android - App crashes when trying to add a new CyborgController using createNewLayerBuilder() -

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this i'm doing in application class:

@override public void oncreate() {     super.oncreate();     cyborgbuilder.startcyborg(new cyborgconfiguration(this, r.layout.cyborgview__auto_reply, basicmodulepack.class)); }

this how cyborgview__auto_reply.xml looks like:

<?xml version="1.0" encoding="utf-8"?> <com.nu.art.cyborg.core.cyborgview xmlns:android="http://schemas.android.com/apk/res/android" xmlns:cyborg="http://schemas.android.com/apk/res-auto" android:layout_width="match_parent" android:layout_height="match_parent" cyborg:controller="com.hedshafran.autoreply.controllers.controller_permissionscreen" cyborg:tag="controller_permission"/>

and i'm doing in controller_permissionscreen class causes crash:

createnewlayerbuilder().setcontrollertype(controller_mainscreen.class).setlayoutid(r.layout.controller__main_screen).build();

that causes crash, looks this:

e/androidruntime: fatal exception: main process: com.hedshafran.autoreply, pid: 17910 java.lang.runtimeexception: unable resume activity {com.hedshafran.autoreply/com.nu.art.cyborg.core.cyborgactivity}: java.lang.nullpointerexception: attempt invoke virtual method 'com.nu.art.cyborg.core.cyborgstackcontroller$stacklayerbuilder com.nu.art.cyborg.core.cyborgstackcontroller.createlayerbuilder()' on null object reference   @ android.app.activitythread.performresumeactivity(activitythread.java:3791)   @ android.app.activitythread.handleresumeactivity(activitythread.java:3832)   @ android.app.activitythread$h.handlemessage(activitythread.java:1681)   @ android.os.handler.dispatchmessage(handler.java:102)   @ android.os.looper.loop(looper.java:154)   @ android.app.activitythread.main(activitythread.java:6682)   @ java.lang.reflect.method.invoke(native method)   @ com.android.internal.os.zygoteinit$methodandargscaller.run(zygoteinit.java:1520)   @ com.android.internal.os.zygoteinit.main(zygoteinit.java:1410) caused by: java.lang.nullpointerexception: attempt invoke virtual method 'com.nu.art.cyborg.core.cyborgstackcontroller$stacklayerbuilder com.nu.art.cyborg.core.cyborgstackcontroller.createlayerbuilder()' on null object reference   @ com.nu.art.cyborg.core.cyborgcontroller.createnewlayerbuilder(cyborgcontroller.java:506)   @ com.hedshafran.autoreply.controllers.controller_permissionscreen.onresume(controller_permissionscreen.java:35)   @ com.nu.art.cyborg.core.cyborgcontroller.dispatchlifecycleevent(cyborgcontroller.java:270)   @ com.nu.art.cyborg.core.cyborgactivitybridgeimpl.dispatchlifecycleevent(cyborgactivitybridgeimpl.java:476)   @ com.nu.art.cyborg.core.cyborgactivitybridgeimpl.onresume(cyborgactivitybridgeimpl.java:213)   @ com.nu.art.cyborg.core.cyborgactivity.onresume(cyborgactivity.java:155)   @ android.app.instrumentation.callactivityonresume(instrumentation.java:1277)   @ android.app.activity.performresume(activity.java:7088)   @ android.app.activitythread.performresumeactivity(activitythread.java:3768)   @ android.app.activitythread.handleresumeactivity(activitythread.java:3832)    @ android.app.activitythread$h.handlemessage(activitythread.java:1681)    @ android.os.handler.dispatchmessage(handler.java:102)    @ android.os.looper.loop(looper.java:154)    @ android.app.activitythread.main(activitythread.java:6682)    @ java.lang.reflect.method.invoke(native method)    @ com.android.internal.os.zygoteinit$methodandargscaller.run(zygoteinit.java:1520)    @ com.android.internal.os.zygoteinit.main(zygoteinit.java:1410) 

how can avoid crash , open new cyborgcontroller proper way?

your cyborgview__auto_reply.xml should utilize cyborgstackconroller contain controller_permissionscreen, so:

<?xml version="1.0" encoding="utf-8"?> <com.nu.art.cyborg.core.cyborgview     xmlns:android="http://schemas.android.com/apk/res/android"     xmlns:cyborg="http://schemas.android.com/apk/res-auto"     android:layout_width="match_parent"     android:layout_height="match_parent"     android:id="@+id/cv_rootstack"     cyborg:controller="com.nu.art.cyborg.core.cyborgstackcontroller"     cyborg:rootcontroller="com.hedshafran.autoreply.controllers.controller_permissionscreen"      cyborg:roottag="controller_permission"     cyborg:tag="rootstack"     />

point can use createnewlayerbuilder api if controller calls method in stack. otherwise use getcontrollerbyid(r.id.cv_rootstack) , create new layer builder.





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