java - ViewPager doesn't display the second and third views when height wrap_content -

i have viewpager works views (not fragments). default viewpager has 1 view display sectionslayout, , depending on webservice response might add 1 or 2 views viewpager. (promo1, promo2)

the viewpager being small part of activity layout, height should height of first child : sectionslayout , if needed add 1 or 2 other pages, (promo1, promo2) should have same height sectionslayout.

now, viewpager shows me correctly first embedded layout doesn't display second , third ones when height of viewpager set wrap_content (it show them when height fixed on dps, know it's common , known issue on viewpager, created custom viewpager based on answers here on takes height of first element.

flexibleviewpager.java :

public class flexibleviewpager extends viewpager {      public flexibleviewpager (context context) {         super (context);     }      public flexibleviewpager (context context, attributeset attrs) {         super (context, attrs);     }      @override     public void setoffscreenpagelimit(int limit) {         super.setoffscreenpagelimit(limit);     }      @override     protected void onmeasure (int widthmeasurespec, int heightmeasurespec) {         super.onmeasure (widthmeasurespec, heightmeasurespec);          //view view = getchildat (this.getcurrentitem ());         view view = getchildat (0);         if (view != null) {             view.measure (widthmeasurespec, heightmeasurespec);         }         setmeasureddimension(getmeasuredwidth(), measureheight(heightmeasurespec, view));     }      private int measureheight (int measurespec, view view) {         int result      = 0;         int specmode    = measurespec.getmode (measurespec);         int specsize    = measurespec.getsize(measurespec);          if (specmode == measurespec.exactly) {             result = specsize;         } else {             // set height base view if available             if (view != null) {                 result = view.getmeasuredheight ();             }             if (specmode == measurespec.at_most) {                  result = math.min (result, specsize);             }         }         return result;     } } 

layout :

...     <com.widgets.flexibleviewpager         android:id="@+id/corehomecontainer"         android:layout_width="match_parent"         android:layout_height="wrap_content">          <relativelayout             android:id="@+id/sectionslayout"             android:layout_width="match_parent"             android:layout_height="wrap_content" />          <relativelayout             android:id="@+id/promo1"             android:layout_width="match_parent"             android:layout_height="match_parent"             android:background="@color/red" />          <relativelayout             android:id="@+id/promo1"             android:layout_width="match_parent"             android:layout_height="match_parent"             android:background="@color/green" />      </com.widgets.flexibleviewpager> ... 

but second , third element not shown, though i'm able swipe, , pageradapter able create 3 pages needed, doesn't fill them promos1 , promos2.

any idea ?