java.lang.RuntimeException: Unable to start activity ComponentInfo{org.androidtown.myjsgexample/org.androidtown.myjsgexample.MainActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'void org.androidtown.myjsgexample.ApplicationController.buildNetworkService(java.lang.String, int)' on a null object reference

Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Samebug tips

,

Create an empty public constructor in your code.

Solutions on the web

via Stack Overflow by Horororong
, 1 year ago
Unable to start activity ComponentInfo{org.androidtown.myjsgexample/org.androidtown.myjsgexample.MainActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'void org.androidtown.myjsgexample.ApplicationController.buildNetworkService(java.lang.String, int)' on a null object reference
via Stack Overflow by HIREN DIXIT
, 1 month ago
Unable to start activity ComponentInfo{}: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.support.v7.widget.Toolbar.setNavigationIcon(int)' on a null object reference
via GitHub by jjhesk
, 1 year ago
Unable to start activity ComponentInfo{****}: java.lang.NullPointerException: Attempt to invoke virtual method 'void com.loopj.android.http.AsyncHttpClient.addHeader(java.lang.String, java.lang.String)' on a null object reference
via Stack Overflow by Used
, 5 months ago
Unable to start activity ComponentInfo{com.carte.alex.test3/com.carte.alex.test3.Main2Activity}: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.widget.CheckedTextView.setCompoundDrawablesWithIntrinsicBounds(int, int, int, int)' on a null object reference
via Stack Overflow by Om Infowave Developers
, 2 weeks ago
Unable to start activity ComponentInfo{com.mypackage/com.mypackage.activities.HomeActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.support.v7.widget.ContentFrameLayout.setDecorPadding(int, int, int, int)' on a null object reference
via GitHub by ahmedsaber00
, 10 months ago
Unable to start activity ComponentInfo{com.aa.aa/com.aa.aa.MainActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.view.View.setPadding(int, int, int, int)' on a null object reference
java.lang.RuntimeException: Unable to start activity ComponentInfo{org.androidtown.myjsgexample/org.androidtown.myjsgexample.MainActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'void org.androidtown.myjsgexample.ApplicationController.buildNetworkService(java.lang.String, int)' on a null object reference
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2416)

Users with the same issue

66 times, 3 weeks ago
Once, 2 months ago
33 times, 3 months ago
8 times, 3 months ago
468 times, 4 months ago

Write tip

Know the solutions? Share your knowledge to help other developers to debug faster.