title: Attribute "background" already defined with incompatible format in Android Studio
body: <p>I imported my project from <code>Eclipse</code> to <code>Android Studio</code>. As it is merging all the files, I am getting error : <code>Attribute "background" already defined with incompatible format.</code><br><br>Check my below libraries :</p>
  
  <pre><code>compile project(':staggeredGrid')
  compile project(':mobikwikSDK')
  compile 'com.android.support:support-v4:24.1.1'
  compile 'com.google.code.gson:gson:2.2.4'
  compile 'com.actionbarsherlock:actionbarsherlock:4.4.0@aar'
  </code></pre>
  
  <p>I am new to <code>Android Studio</code> so I don't have any idea about how can I solved this. I tried to change that attribute name but there are many same names so I am unable to go ahead.<br><br>Please help me to solve this.</p>