title: Getting errors in android development "R cannot be resolved to a variable" and in layout also
body: <p>I just started android programming and i am stuck in this problem from many days , whenever i start a new project every time i get these 5 errors , i don't know what to do with them , i tried setting up whole SDK and eclipse setup but still i get these errors , Any one know about how to get rid of theses ???</p>
  
  <ol>
  <li><code>R cannot be resolved to a variable</code></li>
  <li>Error retrieving parent for item: No resource found that matches the given name <code>'android:Theme.Holo.Light.DarkActionBar'</code>,<code>styles.xml/example/res/values-v14</code>line 3    Android AAPT Problem</li>
  <li>Error retrieving parent for item: No resource found that matches the given name <code>'android:Theme.Light'</code>.<code>styles.xml/example/res/values</code> line 3  Android AAPT Problem</li>
  <li>Error retrieving parent for item: No resource found that matches the given name <code>'android:Theme.Holo.Light'.styles.xml/example/res/values-v11</code>  line 3  Android AAPT Problem</li>
  </ol>