Tagged articles

HDC

2 articles · Page 1 of 1

Aug 6, 2026 · Frontend Development

Building a Professional RGB Color Wheel Picker for HarmonyOS PC with ArkTS

This tutorial walks through creating a high-performance HSV-based color wheel component for HarmonyOS PC using ArkTS and ArkUI, covering mathematical foundations, bidirectional RGB/HSV/Hex synchronization, mouse interaction handling, and on-device verification with DevEco Studio and HDC commands.

ArkTSArkUIDevEco Studio

0 likes · 12 min read

Building a Professional RGB Color Wheel Picker for HarmonyOS PC with ArkTS

Cognitive Technology Team

Sep 20, 2024 · Mobile Development

Bypassing HarmonyOS Secure Keyboard with hdc Command for Simulated Password Input

This article explains how to bypass the secure keyboard restriction in HarmonyOS by using the hdc command to simulate key events, allowing password entry through a custom front‑end keyboard and mapping keycode values to automate input on devices with privacy‑protected screens.

HDCHarmonyOSUI automation

0 likes · 2 min read

Bypassing HarmonyOS Secure Keyboard with hdc Command for Simulated Password Input