From af97e9e0f441244ec546785f38af5c9dbb07342a Mon Sep 17 00:00:00 2001
From: M66B <M66B@users.noreply.github.com>
Date: Mon, 25 Nov 2019 18:15:57 +0100
Subject: [PATCH] Check for letter instead of printable

---
 app/src/main/java/eu/faircode/email/ImageHelper.java | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/app/src/main/java/eu/faircode/email/ImageHelper.java b/app/src/main/java/eu/faircode/email/ImageHelper.java
index cbaef128d6..a00a8909d8 100644
--- a/app/src/main/java/eu/faircode/email/ImageHelper.java
+++ b/app/src/main/java/eu/faircode/email/ImageHelper.java
@@ -113,15 +113,16 @@ class ImageHelper {
             name = email;
 
         String letter = null;
-        for (int i = 0; i < name.length(); i++) {
+        int len = name.length();
+        for (int i = 0; i < len; i++) {
             char kar = name.charAt(i);
-            if (Helper.isPrintableChar(kar)) {
+            if (Character.isLetter(kar)) {
                 letter = name.substring(i, i + 1).toUpperCase();
                 break;
             }
         }
         if (letter == null)
-            return null;
+            letter = (len > 0 ? name.substring(0, 1) : "?");
 
         float h = Math.abs(email.hashCode()) % 360f;
         return generateLetterIcon(letter, h, size, context);