rAdafruitRGBMatrix is a wrapper for: https://github.com/adafruit/RGB-matrix-Panel
Example:
Note that you need to add a reference to rAdafruitGFX as well.
Example:
B4X:
Sub Process_Globals
Public Serial1 As Serial
Private matrix As RGBmatrixPanel
End Sub
Private Sub AppStart
Serial1.Initialize(115200)
Log("AppStart")
Dim p As Pin 'ignore
matrix.Initialize32(p.A0, p.A1, p.A2, p.A3, 11, 10, 9, False, 64)
matrix.FillScreen(matrix.Color333(7, 0, 0))
matrix.GFX.DrawCircle(5, 5, 3, matrix.Color333(0, 0, 7), True)
Log(matrix.GFX.Width, " x ", matrix.GFX.Height)
matrix.UpdateDisplay 'not sure if required or not
End Sub
Note that you need to add a reference to rAdafruitGFX as well.