Canvas->BeginScene(); TPointF a(wt,0); TPointF centr(wt,ht); Image1->Canvas->DrawLine(a,centr,100); Canvas->EndScene(); 

When compiling for a computer, it normally displays a drawing, and when compiled for an android, there is no drawing. radstudio c ++ builder (fmx)

    1 answer 1

    On Android, it is necessary to determine the parameters of the brush and so on before drawing, the default is defined in Windows, but not in Android, so you have drawing with undefined parameters as it should, just invisible colors)