title: This project uses AndroidX dependencies, but the 'android.useAndroidX' property is not enabled
body: <p>This is my Error;</p>
  
  <pre><code>This project uses AndroidX dependencies, but the 'android.useAndroidX' property is not enabled. Set this property to true in the gradle.properties file and retry.
  The following AndroidX dependencies are detected: 
  androidx.fragment:fragment:1.0.0,
  androidx.versionedparcelable:versionedparcelable:1.0.0, 
  androidx.slidingpanelayout:slidingpanelayout:1.0.0
  ...
  </code></pre>
  
  <p>How can i solve this problem? i delete all androidx libraries from my gradle files and my imported libraries from classes. i dont want to use androidx. </p>