ViewPager Indicator

TabPageIndicator indicator = (TabPageIndicator)findViewById(R.id.indicator);
indicator.setViewPager(pager);
                  
UnderlinePageIndicator mIndicator = (UnderlinePageIndicator)findViewById(R.id.indicator1);
mIndicator.setViewPager(pager);

public TabPageIndicator(Context context, AttributeSet attrs) {
        super(context, attrs);
        setHorizontalScrollBarEnabled(false);
 
        mTabLayout = new IcsLinearLayout(context, R.attr.vpiTabPageIndicatorStyle);
        addView(mTabLayout, new ViewGroup.LayoutParams(WRAP_CONTENT, MATCH_PARENT));
    }

  public IcsLinearLayout(Context context, int themeAttr) {
        super(context);
 
        TypedArray a = context.obtainStyledAttributes(null, LL, themeAttr, 0);
        setDividerDrawable(a.getDrawable(IcsLinearLayout.LL_DIVIDER));
        mDividerPadding = a.getDimensionPixelSize(LL_DIVIDER_PADDING, 0);
        mShowDividers = a.getInteger(LL_SHOW_DIVIDER, SHOW_DIVIDER_NONE);
        a.recycle();
    }
 
    public void setDividerDrawable(Drawable divider) {
        if (divider == mDivider) {
            return;
        }
        mDivider = divider;
        if (divider != null) {
            mDividerWidth = divider.getIntrinsicWidth();
            mDividerHeight = divider.getIntrinsicHeight();
        } else {
            mDividerWidth = 0;
            mDividerHeight = 0;
        }
        setWillNotDraw(divider == null);
        requestLayout();
    }