Issues for Corporate Contact Phone Numbers

#harmonyos #onquerycallerinfo #phonenumberstandardization #callservicekit
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2 min read
Profile File Parsing and bundleName Validation Methods
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Profile File Parsing and bundleName Validation Methods

#harmonyos #profilefile #bundlename #bundlevalidation
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2 min read
How to solve the problem of low efficiency of low-power Bluetooth connection when there are a large number of Bluetooth devices?
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How to solve the problem of low efficiency of low-power Bluetooth connection when there are a large number of Bluetooth devices?

#harmonyos #ble #scanfilter #bleconnectionoptimization
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3 min read
How does HarmonyOS prevent packet capture?
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How does HarmonyOS prevent packet capture?

#harmonyos #antisniffing #httpssecurity #certificatepinning
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4 min read
DrawingRenderingContext draws an image how the graphics are filled in?
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DrawingRenderingContext draws an image how the graphics are filled in?

#harmonyos #drawingrenderingcontext #canvas #customfill
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3 min read
How to Achieve Elastic Distance at the Edge of Swiper Control
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How to Achieve Elastic Distance at the Edge of Swiper Control

#harmonyos #swipercomponent #overscrollcustomization #pangesture
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2 min read
Starting and Stopping Vibration
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Starting and Stopping Vibration

#harmonyos #vibratorservicekit #vibrationapi #wearabledevelopment
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2 min read
The differences and applicable scenarios of PersistentStorage, Preferences, key-value databases, and relational databases
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The differences and applicable scenarios of PersistentStorage, Preferences, key-value databases, and relational databases

#harmonyos #persistentstorage #preferences #relationalstore
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5 min read
After the page redirects, the status bar is not avoided.
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After the page redirects, the status bar is not avoided.

#harmonyos #statusbaravoidance #safearea #pagenavigation
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4 min read
How to solve the problem that background applications cannot receive server messages?
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How to solve the problem that background applications cannot receive server messages?

#harmonyos #websocket #backgroundrunning #longtermtask
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3 min read
How to solve the problem of weather data query failure?
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How to solve the problem of weather data query failure?

#harmonyos #weatherservicekit #appgalleryconnect #apitroubleshooting
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2 min read
Pulse Ring with ArkUI Animator
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Pulse Ring with ArkUI Animator

#harmonyos #arkts #wearabledevelopment #uianimation
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3 min read
P2P Communication Between HMOS Phone and HarmonyOS Wearable (FA + Stage Model) Device - Technical Guide
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P2P Communication Between HMOS Phone and HarmonyOS Wearable (FA + Stage Model) Device - Technical Guide

#harmonyos #wearenginesdk #p2pcommunication #wearabledevicedevelopment
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9 min read
P2P Communication Between Android and HarmonyOS Wearable (FA + Stage Model) Device - Technical Guide
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P2P Communication Between Android and HarmonyOS Wearable (FA + Stage Model) Device - Technical Guide

#harmonyos #wearenginesdk #p2pcommunication #wearabledevicedevelopment
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14 min read
How to Customize App Builds in DevEco Studio
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How to Customize App Builds in DevEco Studio

#harmonyos #devecostudio #multiproductbuild #buildconfiguration
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4 min read
Lifecycle of Web Components
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Lifecycle of Web Components

#harmonyos #arkts #webcomponents #lifecyclecallbacks
3
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8 min read
ArkGuard Source Code Obfuscation
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ArkGuard Source Code Obfuscation

#harmonyos #arkguard #codeobfuscation #devecostudio
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8 min read
Tabs component preloading
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Tabs component preloading

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3 min read
How to solve the problem that the progress status of the audio playback control notification bar does not update
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How to solve the problem that the progress status of the audio playback control notification bar does not update

#harmonyos #avsessionmanager #audioplaybacknotification #backgroundtaskskit
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3 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 #arkts #hmacsha1 #crosslanguageencryption
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3 min read
How to implement a pop-up window prompt function when the application window is uninteractive for a specified time
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How to implement a pop-up window prompt function when the application window is uninteractive for a specified time

#harmonyos #arkts #idletimeoutdetection #alertdialog
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3 min read
How to generate DH keys
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How to generate DH keys

#harmonyos #cryptoarchitecturekit #diffiehellman #keypairgeneration
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3 min read
How to solve the problem of repeatedly pulling up the input method when switching the input box?
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How to solve the problem of repeatedly pulling up the input method when switching the input box?

#harmonyos #arkts #textinput #keyboardinteraction
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2 min read
Map does not display.
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Map does not display.

#harmonyos #harmonyosmapkit #agcconfiguration #locationpermissions
1
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2 min read
ListItemGroup cannot use the ternary operator.
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ListItemGroup cannot use the ternary operator.

#harmonyos #arkts #listitemgroup #ternaryoperator
1
Comments
2 min read
How to Get Full Screen Dimensions for Responsive Design on HarmonyOS (ArkTS) Wearables using ohos.display?
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How to Get Full Screen Dimensions for Responsive Design on HarmonyOS (ArkTS) Wearables using ohos.display?

#harmonyos #wearabledeviceui #responsiveuidesign #screendimensiondetection
1
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4 min read
How to connect another device by using TCP Socket?
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How to connect another device by using TCP Socket?

#harmonyos #tcpsocket #networkkit #smartwatch
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3 min read
How can relational functional tables be created with RDB Store?
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How can relational functional tables be created with RDB Store?

#harmonyos #rdbstore #relationaldatabase #localpersistentstorage
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7 min read
How can different types of data be transferred over a Network Socket?
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How can different types of data be transferred over a Network Socket?

#harmonyos #tcpsocket #networkkit #wearabledevice
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8 min read
NFC HCE Service Not Triggered When Tag Is Detected
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NFC HCE Service Not Triggered When Tag Is Detected

#harmonyos #nfchce #hostcardemulation #aidconfiguration
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2 min read
Why do we need viewmodel in ArkTs?
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Why do we need viewmodel in ArkTs?

#harmonyos #viewmodel #separationofconcerns #statemanagement
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2 min read
Session-Based Symmetric Key Generation with CryptoKit
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Session-Based Symmetric Key Generation with CryptoKit

#harmonyos #cryptoarchitecturekit #symmetrickey #sessionkey
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3 min read
Building a Persistent Dark Mode in HarmonyOS with ArkTS Preferences
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Building a Persistent Dark Mode in HarmonyOS with ArkTS Preferences

#harmonyos #preferencesapi #persistentstorage #keyvaluestorage
1
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3 min read
Tabs index persistent storage problem
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Tabs index persistent storage problem

#harmonyos #tabscomponent #userpreferences #persistentstorage
1
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3 min read
Creating a drawable area with canvas
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Creating a drawable area with canvas

#harmonyos #canvas #freehanddrawing #touchevents
1
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3 min read
Continuous Location Tracking with Geofence Alerts
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Continuous Location Tracking with Geofence Alerts

#harmonyos #geofence #continuouslocationtracking #geolocationmanager
1
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3 min read
The state variable of ArrayList type cannot trigger UI rendering refresh after being changed.
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The state variable of ArrayList type cannot trigger UI rendering refresh after being changed.

#harmonyos #arraylist #uirefresh #reactivearray
1
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3 min read
The List sub-component displays items in sequence with animations.
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The List sub-component displays items in sequence with animations.

#harmonyos #listcomponent #chainedanimation #sequentialanimation
1
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3 min read
How to resolve the error of obtaining text before the cursor ?
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How to resolve the error of obtaining text before the cursor ?

#harmonyos #inputmethodengine #getforwardsync #cursortextretrieval
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3 min read
How to persistently store object-type data on a hard drive using PersistentStorage
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How to persistently store object-type data on a hard drive using PersistentStorage

#harmonyos #persistentstorage #objectpersistence #jsonserialization
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4 min read
How to obtain the return value after executing an asynchronous method with runJavaScript ?
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How to obtain the return value after executing an asynchronous method with runJavaScript ?

#harmonyos #runjavascript #webcomponents #asynchronousjavascript
1
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3 min read
How to Intercept Multiple Rapid Click Events in Components ?
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How to Intercept Multiple Rapid Click Events in Components ?

#harmonyos #debounce #throttle #preventmultipleclicks
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2 min read
How to determine whether the route comes from Navigation or router on the target page?
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How to determine whether the route comes from Navigation or router on the target page?

#harmonyos #navigation #router #routesourceidentification
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2 min read
How to Align Different Font Sizes at the Bottom ?
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How to Align Different Font Sizes at the Bottom ?

#harmonyos #flexlayout #bottomalignment #textalignment
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3 min read
How Do I Close a Specified Pop-up Window When OpenCustomDialog Is Used?
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How Do I Close a Specified Pop-up Window When OpenCustomDialog Is Used?

#harmonyos #opencustomdialog #closecustomdialog #customdialog
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3 min read
What are the differences between an APP package and an HAP?
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What are the differences between an APP package and an HAP?

#harmonyos #hap #apppackage #harmonyosdevelopment
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2 min read
What is the difference between this and $ in HarmonyOS development?
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What is the difference between this and $ in HarmonyOS development?

#harmonyos #arkui #twowaybinding #statemanagement
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2 min read
Using emitter to implement hot start page jump
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Using emitter to implement hot start page jump

#harmonyos #appcardnavigation #hotstart #eventhub
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2 min read
How to solve the manual signature issue
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How to solve the manual signature issue

#harmonyos #manualsigning #digitalcertificate #profilefile
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2 min read
What is the Crypto Architecture Kit?
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What is the Crypto Architecture Kit?

#cryptoarchitecturekit #encryptiondecryption #digitalsignature #harmonyos
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2 min read
What are the Open Capabilities of Huawei Wear Engine SDK?
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What are the Open Capabilities of Huawei Wear Engine SDK?

#huaweiwearengine #wearableintegration #crossdevicecommunication #harmonyos
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2 min read
Troubleshooting guide for the missing AGC page menu or error message when clicking the menu
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Troubleshooting guide for the missing AGC page menu or error message when clicking the menu

#appgalleryconnect #agcpermissions #rolemanagement #harmonyos
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4 min read
Differences and Usage Scenarios of HAR, HSP, and HAP
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Differences and Usage Scenarios of HAR, HSP, and HAP

#harmonyos #hap #hsp #modulardevelopment
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10 min read
How to make the Swiper component switch to the previous element instead of the first one when deleting data?
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How to make the Swiper component switch to the previous element instead of the first one when deleting data?

#harmonyos #arkts #swipercomponent #swipercontroller
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3 min read
How to implement an eye protection mode that supports sliding to adjust the intensity of eye protection?
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How to implement an eye protection mode that supports sliding to adjust the intensity of eye protection?

#harmonyos #arkts #eyeprotectionmode #canvasfilter
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2 min read
How to Prevent Dialog from Closing When Sliding Sideways
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How to Prevent Dialog from Closing When Sliding Sideways

#harmonyos #customdialogcontroller #dialoggesture #swipetodismiss
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2 min read
Font Size Manager Utility for Accessibility
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Font Size Manager Utility for Accessibility

#harmonyos #a11y #fontsizemanagement #screenreader
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2 min read
Audio Description Manager
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Audio Description Manager

#harmonyos #a11y #audiodescription #visualimpairment
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3 min read
How to Listen for Live View Timer Countdown Completion and Close the Live View
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How to Listen for Live View Timer Countdown Completion and Close the Live View

#harmonyos #liveview #countdowntimer #timercompletion
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2 min read
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