Android :: Create Shaded Mesh In Opengles

In my application I'm trying to create a mesh that is shaded by a single directional light. The problem I'm facing is that I can't seem to get the light to take my normals into account at all.

It works fine if I set the normals on a per-triangle-strip basis, but if I try to render a series of triangles with normals set using the glNormalPointer method the entire mesh is rendered using the same color (which is identical to the result I'm getting if I skip calling glNormalPointer all together).

My mesh render method looks like this:

code:.............................