java.lang.RuntimeException: Fail to connect to camera service
	at android.hardware.Camera.<init>(Camera.java:648)
	at android.hardware.Camera.open(Camera.java:515)
	at android.hardware.Camera.open(Camera.java:504)
	at h9.a.j(Unknown Source:32)
	at h9.a.d(Unknown Source:9)
	at com.entitcs.office_attendance.camera.CameraSourcePreview.f(Unknown Source:29)
	at com.entitcs.office_attendance.camera.CameraSourcePreview.onLayout(Unknown Source:28)
	at android.view.View.layout(View.java:25896)
	at android.view.ViewGroup.layout(ViewGroup.java:6567)
	at android.widget.RelativeLayout.onLayout(RelativeLayout.java:1103)
	at android.view.View.layout(View.java:25896)
	at android.view.ViewGroup.layout(ViewGroup.java:6567)
	at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1906)
	at android.widget.LinearLayout.layoutVertical(LinearLayout.java:1729)
	at android.widget.LinearLayout.onLayout(LinearLayout.java:1638)
	at android.view.View.layout(View.java:25896)
	at android.view.ViewGroup.layout(ViewGroup.java:6567)
	at android.widget.RelativeLayout.onLayout(RelativeLayout.java:1103)
	at android.view.View.layout(View.java:25896)
	at android.view.ViewGroup.layout(ViewGroup.java:6567)
	at android.widget.FrameLayout.layoutChildren(FrameLayout.java:332)
	at android.widget.FrameLayout.onLayout(FrameLayout.java:270)
	at android.view.View.layout(View.java:25896)
	at android.view.ViewGroup.layout(ViewGroup.java:6567)
	at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1906)
	at android.widget.LinearLayout.layoutVertical(LinearLayout.java:1729)
	at android.widget.LinearLayout.onLayout(LinearLayout.java:1638)
	at android.view.View.layout(View.java:25896)
	at android.view.ViewGroup.layout(ViewGroup.java:6567)
	at android.widget.FrameLayout.layoutChildren(FrameLayout.java:332)
	at android.widget.FrameLayout.onLayout(FrameLayout.java:270)
	at android.view.View.layout(View.java:25896)
	at android.view.ViewGroup.layout(ViewGroup.java:6567)
	at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1906)
	at android.widget.LinearLayout.layoutVertical(LinearLayout.java:1729)
	at android.widget.LinearLayout.onLayout(LinearLayout.java:1638)
	at android.view.View.layout(View.java:25896)
	at android.view.ViewGroup.layout(ViewGroup.java:6567)
	at android.widget.FrameLayout.layoutChildren(FrameLayout.java:332)
	at android.widget.FrameLayout.onLayout(FrameLayout.java:270)
	at com.android.internal.policy.DecorView.onLayout(DecorView.java:852)
	at android.view.View.layout(View.java:25896)
	at android.view.ViewGroup.layout(ViewGroup.java:6567)
	at android.view.ViewRootImpl.performLayout(ViewRootImpl.java:5498)
	at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:4571)
	at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:3311)
	at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:11493)
	at android.view.Choreographer$CallbackRecord.run(Choreographer.java:1621)
	at android.view.Choreographer$CallbackRecord.run(Choreographer.java:1630)
	at android.view.Choreographer.doCallbacks(Choreographer.java:1154)
	at android.view.Choreographer.doFrame(Choreographer.java:1043)
	at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:1604)
	at android.os.Handler.handleCallback(Handler.java:973)
	at android.os.Handler.dispatchMessage(Handler.java:100)
	at android.os.Looper.loopOnce(Looper.java:282)
	at android.os.Looper.loop(Looper.java:387)
	at android.app.ActivityThread.main(ActivityThread.java:9500)
	at java.lang.reflect.Method.invoke(Native Method)
	at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:600)
	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1005)