@Override public void setTextSpacing(int textSpacing) {
    if (textSpacing < mMinTextSpacing) {
      textSpacing = mMinTextSpacing;
    }
    super.setTextSpacing(textSpacing);
  }
@return The current tab indicator color as an 0xRRGGBB value.
sample/src/main/java/android/support/v4/view/PagerTabStripV22.java