don't generate a default tile again when contact lookup fails

a small win.

Bug: 8051779
Change-Id: Icd0af6be6b9f5646af9d202253cae12d0ab10eb3

1 files changed, 7 insertions, 2 deletions

diff --git a/src/com/android/mail/photomanager/LetterTileProvider.java b/src/com/android/mail/photomanager/LetterTileProvider.java
index dd0dd75cc..30942bd6b 100644
--- a/src/com/android/mail/photomanager/LetterTileProvider.java
+++ b/src/com/android/mail/photomanager/LetterTileProvider.java
@@ -94,8 +94,13 @@ public class LetterTileProvider implements DefaultImageProvider {
         ContactIdentifier contactIdentifier = (ContactIdentifier) id;
         DividedImageCanvas dividedImageView = (DividedImageCanvas) view;
 
-        String displayName = contactIdentifier.name;
-        String address = contactIdentifier.emailAddress;
+        final String displayName = contactIdentifier.name;
+        final String address = contactIdentifier.emailAddress;
+
+        // don't apply again if existing letter is there (and valid)
+        if (dividedImageView.hasImageFor(address)) {
+            return;
+        }
 
         Bitmap bitmap = null;
         final String display = !TextUtils.isEmpty(displayName) ? displayName : address;