java.lang.RuntimeException: Unable to start activity ComponentInfo{criminalintent.android.bignerdranch.com.criminalintent/criminalintent.android.bignerdranch.com.criminalintent.CrimeListActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'java.util.ArrayList criminalintent.android.bignerdranch.com.criminalintent.CrimeLab.getCrimes()' on a null object reference

bignerdranch.com | 2 months ago
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  1. 0

    Getting Null Pointer Exception after Listing 9.14 - 9. Displaying Lists with ListFragment - Big Nerd Ranch Books

    bignerdranch.com | 10 months ago
    java.lang.RuntimeException: Unable to start activity ComponentInfo{criminalintent.android.bignerdranch.com.criminalintent/criminalintent.android.bignerdranch.com.criminalintent.CrimeListActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'java.util.ArrayList criminalintent.android.bignerdranch.com.criminalintent.CrimeLab.getCrimes()' on a null object reference
  2. 0

    Getting Null Pointer Exception after Listing 9.14 - 9. Displaying Lists with ListFragment - Big Nerd Ranch Books Forums

    bignerdranch.com | 7 months ago
    java.lang.RuntimeException: Unable to start activity ComponentInfo{criminalintent.android.bignerdranch.com.criminalintent/criminalintent.android.bignerdranch.com.criminalintent.CrimeListActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'java.util.ArrayList criminalintent.android.bignerdranch.com.criminalintent.CrimeLab.getCrimes()' on a null object reference
  3. 0

    Getting Null Pointer Exception after Listing 9.14 - 9. Displaying Lists with ListFragment - Big Nerd Ranch Book Forums

    bignerdranch.com | 2 months ago
    java.lang.RuntimeException: Unable to start activity ComponentInfo{criminalintent.android.bignerdranch.com.criminalintent/criminalintent.android.bignerdranch.com.criminalintent.CrimeListActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'java.util.ArrayList criminalintent.android.bignerdranch.com.criminalintent.CrimeLab.getCrimes()' on a null object reference
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  5. 0

    Attempt to invoke virtual method on a null object reference - Android - java

    developer-works.com | 1 year ago
    java.lang.NullPointerException: Attempt to invoke virtual method 'java.util.ArrayList foto.studio.SQLiteDataSource.getAllImageItems()' on a null object reference at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2693) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2758) at android.app.ActivityThread.access$900(ActivityThread.java:177) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1448) at android.os.Handler.dispatchMessage(Handler.java:102) at android.os.Looper.loop(Looper.java:145) at android.app.ActivityThread.main(ActivityThread.java:5942) at java.lang.reflect.Method.invoke(Native Method) at java.lang.reflect.Method.invoke(Method.java:372) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1400)
  6. 0

    Attempt to invoke virtual method on a null object reference

    xluat.com | 1 year ago
    java.lang.NullPointerException: Attempt to invoke virtual method 'java.util.ArrayList foto.studio.SQLiteDataSource.getAllImageItems()' on a null object reference at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2693) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2758) at android.app.ActivityThread.access$900(ActivityThread.java:177) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1448) at android.os.Handler.dispatchMessage(Handler.java:102) at android.os.Looper.loop(Looper.java:145) at android.app.ActivityThread.main(ActivityThread.java:5942) at java.lang.reflect.Method.invoke(Native Method) at java.lang.reflect.Method.invoke(Method.java:372) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1400)

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    Root Cause Analysis

    1. java.lang.NullPointerException

      Attempt to invoke virtual method 'java.util.ArrayList criminalintent.android.bignerdranch.com.criminalintent.CrimeLab.getCrimes()' on a null object reference

      at criminalintent.android.bignerdranch.com.criminalintent.CrimeListFragment.onCreate()
    2. criminalintent.android.bignerdranch
      CrimeListFragment.onCreate
      1. criminalintent.android.bignerdranch.com.criminalintent.CrimeListFragment.onCreate(CrimeListFragment.java:19)
      1 frame
    3. Android Support v4
      FragmentActivity.onStart
      1. android.support.v4.app.Fragment.performCreate(Fragment.java:1763)
      2. android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:913)
      3. android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1126)
      4. android.support.v4.app.BackStackRecord.run(BackStackRecord.java:739)
      5. android.support.v4.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:1489)
      6. android.support.v4.app.FragmentActivity.onStart(FragmentActivity.java:548)
      6 frames
    4. Android Platform
      ActivityThread.main
      1. android.app.Instrumentation.callActivityOnStart(Instrumentation.java:1220)
      2. android.app.Activity.performStart(Activity.java:5949)
      3. android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2261)
      4. android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2360)
      5. android.app.ActivityThread.access$800(ActivityThread.java:144)
      6. android.app.ActivityThread$H.handleMessage(ActivityThread.java:1278)
      7. android.os.Handler.dispatchMessage(Handler.java:102)
      8. android.os.Looper.loop(Looper.java:135)
      9. android.app.ActivityThread.main(ActivityThread.java:5221)
      9 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:899)
      2. com.android.internal.os.ZygoteInit.main(ZygoteInit.java:694)
      2 frames