Get associated image (Drawable) in ImageView android

Question

I have set an image to an ImageView control in android:

iv.setImageResource(R.drawable.image1);

I want to get this associated Drawab

Answer 1

if ((holder.fav.getDrawable().getConstantState()) == context.getResources().getDrawable(R.drawable.star_blank).getConstantState() ) {

  holder.fav.setImageDrawable(context.getResources().getDrawable(R.drawable.star_fill));

// comparison is true
} 

//getConstantState() is the key