register for context menu only if there is sth. to delete

src/main/java/org/thoughtcrime/securesms/accounts/AccountSelectionListFragment.java

@@ -77,7 +77,7 @@ public class AccountSelectionListFragment extends DialogFragment
     // hack to make onContextItemSelected() work with DialogFragment,
     // see https://stackoverflow.com/questions/15929026/oncontextitemselected-does-not-get-called-in-a-dialogfragment
     MenuItem.OnMenuItemClickListener listener = item -> {
-      onContextItemSelected(item);
+      onContextItemSelected(item, v);
       return true;
     };
     for (int i = 0, n = menu.size(); i < n; i++) {
@@ -86,15 +86,11 @@ public class AccountSelectionListFragment extends DialogFragment
     // /hack
   }
 
-  @Override
-  public boolean onContextItemSelected(MenuItem item) {
-    AdapterView.AdapterContextMenuInfo info = (AdapterView.AdapterContextMenuInfo) item.getMenuInfo();
+  private void onContextItemSelected(MenuItem item, View view) {
     switch (item.getItemId()) {
     case R.id.delete:
-      onDeleteAccount(((AccountSelectionListItem) info.targetView).getAccountId());
-      return true;
-    default:
-      return super.onContextItemSelected(item);
+      onDeleteAccount(((AccountSelectionListItem) view).getAccountId());
+      break;
     }
   }
 

src/main/java/org/thoughtcrime/securesms/accounts/AccountSelectionListItem.java

@@ -82,7 +82,11 @@ public class AccountSelectionListItem extends LinearLayout {
     updateUnreadIndicator(unreadCount, isMuted);
     setText(name, addr);
 
-    fragment.registerForContextMenu(this);
+    if (!selected && accountId != DcContact.DC_CONTACT_ID_ADD_ACCOUNT) {
+      fragment.registerForContextMenu(this);
+    } else {
+      fragment.unregisterForContextMenu(this);
+    }
   }
 
   public void unbind(GlideRequests glideRequests) {