java.lang.NullPointerException

Stack Overflow | Shinya | 6 months ago
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Root Cause Analysis

  1. java.lang.NullPointerException

    No message provided

    at com.example.bang.stepuptest2.ScannerActivity.onDeviceSelected()
  2. com.example.bang
    ScannerActivity.onDeviceSelected
    1. com.example.bang.stepuptest2.ScannerActivity.onDeviceSelected(ScannerActivity.java:64)
    1 frame
  3. com.mbientlab.bletoolbox
    BleScannerFragment$2.onItemClick
    1. com.mbientlab.bletoolbox.scanner.BleScannerFragment$2.onItemClick(BleScannerFragment.java:205)
    1 frame
  4. Android Platform
    ActivityThread.main
    1. android.widget.AdapterView.performItemClick(AdapterView.java:299)
    2. android.widget.AbsListView.performItemClick(AbsListView.java:1156)
    3. android.widget.AbsListView$PerformClick.run(AbsListView.java:2947)
    4. android.widget.AbsListView$3.run(AbsListView.java:3681)
    5. android.os.Handler.handleCallback(Handler.java:733)
    6. android.os.Handler.dispatchMessage(Handler.java:95)
    7. android.os.Looper.loop(Looper.java:149)
    8. android.app.ActivityThread.main(ActivityThread.java:5268)
    8 frames
  5. Java RT
    Method.invoke
    1. java.lang.reflect.Method.invokeNative(Native Method)
    2. java.lang.reflect.Method.invoke(Method.java:515)
    2 frames
  6. Android
    ZygoteInit.main
    1. com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:793)
    2. com.android.internal.os.ZygoteInit.main(ZygoteInit.java:609)
    2 frames
  7. Android Platform
    NativeStart.main
    1. dalvik.system.NativeStart.main(Native Method)
    1 frame