I am working in android. i want to show a progress bar.
Progress is based on number of check in persons.
suppose, if number of check in =6 then following should be displayed:-

if number of checkin=10 then this following should be displayed:-

Please tell me how can i manage this RED COLOR BALLOON position according to progress bar position of progress.
you may provide some links for this. Thank you in advance.
 
     
    