Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Solutions on the web

via GitHub by felixgillen
, 1 year ago
Attempt to invoke interface method 'void android.bluetooth.BluetoothAdapter$LeScanCallback.onLeScan(android.bluetooth.BluetoothDevice, int, byte[])' on a null object reference
java.lang.NullPointerException: Attempt to invoke interface method 'void android.bluetooth.BluetoothAdapter$LeScanCallback.onLeScan(android.bluetooth.BluetoothDevice, int, byte[])' on a null object reference	at com.sensorberg.bluetooth.CrashCallBackWrapper.onLeScan(CrashCallBackWrapper.java:59)	at android.bluetooth.BluetoothAdapter$4.onScanResult(BluetoothAdapter.java:3261)	at android.bluetooth.le.BluetoothLeScanner$BleScanCallbackWrapper$1.run(BluetoothLeScanner.java:413)	at android.os.Handler.handleCallback(Handler.java:739)	at android.os.Handler.dispatchMessage(Handler.java:95)	at android.os.Looper.loop(Looper.java:158)	at android.app.ActivityThread.main(ActivityThread.java:7224)	at java.lang.reflect.Method.invoke(Method.java)	at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1230)	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1120)