java.lang.NullPointerException: Attempt to invoke interface method 'int java.util.List.size()' on a null object reference

Stack Overflow | Kripzy | 4 months ago
  1. 0

    Checking if JSONObject is null, and in doing so crashes my application

    Stack Overflow | 4 months ago | Kripzy
    java.lang.NullPointerException: Attempt to invoke interface method 'int java.util.List.size()' on a null object reference
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    Stack Overflow | 1 year ago | Insside You
    java.lang.NullPointerException: Attempt to invoke interface method 'int java.util.List.size()' on a null object reference
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    json data not parse error gives in doinbackground() method

    Stack Overflow | 9 months ago | Mehul Bhanderi
    java.lang.NullPointerException: Attempt to invoke interface method 'int java.util.List.size()' on a null object reference
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    Opening download directory selection browser crashes on Android 6.0

    GitHub | 8 months ago | Twinklebear
    java.lang.NullPointerException: Attempt to invoke interface method 'int java.util.List.size()' on a null object reference
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    Showing Error :Attempt to invoke interface method 'int java.util.List.size()' on a null object reference

    Stack Overflow | 8 months ago | Kundan Kumar
    java.lang.NullPointerException: Attempt to invoke interface method 'int java.util.List.size()' on a null object reference

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Root Cause Analysis

  1. java.lang.NullPointerException

    Attempt to invoke interface method 'int java.util.List.size()' on a null object reference

    at android.widget.ArrayAdapter.getCount()
  2. Android Platform
    ListView.setAdapter
    1. android.widget.ArrayAdapter.getCount(ArrayAdapter.java:337)
    2. android.widget.ListView.setAdapter(ListView.java:491)
    2 frames
  3. com.kripzy.lolbuilds
    Aatrox$JSONTask.onPostExecute
    1. com.kripzy.lolbuilds.Aatrox$JSONTask.onPostExecute(Aatrox.java:447)
    2. com.kripzy.lolbuilds.Aatrox$JSONTask.onPostExecute(Aatrox.java:67)
    2 frames
  4. Android Platform
    AsyncTask.finish
    1. android.os.AsyncTask.finish(AsyncTask.java:651)
    1 frame