Prevent crash

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

@@ -219,7 +219,8 @@ public class AdapterAnswer extends RecyclerView.Adapter<AdapterAnswer.ViewHolder
             @Override
             protected Boolean onExecute(Context context, Bundle args) {
                 DB db = DB.getInstance(context);
-                return (db.identity().getComposableIdentities(null).size() > 0);
+                List<TupleIdentityEx> identities = db.identity().getComposableIdentities(null);
+                return (identities != null && identities.size() > 0);
             }
 
             @Override

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

@@ -4386,22 +4386,24 @@ class Core {
                 }
             }
 
-            if (notify_reply && message.content &&
-                    db.identity().getComposableIdentities(message.account).size() > 0) {
-                Intent reply = new Intent(context, ActivityCompose.class)
-                        .putExtra("action", "reply")
-                        .putExtra("reference", message.id)
-                        .putExtra("group", group);
-                reply.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
-                PendingIntent piReply = PendingIntent.getActivity(context, ActivityCompose.PI_REPLY, reply, PendingIntent.FLAG_UPDATE_CURRENT);
-                NotificationCompat.Action.Builder actionReply = new NotificationCompat.Action.Builder(
-                        R.drawable.twotone_reply_24,
-                        context.getString(R.string.title_advanced_notify_action_reply),
-                        piReply)
-                        .setSemanticAction(NotificationCompat.Action.SEMANTIC_ACTION_REPLY)
-                        .setShowsUserInterface(true)
-                        .setAllowGeneratedReplies(false);
-                mbuilder.addAction(actionReply.build());
+            if (notify_reply && message.content) {
+                List<TupleIdentityEx> identities = db.identity().getComposableIdentities(message.account);
+                if (identities != null && identities.size() > 0) {
+                    Intent reply = new Intent(context, ActivityCompose.class)
+                            .putExtra("action", "reply")
+                            .putExtra("reference", message.id)
+                            .putExtra("group", group);
+                    reply.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+                    PendingIntent piReply = PendingIntent.getActivity(context, ActivityCompose.PI_REPLY, reply, PendingIntent.FLAG_UPDATE_CURRENT);
+                    NotificationCompat.Action.Builder actionReply = new NotificationCompat.Action.Builder(
+                            R.drawable.twotone_reply_24,
+                            context.getString(R.string.title_advanced_notify_action_reply),
+                            piReply)
+                            .setSemanticAction(NotificationCompat.Action.SEMANTIC_ACTION_REPLY)
+                            .setShowsUserInterface(true)
+                            .setAllowGeneratedReplies(false);
+                    mbuilder.addAction(actionReply.build());
+                }
             }
 
             if (notify_reply_direct &&

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

@@ -45,6 +45,7 @@ import androidx.preference.PreferenceManager;
 
 import com.google.android.material.floatingactionbutton.FloatingActionButton;
 
+import java.util.ArrayList;
 import java.util.List;
 
 public class FragmentDialogIdentity extends FragmentDialogBase {
@@ -133,6 +134,9 @@ public class FragmentDialogIdentity extends FragmentDialogBase {
 
             @Override
             protected void onExecuted(Bundle args, List<TupleIdentityEx> identities) {
+                if (identities == null)
+                    identities = new ArrayList<>();
+
                 AdapterIdentitySelect iadapter = new AdapterIdentitySelect(getContext(), identities);
                 spIdentity.setAdapter(iadapter);