java.lang.RuntimeException: Error receiving broadcast Intent { act=android.bluetooth.device.action.FOUND flg=0x10 pkg=com.entitcs.office_attendance (has extras) } in com.entitcs.office_attendance.BluetoothDeviceRelated$1@344c6dc
	at android.app.LoadedApk$ReceiverDispatcher$Args.lambda$getRunnable$0$LoadedApk$ReceiverDispatcher$Args(LoadedApk.java:1654)
	at android.app.-$$Lambda$LoadedApk$ReceiverDispatcher$Args$_BumDX2UKsnxLVrE6UJsJZkotuA.run(Unknown Source:2)
	at android.os.Handler.handleCallback(Handler.java:883)
	at android.os.Handler.dispatchMessage(Handler.java:100)
	at android.os.Looper.loop(Looper.java:238)
	at android.app.ActivityThread.main(ActivityThread.java:7824)
	at java.lang.reflect.Method.invoke(Native Method)
	at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:492)
	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:981)
Caused by: java.lang.NullPointerException: Attempt to read from null array
	at com.entitcs.office_attendance.BluetoothDeviceRelated.connectToDevice(BluetoothDeviceRelated.java:119)
	at com.entitcs.office_attendance.BluetoothDeviceRelated.access$000(BluetoothDeviceRelated.java:26)
	at com.entitcs.office_attendance.BluetoothDeviceRelated$1.onReceive(BluetoothDeviceRelated.java:96)
	at android.app.LoadedApk$ReceiverDispatcher$Args.lambda$getRunnable$0$LoadedApk$ReceiverDispatcher$Args(LoadedApk.java:1623)
	... 8 more