Building a Custom Verification Code Input Component in HarmonyOS ArkUI

Challenges with Multiple TextInput Components Initial Focus: The system does not automatically determine which input field should receive focus upon initialization. This can be partially resolved by adding .defaultFocus(index == 0) to the first input. Deletion Handling: The onChange event often fails to trigger when a user deletes characters ( ...

Posted on Mon, 28 Sep 2026 16:18:14 +0000 by youknowho