title: How to apply Integer Count in items TextView In ListView When add new Item to add value In Firebase Database
body: <p>I m Creating a <code>Listview</code> in <code>Firebase Database</code>.
  And want to Count the Integer value in items in listview when I added a new Item.</p>
  
  <p>I,m creating the Teachers Salary data and want to when to add a new item 
  As Below...</p>
  
  <p>Teacher Name, Teacher Total Salary, Teacher Total Student</p>
  
  <p>But I want to count every teacher's Total Salary in 1 Textview when I added the new Teacher then add the Salary of all teachers in 1 TextView.</p>
  
  <p>(Note) I don't want to count of the item I added in listview I want to count off every teacher salary if anyone can help how I can do this.</p>
  
  <p>please share your Code.
  Thank you in advance.</p>
  
  <p><a href="https://i.stack.imgur.com/nJvy1.jpg" rel="nofollow noreferrer">Here is screenshot want to count the salary i have not created any code because i do not khow the coding please help and solve my problem</a></p>