ITvService.getTvCommon()' on a null object reference

[Vadimcg]

hello, i tryed to launch your project, but i got error:
Caused by: j**ava.lang.NullPointerException: Attempt to invoke interface method 'com.mstar.android.tv.ITvCommon com.mstar.android.tv.ITvService.getTvCommon()' on a null object reference** at com.mstar.android.tv.TvManager.getTvCommon(TvManager.java:205) at com.mstar.android.tv.TvCommonManager.getService(TvCommonManager.java:136) at com.mstar.android.tv.TvCommonManager.getCurrentInputSource(TvCommonManager.java:166) at eu.danman.zidostreamer.zidostreamer.MainActivity.changeInputSource(MainActivity.java:46) at eu.danman.zidostreamer.zidostreamer.MainActivity.enableHDMI(MainActivity.java:66) at eu.danman.zidostreamer.zidostreamer.MainActivity.onCreate(MainActivity.java:85) at android.app.Activity.performCreate(Activity.java:6117) at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1133) at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2620) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2737)  at android.app.ActivityThread.access$800(ActivityThread.java:186)  at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1574)  at android.os.Handler.dispatchMessage(Handler.java:111)  at android.os.Looper.loop(Looper.java:192)  at android.app.ActivityThread.main(ActivityThread.java:5865)  at java.lang.reflect.Method.invoke(Native Method)  at java.lang.reflect.Method.invoke(Method.java:372)  at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1021)  at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:816)