java.lang.NullPointerException: Attempt to invoke virtual method 'android.content.res.Resources android.content.Context.getResources()' on a null object reference

Stack Overflow | Niklas | 1 month ago
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    Root Cause Analysis

    1. java.lang.NullPointerException

      Attempt to invoke virtual method 'android.content.res.Resources android.content.Context.getResources()' on a null object reference

      at android.content.ContextWrapper.getResources()
    2. Android Platform
      Context.getString
      1. android.content.ContextWrapper.getResources(ContextWrapper.java:86)
      2. android.view.ContextThemeWrapper.getResources(ContextThemeWrapper.java:74)
      3. android.content.Context.getString(Context.java:377)
      3 frames
    3. com.example.myname
      Hersteller$4$2.onClick
      1. com.example.myname.myappname.Hersteller$4$2.onClick(Hersteller.java:251)
      1 frame
    4. Android v7
      AlertController$ButtonHandler.handleMessage
      1. android.support.v7.app.AlertController$ButtonHandler.handleMessage(AlertController.java:153)
      1 frame
    5. Android Platform
      ActivityThread.main
      1. android.os.Handler.dispatchMessage(Handler.java:102)
      2. android.os.Looper.loop(Looper.java:211)
      3. android.app.ActivityThread.main(ActivityThread.java:5389)
      3 frames
    6. Java RT
      Method.invoke
      1. java.lang.reflect.Method.invoke(Native Method)
      2. java.lang.reflect.Method.invoke(Method.java:372)
      2 frames
    7. Android
      ZygoteInit.main
      1. com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1020)
      2. com.android.internal.os.ZygoteInit.main(ZygoteInit.java:815)
      2 frames