android.support.v4.app.Fragment$InstantiationException: Unable to instantiate fragment com.wenming.weiswift.ui.login.activity.MainActivity$6: 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 GitHub by wenmingvs
, 1 year ago
Unable to instantiate fragment com.wenming.weiswift.ui.login.activity.MainActivity$6: make sure class name exists, is public, and has an empty constructor that is public
via GitHub by wenmingvs
, 1 year ago
Unable to instantiate fragment com.wenming.weiswift.ui.login.activity.MainActivity$6: make sure class name exists, is public, and has an empty constructor that is public
via GitHub by wenmingvs
, 1 year ago
Unable to instantiate fragment com.wenming.weiswift.ui.login.activity.MainActivity$6: make sure class name exists, is public, and has an empty constructor that is public
via GitHub by wenmingvs
, 1 year ago
Unable to instantiate fragment com.wenming.weiswift.ui.login.activity.MainActivity$6: make sure class name exists, is public, and has an empty constructor that is public
via GitHub by wenmingvs
, 1 year ago
Unable to instantiate fragment com.wenming.weiswift.ui.login.activity.MainActivity$6: make sure class name exists, is public, and has an empty constructor that is public
via GitHub by wenmingvs
, 1 year ago
Unable to instantiate fragment com.wenming.weiswift.ui.login.activity.MainActivity$6: make sure class name exists, is public, and has an empty constructor that is public
java.lang.InstantiationException: can't instantiate class com.wenming.weiswift.ui.login.activity.MainActivity$6; no empty constructor
at java.lang.Class.newInstanceImpl(Native Method)
at java.lang.Class.newInstance(Class.java:1319)
at android.support.v4.app.Fragment.instantiate(Fragment.java:420)
at android.support.v4.app.FragmentState.instantiate(Fragment.java:102)
at android.support.v4.app.FragmentManagerImpl.restoreAllState(FragmentManager.java:1952)
at android.support.v4.app.FragmentController.restoreAllState(FragmentController.java:144)
at com.wenming.weiswift.ui.login.activity.MainActivity.onCreate(MainActivity.java:110)
at android.app.Activity.performCreate(Activity.java:5206)
at com.qihoo360.mobilesafe.loader.c.callActivityOnCreate(SourceFile:98)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2064)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2125)
at android.app.ActivityThread.handleRelaunchActivity(ActivityThread.java:3553)
at android.app.ActivityThread.access$700(ActivityThread.java:140)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1233)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:137)
at android.app.ActivityThread.main(ActivityThread.java:4898)
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:1008)

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