java.lang.NullPointerException

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  • java.lang.NullPointerException: Attempt to invoke virtual method 'boolean android.bluetooth.BluetoothGatt.discoverServices()' on a null object reference at com.actofit.wear.Home.LifeLogStopService$1.onConnectionStateChange(LifeLogStopService.java:103) at android.bluetooth.BluetoothGatt$1.onClientConnectionState(BluetoothGatt.java:181) at android.bluetooth.IBluetoothGattCallback$Stub.onTransact(IBluetoothGattCallback.java:70) at android.os.Binder.execTransact(Binder.java:453)
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