image processing - How can i work with Android EffectFactory Class? -

i tired develop sample application image processing, in app need add color effects (grayscale, sepia) on bitmap referred developer documents doc 1 , doc 2, in document there no practical examples, need know whether can add vintage,sepia color effects using class, 1 guide me please, in advance.

update:

i tried this,

private effectcontext meffectcontext;  bitmap b1 = bitmapfactory.decoderesource(getresources(),                         r.drawable.sample); effectfactory effectfactory = meffectcontext.getfactory();                 effect meffect = effectfactory                         .createeffect(effectfactory.effect_sepia); 

now how can set meffect bitmap?

try:

effect meffect= effectfactory.createeffect(effectfactory.effect_sepia); 

then use glsurfaceview show rendered effects, here example of need