android - How to get the element data type of an Allocation in RenderScript? -

android - How to get the element data type of an Allocation in RenderScript? -

for example, created allocation

allocation alloc = allocation.createtyped(mrs, anotheralloc.gettype());

then, want know info type of elements in alloc. however, when phone call alloc.getelement().getdatatype(), returns null. right way this?

android renderscript