public void setTabIndicatorColor(int color) {
    mIndicatorColor = color;
    mTabPaint.setColor(mIndicatorColor);
    invalidate();
  }
Set the color of the tab indicator bar.

@param color Color to set as an 0xRRGGBB value. The high byte (alpha) is ignored.
sample/src/main/java/android/support/v4/view/PagerTabStripV22.java