Jul 22, 2026 · Mobile Development

Publish HarmonyOS Libraries to OpenHarmony: DevEcoCli & DevEcoCode Complete Workflow

This guide demonstrates the complete six-step workflow for developing and publishing HarmonyOS third-party libraries to the OpenHarmony central repository using DevEcoCli and DevEcoCode, covering account setup, RSA key configuration, HAR module creation, oh-package.json5 requirements, release-mode building, and ohpm publishing with troubleshooting tips.

ArkTSDevEcoCliHarmonyOS

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Publish HarmonyOS Libraries to OpenHarmony: DevEcoCli & DevEcoCode Complete Workflow

HarmonyOS Developer Technology

Mar 2, 2026 · Mobile Development

HarmonyOS Compilation Optimization: Config Tweaks That Cut Build Time from 24 to 14 Minutes

This article details practical HarmonyOS compilation optimizations — unified lockfiles, boosted extraction, disabled JS intermediate output, and skipped lib compression — that reduced full builds from 24 to 14 minutes and incremental builds from 4 to 2.5 minutes on a 3-million-line ArkTS codebase.

ArkTSDevEco StudioHarmonyOS

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HarmonyOS Compilation Optimization: Config Tweaks That Cut Build Time from 24 to 14 Minutes