java.lang.NullPointerException: Attempt to invoke virtual method 'void ahmad.saberghadim.kums.app.AppController.addToRequestQueue(com.android.volley.Request, java.lang.String)' on a null object reference

Stack Overflow | Dr. selim | 3 months ago
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    app stopped working, httpClient

    Stack Overflow | 3 months ago | Dr. selim
    java.lang.NullPointerException: Attempt to invoke virtual method 'void ahmad.saberghadim.kums.app.AppController.addToRequestQueue(com.android.volley.Request, java.lang.String)' on a null object reference
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    Stack Overflow | 10 months ago | JJSmith
    java.lang.NullPointerException: Attempt to invoke virtual method 'void com.example.rory.pocketchef.app.AppController.addToRequestQueue(com.android.volley.Request, java.lang.String)' on a null object reference
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    Stack Overflow | 1 year ago | Akshay
    java.lang.NullPointerException: Attempt to invoke virtual method 'void com.example.akshay.webservices.AppController.addToRequestQueue(com.android.volley.Request, java.lang.String)' on a null object reference
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    Stack Overflow | 1 year ago | akenawell85x
    java.lang.NullPointerException: Attempt to invoke virtual method 'void com.example.gps.gpsgametest2.app.AppController.addToRequestQueue(com.android.volley.Request, java.lang.String)' on a null object reference
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    Null Object Reference Error: Android Studio using SQLite

    Stack Overflow | 2 years ago | DarkMalice
    java.lang.NullPointerException: Attempt to invoke virtual method 'void com.disclosure_scots.disclosure_scots.AppController.addToRequestQueue(com.android.volley.Request, java.lang.String)' on a null object reference

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    Root Cause Analysis

    1. java.lang.NullPointerException

      Attempt to invoke virtual method 'void ahmad.saberghadim.kums.app.AppController.addToRequestQueue(com.android.volley.Request, java.lang.String)' on a null object reference

      at ahmad.saberghadim.kums.activity.RegisterActivity.registerUser()
    2. ahmad.saberghadim.kums
      RegisterActivity$1.onClick
      1. ahmad.saberghadim.kums.activity.RegisterActivity.registerUser(RegisterActivity.java:182)
      2. ahmad.saberghadim.kums.activity.RegisterActivity.access$300(RegisterActivity.java:32)
      3. ahmad.saberghadim.kums.activity.RegisterActivity$1.onClick(RegisterActivity.java:92)
      3 frames
    3. Android Platform
      ActivityThread.main
      1. android.view.View.performClick(View.java:4789)
      2. android.view.View$PerformClick.run(View.java:19881)
      3. android.os.Handler.handleCallback(Handler.java:739)
      4. android.os.Handler.dispatchMessage(Handler.java:95)
      5. android.os.Looper.loop(Looper.java:135)
      6. android.app.ActivityThread.main(ActivityThread.java:5294)
      6 frames
    4. Java RT
      Method.invoke
      1. java.lang.reflect.Method.invoke(Native Method)
      2. java.lang.reflect.Method.invoke(Method.java:372)
      2 frames
    5. Android
      ZygoteInit.main
      1. com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:904)
      2. com.android.internal.os.ZygoteInit.main(ZygoteInit.java:699)
      2 frames