一个少了context的赋值的错误

错误类型如下，怎么也找不到错误，后来仔细看了源代码，原来忘了context的赋值，只是声明，声明后不马上引用到值容易出事。

11-12 15:00:09.877: E/AndroidRuntime(6427): FATAL EXCEPTION: main
11-12 15:00:09.877: E/AndroidRuntime(6427): java.lang.NullPointerException
11-12 15:00:09.877: E/AndroidRuntime(6427):     at android.view.LayoutInflater.from(LayoutInflater.java:277)
11-12 15:00:09.877: E/AndroidRuntime(6427):     at com.zyt.veblife.InvoiceInfoActivity$ContentAdapter.getView(InvoiceInfoActivity.java:397)
11-12 15:00:09.877: E/AndroidRuntime(6427):     at android.widget.AbsListView.obtainView(AbsListView.java:2367)
11-12 15:00:09.877: E/AndroidRuntime(6427):     at android.widget.ListView.makeAndAddView(ListView.java:1845)
11-12 15:00:09.877: E/AndroidRuntime(6427):     at android.widget.ListView.fillDown(ListView.java:678)
11-12 15:00:09.877: E/AndroidRuntime(6427):     at android.widget.ListView.fillFromTop(ListView.java:739)
11-12 15:00:09.877: E/AndroidRuntime(6427):     at android.widget.ListView.layoutChildren(ListView.java:1647)
11-12 15:00:09.877: E/AndroidRuntime(6427):     at android.widget.AbsListView.onLayout(AbsListView.java:2197)
11-12 15:00:09.877: E/AndroidRuntime(6427):     at android.view.View.layout(View.java:14220)
11-12 15:00:09.877: E/AndroidRuntime(6427):     at android.view.ViewGroup.layout(ViewGroup.java:4600)
11-12 15:00:09.877: E/AndroidRuntime(6427):     at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1670)
11-12 15:00:09.877: E/AndroidRuntime(6427):     at android.widget.LinearLayout.layoutVertical(LinearLayout.java:1528)
11-12 15:00:09.877: E/AndroidRuntime(6427):     at android.widget.LinearLayout.onLayout(LinearLayout.java:1441)
11-12 15:00:09.877: E/AndroidRuntime(6427):     at android.view.View.layout(View.java:14220)
11-12 15:00:09.877: E/AndroidRuntime(6427):     at android.view.ViewGroup.layout(ViewGroup.java:4600)
11-12 15:00:09.877: E/AndroidRuntime(6427):     at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1670)
11-12 15:00:09.877: E/AndroidRuntime(6427):     at android.widget.LinearLayout.layoutVertical(LinearLayout.java:1528)
11-12 15:00:09.877: E/AndroidRuntime(6427):     at android.widget.LinearLayout.onLayout(LinearLayout.java:1441)
11-12 15:00:09.877: E/AndroidRuntime(6427):     at android.view.View.layout(View.java:14220)
11-12 15:00:09.877: E/AndroidRuntime(6427):     at android.view.ViewGroup.layout(ViewGroup.java:4600)
11-12 15:00:09.877: E/AndroidRuntime(6427):     at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1670)
11-12 15:00:09.877: E/AndroidRuntime(6427):     at android.widget.LinearLayout.layoutVertical(LinearLayout.java:1528)
11-12 15:00:09.877: E/AndroidRuntime(6427):     at android.widget.LinearLayout.onLayout(LinearLayout.java:1441)
11-12 15:00:09.877: E/AndroidRuntime(6427):     at android.view.View.layout(View.java:14220)
11-12 15:00:09.877: E/AndroidRuntime(6427):     at android.view.ViewGroup.layout(ViewGroup.java:4600)
11-12 15:00:09.877: E/AndroidRuntime(6427):     at android.widget.FrameLayout.onLayout(FrameLayout.java:448)
11-12 15:00:09.877: E/AndroidRuntime(6427):     at android.view.View.layout(View.java:14220)
11-12 15:00:09.877: E/AndroidRuntime(6427):     at android.view.ViewGroup.layout(ViewGroup.java:4600)
11-12 15:00:09.877: E/AndroidRuntime(6427):     at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1670)
11-12 15:00:09.877: E/AndroidRuntime(6427):     at android.widget.LinearLayout.layoutVertical(LinearLayout.java:1528)
11-12 15:00:09.877: E/AndroidRuntime(6427):     at android.widget.LinearLayout.onLayout(LinearLayout.java:1441)
11-12 15:00:09.877: E/AndroidRuntime(6427):     at android.view.View.layout(View.java:14220)
11-12 15:00:09.877: E/AndroidRuntime(6427):     at android.view.ViewGroup.layout(ViewGroup.java:4600)
11-12 15:00:09.877: E/AndroidRuntime(6427):     at android.widget.FrameLayout.onLayout(FrameLayout.java:448)
11-12 15:00:09.877: E/AndroidRuntime(6427):     at android.view.View.layout(View.java:14220)
11-12 15:00:09.877: E/AndroidRuntime(6427):     at android.view.ViewGroup.layout(ViewGroup.java:4600)
11-12 15:00:09.877: E/AndroidRuntime(6427):     at android.view.ViewRootImpl.performLayout(ViewRootImpl.java:2248)
11-12 15:00:09.877: E/AndroidRuntime(6427):     at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:2012)
11-12 15:00:09.877: E/AndroidRuntime(6427):     at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1204)
11-12 15:00:09.877: E/AndroidRuntime(6427):     at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:4951)
11-12 15:00:09.877: E/AndroidRuntime(6427):     at android.view.Choreographer$CallbackRecord.run(Choreographer.java:776)
11-12 15:00:09.877: E/AndroidRuntime(6427):     at android.view.Choreographer.doCallbacks(Choreographer.java:579)
11-12 15:00:09.877: E/AndroidRuntime(6427):     at android.view.Choreographer.doFrame(Choreographer.java:548)
11-12 15:00:09.877: E/AndroidRuntime(6427):     at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:762)
11-12 15:00:09.877: E/AndroidRuntime(6427):     at android.os.Handler.handleCallback(Handler.java:725)
11-12 15:00:09.877: E/AndroidRuntime(6427):     at android.os.Handler.dispatchMessage(Handler.java:92)
11-12 15:00:09.877: E/AndroidRuntime(6427):     at android.os.Looper.loop(Looper.java:153)
11-12 15:00:09.877: E/AndroidRuntime(6427):     at android.app.ActivityThread.main(ActivityThread.java:5356)
11-12 15:00:09.877: E/AndroidRuntime(6427):     at java.lang.reflect.Method.invokeNative(Native Method)
11-12 15:00:09.877: E/AndroidRuntime(6427):     at java.lang.reflect.Method.invoke(Method.java:511)
11-12 15:00:09.877: E/AndroidRuntime(6427):     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:853)
11-12 15:00:09.877: E/AndroidRuntime(6427):     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:620)
11-12 15:00:09.877: E/AndroidRuntime(6427):     at dalvik.system.NativeStart.main(Native Method)

当然，从报错来看，还是很容易的，有个LayoutInflater.from(里面就没值了嘛。。。