Update README.md

Author: syxdzc

README.md

@@ -1,12 +1,13 @@
 abbeacon
 ========
 
-Android Demo For AprilBeacon
-
-
-How to use this Demo?
-You should to http://developer.radiusnetworks.com/ibeacon/android/download.html to download the library
-
-Import the Demo to you project and then copy library/libs/classes.jar and library/bin/androidibeaconlibrary.jar to your libs
-
-Then you can run the Demo
+## Installation
+
+* Copy ab-sdk-beta.jar to your libs directory.
+* Add following permissions and service declaration to your AndroidManifest.xml:
+```
+ <uses-permission android:name="android.permission.BLUETOOTH"/>
+ <uses-permission android:name="android.permission.BLUETOOTH_ADMIN"/>
+ <service android:name="com.aprilbrother.aprilbrothersdk.service.BeaconService"
+         android:exported="false"/>
+```