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


Solutions on the web46458

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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

Solution icon of github
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

Solution icon of github
via GitHub by SlideAutoreport
, 1 year ago
Unable to start activity ComponentInfo{me.ccrama.redditslide/me.ccrama.redditslide.Activities.SettingsBackup}: java.lang.NullPointerException: Attempt to invoke virtual method 'void com.google.android.gms.common.api.GoogleApiClient.connect()' on a null object reference

Solution icon of stackoverflow
via Stack Overflow by Will
, 1 year ago
Unable to start activity ComponentInfo{com.example.jobpool/com.example.jobpool.Signup}: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.app.ActionBar.hide()' on a null object reference

Solution icon of stackoverflow
Unable to start activity ComponentInfo{preventioninnovations.preventapp/preventioninnovations.preventapp.MainActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'void java.io.BufferedWriter.close()' on a null object reference

Solution icon of stackoverflow
Unable to start activity ComponentInfo{uk.co.XXXX.EditFactFind}: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.app.ActionBar.setDisplayHomeAsUpEnabled(boolean)' on a null object reference

Solution icon of stackoverflow
via Stack Overflow by Jdbaba
, 1 year ago
Unable to start activity ComponentInfo{jdexamples.app13_exploringtabs/jdexamples.app13_exploringtabs.MainActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.widget.TabHost.setup()' on a null object reference

Solution icon of stackoverflow
Unable to start activity ComponentInfo{.Categories}: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.widget.RelativeLayout.setVisibility(int)' on a null object reference

Solution icon of stackoverflow
Unable to start activity ComponentInfo{com.example.sandesh.filer/com.example.sandesh.filer.NewFilebrowser.fileselect}: java.lang.NullPointerException: Attempt to invoke virtual method 'void com.example.sandesh.filer.NewFilebrowser.Images.imageProgressOn()' on a null object reference

Solution icon of stackoverflow
Unable to start activity ComponentInfo{com.novachevskyi.databindingtest/com.novachevskyi.databindingtest.MainActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'void com.novachevskyi.databindingtest.databinding.CustomViewBinding.invalidateAll()' on a null object reference

Stack trace

  • 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) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2490)

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