onyxsdk-device

Artifact:

com.onyx.android.sdk:onyxsdk-device:1.2.31

Root package:

com.onyx.android.sdk.api.device

Last release:

February 2026

Low-level EPD hardware control. Waveform selection, partial and full screen refreshes, display-hold freezing, front-light brightness, and coordinate mapping between screen space and the digitizer’s native space.

Most classes in this module are hidden APIs and require the hiddenapibypass library to be initialised in Application.attachBaseContext before any class is loaded — see Hidden-API bypass.

Classes

• EpdController
  • Waveform control
  • View update mode
  • Transient and scoped updates
  • Display hold / bypass
  • Handwriting repaint
  • Coordinate mapping
  • CTP (Capacitive Touch Panel) control
• UpdateMode
• UpdateOption
• RefreshType

Class	Responsibility	Package
EpdController	Static EPD display controller: waveform selection, partial/full refreshes, display-hold, coordinate mapping, CTP region management.	…api.device.epd
UpdateMode	Enum of EPD waveforms: GC, A2, DU, REGAL, HAND_WRITING_REPAINT_MODE, and more.	…api.device.epd
UpdateOption	Enum for app-scope refresh mode overrides (NORMAL, FAST, REGAL, …).	…api.device.epd
RefreshType	Enum distinguishing GC refresh variants (NORMAL_GC, DEEP_GC).	…api.device.epd