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out of memory error in android...

desktop_brush = GrabDesktop(Nil,{width=400,height=400,x=x,y=y})
DisplayBrush(desktop_brush,0,0,{scalex=2.0,scaley=2.0,smoothscale=True})

grabdesktop is not working in android, is possible use another instruction for capture a piece of the display?
i tried savesnapshot, but i cannot save the captured image to a virtual file, i save it to my hard disk, and is very slow here

Yes, GrabDesktop() doesn't work on Android because there is no easy way to grab the "desktop" on Android. You can use DisplayBGPicPart() instead, e.g. to copy the display's contents to a brush, just use:
This should do the job.

i try your solution, and doesn´t work, i´m using doublebuffer and i need capture an small part of the whole screen, the only solution that i found is
using savesnapshot, but it´s 10 times slower than grabdesktop, i´m using this code, and i cannot use less of 20000 in the size in bytes of the virtualfile or the image is corrupted

vf$ = DefineVirtualFile("virtual.dat",0, 200000, "image.jpg")
EndIf
SaveSnapshot(vf$,#SNAPDISPLAY,#IMGFMT_JPEG,{quality=60})
LoadBrush(19,vf$)

solved, i use your code, but i need enddoubebuffer first, thanks, all is working fast again