java.lang.RuntimeException

Unable to start activity ComponentInfo{com.mycollege.mait/com.mycollege.mait.Preferences}: java.lang.NullPointerException: storage == null

Solutions on the web40705

  • Unable to start activity ComponentInfo{com.mycollege.mait/com.mycollege.mait.Preferences}: java.lang.NullPointerException: storage == null
  • Unable to start activity ComponentInfo{attendance.emily.example.com.attendance/attendance.emily.example.com.attendance.MainActivity}: java.lang.NullPointerException: storage == null
  • Unable to start activity ComponentInfo{vn.fall.thangpq.blogreader/vn.fall.thangpq.blogreader.MainListActivity}: java.lang.NullPointerException: storage == null
  • Stack trace

    • java.lang.RuntimeException: Unable to start activity ComponentInfo{com.mycollege.mait/com.mycollege.mait.Preferences}: java.lang.NullPointerException: storage == null at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2339) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2413) at android.app.ActivityThread.access$800(ActivityThread.java:155) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1317) at android.os.Handler.dispatchMessage(Handler.java:102) at android.os.Looper.loop(Looper.java:135) at android.app.ActivityThread.main(ActivityThread.java:5343) at java.lang.reflect.Method.invoke(Native Method) at java.lang.reflect.Method.invoke(Method.java:372) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:905) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:700) Caused by: java.lang.NullPointerException: storage == null at java.util.Arrays$ArrayList.<init>(Arrays.java:38) at java.util.Arrays.asList(Arrays.java:155) at android.widget.ArrayAdapter.<init>(ArrayAdapter.java:128) at com.mycollege.mait.Preferences.onCreate(Preferences.java:272) at android.app.Activity.performCreate(Activity.java:6010) at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1129) at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2292)

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