title: What is the resolution of default layout in Android?
body: <p>I am just using simple default layout and not adding any of these layout versions; <code>l-dpi-Layout</code>,<code>m-dpi-layout</code> etc.. <em>then what exactly the resolution of my default layout is</em>?</p>
  
  <p>Let say i add an image and define its <code>width-height</code> as <code>20dp X 20dp</code>. This image is looking perfect in <code>layout Preview</code> screen, but would it look same in <code>1440X2560</code> screen or <code>1920X1080</code> screen.</p>
  
  <p>My concerns are: </p>
  
  <ol>
  <li>what exactly is the resolution of default layout is?</li>
  <li>How would android know that the <code>20 dpi</code> i am defining fits best for <code>1080X1920</code> resolution and <code>27dpi</code> fits best <code>1440X2560 screen</code>, when i am writing <code>20dpi</code> in my default layout which perfectly fits in <code>layout preview</code> screen </li>
  </ol>