java.lang.RuntimeException

Unable to start activity ComponentInfo{application.cedie.myapplication/application.cedie.myapplication.MainActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.support.v7.widget.RecyclerView.setAdapter(android.support.v7.widget.RecyclerView$Adapter)' on a null object reference


Solutions on the web46521

Solution icon of stackoverflow
Unable to start activity ComponentInfo{application.cedie.myapplication/application.cedie.myapplication.MainActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.support.v7.widget.RecyclerView.setAdapter(android.support.v7.widget.RecyclerView$Adapter)' on a null object reference

Solution icon of stackoverflow
via Stack Overflow by Boulbi
, 11 months ago
Unable to start activity ComponentInfo{com.bignerdranch.android.photogallery/com.bignerdranch.android.photogallery.PhotoGalleryActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.support.v7.widget.RecyclerView.setAdapter(android.support.v7.widget.RecyclerView$Adapter)' on a null object reference

Solution icon of web
via codegur.net by Unknown author, 1 year ago
Unable to start activity ComponentInfo{com.hardboard.preferencetest/com.hardboard.preferencetest.MainActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.support.v7.widget.RecyclerView.setAdapter(android.support.v7.widget.RecyclerView$Adapter)' on a null object reference

Solution icon of stackoverflow
Unable to start activity ComponentInfo{h.safmical.swipe/h.safmical.swipe.recycle_view}: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.support.v7.widget.RecyclerView.setAdapter(android.support.v7.widget.RecyclerView$Adapter)' on a null object reference

Solution icon of stackoverflow
Unable to start activity ComponentInfo{com.example.android.budgetcrunch/com.example.android.budgetcrunch.FragmentActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.support.v7.widget.RecyclerView.setAdapter(android.support.v7.widget.RecyclerView$Adapter)' on a null object reference

Solution icon of stackoverflow
via Stack Overflow by EGA
, 1 year ago
Unable to start activity ComponentInfo{com.hardboard.preferencetest/com.hardboard.preferencetest.MainActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.support.v7.widget.RecyclerView.setAdapter(android.support.v7.widget.RecyclerView$Adapter)' on a null object reference

Solution icon of stackoverflow
Unable to start activity ComponentInfo{com.android.frutii.fitness5/com.android.frutii.fitness5.ActivityHome}: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.support.v7.widget.RecyclerView.setAdapter(android.support.v7.widget.RecyclerView$Adapter)' on a null object reference

Solution icon of stackoverflow
via Stack Overflow by Jamos SH
, 3 months ago
Unable to start activity ComponentInfo{etna.capitalsante/etna.capitalsante.view.DocumentFilter}: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.support.v7.widget.RecyclerView.setAdapter(android.support.v7.widget.RecyclerView$Adapter)' on a null object reference

Solution icon of stackoverflow
Unable to start activity ComponentInfo{com.example.aavgeensingh.shuddhi/com.example.aavgeensingh.shuddhi.Activities.aboutActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.support.v7.widget.RecyclerView.setAdapter(android.support.v7.widget.RecyclerView$Adapter)' on a null object reference

Solution icon of stackoverflow
Unable to start activity ComponentInfo{mobile.bt.app/mobile.bt.app.MainActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.support.v7.widget.RecyclerView.setLayoutManager(android.support.v7.widget.RecyclerView$LayoutManager)' on a null object reference

Stack trace

  • java.lang.RuntimeException: Unable to start activity ComponentInfo{application.cedie.myapplication/application.cedie.myapplication.MainActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.support.v7.widget.RecyclerView.setAdapter(android.support.v7.widget.RecyclerView$Adapter)' on a null object reference at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2316) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2376) at android.app.ActivityThread.access$800(ActivityThread.java:147) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1281) at android.os.Handler.dispatchMessage(Handler.java:102) at android.os.Looper.loop(Looper.java:135) at android.app.ActivityThread.main(ActivityThread.java:5253) at java.lang.reflect.Method.invoke(Native Method) at java.lang.reflect.Method.invoke(Method.java:372) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:949) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:744) Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.support.v7.widget.RecyclerView.setAdapter(android.support.v7.widget.RecyclerView$Adapter)' on a null object reference at application.cedie.myapplication.MainActivity.onCreate(MainActivity.java:65) at android.app.Activity.performCreate(Activity.java:5975) at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1105) at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2269)

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