java.lang.NullPointerException: Attempt to read from field 'android.content.SharedPreferences com.example.mahadev.listview2.MySharedPrefLib.sharedpreferences' on a null object reference

Stack Overflow | kunal nikam | 3 months ago
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    Android shared preferences error while accessing data without internet

    Stack Overflow | 3 months ago | kunal nikam
    java.lang.NullPointerException: Attempt to read from field 'android.content.SharedPreferences com.example.mahadev.listview2.MySharedPrefLib.sharedpreferences' on a null object reference
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    Stack Overflow | 4 months ago | Jonathon Charles Loch
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    java.lang.NullPointerException: Attempt to read from field ' com.android.okio.Segment.limit' on a object reference
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    [BugReport] Attempt to invoke interface method 'void com.jecelyin.android.file_explorer.listener.BoolResultListener.onResult(boolean)' on a null object reference

    GitHub | 1 month ago | 920-Text-Editor-User
    java.lang.NullPointerException: Attempt to read from field 'boolean com.jecelyin.android.file_explorer.FileListPagerFragment$ScanFilesTask.isRoot' on a null object reference

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    Root Cause Analysis

    1. java.lang.NullPointerException

      Attempt to read from field 'android.content.SharedPreferences com.example.mahadev.listview2.MySharedPrefLib.sharedpreferences' on a null object reference

      at com.example.mahadev.listview2.MainActivity$1$1.onResponse()
    2. com.example.mahadev
      MainActivity$1$1.onResponse
      1. com.example.mahadev.listview2.MainActivity$1$1.onResponse(MainActivity.java:58)
      2. com.example.mahadev.listview2.MainActivity$1$1.onResponse(MainActivity.java:52)
      2 frames
    3. Android-Volley Library
      ExecutorDelivery$ResponseDeliveryRunnable.run
      1. com.android.volley.toolbox.StringRequest.deliverResponse(StringRequest.java:60)
      2. com.android.volley.toolbox.StringRequest.deliverResponse(StringRequest.java:30)
      3. com.android.volley.ExecutorDelivery$ResponseDeliveryRunnable.run(ExecutorDelivery.java:99)
      3 frames
    4. Android Platform
      ActivityThread.main
      1. android.os.Handler.handleCallback(Handler.java:739)
      2. android.os.Handler.dispatchMessage(Handler.java:95)
      3. android.os.Looper.loop(Looper.java:135)
      4. android.app.ActivityThread.main(ActivityThread.java:5343)
      4 frames
    5. Java RT
      Method.invoke
      1. java.lang.reflect.Method.invoke(Native Method)
      2. java.lang.reflect.Method.invoke(Method.java:372)
      2 frames
    6. Android
      ZygoteInit.main
      1. com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:905)
      2. com.android.internal.os.ZygoteInit.main(ZygoteInit.java:700)
      2 frames