how display and hide image view
<p>if you look at the picture
<a href="http://store3.up-00.com/Nov12/MYo64560.png" rel="nofollow">http://store3.up-00.com/Nov12/MYo64560.png</a></p>

<p>it display a list of student each with calculate button </p>

<p>after click to the calculate button the system will do 
some Calculation if the sum is more than 10 so it display Near to the student 
a red Circle 
else nothing happened 
knowing that i use an adapter</p>

<p>my question how display the image which is in method getview
after do the calcaultion which is in Calculations </p>

<p>also if i think about redCircle change without click i want to change automatically</p>

<p>and thanks</p>
