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HarmonyOS

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

How to resolve the issue of landscape display when loading network images using the Image component?

How to resolve the issue of landscape display when loading network images using the Image component?

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4 min read
How to read data when an HTTP request returns a JSON file and dataL2 access is successful?

How to read data when an HTTP request returns a JSON file and dataL2 access is successful?

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2 min read
Swipe Speed Detection Using onTouch in ArkTS

Swipe Speed Detection Using onTouch in ArkTS

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2 min read
Conversion of 16 encoded strings to Unit8Array

Conversion of 16 encoded strings to Unit8Array

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1 min read
NAPI Multithreaded Crash Issue

NAPI Multithreaded Crash Issue

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2 min read
How to implement pull-up to refresh animation in HarmonyOS?

How to implement pull-up to refresh animation in HarmonyOS?

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2 min read
Video Audio Playback

Video Audio Playback

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5 min read
How to draw text&signature on top of an image?

How to draw text&signature on top of an image?

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

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

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3 min read
Can the swiper indicator be set to have a scrollable layout outside

Can the swiper indicator be set to have a scrollable layout outside

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2 min read
Get Data from API with RCP in HarmonyOS

Get Data from API with RCP in HarmonyOS

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3 min read
How to Use Interactive Map on Wearable App

How to Use Interactive Map on Wearable App

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3 min read
Using Transient Tasks in HarmonyOS: A DownloadCenter Sample

Using Transient Tasks in HarmonyOS: A DownloadCenter Sample

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5 min read
🔔How to send notifications to user while app is running on background?🔔

🔔How to send notifications to user while app is running on background?🔔

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2 min read
Small Data, Smart Models: Sentiment Analysis in ArkTS with NLP

Small Data, Smart Models: Sentiment Analysis in ArkTS with NLP

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4 min read
Getting Started with ScanKit in HarmonyOS (QR Code Generator)

Getting Started with ScanKit in HarmonyOS (QR Code Generator)

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2 min read
UX Design Principles for HarmonyOS: Circle & Rectangle Watches

UX Design Principles for HarmonyOS: Circle & Rectangle Watches

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2 min read
Performant ArkTS Programming: Best Practices for High-Efficiency Code

Performant ArkTS Programming: Best Practices for High-Efficiency Code

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3 min read
Implementing Pagination with ArkTS Using Remote Communication Kit

Implementing Pagination with ArkTS Using Remote Communication Kit

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3 min read
Understanding ArkTS ArcList: The Go-To Component for Watch UIs

Understanding ArkTS ArcList: The Go-To Component for Watch UIs

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6 min read
DevEco Studio 5.1.0: Build and Run Your First HarmonyOS Wearable App on Huawei Watch 5

DevEco Studio 5.1.0: Build and Run Your First HarmonyOS Wearable App on Huawei Watch 5

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4 min read
HarmonyOS: Building Persistent Tabs Using the Navigation Component

HarmonyOS: Building Persistent Tabs Using the Navigation Component

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5 min read
🧭 Getting Started with Location Kit in HarmonyOS: A Developer’s Guide

🧭 Getting Started with Location Kit in HarmonyOS: A Developer’s Guide

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2 min read
ArkTS Coding Style Guide: Writing Clean, Readable, and Efficient Code

ArkTS Coding Style Guide: Writing Clean, Readable, and Efficient Code

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3 min read
State Management V2 in ArkTS : Observing Class Property Changes

State Management V2 in ArkTS : Observing Class Property Changes

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3 min read
ArkTS Concurrency Guide 2025 Async Programming with Promises and Await (Part 1)

ArkTS Concurrency Guide 2025 Async Programming with Promises and Await (Part 1)

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4 min read
Running & Debugging HarmonyOS Apps on Huawei Watches: A Complete Setup Guide for Developers

Running & Debugging HarmonyOS Apps on Huawei Watches: A Complete Setup Guide for Developers

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6 min read
[Smart Watch] [Open Test] How can users resubscribe to open test invitations after unsubscribing from the emails?

[Smart Watch] [Open Test] How can users resubscribe to open test invitations after unsubscribing from the emails?

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1 min read
[Smart Watch] [API 6] How to resolve the issue of a white screen appearing when loading a webpage in a webview?

[Smart Watch] [API 6] How to resolve the issue of a white screen appearing when loading a webpage in a webview?

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1 min read
[Sports Watch] [API 6] Error occurs when calling Context.requestPermissionsFromUser to obtain heart rate permissions.

[Sports Watch] [API 6] Error occurs when calling Context.requestPermissionsFromUser to obtain heart rate permissions.

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1 min read
@abner refresh How to show No more data when there is no data at the bottom

@abner refresh How to show No more data when there is no data at the bottom

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1 min read
[Smart Watch] [API 6] Smart Watch Background Keepalive Solution_Java

[Smart Watch] [API 6] Smart Watch Background Keepalive Solution_Java

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4 min read
How to Establish a Classic Bluetooth Connection Using the Virtual MAC Address of a Connected BLE Bluetooth Device?

How to Establish a Classic Bluetooth Connection Using the Virtual MAC Address of a Connected BLE Bluetooth Device?

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5 min read
How to resolve crashes when reading the width of video files in the gallery

How to resolve crashes when reading the width of video files in the gallery

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2 min read
How to Resolve Data Inconsistency Between Parent and Child Components

How to Resolve Data Inconsistency Between Parent and Child Components

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3 min read
How to Resolve the Issue of Inconsistent Length of SM2 Encrypted Text in National Cryptography Standards

How to Resolve the Issue of Inconsistent Length of SM2 Encrypted Text in National Cryptography Standards

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4 min read
How to Solve the Issue of Page Not Refreshing When Using @State to Decorate Object Arrays and Data Changes

How to Solve the Issue of Page Not Refreshing When Using @State to Decorate Object Arrays and Data Changes

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6 min read
Ripple animation effect

Ripple animation effect

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3 min read
SM4 Encryption-Decryption CTR Block Mode Fails with IVParamsSpec Parameter.

SM4 Encryption-Decryption CTR Block Mode Fails with IVParamsSpec Parameter.

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2 min read
Persisting User Preferences with ArkData

Persisting User Preferences with ArkData

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3 min read
Usage of Asset Store Kit

Usage of Asset Store Kit

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4 min read
[DEBUG] When the device is connected to the computer system, a warning box pops up: ew_usbccgpfilter.sys driver cannot be loaded

[DEBUG] When the device is connected to the computer system, a warning box pops up: ew_usbccgpfilter.sys driver cannot be loaded

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1 min read
[Invitation test] How can I solve the problem that the connection cannot be installed?

[Invitation test] How can I solve the problem that the connection cannot be installed?

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2 min read
How to handle database handle resource overload exceptions?

How to handle database handle resource overload exceptions?

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2 min read
[Smart & Sports Watch] How to Resolve the Conflict Between Swiper Right Swipe and System Exiting the App in API 6 JS?

[Smart & Sports Watch] How to Resolve the Conflict Between Swiper Right Swipe and System Exiting the App in API 6 JS?

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1 min read
[Smart Watch] [API 12] After defining data types in a single frame, the system always prompts 'Structural typing is not ...'

[Smart Watch] [API 12] After defining data types in a single frame, the system always prompts 'Structural typing is not ...'

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1 min read
[Smart Watch] [API 6] How Do I Access the Application Settings Page for a Dual-Framework Smart Watch to Adjust Permissions ...

[Smart Watch] [API 6] How Do I Access the Application Settings Page for a Dual-Framework Smart Watch to Adjust Permissions ...

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1 min read
[Smart Watch] [API 6] How do I use JS to set the right swipe to exit on my wearable device?

[Smart Watch] [API 6] How do I use JS to set the right swipe to exit on my wearable device?

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2 min read
[Smart Watch] [API 6] How does a smartwatch monitor incoming call status, ongoing calls, and call endings?

[Smart Watch] [API 6] How does a smartwatch monitor incoming call status, ongoing calls, and call endings?

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1 min read
[Smart Watch] [API 6] How to resolve the issue of a white screen appearing when loading a webpage in a webview?

[Smart Watch] [API 6] How to resolve the issue of a white screen appearing when loading a webpage in a webview?

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1 min read
[Smart Watch] [API 6] Smart Watch Background Keepalive Solution_Java

[Smart Watch] [API 6] Smart Watch Background Keepalive Solution_Java

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4 min read
[Smart Watch] [API 6] Smartwatch Wi-Fi debugging

[Smart Watch] [API 6] Smartwatch Wi-Fi debugging

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2 min read
[Smart Watch] [API 6] The app icon for the service center is not in the form of small eyelashes.

[Smart Watch] [API 6] The app icon for the service center is not in the form of small eyelashes.

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2 min read
[Smart Watch] [API 6] The Failure [INSTALL_EXTRA_FAILED_UPDATE_INCOMPATIBLE] error occurs during running or debugging.

[Smart Watch] [API 6] The Failure [INSTALL_EXTRA_FAILED_UPDATE_INCOMPATIBLE] error occurs during running or debugging.

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1 min read
[Smart Watch] [API 6] The Failure[ERROR_BUNDLE_PATH_OR_FILE] error occurs during running or debugging.

[Smart Watch] [API 6] The Failure[ERROR_BUNDLE_PATH_OR_FILE] error occurs during running or debugging.

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2 min read
[Smart Watch] [API 6] The input component of the JS is bound to a variable. After content is entered, the obtained...

[Smart Watch] [API 6] The input component of the JS is bound to a variable. After content is entered, the obtained...

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1 min read
[Smart Watch] [API 6] The smartwatch navigates to the settings interface?

[Smart Watch] [API 6] The smartwatch navigates to the settings interface?

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1 min read
[Smart Watch] [API 6] The Watch 3 Pro New cannot install apps from unknown sources, which hinders development and ...

[Smart Watch] [API 6] The Watch 3 Pro New cannot install apps from unknown sources, which hinders development and ...

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1 min read
[Smart Watch] [API 6] When installing a watch app, it prompts with 'code:9568257 error: fail to verify pkcs7 file.'

[Smart Watch] [API 6] When installing a watch app, it prompts with 'code:9568257 error: fail to verify pkcs7 file.'

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1 min read
[Smart Watch][API 6]When uploading an app package to the app market, a verification prompt indicates inconsistent permissions...

[Smart Watch][API 6]When uploading an app package to the app market, a verification prompt indicates inconsistent permissions...

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1 min read
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