My application has a couple tabs of fragments with a viewpager and it does not start on top and I do not know why. Even when I scroll the fragment to the top, refreshing(going back and forth tabs) resets the fragment's start position right above the recyclerview.
fragment2.xml
<android.support.v4.widget.NestedScrollView xmlns:android="http://schemas.android.com/apk/res/android"
android:isScrollContainer="false"
android:layout_gravity="fill_vertical"
android:clipToPadding="false"
android:fillViewport="true"
android:scrollbars="none"
android:layout_width="match_parent"
android:layout_height="wrap_content">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical">
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="wrap_content">
<ImageView
android:layout_width="match_parent"
android:layout_height="79dp"
android:scaleType="fitXY"
android:src="@drawable/sub4_visual"/>
<ImageView
android:layout_width="match_parent"
android:layout_height="79dp"
android:alpha="0.3"
android:background="#000000"/>
</RelativeLayout>
<TextView
android:id="@+id/frag2_desc"
android:layout_margin="11dp"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:textSize="15sp"
android:textColor="@color/color_333333"
android:text=""/>
<Spinner
android:id="@+id/frag2_dropbox"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:overScrollMode="ifContentScrolls"
android:scrollbars="none"
android:gravity="left"/>
<android.support.v7.widget.RecyclerView
android:id="@+id/recycler_subfrag2"
android:layout_width="match_parent"
android:layout_height="match_parent"/>
</LinearLayout>
Fragment2.java
public class Fragment2 extends Fragment{
...
public static Frag_BoardContent[] fragsList;
public static RecyclerView mRecyclerView;
public static Frag234_Adapter4 board_adapter;
public Fragment2() {
// Required empty public constructor
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
// Inflate the layout for this fragment
final View v = inflater.inflate(R.layout.fragment2, container, false);
tv_frag2Desc = (TextView) v.findViewById(R.id.frag2_desc);
spinner = (Spinner) v.findViewById(R.id.frag2_dropbox);
ArrayList<String> categoryList = new ArrayList<>();
if (connect) makeDynamicArray(categoryList);
adapter = new ArrayAdapter<> (getActivity(), R.layout.activity_board_spinner,categoryList);
spinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
@Override
public void onItemSelected(final AdapterView<?> parent, final View view, int position, long id) {
mRecyclerView.setLayoutManager(new LinearLayoutManager(MainActivity.context));
mRecyclerView.setHasFixedSize(true);
mRecyclerView.setNestedScrollingEnabled(false);
board_adapter = new Frag234_Adapter4(MainActivity.context, fragsList);
mRecyclerView.setAdapter(board_adapter);
}
@Override
public void onNothingSelected(AdapterView<?> parent) {
}
});
mRecyclerView = (RecyclerView) v.findViewById(R.id.recycler_subfrag2);
mRecyclerView.setAdapter(board_adapter);
return v;
}
public ArrayList<String> makeDynamicArray(){...}
}
