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Huawei MatePad Paper stylus annotation — v1

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@plateaukao plateaukao released this 26 Jun 17:41
matepad-paper-v1
7515870

KOReader with stylus annotation (pencil.koplugin) for the Huawei MatePad Paper (HMW-W09, Kirin 820E, arm64), Android 10.

What works

  • Firmware ink (Auto-HandWrite): strokes appear under the pen tip at hardware speed via Huawei's android.eink framework — the same path the built-in Notes app uses. No root required.
  • Persistence: strokes are captured and saved to the book's .sdr sidecar.
  • Eraser: switch to the eraser to delete strokes (firmware ink auto-pauses in eraser mode).
  • No ghosting: the firmware shows the live ink; KOReader does one clean refresh after you pause, instead of a partial refresh per stroke.
  • Long-press picker: hold the pen still on a blank spot to open the pen/eraser toggle + width + color picker. Hold time defaults to 300 ms and is adjustable under Tools → Pencil → "Long-press hold time" (150–1500 ms).

Install

  1. Allow installs from unknown sources, then install the APK below.
  2. Open a book, then Tools → Pencil to enable and configure.

Notes

  • Device-specific build off the supernote_ink branch. Debug-signed; if updating over an existing KOReader signed with a different key, uninstall first.
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