Debug: classifier file size

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

@@ -2048,6 +2048,10 @@ public class Log {
                 .append(TextHelper.canTransliterate())
                 .append("\r\n");
 
+        sb.append("Classifier: ")
+                .append(Helper.humanReadableByteCount(MessageClassifier.getSize(context)))
+                .append("\r\n");
+
         sb.append("\r\n");
 
         int cpus = Runtime.getRuntime().availableProcessors();

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

@@ -759,8 +759,11 @@ public class MessageClassifier {
     }
 
     static long getSize(Context context) {
-        File file = getFile(context, false);
-        return (file.exists() ? file.length() : -1L);
+        try {
+            return getFile(context, false).length();
+        } catch (Throwable ignored) {
+            return -1L;
+        }
     }
 
     private static class State {