title: Eclipse: Error importing android-support-v7-appcompat to workspace
body: <p>I'm new. I use Eclipse.</p>
  
  <p>As it is shown in several video tutorials.</p>
  
  <p>File> Import -> Existing Android Project -> (Route sdk / extas / android / support / v7 / appcompat).</p>
  
  <p>Imports almost all very well, however these errors appear within me res / values-v21</p>
  
  <p>[2015-11-04 02:35:50 - android-support-v7-appcompat] D:\workspace\android-support-v7-appcompat\res\values-v21\themes_base.xml:131: error: Error: No resource found that matches the given name: attr 'android:colorPrimaryDark'.</p>
  
  <p>[2015-11-04 02:35:50 - android-support-v7-appcompat] 
  [2015-11-04 02:35:50 - android-support-v7-appcompat] D:\workspace\android-support-v7-appcompat\res\values-v21\themes_base.xml:140: error: Error: No resource found that matches the given name: attr 'android:windowElevation'.</p>
  
  <p>[2015-11-04 02:35:50 - android-support-v7-appcompat] 
  [2015-11-04 02:35:50 - android-support-v7-appcompat] D:\workspace\android-support-v7-appcompat\res\values-v21\themes_base.xml:144: error: Error: No resource found that matches the given name: attr 'android:windowElevation'.</p>
  
  <p>[2015-11-04 02:35:50 - android-support-v7-appcompat] </p>
  
  <p>PS: I have updated all my extras. SDK Tools, Android and Android Support Support Repository Library.</p>