title: What is the difference between TextView and TextViewCompat
body: <p>I need to know what actual difference between TextView and <a href="http://developer.android.com/reference/android/support/v4/widget/TextViewCompat.html" rel="noreferrer">TextViewCompat</a>.
  When we should use <a href="http://developer.android.com/reference/android/support/v4/widget/TextViewCompat.html" rel="noreferrer">TextViewCompat</a>?</p>