From ab1a7064d763ea40edfd65da977ec10ac0a58621 Mon Sep 17 00:00:00 2001
From: Uriel Lizama <uriel@baboonmedia.com>
Date: Fri, 19 Aug 2016 16:52:37 -0500
Subject: [PATCH] Option to filter by service UUID when starting a scan

---
 .../lmbluetoothsdk/BluetoothLEController.java     | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/lmbluetoothsdk/src/main/java/co/lujun/lmbluetoothsdk/BluetoothLEController.java b/lmbluetoothsdk/src/main/java/co/lujun/lmbluetoothsdk/BluetoothLEController.java
index fa2755a..77bdd83 100755
--- a/lmbluetoothsdk/src/main/java/co/lujun/lmbluetoothsdk/BluetoothLEController.java
+++ b/lmbluetoothsdk/src/main/java/co/lujun/lmbluetoothsdk/BluetoothLEController.java
@@ -121,7 +121,7 @@ public boolean isSupportBLE(){
     }
 
     @Override
-    public boolean startScan() {
+    public boolean startScan(UUID[] serviceUUIDs) {
         if (!isAvailable() && !isEnabled()){
             return false;
         }
@@ -130,12 +130,23 @@ public boolean startScan() {
             mLeSettings = new ScanSettings.Builder()
                     .setScanMode(ScanSettings.SCAN_MODE_LOW_LATENCY)
                     .build();
-            mLeFilters = new ArrayList<ScanFilter>();
+            mLeFilters = scanFilters(serviceUUIDs);
         }
         scanLeDevice();
         return true;
     }
 
+    private List<ScanFilter> scanFilters(UUID[] serviceUUIDs) {
+        List<ScanFilter> list = new ArrayList<>();
+        
+        for (int i = 0; i <serviceUUIDs.length; i++){
+            ScanFilter filter = new ScanFilter.Builder().setServiceUuid(ParcelUuid.fromString(serviceUUIDs[i].toStri‌​ng())).build();
+            list.add(filter);
+        }
+
+        return list;
+    }
+
     private void scanLeDevice(){
         mHandler.postDelayed(new Runnable() {
             @Override