Java 尝试调用虚拟方法GapWorker.remove(RecyclerView)和#x27;关于空对象引用
我在Java 尝试调用虚拟方法GapWorker.remove(RecyclerView)和#x27;关于空对象引用,java,android,android-layout,android-recyclerview,Java,Android,Android Layout,Android Recyclerview,我在production中的Recyclerview上遇到此错误,但不知道具体是在哪个类中 我所做的 谷歌发现了它,人们说它的安卓错误,并在支持lib27.1.0 我更新了我的支持库和构建版本 support : '27.1.0', buildToolsVersion: '27.0.3', compileSdkVersion : 26, 但这场崩溃仍在发生 错误日志 Fatal Exception: java.lang.NullPointerException: Attem
production
中的Recyclerview
上遇到此错误,但不知道具体是在哪个类中
我所做的
谷歌发现了它,人们说它的安卓错误,并在支持lib27.1.0
我更新了我的支持库和构建版本
support : '27.1.0',
buildToolsVersion: '27.0.3',
compileSdkVersion : 26,
但这场崩溃仍在发生
错误日志
Fatal Exception: java.lang.NullPointerException: Attempt to invoke virtual method 'void android.support.v7.widget.GapWorker.remove(android.support.v7.widget.RecyclerView)' on a null object reference
at android.support.v7.widget.RecyclerView.onDetachedFromWindow(RecyclerView.java:2534)
at android.view.View.dispatchDetachedFromWindow(View.java:13586)
at android.view.ViewGroup.dispatchDetachedFromWindow(ViewGroup.java:2849)
at android.view.ViewGroup.dispatchDetachedFromWindow(ViewGroup.java:2846)
at android.view.ViewGroup.dispatchDetachedFromWindow(ViewGroup.java:2846)
at android.view.ViewGroup.dispatchDetachedFromWindow(ViewGroup.java:2846)
at android.view.ViewGroup.dispatchDetachedFromWindow(ViewGroup.java:2846)
at android.view.ViewGroup.dispatchDetachedFromWindow(ViewGroup.java:2846)
at android.view.ViewGroup.dispatchDetachedFromWindow(ViewGroup.java:2846)
at android.view.ViewGroup.dispatchDetachedFromWindow(ViewGroup.java:2846)
at android.view.ViewGroup.dispatchDetachedFromWindow(ViewGroup.java:2846)
at android.view.ViewGroup.dispatchDetachedFromWindow(ViewGroup.java:2846)
at android.view.ViewGroup.dispatchDetachedFromWindow(ViewGroup.java:2846)
at android.view.ViewRootImpl.dispatchDetachedFromWindow(ViewRootImpl.java:3076)
at android.view.ViewRootImpl.doDie(ViewRootImpl.java:5709)
at android.view.ViewRootImpl.die(ViewRootImpl.java:5686)
at android.view.WindowManagerGlobal.removeViewLocked(WindowManagerGlobal.java:387)
at android.view.WindowManagerGlobal.removeView(WindowManagerGlobal.java:342)
at android.view.WindowManagerImpl.removeViewImmediate(WindowManagerImpl.java:116)
at android.app.ActivityThread.handleDestroyActivity(ActivityThread.java:3893)
at android.app.ActivityThread.access$1500(ActivityThread.java:164)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1473)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:159)
at android.app.ActivityThread.main(ActivityThread.java:5461)
at java.lang.reflect.Method.invoke(Method.java)
at java.lang.reflect.Method.invoke(Method.java:372)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:964)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:759)
此问题通常在没有为
RecyclerView
提供LayoutManager
时发生。你可以这样做
final LinearLayoutManager layoutManager = new LinearLayoutManager(context);
layoutManager.setOrientation(LinearLayoutManager.VERTICAL);
recyclerView.setLayoutManager(layoutManager);
你不应该也编译到sdk
27
吗?@Grisgram这是唯一的原因吗?同时,支持库位于27.1.1,我想看看你的依赖项-涉及firebase吗?@Grisgram:是的