From 8ff4e1e945f7cb69161dcccef985d2dba673b124 Mon Sep 17 00:00:00 2001
From: Erik Johansson <erik@ejohansson.se>
Date: Thu, 12 Apr 2018 19:34:07 +0200
Subject: [PATCH] Improve bluetooth connection sequence

By adding a sleep after the service discovery I can now connect every
time to the scale, something that didn't work before.
---
 .../openscale/core/bluetooth/BluetoothCommunication.java | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/android_app/app/src/main/java/com/health/openscale/core/bluetooth/BluetoothCommunication.java b/android_app/app/src/main/java/com/health/openscale/core/bluetooth/BluetoothCommunication.java
index cd8f6887..ceb82a5e 100644
--- a/android_app/app/src/main/java/com/health/openscale/core/bluetooth/BluetoothCommunication.java
+++ b/android_app/app/src/main/java/com/health/openscale/core/bluetooth/BluetoothCommunication.java
@@ -491,6 +491,15 @@ public abstract class BluetoothCommunication {
             descriptorRequestQueue = new LinkedList<>();
             openRequest = false;
 
+            try {
+                // Sleeping a while after discovering services fixes connection problems.
+                // See https://github.com/NordicSemiconductor/Android-DFU-Library/issues/10
+                // for some technical background.
+                Thread.sleep(1000);
+            }
+            catch (Exception e) {
+                // Empty
+            }
 
             btMachineState = BT_MACHINE_STATE.BT_INIT_STATE;
             nextMachineStateStep();