java.lang.NullPointerException: collection == null

Stack Overflow | V1 Kr | 8 months ago
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Root Cause Analysis

  1. java.lang.NullPointerException

    collection == null

    at java.util.ArrayList.<init>()
  2. Java RT
    ArrayList.<init>
    1. java.util.ArrayList.<init>(ArrayList.java:94)
    1 frame
  3. Android Platform
    HandlerThread.run
    1. android.widget.ArrayAdapter$ArrayFilter.performFiltering(ArrayAdapter.java:456)
    2. android.widget.Filter$RequestHandler.handleMessage(Filter.java:234)
    3. android.os.Handler.dispatchMessage(Handler.java:111)
    4. android.os.Looper.loop(Looper.java:194)
    5. android.os.HandlerThread.run(HandlerThread.java:61)
    5 frames