java.lang.NullPointerException: null reference
at com.google.android.gms.common.internal.Preconditions.checkNotNull(Unknown Source)
at com.google.android.gms.fitness.Fitness.getHistoryClient(Unknown Source)
at com.ovalmoney.fitness.manager.Manager.getCalories(Manager.java:353)
at com.ovalmoney.fitness.RNFitnessModule.getCalories(RNFitnessModule.java:167)
at java.lang.reflect.Method.invoke(Native Method)
at com.facebook.react.bridge.JavaMethodWrapper.invoke(JavaMethodWrapper.java:372)
at com.facebook.react.bridge.JavaModuleWrapper.invoke(JavaModuleWrapper.java:151)
at com.facebook.react.bridge.queue.NativeRunnable.run(Native Method)
at android.os.Handler.handleCallback(Handler.java:754)
at android.os.Handler.dispatchMessage(Handler.java:95)
at com.facebook.react.bridge.queue.MessageQueueThreadHandler.dispatchMessage(MessageQueueThreadHandler.java:27)
at android.os.Looper.loop(Looper.java:165)
at com.facebook.react.bridge.queue.MessageQueueThreadImpl$4.run(MessageQueueThreadImpl.java:226)
at java.lang.Thread.run(Thread.java:760)
java.lang.NullPointerException: null reference at com.google.android.gms.common.internal.Preconditions.checkNotNull(Unknown Source) at com.google.android.gms.fitness.Fitness.getHistoryClient(Unknown Source) at com.ovalmoney.fitness.manager.Manager.getCalories(Manager.java:353) at com.ovalmoney.fitness.RNFitnessModule.getCalories(RNFitnessModule.java:167) at java.lang.reflect.Method.invoke(Native Method) at com.facebook.react.bridge.JavaMethodWrapper.invoke(JavaMethodWrapper.java:372) at com.facebook.react.bridge.JavaModuleWrapper.invoke(JavaModuleWrapper.java:151) at com.facebook.react.bridge.queue.NativeRunnable.run(Native Method) at android.os.Handler.handleCallback(Handler.java:754) at android.os.Handler.dispatchMessage(Handler.java:95) at com.facebook.react.bridge.queue.MessageQueueThreadHandler.dispatchMessage(MessageQueueThreadHandler.java:27) at android.os.Looper.loop(Looper.java:165) at com.facebook.react.bridge.queue.MessageQueueThreadImpl$4.run(MessageQueueThreadImpl.java:226) at java.lang.Thread.run(Thread.java:760)