java.lang.RuntimeException: Unable to start activity ComponentInfo{br.com.pedro.pedrodaumas/br.com.pedro.pedrodaumas.MainActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.widget.ListView.setAdapter(android.widget.ListAdapter)' on a null object reference

Stack Overflow | Pedro Daumas | 4 months ago
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    NullPointerException when using layout

    Stack Overflow | 4 months ago | Pedro Daumas
    java.lang.RuntimeException: Unable to start activity ComponentInfo{br.com.pedro.pedrodaumas/br.com.pedro.pedrodaumas.MainActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.widget.ListView.setAdapter(android.widget.ListAdapter)' on a null object reference
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    ListAdapter "Error java.lang.NullPointerException"

    Stack Overflow | 4 months ago | Pedro Daumas
    java.lang.RuntimeException: Unable to start activity ComponentInfo{br.com.pedro.pedrodaumas/br.com.pedro.pedrodaumas.MainActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.widget.ListView.setAdapter(android.widget.ListAdapter)' on a null object reference
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    Stack Overflow | 2 years ago
    java.lang.NullPointerException: Attempt to invoke virtual method 'void android.widget.ListView.setAdapter(android.widget.ListAdapter)' on a null object reference
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    NullPointerException navigationDrawer and tabs in android

    Stack Overflow | 1 year ago | Dusan Dimitrijevic
    java.lang.RuntimeException: Unable to start activity ComponentInfo{com.dusandimitrijevic.spisakzakupovinu/com.dusandimitrijevic.spisakzakupovinu.MainActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.widget.ListView.setAdapter(android.widget.ListAdapter)' on a null object reference
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    Problème de listAdapter

    developpez.net | 12 months ago
    java.lang.NullPointerException: Attempt to invoke virtual method 'void android.widget.ListView.setAdapter(android.widget.ListAdapter)' on a null object reference

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    Root Cause Analysis

    1. java.lang.NullPointerException

      Attempt to invoke virtual method 'void android.widget.ListView.setAdapter(android.widget.ListAdapter)' on a null object reference

      at br.com.pedro.pedrodaumas.MainActivity.onCreate()
    2. br.com.pedro
      MainActivity.onCreate
      1. br.com.pedro.pedrodaumas.MainActivity.onCreate(MainActivity.java:44)
      1 frame
    3. Android Platform
      ActivityThread.performLaunchActivity
      1. android.app.Activity.performCreate(Activity.java:6178)
      2. android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1118)
      3. android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2650)
      3 frames