java.lang.RuntimeException: Unable to start activity ComponentInfo{com.pcinpact/com.pcinpact.ArticleActivity}: java.lang.NullPointerException: Attempt to invoke interface method 'android.view.MenuItem android.view.Menu.findItem(int)' on a null object reference
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2335)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2397)
at android.app.ActivityThread.handleRelaunchActivity(ActivityThread.java:3961)
at android.app.ActivityThread.access$900(ActivityThread.java:151)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1316)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:135)
at android.app.ActivityThread.main(ActivityThread.java:5268)
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:902)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:697)
Caused by: java.lang.NullPointerException: Attempt to invoke interface method 'android.view.MenuItem android.view.Menu.findItem(int)' on a null object reference
at com.pcinpact.ArticleActivity$1.onPageSelected(ArticleActivity.java:93)
at android.support.v4.view.ViewPager.setCurrentItemInternal(ViewPager.java:548)
at android.support.v4.view.ViewPager.setCurrentItemInternal(ViewPager.java:514)
at android.support.v4.view.ViewPager.onRestoreInstanceState(ViewPager.java:1287)
at android.view.View.dispatchRestoreInstanceState(View.java:13758)
at android.view.ViewGroup.dispatchRestoreInstanceState(ViewGroup.java:2890)
at android.view.ViewGroup.dispatchRestoreInstanceState(ViewGroup.java:2896)
at android.view.View.restoreHierarchyState(View.java:13736)
at com.android.internal.policy.impl.PhoneWindow.restoreHierarchyState(PhoneWindow.java:2042)
at android.app.Activity.onRestoreInstanceState(Activity.java:1032)
at android.app.Activity.performRestoreInstanceState(Activity.java:987)
at android.app.Instrumentation.callActivityOnRestoreInstanceState(Instrumentation.java:1162)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2308)
... 11 more
2 occurrences.
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.pcinpact/com.pcinpact.ArticleActivity}: java.lang.NullPointerException: Attempt to invoke interface method 'android.view.MenuItem android.view.Menu.findItem(int)' on a null object reference at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2335) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2397) at android.app.ActivityThread.handleRelaunchActivity(ActivityThread.java:3961) at android.app.ActivityThread.access$900(ActivityThread.java:151) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1316) at android.os.Handler.dispatchMessage(Handler.java:102) at android.os.Looper.loop(Looper.java:135) at android.app.ActivityThread.main(ActivityThread.java:5268) 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:902) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:697) Caused by: java.lang.NullPointerException: Attempt to invoke interface method 'android.view.MenuItem android.view.Menu.findItem(int)' on a null object reference at com.pcinpact.ArticleActivity$1.onPageSelected(ArticleActivity.java:93) at android.support.v4.view.ViewPager.setCurrentItemInternal(ViewPager.java:548) at android.support.v4.view.ViewPager.setCurrentItemInternal(ViewPager.java:514) at android.support.v4.view.ViewPager.onRestoreInstanceState(ViewPager.java:1287) at android.view.View.dispatchRestoreInstanceState(View.java:13758) at android.view.ViewGroup.dispatchRestoreInstanceState(ViewGroup.java:2890) at android.view.ViewGroup.dispatchRestoreInstanceState(ViewGroup.java:2896) at android.view.View.restoreHierarchyState(View.java:13736) at com.android.internal.policy.impl.PhoneWindow.restoreHierarchyState(PhoneWindow.java:2042) at android.app.Activity.onRestoreInstanceState(Activity.java:1032) at android.app.Activity.performRestoreInstanceState(Activity.java:987) at android.app.Instrumentation.callActivityOnRestoreInstanceState(Instrumentation.java:1162) at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2308) ... 11 more