java.lang.RuntimeException

Unable to start activity ComponentInfo{com.sintad.devsintad01/com.sintad.devsintad01.MainActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'android.support.v7.widget.Toolbar com.github.florent37.materialviewpager.MaterialViewPager.getToolbar()' on a null object reference


Solutions on the web46486

Solution icon of github
Unable to start activity ComponentInfo{com.sintad.devsintad01/com.sintad.devsintad01.MainActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'android.support.v7.widget.Toolbar com.github.florent37.materialviewpager.MaterialViewPager.getToolbar()' on a null object reference

Solution icon of stackoverflow
Unable to start activity ComponentInfo{ch.epfl.proshare/ch.epfl.proshare.main.MainActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.support.v7.app.AppCompatActivity.setSupportActionBar(android.support.v7.widget.Toolbar)' on a null object reference

Solution icon of stackoverflow
Unable to start activity ComponentInfo{com.nile.donow/com.nile.donow.DailiesActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'void com.nile.donow.FragmentDrawer.setUp(int, android.support.v4.widget.DrawerLayout, android.support.v7.widget.Toolbar)' on a null object reference

Solution icon of web
Unable to start activity ComponentInfo{ru.startandroid.l5m1/ru.startandroid.l5m1.MainActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.CharSequence android.support.v7.widget.Toolbar.getTitle()' on a null object reference

Solution icon of web
Unable to start activity ComponentInfo{ru.startandroid.l5m1/ru.startandroid.l5m1.MainActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.CharSequence android.support.v7.widget.Toolbar.getTitle()' on a null object reference

Solution icon of stackoverflow
Unable to start activity ComponentInfo{.mainActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'int java.util.ArrayList.size()' 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
via Stack Overflow by olop01
, 1 year ago
Unable to start activity ComponentInfo{de.myworkplace.layouts2/de.myworkplace.layouts2.MainActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.CharSequence android.support.v7.widget.Toolbar.getTitle()' on a null object reference

Solution icon of web
Unable to start activity ComponentInfo{ru.startandroid.l5m1/ru.startandroid.l5m1.MainActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.CharSequence android.support.v7.widget.Toolbar.getTitle()' on a null object reference

Solution icon of stackoverflow
Unable to start activity ComponentInfo{com.example.amanuel.zoo4/com.example.amanuel.zoo4.MainActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.CharSequence android.support.v7.widget.Toolbar.getTitle()' on a null object reference

Stack trace

  • java.lang.RuntimeException: Unable to start activity ComponentInfo{com.sintad.devsintad01/com.sintad.devsintad01.MainActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'android.support.v7.widget.Toolbar com.github.florent37.materialviewpager.MaterialViewPager.getToolbar()' on a null object reference at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2378) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2440) at android.app.ActivityThread.access$800(ActivityThread.java:162) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1349) at android.os.Handler.dispatchMessage(Handler.java:102) at android.os.Looper.loop(Looper.java:135) at android.app.ActivityThread.main(ActivityThread.java:5430) 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:913) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:706) Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'android.support.v7.widget.Toolbar com.github.florent37.materialviewpager.MaterialViewPager.getToolbar()' on a null object reference at com.sintad.devsintad01.MainActivity.onCreate(MainActivity.java:28) at android.app.Activity.performCreate(Activity.java:6097) at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1106) at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2331) ... 10 more

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