java.lang.RuntimeException: Unable to start activity ComponentInfo{com.greenbergc.mysecondapp/com.greenbergc.mysecondapp.DisplayMessageActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.CharSequence android.support.v7.widget.Toolbar.getTitle()' on a null object reference

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Solutions on the web

via Stack Overflow by Malik
, 2 years ago
Unable to start activity ComponentInfo{com.greenbergc.mysecondapp/com.greenbergc.mysecondapp.DisplayMessageActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.CharSequence android.support.v7.widget.Toolbar.getTitle()' on a null object reference
via codegur.us by Unknown author, 1 year ago
Unable to start activity ComponentInfo{com.greenbergc.mysecondapp/com.greenbergc.mysecondapp.DisplayMessageActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.CharSequence android.support.v7.widget.Toolbar.getTitle()' on a null object reference
via codegur.net by Unknown author, 1 year ago
Unable to start activity ComponentInfo{com.greenbergc.mysecondapp/com.greenbergc.mysecondapp.DisplayMessageActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.CharSequence android.support.v7.widget.Toolbar.getTitle()' on a null object reference
via Stack Overflow by Chris
, 2 years ago
Unable to start activity ComponentInfo{com.abbod.christopher.unitconverter/com.abbod.christopher.unitconverter.MainActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.CharSequence android.support.v7.widget.Toolbar.getTitle()' on a null object reference
via Stack Overflow by Naveed Ahmed
, 2 years ago
Unable to start activity ComponentInfo{com.koshur.socialnetwork/com.koshur.socialnetwork.activities.ProfilePreview}: java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.CharSequence android.support.v7.widget.Toolbar.getTitle()' on a null object reference
via Stack Overflow by Kamalnrf
, 1 year ago
Unable to start activity ComponentInfo{com.example.kamalnrf.wallet/com.example.kamalnrf.wallet.Controllers.IdentityControllers.IndentityListActivity}: 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
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.greenbergc.mysecondapp/com.greenbergc.mysecondapp.DisplayMessageActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.CharSequence android.support.v7.widget.Toolbar.getTitle()' on a null object reference
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2693)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2758)
at android.app.ActivityThread.access$900(ActivityThread.java:177)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1448)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:145)
at android.app.ActivityThread.main(ActivityThread.java:5942)
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:1399)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1194)

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