colors - Android Camera Parameter

hi trying capture images in black , white, while searching google notice android camera has parameter mono effect.

i used this:

parameters param = camera.getparameters(); param.setcoloreffect(camera.parameters.effect_whiteboard); cameraobject.setparameters(param);

but there problem, not black , white, there grey tones also, want 2 colors ! black , white ! there way it? how?

thanks alot in advance !

i have found it

if has better/faster solution please tell me :)

thanks alot

EXIT