java.lang.RuntimeException: Unable to start activity ComponentInfo{com.appcelerator.kitchensink/org.appcelerator.titanium.TiActivity}: android.app.Fragment$InstantiationException: Unable to instantiate fragment ti.modules.titanium.ui.widget.tabgroup.TiUIActionBarTab$TabFragment: make sure class name exists, is public, and has an empty constructor that is public

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This happens when you try to instantiate a class that can't be instantiated, either because the class object is abstract, an interface, an array class, a primitive type, void, or because the class has no nullary constructor.

Solutions on the web

via Appcelerator JIRA by Ping Wang, 1 year ago
Unable to start activity ComponentInfo{com.appcelerator.kitchensink/org.appcelerator.titanium.TiActivity}: android.app.Fragment$InstantiationException: Unable to instantiate fragment ti.modules.titanium.ui.widget.tabgroup.TiUIActionBarTab$TabFragment: make sure class name exists, is public, and has an empty constructor that is public
via GitHub by 47iscool
, 1 year ago
Unable to start activity ComponentInfo{com.droidmjt.droidsounde/com.droidmjt.droidsounde.PlayerActivity}: android.app.Fragment$InstantiationException: Unable to instantiate fragment com.droidmjt.droidsounde.PlayerActivity$FileBrowserDialog: make sure class name exists, is public, and has an empty constructor that is public
via Stack Overflow by aradhna
, 2 years ago
Unable to start activity ComponentInfo{com.babajishivram.main/com.babajishivram.internalBS.DrawerFirst}: android.app.Fragment$InstantiationException: Unable to instantiate fragment com.babajishivram.internalBS.ShipmentDispatch.FormContainer: make sure class name exists, is public, and has an empty constructor that is public
via Stack Overflow by sreekanth
, 2 years ago
Unable to start activity ComponentInfo{com.Aod.finalapp/com.Aod.finalapp.tab.FeaturedActivity}: android.app.Fragment$InstantiationException: Unable to instantiate fragment com.Aod.finalapp.tab.FeaturedActivity$CompaignFragment: make sure class name exists, is public, and has an empty constructor that is public
via Stack Overflow by alexunder
, 2 years ago
Unable to start activity ComponentInfo{com.android.quicksearchbox/com.android.quicksearchbox.preferences.SearchSettingsActivity}: android.app.Fragment$InstantiationException: Unable to instantiate fragment com.android.quicksearchbox.preferences.SearchEngineFragment: make sure class name exists, is public, and has an empty constructor that is public
via Stack Overflow by KingFu
, 2 years ago
Unable to start activity ComponentInfo{com.my.myapp/com.my.myapp.PrefsActivity}: android.app.Fragment$InstantiationException: Unable to instantiate fragment com.my.myapp.PrefsActivity$GeneralPreferenceFragment: make sure class name exists, is public, and has an empty constructor that is public
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.appcelerator.kitchensink/org.appcelerator.titanium.TiActivity}: android.app.Fragment$InstantiationException: Unable to instantiate fragment ti.modules.titanium.ui.widget.tabgroup.TiUIActionBarTab$TabFragment: make sure class name exists, is public, and has an empty constructor that is public
at java.lang.Class.newInstanceImpl(Native Method)
at java.lang.Class.newInstance(Class.java:1319)
at android.app.Fragment.instantiate(Fragment.java:574)
at android.app.FragmentState.instantiate(Fragment.java:96)
at android.app.FragmentManagerImpl.restoreAllState(FragmentManager.java:1682)
at android.app.Activity.onCreate(Activity.java:861)
at org.appcelerator.titanium.TiBaseActivity.onCreate(TiBaseActivity.java:520)
at org.appcelerator.titanium.TiActivity.onCreate(TiActivity.java:18)
at android.app.Activity.performCreate(Activity.java:4465)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1049)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1920)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1981)
at android.app.ActivityThread.access$600(ActivityThread.java:123)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1147)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:137)
at android.app.ActivityThread.main(ActivityThread.java:4424)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:511)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784)

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