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CustomKeyboardEngine TODO

Priority 1: Critical / Core Functionality

  • Ensure safe operation if no code / label / icon are set for key (defensive null handling).
  • JSON settings file: Implement custom values for certain constants that can be overridden.
  • JSON setting for horizontal and vertical touch correction offsets.

Priority 2: High / User Experience

  • Implement snippet templates (declared in snippets.json file).
  • Implement layouts-swipes and declare 4 types of swipes across the keyboard (up, down, left, right).
  • Add link to https://github.com/roalyr/CustomKeyboardEngine-layouts-language into main activity and documentation.
  • JSON setting to define dark/bright theme and accent color and key rounding (until full-feature themes are implemented).

Priority 3: Medium / Feature Enhancements

  • Implement emoji picker.
  • Implement different popups for errors vs warnings (visual distinction).
  • Implement unification in SVG icon sizes, introduce icon size overrides per-key.
  • Implement pop-up rows inflation for additional symbols (popupShortPress and popupLongPress attributes).
  • Provide multiple layout variants within single JSON (e.g., narrow 7-row and wide 3-row), with dedicated keycode for switching variants.

Priority 4: Low / Future Features

  • Implement vertical shrinking of the floating window (if useful).
  • Add keyColor, keyLabelColor, keySmallLabelColor, keyIconColor Key attributes for per-key color override.
  • Implement UTF-8 symbol picker (iterate through range and render symbols).
  • Implement manual folder backup to archive (export layouts).
  • JSON themes (separate theme files to be referenced by settings).

Priority 5: Research / Investigation

  • Implement basic file viewer and .json text editor (filter out all other files and folders).
  • Investigate drawable loading from external storage.
  • Investigate accessing drawables from OS resources.
  • Investigate possibility to make a touchpad-emulating key (useful in wide landscape layout).
  • Investigate double-floating (mirrored translation and scale) split layout.
  • Investigate implementing built-in spell checker integration.

Completed (1.2.x)

  • Notification messages added instead of SAF.
  • Copy documentation .txt file to working folder.
  • Better control over default keyboard layouts copying (make it manual from main activity).
  • Make logical key size larger and key gap absolute. Row and Key gap defaults = 0.
  • Better key gap management: keyGap and rowGap - logical grid gaps, rendered key gaps should not affect touch detection.
  • Rendered gaps - absolute offsets.
  • Implement clipboard.
  • Refine default keyboards.
  • Implement a list of drawable key icons with documentation and fail-safety for icon loading.
  • Add key icon color value and make all icons #FFFFFFFF.