Small improvements

app/src/main/java/eu/faircode/email/AdapterAnswer.java

@@ -52,8 +52,8 @@ public class AdapterAnswer extends RecyclerView.Adapter<AdapterAnswer.ViewHolder
     private EntityAccount primary = null;
 
     public class ViewHolder extends RecyclerView.ViewHolder implements View.OnClickListener, View.OnLongClickListener {
-        View itemView;
+        private View itemView;
-        TextView tvName;
+        private TextView tvName;
 
         ViewHolder(View itemView) {
             super(itemView);

app/src/main/java/eu/faircode/email/FragmentAnswer.java

@@ -73,7 +73,7 @@ public class FragmentAnswer extends FragmentBase {
             public boolean onNavigationItemSelected(MenuItem menuItem) {
                 switch (menuItem.getItemId()) {
                     case R.id.action_delete:
-                        onActionTrash();
+                        onActionDelete();
                         return true;
                     case R.id.action_save:
                         onActionSave();
@@ -108,7 +108,7 @@ public class FragmentAnswer extends FragmentBase {
 
         new SimpleTask<EntityAnswer>() {
             @Override
-            protected EntityAnswer onExecute(Context context, Bundle args) throws Throwable {
+            protected EntityAnswer onExecute(Context context, Bundle args) {
                 long id = args.getLong("id");
                 return DB.getInstance(context).answer().getAnswer(id);
             }
@@ -130,7 +130,7 @@ public class FragmentAnswer extends FragmentBase {
         }.execute(this, args, "answer:get");
     }
 
-    private void onActionTrash() {
+    private void onActionDelete() {
         new DialogBuilderLifecycle(getContext(), getViewLifecycleOwner())
                 .setMessage(R.string.title_ask_delete_answer)
                 .setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {

app/src/main/java/eu/faircode/email/FragmentAnswers.java

@@ -26,6 +26,7 @@ import android.view.ViewGroup;
 
 import com.google.android.material.floatingactionbutton.FloatingActionButton;
 
+import java.util.ArrayList;
 import java.util.List;
 
 import androidx.annotation.NonNull;
@@ -90,7 +91,11 @@ public class FragmentAnswers extends FragmentBase {
         db.answer().liveAnswers().observe(getViewLifecycleOwner(), new Observer<List<EntityAnswer>>() {
             @Override
             public void onChanged(List<EntityAnswer> answers) {
+                if (answers == null)
+                    answers = new ArrayList<>();
+
                 adapter.set(answers);
+
                 pbWait.setVisibility(View.GONE);
                 grpReady.setVisibility(View.VISIBLE);
             }

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

@@ -8,14 +8,14 @@
         android:id="@+id/tvName"
         android:layout_width="0dp"
         android:layout_height="wrap_content"
-        android:layout_marginEnd="6dp"
         android:layout_marginStart="6dp"
         android:layout_marginTop="6dp"
+        android:layout_marginEnd="6dp"
         android:ellipsize="end"
         android:maxLines="1"
         android:text="Name"
         android:textAppearance="@style/TextAppearance.AppCompat.Medium"
-        app:layout_constraintEnd_toStartOf="@+id/tvSize"
+        app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toTopOf="parent" />
 
@@ -23,8 +23,8 @@
         android:id="@+id/vSeparator"
         android:layout_width="match_parent"
         android:layout_height="1dp"
-        android:layout_marginBottom="6dp"
         android:layout_marginTop="6dp"
+        android:layout_marginBottom="6dp"
         android:background="?attr/colorSeparator"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toBottomOf="@id/tvName" />