title: Issue while installing app from android studio
body: <p>I got this issue when i install my app in the android device with api level above 20</p>
  
  <p>/packageName E/AndroidRuntime: FATAL EXCEPTION: main</p>
  
  <p>When install the same app in android devices with api level 20 getting this issue</p>
  
  <pre><code>Installation failed since the device possibly has stale dexed jars that don't match the current version (dexopt error). In order to proceed, you have to uninstall the existing application.
  </code></pre>
  
  <p>WARNING: Uninstalling will remove the application data!</p>
  
  <p>Do you want to uninstall the existing application?</p>
  
  <p>Can anyone help me with this issue.</p>