Android Studio 2.3 Null Pointer Exception -


this question has answer here:

whenever try add new activity or fragment error. (sdk-25.2.5)

 null     java.lang.nullpointerexception         @ com.android.tools.idea.actions.newandroidcomponentaction.actionperformed(newandroidcomponentaction.java:121)         @ com.intellij.openapi.actionsystem.ex.actionutil$1.run(actionutil.java:197)         @ com.intellij.openapi.application.transactionguardimpl.runsynctransaction(transactionguardimpl.java:88)         @ com.intellij.openapi.application.transactionguardimpl.submittransactionandwait(transactionguardimpl.java:156)         @ com.intellij.openapi.actionsystem.ex.actionutil.performactiondumbaware(actionutil.java:211)         @ com.intellij.openapi.actionsystem.impl.actionmenuitem$actiontransmitter.lambda$actionperformed$2(actionmenuitem.java:304)         @ com.intellij.openapi.wm.impl.focusmanagerimpl.runonowncontext(focusmanagerimpl.java:905)         @ com.intellij.openapi.wm.impl.idefocusmanagerimpl.runonowncontext(idefocusmanagerimpl.java:124)         @ com.intellij.openapi.actionsystem.impl.actionmenuitem$actiontransmitter.actionperformed(actionmenuitem.java:284)         @ javax.swing.abstractbutton.fireactionperformed(abstractbutton.java:2022)         @ com.intellij.openapi.actionsystem.impl.actionmenuitem.lambda$fireactionperformed$0(actionmenuitem.java:112)         @ com.intellij.openapi.application.transactionguardimpl.runsynctransaction(transactionguardimpl.java:88)         @ com.intellij.openapi.application.transactionguardimpl.access$300(transactionguardimpl.java:40)         @ com.intellij.openapi.application.transactionguardimpl$2.run(transactionguardimpl.java:113)         @ com.intellij.openapi.application.transactionguardimpl.submittransaction(transactionguardimpl.java:123)         @ com.intellij.openapi.application.transactionguard.submittransaction(transactionguard.java:109)         @ com.intellij.openapi.actionsystem.impl.actionmenuitem.fireactionperformed(actionmenuitem.java:112)         @ javax.swing.abstractbutton$handler.actionperformed(abstractbutton.java:2348)         @ javax.swing.defaultbuttonmodel.fireactionperformed(defaultbuttonmodel.java:402)         @ javax.swing.jtogglebutton$togglebuttonmodel.setpressed(jtogglebutton.java:308)         @ javax.swing.abstractbutton.doclick(abstractbutton.java:376)         @ javax.swing.plaf.basic.basicmenuitemui.doclick(basicmenuitemui.java:833)         @ javax.swing.plaf.basic.basicmenuitemui$handler.mousereleased(basicmenuitemui.java:877)         @ java.awt.component.processmouseevent(component.java:6533)         @ javax.swing.jcomponent.processmouseevent(jcomponent.java:3324)         @ java.awt.component.processevent(component.java:6298)         @ java.awt.container.processevent(container.java:2236)         @ java.awt.component.dispatcheventimpl(component.java:4889)         @ java.awt.container.dispatcheventimpl(container.java:2294)         @ java.awt.component.dispatchevent(component.java:4711)         @ java.awt.lightweightdispatcher.retargetmouseevent(container.java:4888)         @ java.awt.lightweightdispatcher.processmouseevent(container.java:4525)         @ java.awt.lightweightdispatcher.dispatchevent(container.java:4466)         @ java.awt.container.dispatcheventimpl(container.java:2280)         @ java.awt.window.dispatcheventimpl(window.java:2746)         @ java.awt.component.dispatchevent(component.java:4711)         @ java.awt.eventqueue.dispatcheventimpl(eventqueue.java:758)         @ java.awt.eventqueue.access$500(eventqueue.java:97)         @ java.awt.eventqueue$3.run(eventqueue.java:709)         @ java.awt.eventqueue$3.run(eventqueue.java:703)         @ java.security.accesscontroller.doprivileged(native method)         @ java.security.protectiondomain$javasecurityaccessimpl.dointersectionprivilege(protectiondomain.java:80)         @ java.security.protectiondomain$javasecurityaccessimpl.dointersectionprivilege(protectiondomain.java:90)         @ java.awt.eventqueue$4.run(eventqueue.java:731)         @ java.awt.eventqueue$4.run(eventqueue.java:729)         @ java.security.accesscontroller.doprivileged(native method)         @ java.security.protectiondomain$javasecurityaccessimpl.dointersectionprivilege(protectiondomain.java:80)         @ java.awt.eventqueue.dispatchevent(eventqueue.java:728)         @ com.intellij.ide.ideeventqueue.defaultdispatchevent(ideeventqueue.java:795)         @ com.intellij.ide.ideeventqueue._dispatchevent(ideeventqueue.java:627)         @ com.intellij.ide.ideeventqueue.dispatchevent(ideeventqueue.java:387)         @ java.awt.eventdispatchthread.pumponeeventforfilters(eventdispatchthread.java:201)         @ java.awt.eventdispatchthread.pumpeventsforfilter(eventdispatchthread.java:116)         @ java.awt.eventdispatchthread.pumpeventsforhierarchy(eventdispatchthread.java:105)         @ java.awt.eventdispatchthread.pumpevents(eventdispatchthread.java:101)         @ java.awt.eventdispatchthread.pumpevents(eventdispatchthread.java:93)         @ java.awt.eventdispatchthread.run(eventdispatchthread.java:82)

since not working,right i'm adding java class,xml file linking them together.is there solution this???

edit-- project doesn't have code(apart default generated activity_main.xml , mainactivity.java) there has ide error. caused when tried add new activity project(by right click on project>new>activity>emptyactivity) , error being shown in every project opened(in ide error logs @ bottom right corner). tried invalidate , restart didnt work solutions??

try - go "file" on navigation of android studio. - select option "invalidate caches/restart.."


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