java.lang.RuntimeException

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    • java.lang.RuntimeException: Unable to start service com.hyechon.etrackermv.ServiceClass@7566889 with Intent { cmp=com.hyechon.etrackermv/.ServiceClass }: java.lang.NullPointerException: Attempt to invoke virtual method 'void com.hyechon.etrackermv.camera.CameraSourcePreview.start(com.google.android.gms.vision.CameraSource)' on a null object reference at android.app.ActivityThread.handleServiceArgs(ActivityThread.java:4079) at android.app.ActivityThread.access$2400(ActivityThread.java:221) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1897) at android.os.Handler.dispatchMessage(Handler.java:102) at android.os.Looper.loop(Looper.java:158) at android.app.ActivityThread.main(ActivityThread.java:7225) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1230) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1120) Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'void com.hyechon.etrackermv.camera.CameraSourcePreview.start(com.google.android.gms.vision.CameraSource)' on a null object reference at com.hyechon.etrackermv.ServiceClass.startCameraSource(ServiceClass.java:255) at com.hyechon.etrackermv.ServiceClass.onStartCommand(ServiceClass.java:136) at android.app.ActivityThread.handleServiceArgs(ActivityThread.java:4062)
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