java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.manv.nokialabs/com.example.albbaby.nokialabs.DisplayListView}: java.lang.NullPointerException: Attempt to invoke virtual method 'org.json.JSONArray org.json.JSONObject.getJSONArray(java.lang.String)' on a null object reference

Stack Overflow | Alby | 5 months ago
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    code for json listview throwing error

    Stack Overflow | 5 months ago | Alby
    java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.manv.nokialabs/com.example.albbaby.nokialabs.DisplayListView}: java.lang.NullPointerException: Attempt to invoke virtual method 'org.json.JSONArray org.json.JSONObject.getJSONArray(java.lang.String)' on a null object reference
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    java.lang.NullPointerException: Attempt to invoke virtual method 'org.json.JSONArray org.json.JSONObject.getJSONArray(java.lang.String)' on a null object reference
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    java.lang.NullPointerException: Attempt to invoke virtual method 'org.json.JSONArray org.json.JSONObject.getJSONArray(java.lang.String)' on a null object reference

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    Root Cause Analysis

    1. java.lang.NullPointerException

      Attempt to invoke virtual method 'org.json.JSONArray org.json.JSONObject.getJSONArray(java.lang.String)' on a null object reference

      at com.example.albbaby.nokialabs.DisplayListView.onCreate()
    2. com.example.albbaby
      DisplayListView.onCreate
      1. com.example.albbaby.nokialabs.DisplayListView.onCreate(DisplayListView.java:32)
      1 frame
    3. Android Platform
      ActivityThread.performLaunchActivity
      1. android.app.Activity.performCreate(Activity.java:6285)
      2. android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1108)
      3. android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2417)
      3 frames