remove old ok-button in ListPicker, fix margin

Signed-off-by: Aron Heinecke <aron.heinecke@t-online.de>

Author: 0xpr03

app/src/main/java/vocabletrainer/heinecke/aron/vocabletrainer/fragment/ListPickerFragment.java

@@ -19,7 +19,6 @@
 import android.view.MenuItem;
 import android.view.View;
 import android.view.ViewGroup;
-import android.widget.Button;
 
 import java.util.ArrayList;
 
@@ -54,7 +53,6 @@ public class ListPickerFragment extends PagerFragment implements ListRecyclerAda
     private RecyclerView recyclerView;
     private ListRecyclerAdapter adapter;
     private boolean delete;
-    private Button bOk;
     private int sort_type;
     private GenTableComparator compName;
     private GenTableComparator compA;
@@ -227,15 +225,11 @@ public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup c
                         GenTableComparator.retA, GenTableComparator.retName}
         ,ID_RESERVED_SKIP);
 
-        bOk = view.findViewById(R.id.btnOkSelect);
-        bOk.setVisibility(showOkButton && multiSelect ? View.VISIBLE : View.GONE);
-
         SharedPreferences settings = getActivity().getSharedPreferences(PREFS_NAME, 0);
         sort_type = settings.getInt(P_KEY_LA_SORT, R.id.lMenu_sort_Name);
         updateComp();
 
         initRecyclerView();
-        updateOkButton();
         return view;
     }
 
@@ -338,13 +332,6 @@ private void initRecyclerView() {
         }
     }
 
-    /**
-     * Update enabled state of OK button
-     */
-    private void updateOkButton() {
-        bOk.setEnabled(listPickerViewModel.getSelectedLists().size() > 0);
-    }
-
     @Override
     public void onStop() {
         super.onStop();

app/src/main/res/layout/fragment_list_selector.xml

@@ -10,23 +10,9 @@
         android:id="@+id/listViewRecyclerView"
         android:layout_width="0dp"
         android:layout_height="0dp"
-        android:layout_marginTop="8dp"
-        android:layout_marginBottom="8dp"
-        app:layout_constraintBottom_toTopOf="@+id/btnOkSelect"
+        app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toTopOf="parent" />
 
-    <Button
-        android:id="@+id/btnOkSelect"
-        android:layout_width="0dp"
-        android:layout_height="wrap_content"
-        android:layout_marginBottom="8dp"
-        android:layout_marginEnd="8dp"
-        android:layout_marginStart="8dp"
-        android:text="@string/GEN_OK"
-        android:visibility="visible"
-        app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toStartOf="parent" />
 </android.support.constraint.ConstraintLayout>