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 web

Solution icon of stackoverflow
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
Unable to start activity ComponentInfo{****}: java.lang.NullPointerException: Attempt to invoke virtual method 'void com.loopj.android.http.AsyncHttpClient.addHeader(java.lang.String, java.lang.String)' 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{MainActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'void com.google.android.gms.maps.SupportMapFragment.getMapAsync(com.google.android.gms.maps.OnMapReadyCallback)' on a null object reference

Solution icon of stackoverflow
Unable to start activity ComponentInfo{com.comida/com.comida.ListViewActivity}: 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
Unable to start activity ComponentInfo{com.example.linux.basicpercentagecalculator/com.example.linux.basicpercentagecalculator.MainActivity}: 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 web
via prog.hu by Unknown author, 1 year 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

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 stackoverflow
Unable to start activity ComponentInfo{com.example.publisher.test.adaptiveId/com.example.sdk.test.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{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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