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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  • 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
  • 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
  • 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
  • Stack trace

    • 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 at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2298) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2360) at android.app.ActivityThread.access$800(ActivityThread.java:144) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1278) at android.os.Handler.dispatchMessage(Handler.java:102) at android.os.Looper.loop(Looper.java:135) at android.app.ActivityThread.main(ActivityThread.java:5221) 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:899) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:694) Caused by: 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(CrimeListFragment.java:19) at android.support.v4.app.Fragment.performCreate(Fragment.java:1763) at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:913) at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1126) at android.support.v4.app.BackStackRecord.run(BackStackRecord.java:739) at android.support.v4.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:1489) at android.support.v4.app.FragmentActivity.onStart(FragmentActivity.java:548) at android.app.Instrumentation.callActivityOnStart(Instrumentation.java:1220) at android.app.Activity.performStart(Activity.java:5949) at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2261) ... 10 more

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