java.lang.RuntimeException: Unable to start activity ComponentInfo{com.push.myapplication/com.push.myapplication.MainActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.Object android.content.Context.getSystemService(java.lang.String)' on a null object reference

Stack Overflow | toothpick | 11 months ago
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    Stack Overflow | 11 months ago | toothpick
    java.lang.RuntimeException: Unable to start activity ComponentInfo{com.push.myapplication/com.push.myapplication.MainActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.Object android.content.Context.getSystemService(java.lang.String)' on a null object reference
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    java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.Object android.content.Context.getSystemService(java.lang.String)' on a null object reference
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    rishitnandan.com | 2 years ago
    java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.Object android.content.Context.getSystemService(java.lang.String)' on a null object reference
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    java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.Object android.content.Context.getSystemService(java.lang.String)' on a null object reference
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Root Cause Analysis

  1. java.lang.NullPointerException

    Attempt to invoke virtual method 'java.lang.Object android.content.Context.getSystemService(java.lang.String)' on a null object reference

    at android.widget.ArrayAdapter.init()
  2. Android Platform
    ArrayAdapter.<init>
    1. android.widget.ArrayAdapter.init(ArrayAdapter.java:310)
    2. android.widget.ArrayAdapter.<init>(ArrayAdapter.java:153)
    2 frames
  3. com.push.myapplication
    MainActivity.onCreate
    1. com.push.myapplication.TabFragment2.addToList(TabFragment2.java:44)
    2. com.push.myapplication.MainActivity.onCreate(MainActivity.java:59)
    2 frames
  4. Android Platform
    ActivityThread.performLaunchActivity
    1. android.app.Activity.performCreate(Activity.java:5990)
    2. android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1106)
    3. android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2332)
    3 frames