java.lang.NullPointerException: Attempt to invoke interface method 'java.lang.Object[] java.util.Collection.toArray()' on a null object reference

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Root Cause Analysis

  1. java.lang.NullPointerException

    Attempt to invoke interface method 'java.lang.Object[] java.util.Collection.toArray()' on a null object reference

    at java.util.ArrayList.addAll()
  2. Java RT
    ArrayList.addAll
    1. java.util.ArrayList.addAll(ArrayList.java:188)
    1 frame
  3. Android Platform
    ArrayAdapter.addAll
    1. android.widget.ArrayAdapter.addAll(ArrayAdapter.java:210)
    1 frame
  4. com.thibaudperso.sonycamera
    CameraSettingsFragment$CameraSettings.onPostExecute
    1. com.thibaudperso.sonycamera.timelapse.fragments.CameraSettingsFragment$CameraSettings.onPostExecute(CameraSettingsFragment.java:311)
    2. com.thibaudperso.sonycamera.timelapse.fragments.CameraSettingsFragment$CameraSettings.onPostExecute(CameraSettingsFragment.java:297)
    2 frames
  5. Android Platform
    ActivityThread.main
    1. android.os.AsyncTask.finish(AsyncTask.java:651)
    2. android.os.AsyncTask.access$500(AsyncTask.java:180)
    3. android.os.AsyncTask$InternalHandler.handleMessage(AsyncTask.java:668)
    4. android.os.Handler.dispatchMessage(Handler.java:102)
    5. android.os.Looper.loop(Looper.java:148)
    6. android.app.ActivityThread.main(ActivityThread.java:5468)
    6 frames
  6. Java RT
    Method.invoke
    1. java.lang.reflect.Method.invoke(Native Method)
    1 frame
  7. Android
    ZygoteInit.main
    1. com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726)
    2. com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)
    2 frames