java.lang.RuntimeException: Unable to start activity ComponentInfo{com.myapp.map/com.myapp.map.CalenderEventsActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'void com.prolificinteractive.materialcalendarview.MaterialCalendarView.setOnDateChangedListener (com.prolificinteractive.materialcalendarview.o)' on a null object reference

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Solutions on the web

via Stack Overflow by JohnRogersColumbiaEDU
, 11 months ago
Unable to start activity ComponentInfo{com.myapp.map/com.myapp.map.CalenderEventsActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'void com.prolificinteractive.materialcalendarview.MaterialCalendarView.setOnDateChangedListener (com.prolificinteractive.materialcalendarview.o)' on a null object reference
via GitHub by derMart
, 1 year ago
Unable to start activity ComponentInfo{com.android.messaging/com.android.messaging.ui.appsettings.PerSubscriptionSettingsActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.preference.Preference.onPrepareForRemoval()' on a null object reference
via Stack Overflow by Gosha98
, 1 year ago
Unable to start activity ComponentInfo{it.brigata.folgore/xyz.klinker.wedding.IntroActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'void com.github.paolorotolo.appintro.PagerAdapter.notifyDataSetChanged()' on a null object reference
via Stack Overflow by Atul mishra
, 4 months ago
Unable to start activity ComponentInfo{com.example.mishr.icycandy/com.example.mishr.icycandy.Menu_activity}: java.lang.NullPointerException: Attempt to invoke virtual method 'void java.lang.Object.notify()' on a null object reference
via Stack Overflow by Hami
, 1 day ago
Unable to start activity ComponentInfo{com.example.name.audioplayer/com.example.name.audioplayer.Player}: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.media.MediaPlayer.start()' on a null object reference
via prog.hu by Unknown author, 2 years ago
Unable to start activity ComponentInfo{comevidentia.wix.evidentia.www.krudyapp/comevidentia.wix.evidentia.www.krudyapp.informaciok.informaciokActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.widget.TabHost.setup()' on a null object reference
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.myapp.map/com.myapp.map.CalenderEventsActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'void com.prolificinteractive.materialcalendarview.MaterialCalendarView.setOnDateChangedListener (com.prolificinteractive.materialcalendarview.o)' on a null object reference
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2426)

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