使用RecyclerAdapter在Facebook Native Ads布局上使用NullPointerException

时间:2016-07-03 12:10:00

标签: java android facebook nullpointerexception facebook-ads-api

将Facebook原生广告整合到我的RecyclerAdapter时,我收到以下NullPointerException。我觉得它与layout.xml有关。

java.lang.NullPointerException: Attempt to invoke virtual method 'void android.widget.LinearLayout.addView(android.view.View)' on a null object reference
   at com.elgami.feed.FeedRecyclerAdapter.onBindViewHolder(FeedRecyclerAdapter.java:128)
   at android.support.v7.widget.RecyclerView$Adapter.onBindViewHolder(RecyclerView.java:5768)
   at android.support.v7.widget.RecyclerView$Adapter.bindViewHolder(RecyclerView.java:5801)
   at android.support.v7.widget.RecyclerView$Recycler.getViewForPosition(RecyclerView.java:5037)
   at android.support.v7.widget.RecyclerView$Recycler.getViewForPosition(RecyclerView.java:4913)
   at android.support.v7.widget.LinearLayoutManager$LayoutState.next(LinearLayoutManager.java:2029)
   at android.support.v7.widget.LinearLayoutManager.layoutChunk(LinearLayoutManager.java:1414)
   at android.support.v7.widget.LinearLayoutManager.fill(LinearLayoutManager.java:1377)
   at android.support.v7.widget.LinearLayoutManager.onLayoutChildren(LinearLayoutManager.java:578)
   at android.support.v7.widget.RecyclerView.dispatchLayoutStep2(RecyclerView.java:3260)
   at android.support.v7.widget.RecyclerView.dispatchLayout(RecyclerView.java:3069)
   at android.support.v7.widget.RecyclerView.onLayout(RecyclerView.java:3518)
   at android.view.View.layout(View.java:16636)
   at android.view.ViewGroup.layout(ViewGroup.java:5437)
   at android.support.v4.widget.SwipeRefreshLayout.onLayout(SwipeRefreshLayout.java:598)
   at android.view.View.layout(View.java:16636)
   at android.view.ViewGroup.layout(ViewGroup.java:5437)
   at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1743)
   at android.widget.LinearLayout.layoutVertical(LinearLayout.java:1586)
   at android.widget.LinearLayout.onLayout(LinearLayout.java:1495)
   at android.view.View.layout(View.java:16636)
   at android.view.ViewGroup.layout(ViewGroup.java:5437)
   at android.widget.RelativeLayout.onLayout(RelativeLayout.java:1079)
   at android.view.View.layout(View.java:16636)
   at android.view.ViewGroup.layout(ViewGroup.java:5437)
   at android.widget.FrameLayout.layoutChildren(FrameLayout.java:336)
   at android.widget.FrameLayout.onLayout(FrameLayout.java:273)
   at android.view.View.layout(View.java:16636)
   at android.view.ViewGroup.layout(ViewGroup.java:5437)
   at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1743)
   at android.widget.LinearLayout.layoutVertical(LinearLayout.java:1586)
   at android.widget.LinearLayout.onLayout(LinearLayout.java:1495)
   at android.view.View.layout(View.java:16636)
   at android.view.ViewGroup.layout(ViewGroup.java:5437)
   at android.widget.FrameLayout.layoutChildren(FrameLayout.java:336)
   at android.widget.FrameLayout.onLayout(FrameLayout.java:273)
   at android.view.View.layout(View.java:16636)
   at android.view.ViewGroup.layout(ViewGroup.java:5437)
   at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1743)
   at android.widget.LinearLayout.layoutVertical(LinearLayout.java:1586)
   at android.widget.LinearLayout.onLayout(LinearLayout.java:1495)
   at android.view.View.layout(View.java:16636)
   at android.view.ViewGroup.layout(ViewGroup.java:5437)
   at android.widget.FrameLayout.layoutChildren(FrameLayout.java:336)
   at android.widget.FrameLayout.onLayout(FrameLayout.java:273)
   at com.android.internal.policy.PhoneWindow$DecorView.onLayout(PhoneWindow.java:2678)
   at android.view.View.layout(View.java:16636)
   at android.view.ViewGroup.layout(ViewGroup.java:5437)
   at android.view.ViewRootImpl.performLayout(ViewRootImpl.java:2171)
   at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1931)
   at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1107)
   at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:6013)
   at android.view.Choreographer$CallbackRecord.run(Choreographer.java:858)
   at android.view.Choreographer.doCallbacks(Choreographer.java:670)
   at android.view.Choreographer.doFrame(Choreographer.java:606)
   at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:844)
at android.os.Handler.handleCal

我在以下要点中包含了两个相关的类和xml布局文件:https://gist.github.com/santafebound/06380d1d759b048386ca3c0864159295

1 个答案:

答案 0 :(得分:1)

在添加Inflater之前写下View