java.lang.NullPointerException: Attempt to invoke virtual method 'com.google.firebase.storage.StorageReference com.google.firebase.storage.FirebaseStorage.getReferenceFromUrl(java.lang.String)' on a null object reference

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    Deleting or updating an entry in an SQLite database in Android

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    Stack Overflow | 10 months ago | Sanan.Durani
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    Root Cause Analysis

    1. java.lang.NullPointerException

      Attempt to invoke virtual method 'com.google.firebase.storage.StorageReference com.google.firebase.storage.FirebaseStorage.getReferenceFromUrl(java.lang.String)' on a null object reference

      at oerrride.we.huzykamz.testingappfirebase.MyAdapter.<init>()
    2. oerrride.we.huzykamz
      MainActivity$1.onChildAdded
      1. oerrride.we.huzykamz.testingappfirebase.MyAdapter.<init>(MyAdapter.java:29)
      2. oerrride.we.huzykamz.testingappfirebase.MainActivity.LoadData(MainActivity.java:97)
      3. oerrride.we.huzykamz.testingappfirebase.MainActivity$1.onChildAdded(MainActivity.java:53)
      3 frames
    3. com.google.android
      zzajh$1.run
      1. com.google.android.gms.internal.zzahe.zza(Unknown Source)
      2. com.google.android.gms.internal.zzaje.zzcta(Unknown Source)
      3. com.google.android.gms.internal.zzajh$1.run(Unknown Source)
      3 frames
    4. Android Platform
      ActivityThread.main
      1. android.os.Handler.handleCallback(Handler.java:739)
      2. android.os.Handler.dispatchMessage(Handler.java:95)
      3. android.os.Looper.loop(Looper.java:148)
      4. android.app.ActivityThread.main(ActivityThread.java:5417)
      4 frames
    5. Java RT
      Method.invoke
      1. java.lang.reflect.Method.invoke(Native Method)
      1 frame
    6. Android
      ZygoteInit.main
      1. com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726)
      2. com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)
      2 frames