From 525f1567c1c785f5e31aeb86a32332e03137248d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jos=C3=A9=20Rebelo?= <joserebelo@outlook.com>
Date: Wed, 12 Jul 2023 23:21:56 +0100
Subject: [PATCH] Huami: Prevent activity data fetch if there is no data to
 fetch

More information in #3201

Fixes #3196
---
 .../devices/huami/operations/AbstractFetchOperation.java        | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/huami/operations/AbstractFetchOperation.java b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/huami/operations/AbstractFetchOperation.java
index 0faf45503..3b59b70fd 100644
--- a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/huami/operations/AbstractFetchOperation.java
+++ b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/huami/operations/AbstractFetchOperation.java
@@ -197,7 +197,7 @@ public abstract class AbstractFetchOperation extends AbstractHuamiOperation {
                         if (expectedDataLength == 0 && isHuami2021) {
                             // Nothing to receive, if we try to fetch data it will fail
                             sendAck2021(true);
-                        } else {
+                        } else if (expectedDataLength != 0) {
                             TransactionBuilder newBuilder = createTransactionBuilder(taskName + " Step 2");
                             newBuilder.notify(characteristicActivityData, true);
                             newBuilder.write(characteristicFetch, new byte[]{HuamiService.COMMAND_FETCH_DATA});