From 161731547222e1251f77face92501612d688e27d Mon Sep 17 00:00:00 2001
From: oliexdev <olie.xdev@googlemail.com>
Date: Sun, 10 Feb 2019 21:31:34 +0100
Subject: [PATCH] adding a delay of 500 ms between the end of the BLE scan and
 the beginning of a connection

---
 .../bluetooth/BluetoothCommunication.java     | 41 +++++++++++--------
 1 file changed, 24 insertions(+), 17 deletions(-)

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 14ad49b1..3af6adcc 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
@@ -517,28 +517,35 @@ public abstract class BluetoothCommunication {
             Timber.d("Stop Le san");
             scanSubscription.dispose();
             scanSubscription = null;
+
         }
 
-        Timber.d("Try to connect to BLE device " + macAddress);
+        Handler handler = new Handler();
+        handler.postDelayed(new Runnable() {
+            @Override
+            public void run() {
+                Timber.d("Try to connect to BLE device " + macAddress);
 
-        connectionObservable = bleDevice
-                .establishConnection(false)
-                .delay(BT_DELAY, TimeUnit.MILLISECONDS)
-                .takeUntil(disconnectTriggerSubject)
-                .doOnError(throwable -> setBtStatus(BT_STATUS_CODE.BT_CONNECTION_RETRYING))
-                .observeOn(AndroidSchedulers.mainThread())
-                .compose(ReplayingShare.instance());
+                connectionObservable = bleDevice
+                        .establishConnection(false)
+                        .delay(BT_DELAY, TimeUnit.MILLISECONDS)
+                        .takeUntil(disconnectTriggerSubject)
+                        .doOnError(throwable -> setBtStatus(BT_STATUS_CODE.BT_CONNECTION_RETRYING))
+                        .observeOn(AndroidSchedulers.mainThread())
+                        .compose(ReplayingShare.instance());
 
-        if (isConnected()) {
-            disconnect();
-        } else {
-            initStepNr = -1;
-            cmdStepNr = -1;
-            cleanupStepNr = -1;
+                if (isConnected()) {
+                    disconnect();
+                } else {
+                    initStepNr = -1;
+                    cmdStepNr = -1;
+                    cleanupStepNr = -1;
 
-            setBtMonitoringOn();
-            setBtMachineState(BT_MACHINE_STATE.BT_INIT_STATE);
-        }
+                    setBtMonitoringOn();
+                    setBtMachineState(BT_MACHINE_STATE.BT_INIT_STATE);
+                }
+            }
+        }, 500);
     }
 
     private void setBtMonitoringOn() {