From 8027b8ac9647966b8e7c3daa56a8acb512323c65 Mon Sep 17 00:00:00 2001
From: Andreas Shimokawa <shimokawa@fsfe.org>
Date: Tue, 24 Jan 2017 11:07:00 +0100
Subject: [PATCH] Pebble: fix potential crash when encoding appmessages with
 null values

---
 .../gadgetbridge/service/devices/pebble/PebbleProtocol.java     | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/pebble/PebbleProtocol.java b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/pebble/PebbleProtocol.java
index 6ef013bb..14ae5f9e 100644
--- a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/pebble/PebbleProtocol.java
+++ b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/pebble/PebbleProtocol.java
@@ -1846,6 +1846,8 @@ public class PebbleProtocol extends GBDeviceProtocol {
     byte[] encodeApplicationMessagePush(short endpoint, UUID uuid, ArrayList<Pair<Integer, Object>> pairs) {
         int length = LENGTH_UUID + 3; // UUID + (PUSH + id + length of dict)
         for (Pair<Integer, Object> pair : pairs) {
+            if (pair.first == null || pair.second == null)
+                continue;
             length += 7; // key + type + length
             if (pair.second instanceof Integer) {
                 length += 4;