Multiple RecyclerView not working in same Fragment

Question

I have two RecyclerView in my Fragment.

 <LinearLayout                  
             android:layout_width="match_parent"
             android:layout_height="match_parent" 
             android:orientation="vertical"
             android:background="#E6E6E6">  
<RelativeLayout
            android:layout_width="wrap_content"
            android:layout_height="wrap_content" >
      <TextView
        android:id="@+id/textview"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:textSize="20sp"
        android:textColor="#000"
        android:paddingBottom="8dp"
        android:paddingTop="8dp"
        android:gravity="left"
        android:text="Trending"
        />
    <android.support.v7.widget.RecyclerView
    android:id="@+id/recycler_view"
    android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    android:scrollbars="none"
    android:layout_below="@+id/textview"
   />

    <TextView
        android:id="@+id/popular_textview"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:textSize="20sp"
        android:textColor="#000"
        android:paddingBottom="8dp"
        android:paddingTop="8dp"
        android:gravity="left"
        android:text="Popular"
        android:layout_below="@+id/recycler_view"
        android:layout_marginTop="200dip"
        />
    <android.support.v7.widget.RecyclerView
    android:id="@+id/popular_recycler_view"
    android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    android:scrollbars="none" 
    android:layout_below="@+id/popular_textview"/> 
 </RelativeLayout>

But it's only first RecyclerView is working . second one is not visible . My Fragment code is like this :

private void populatRecyclerView(ArrayList<HashMap<String, String>> imageList) {

    ArrayList<Data_Model> arrayList = new ArrayList<>();
    for (int i = 0; i < imageList.size(); i++) {
        HashMap<String, String> vector = imageList.get(i);
        category = vector.get("deal_category");
        if (category.equalsIgnoreCase("17")) {
            String imageurl = vector.get("deal_thumbnail");
            String title = vector.get("title");
            Uri uri = Uri.parse(imageurl);
            String filename = uri.getLastPathSegment();
            arrayList.add(new Data_Model(title, filename));
            RecyclerView_Adapter adapter = new RecyclerView_Adapter(getActivity(), arrayList);
            recyclerView.setAdapter(adapter);// first set adapter on recyclerview
            adapter.notifyDataSetChanged();// Notify the adapter
        } else {
            String imageurl = vector.get("deal_thumbnail");
            String title = vector.get("title");
            Uri uri = Uri.parse(imageurl);
            String filename = uri.getLastPathSegment();
            arrayList.add(new Data_Model(title, filename));

            RecyclerView_Popular_Adapter popular_adapter = new RecyclerView_Popular_Adapter(getActivity(), arrayList);
            popular_recyclerView.setAdapter(popular_adapter);// second set adapter on recyclerview
            popular_adapter.notifyDataSetChanged();// Notify the adapter
        }
    }
}

Even second TextView is also not appearing.I have specified first and second adapter in comment. So how make second RecyclerView visible too?

since you have specified condition only one will be visible in a single instance (which means your if(true) always) — saravanan r, Feb 02 '17 at 05:49
for some cases it goes in else loop . I have cross checked that one. — Mhandroid, Feb 02 '17 at 05:52
try to fix the height of the Recyclerview.if you are populating the recyclerview conditionally why do you need two of them? — Ravi Theja, Feb 02 '17 at 05:57
first one is auto scroller and second one is not auto scroller .so i need two different recyclerview — Mhandroid, Feb 02 '17 at 06:29

oyenigun · Accepted Answer · 2017-02-02T06:17:09.250

You cannot use layout_weight on childs of RelativeLayout . Your parent views should be under the LinearLayout like below;

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical">

    <RelativeLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_weight="1">

        <TextView
            android:id="@+id/textview"
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:gravity="left"
            android:paddingBottom="8dp"
            android:paddingTop="8dp"
            android:text="Trending"
            android:textColor="#000"
            android:textSize="20sp" />

        <android.support.v7.widget.RecyclerView
            android:id="@+id/recycler_view"
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:layout_below="@+id/textview"
            android:scrollbars="none" />

    </RelativeLayout>

    <RelativeLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_weight="1">

        <TextView
            android:id="@+id/popular_textview"
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:gravity="left"
            android:paddingBottom="8dp"
            android:paddingTop="8dp"
            android:text="Popular"
            android:textColor="#000"
            android:textSize="20sp" />

        <android.support.v7.widget.RecyclerView
            android:id="@+id/popular_recycler_view"
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:layout_below="@+id/popular_textview"
            android:scrollbars="none" />

    </RelativeLayout>

</LinearLayout>

Hope it helps!

Yeah i tried by removing layout_weight still its not working. — Mhandroid, Feb 02 '17 at 05:51
its not enough, you should seperate your RecylerViews by group and set layout_weight for this groups parent. — oyenigun, Feb 02 '17 at 06:14
One more problem I am facing now . This view is not scrollable .I tried using but still not working. Can u help me please ? — Mhandroid, Feb 02 '17 at 08:53
If it works, you should approve and complete this post. For one more problem, you should look this post; http://stackoverflow.com/questions/16515879/multiple-listviews-inside-a-scrollview — oyenigun, Feb 02 '17 at 09:10
This link solution is not working for me .I have posted seperate question for scroll. — Mhandroid, Feb 02 '17 at 09:27

Multiple RecyclerView not working in same Fragment

1 Answers1