Toast for no signature

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

@@ -8104,8 +8104,10 @@ public class FragmentMessages extends FragmentBase implements SharedPreferences.
                                 Log.i("PGP signature result=" + sresult);
 
                             if (sresult == RESULT_NO_SIGNATURE) {
-                                if (!EntityAttachment.PGP_SIGNATURE.equals(encrypt))
+                                if (!EntityAttachment.PGP_SIGNATURE.equals(encrypt)) {
                                     args.putString("sigresult", context.getString(R.string.title_signature_none));
+                                    args.putBoolean("sigtoast", true);
+                                }
                             } else if (sresult == RESULT_VALID_KEY_CONFIRMED || sresult == RESULT_VALID_KEY_UNCONFIRMED) {
                                 List<String> users = sigResult.getConfirmedUserIds();
                                 String text;
@@ -8156,11 +8158,15 @@ public class FragmentMessages extends FragmentBase implements SharedPreferences.
             protected void onExecuted(Bundle args, PendingIntent pi) {
                 if (args.containsKey("sigresult")) {
                     String text = args.getString("sigresult");
+                    if (args.getBoolean("sigtoast"))
+                        ToastEx.makeText(getContext(), text, Toast.LENGTH_LONG).show();
+                    else {
                         Snackbar sb = Snackbar.make(view, text, Snackbar.LENGTH_LONG)
                                 .setGestureInsetBottomIgnored(true);
                         Helper.setSnackbarLines(sb, 7);
                         sb.show();
                     }
+                }
 
                 if (pi != null)
                     try {