title: android: how can I divide a screen exactly in two parts through XML?
body: <p>In main.xml, I have a table layout that it has two buttons in the first row, and two EditTexts in the second row.</p>
  
  <p>when I run the application, first column in smaller than the other. what should I do to divide the screen equally?</p>
  
  <p>Thanks</p>