Created empty tecla-as project.
Added SimpleOverlay class.
Added HighlightBoundsView class.
Created TeclaAccessibilityOverlay class.
Created TeclaAccessibilityService class.
Set parameters of the Tecla accessibility overlay.
Created a layout file and declared two bounds in TeclaAccessibilityOverlay for scanning.
Add static methods in Tecla Accessibility Overlay to remove and update nodes.
Set thicker highlight.
Set up TeclaAccessibilityOverlay in TeclaAccessibilityService.
Set up code for testing 6-switch access.
Added code to observe nodes.  Attempted to highlight parent window.
Fixing bugs for logging nodes.
Add Accessibility Service xml file.
Adding code for directional control.
Hacking accessibility node tree structure  ...
Changed layout to Relative Layout.  It corrected the highlight bounds problem.
Implemented an algorithm to queue scan windows and items.
Corrected algorithm for enqueuing scan nodes. Commented direction control.
Changed variable types to ArrayList for tracking scan windows and scan nodes.