From c904fa05e2fdb3e4c1fe6899b85ab76b3164e7d8 Mon Sep 17 00:00:00 2001
From: M66B <M66B@users.noreply.github.com>
Date: Thu, 22 Oct 2020 08:39:33 +0200
Subject: [PATCH] Small improvement

---
 app/src/main/java/eu/faircode/email/CharsetHelper.java | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/app/src/main/java/eu/faircode/email/CharsetHelper.java b/app/src/main/java/eu/faircode/email/CharsetHelper.java
index 84dafc6db5..ad4c0fd45e 100644
--- a/app/src/main/java/eu/faircode/email/CharsetHelper.java
+++ b/app/src/main/java/eu/faircode/email/CharsetHelper.java
@@ -19,6 +19,8 @@ package eu.faircode.email;
     Copyright 2018-2020 by Marcel Bokhorst (M66B)
 */
 
+import android.text.TextUtils;
+
 import java.nio.charset.Charset;
 import java.nio.charset.StandardCharsets;
 
@@ -85,6 +87,9 @@ class CharsetHelper {
                 // ISO-2022-JP, ISO-8859-2, windows-1250, windows-1252, windows-1257
                 Log.e("compact_enc_det result=" + detected);
 
+            if (TextUtils.isEmpty(detected))
+                return null;
+
             return Charset.forName(detected);
         } catch (Throwable ex) {
             Log.w(ex);