HarmonyOS - DEV Community

HarmonyOS

Apr 7

Status bar color changes when entering and exiting the app

#harmonyos #statusbar #windowsystembar #setwindowsystembarproperties

1 min read

HarmonyOS

Apr 7

Managing Background Tasks with Deferred Tasks

#harmonyos #deferredtasks #backgroundtasks #workschedulerextensionability

5 min read

HarmonyOS

Apr 7

How to store a function in LocalStorage?

#harmonyos #localstorage #functionstorage #classencapsulation

1 min read

HarmonyOS

Apr 6

Safe Database Initialization and Access in Multi-Threaded Mode

#harmonyos #relationalstore #getrdbstore #multithreading

1

2 min read

HarmonyOS

Apr 6

How to make the soft keyboard pop up to enter numbers?

#harmonyos #textinputcomponent #numericsoftkeyboard #arkts

1

1 min read

HarmonyOS

Apr 6

Highlighting Keywords and Consecutive Numbers in Search Results

#harmonyos #keywordhighlighting #regex #arkts

1

2 min read

HarmonyOS

Apr 3

How to Recreate a MapCircle on Location Change in HarmonyOS Wearable Devices?

#harmonyos #wearabledevelopment #mapcircle #mapkit

1

6 min read

HarmonyOS

Apr 3

How can geofencing be implemented on HarmonyOS wearable devices without using GNSS?

#harmonyos #wearabledevelopment #geofencing #mapkit

1

7 min read

HarmonyOS

Apr 3

When using @State to modify a singleton instance, the UI cannot be refreshed.

#harmonyos #singletonclass #appstorage #uirefreshissue

1

2 min read

HarmonyOS

Apr 2

Turning off system settings will cause the vibration rules set by the vibrator module to become ineffective.

#harmonyos #vibrationsystemsettings #hapticfeedback #vibrationapi

1

2 min read

HarmonyOS

Apr 2

How to Limit the Number of Lines Displayed for the Placeholder Property of the RichEditor Component?

#harmonyos #richeditorcomponent #placeholdercustomization #textlinelimitation

1

2 min read

HarmonyOS

Apr 2

Add sliding gesture listener to Swiper

#harmonyos #swipercomponent #onanimationstart #arkts

1

3 min read

HarmonyOS

Apr 1

Why does @Observed stop working after assigning JSON data from a server

#harmonyos #reactivityissues #classtransformer #arkts

3 min read

HarmonyOS

Apr 1

How to Handle Dynamic bundleName in shortcuts_config.json

#harmonyos #dynamicbundlename #hvigor #shortcutsconfigjson

1 min read

HarmonyOS

Apr 1

How to Add Bottom Margin to a List Inside a Refresh Component

#harmonyos #refreshcomponent #listcomponent #arkts

2 min read

HarmonyOS

Mar 31

Detecting the End of Navigation Pop Animation

#harmonyos #navpathstack #navigationanimation #arkts

1

1 min read

HarmonyOS

Mar 31

Random Number Generation with Math API

#harmonyos #mathapi #randomnumbergenerator #timer

1

2 min read

HarmonyOS

Mar 31

How to implement Pagination using Remote Communication Kit?

#harmonyos #remotecommunicationkit #pagination #arkts

1

2 min read

HarmonyOS

Mar 30

HarmonyOS Vibration Integration using Sensor Service Kit with ArkTS

#harmonyos #sensorservicekit #vibratorapi #hapticfeedback

1

2 min read

HarmonyOS

Mar 30

Text Component Setting Decorative Line Transparent Color Does Not Take Effect

#harmonyos #textcomponent #textdecorationline #transparentcolorissue

1

2 min read

HarmonyOS

Mar 30

RichEditor sets content to adapt to width

#harmonyos #richeditorcomponent #dynamicwidthadjustment #layoutcalculation

1

2 min read

HarmonyOS

Mar 27

How to enable automatic playback of the next episode in a video

#harmonyos #videocomponent #autoplayvideo #devecostudio

1

2 min read

HarmonyOS

Mar 27

Custom component intercepts the scrolling of the parent component.

#harmonyos #scrollcomponent #gestureinterception #toucheventhandling

1

3 min read

HarmonyOS

Mar 27

Integrating Modules from Other Projects into a Project

#harmonyos #hsp #localmoduledependency #relativepathconfiguration

1

2 min read

HarmonyOS

Mar 26

Inline Text Highlighting Style Implementation

#harmonyos #arkuitexthighlighting #spancomponent #mutablestyledstring

1

4 min read

HarmonyOS

Mar 26

HarmonyOS provides multiple network request frameworks, including RCP (Remote Communication Kit), HTTP/HTTPS in Network Kit……

#harmonyosnetworkrequest #harmonyos #rcp #axiosforharmonyos

1

2 min read

HarmonyOS

Mar 26

Handling Exceptions When Calculating SHA-256 or MD5 Hash for Empty String

#harmonyos #cryptoframework #sha256emptystringhash #md5emptydatadigest

1

2 min read

HarmonyOS

Mar 25

How to Resolve the Issue of getContext Returning Undefined for Context Object ?

#harmonyos #uiabilitycontext #entryabilitycontext #preferences

1

3 min read

HarmonyOS

Mar 25

Web Resource Interception and Customizing Page Responses

#harmonyos #arkwebkit #webresourceinterception #oninterceptrequest

1

3 min read

HarmonyOS

Mar 25

After the location permission is turned off, how can I turn it back on in one step within the app?

#harmonyos #locationpermissions #preciselocationauthorization #backgroundlocation

1

5 min read

HarmonyOS

Mar 24

Implementing User-Authenticated Access to Secrets with Asset Store Service

#harmonyos #assetstoreservice #securesecretstorage #userauthentication

1

4 min read

HarmonyOS

Mar 24

Enable Continuous Battery Monitoring with Background Notifications

#harmonyos #wearableappdevelopment #backgroundbatterymonitoring #backgroundtaskskit

1

4 min read

HarmonyOS

Mar 24

Meta-service card data transmission

#harmonyos #metaservicecard #formprovider #updateform

1

2 min read

HarmonyOS

Mar 23

Emitter UI refresh failure issue

#harmonyos #emitter #statemanagement #uirefresh

3 min read

HarmonyOS

Mar 23

How to solve the problem that the soft keyboard cannot be automatically pulled up when entering the RichEditor component page?

#harmonyos #richeditorcomponent #softkeyboardautopopup #defaultfocus

2 min read

HarmonyOS

Mar 23

How can developers can automatically restart a HarmonyOS app after clearing all app data?

#harmonyos #apprecoveryapi #apprestartafterdataclear #clearupapplicationdata

2 min read

HarmonyOS

Mar 20

How to Implement a Pattern Password Lock?

#harmonyos #arkts #patternlockimplementation #patternlockcomponent

1

4 min read

HarmonyOS

Mar 20

How to display inconsistent text heights of ListItem in the same row according to the maximum height?

#harmonyos #arkts #listitemequalheight #flexcontainerstretch

1

2 min read

HarmonyOS

Mar 20

How to obtain the local machine's IP address

#harmonyos #getlocalipaddress #wifimanager #netconnection

1

2 min read

HarmonyOS

Mar 19

After using replacePath for navigation, how to carry data back to the previous page in the stack?

#harmonyos #navpathstack #replacepathdatapassing #pagenavigationdatareturn

1

4 min read

HarmonyOS

Mar 19

Implement dynamic gradient background using property animation and color transition.

#harmonyos #dynamicgradient #arkts #lineargradient

1

2 min read

HarmonyOS

Mar 19

How to pass the image obtained after taking a screenshot of a component to other components

#harmonyos #componentsnapshot #customdialog #arkts

1

2 min read

HarmonyOS

Mar 18

How to Disable the Swiper component's transition

#harmonyos #swiper #arkui #pangesture

1

2 min read

HarmonyOS

Mar 18

Designing a Two-Segment Toggle with Color Swap in HarmonyOS

#harmonyos #twosegment #colorswap #arkui

1

3 min read

HarmonyOS

Mar 18

How to resolve the issue of images not being displayed when setting drawImage under the Canvas component ?

#harmonyos #canvas #drawimage #resourcemanager

1

4 min read

HarmonyOS

Mar 17

Implementing child components to adapt to the height of the tallest child component

#harmonyos #equalheight #childcomponents #onareachange

1

3 min read

HarmonyOS

Mar 17

Inline Gradient Chips in HarmonyOS: CustomSpan, Text Wrapper, and ImageSpan Approaches

#harmonyos #customspan #lineargradient #inlinetext

1

4 min read

HarmonyOS

Mar 17

Fixing “Install Failed: code:9568347 – install parse native so failed” for a HarmonyOS Native (C++) Project

#harmonyos #arkui #nativedevelopment #installfailed

1

4 min read

HarmonyOS

Mar 16

Per-Tab Immersive Status Bar and Programmatic TabBar Hiding with ArkUI Tabs

#arkui #arkts #tabs #expandsafearea

1

3 min read

HarmonyOS

Mar 16

Listening to Scroll in ArkUI Web: Global Scroll & Bottom Detection with onScroll - onOverScroll

#harmonyos #arkui #webview #scrolldetection

1

2 min read

HarmonyOS

Mar 16

Customizable “Toast-like” Notification via openCustomDialog (Font Size & Panel Size)

#arkts #harmonyos #opencustomdialog #customtoast

1

2 min read

HarmonyOS

Mar 13

Building an SM4 Encryption-Decryption Utility in ArkTS (SM4_128, PKCS7, CBC & GCM Tips)

#harmonyos #arkts #sm4 #cryptography

4 min read

HarmonyOS

Mar 13

SaveButton: How Do I Locate the Problem that the Media Gallery Is Not Refreshed in Real Time?

#harmonyos #savebutton #medialibrary #imagepacker

4 min read

HarmonyOS

Mar 13

Differences Between the getContext and getHostContext Methods

#harmonyos #harmonyoscontext #gethostcontext #getcontext

2 min read

HarmonyOS

Mar 12

Designing a Secure Token Vault on HarmonyOS Wearable Using Asset Store Service

#harmonyos #assetstoreservice #securestorage #typescript

5 min read

HarmonyOS

Mar 12

Insecure Data Exposure Due to AES-ECB Mode Usage

#harmonyos #aesencryption #cryptography #ecbmode

2 min read

HarmonyOS

Mar 12

Incompatible Encryption Algorithm Between App and Backend

#harmonyos #cryptokit #aesencryptionmismatch #invalidciphertextexception

2 min read

HarmonyOS

Mar 11

how to solve the problem that the position of the dragged subcomponent will shift to both sides?

#harmonyos #arkts #listcomponentdrag #gesturegroup

2 min read

HarmonyOS

Mar 11

App works on other watches, fails on Watch 5 RTS

#harmonyos #wearengine #wearableappcommunication #huaweiwatch5compatibility

1 min read

HarmonyOS

Mar 11

How to Solve the Issue of TextArea's Default Placeholder Overlapping with Newly Entered Text

#harmonyos #textareacomponent #customplaceholder #scrollsynchronization

4 min read

HarmonyOS Community