java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.String java.lang.Object.toString()' on a null object reference

Stack Overflow | Rikhil Shah | 1 week ago
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  1. 0

    Attempt to invoke virtual method 'java.lang.String java.lang.Object.toString()' on a null object reference?

    Stack Overflow | 1 week ago | Rikhil Shah
    java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.String java.lang.Object.toString()' on a null object reference
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    samebug tip
    Initialize the variable before calling a method on it.
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    Use 'dialog' to access views from custom_layout layout.
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    The resource was accessed after it was dismissed.
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    Android Studio Image Capture And Firebase Upload + Retrieving

    Stack Overflow | 2 weeks ago | Rikhil Shah
    java.lang.RuntimeException: Failure delivering result ResultInfo{who=null, request=1, result=-1, data=Intent { act=inline-data (has extras) }} to activity {com.example.rikhi.chores/com.example.rikhi.chores.LoginRegister.InsideMainActivity.LeaderboardActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.String android.net.Uri.getLastPathSegment()' on a null object reference

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    Root Cause Analysis

    1. java.lang.NullPointerException

      Attempt to invoke virtual method 'java.lang.String java.lang.Object.toString()' on a null object reference

      at com.example.rikhi.chores.MainActivity$1.onDataChange()
    2. com.example.rikhi
      MainActivity$1.onDataChange
      1. com.example.rikhi.chores.MainActivity$1.onDataChange(MainActivity.java:64)
      1 frame