title: Cache on android Libraries
body: <p>I'm writing an Android Library, that will be used in several applications.</p>
  
  <p>How can I find the <a href="http://developer.android.com/reference/android/content/Context.html#getExternalCacheDir%28%29" rel="nofollow">External Cache Dir</a> for libraries. As I know, libraries doesn't have how to get the context application.</p>