Attempt to invoke virtual method 'int android.view.View.getImportantForAccessibility()'

最近在做和列表或者是Gridview相关显示的出现了一个问题，整理一下思路，分享出来给大家参考一下：

其实不管是LIstView还是GridView都会可能出现，而且原因基本是一样的;

// Short Msg: java.lang.NullPointerException

// Long Msg: java.lang.NullPointerException: Attempt to invoke virtual method 'int android.view.View.getImportantForAccessibility()' on a null object reference
// Build Label: Lenovo/passion/passion:5.1.1/LMY47V/VIBEUI_V2.8_1530_5.200.1_ST_P1c72:user/release-keys
// Build Changelist: VIBEUI_V2.8_1530_5.200.1_ST_P1c72
// Build Time: 1437513185000
// java.lang.NullPointerException: Attempt to invoke virtual method 'int android.view.View.getImportantForAccessibility()' on a null object reference
// 	at android.widget.AbsListView.obtainView(AbsListView.java:2363)
// 	at android.widget.GridView.makeAndAddView(GridView.java:1433)
// 	at android.widget.GridView.makeRow(GridView.java:361)
// 	at android.widget.GridView.fillDown(GridView.java:302)
// 	at android.widget.GridView.fillFromTop(GridView.java:437)
// 	at android.widget.GridView.layoutChildren(GridView.java:1276)
// 	at android.widget.AbsListView.onWindowFocusChanged(AbsListView.java:2974)
// 	at android.view.View.dispatchWindowFocusChanged(View.java:8714)
// 	at android.view.ViewGroup.dispatchWindowFocusChanged(ViewGroup.java:1056)
// 	at android.view.ViewGroup.dispatchWindowFocusChanged(ViewGroup.java:1060)
// 	at android.view.ViewGroup.dispatchWindowFocusChanged(ViewGroup.java:1060)
// 	at android.view.ViewGroup.dispatchWindowFocusChanged(ViewGroup.java:1060)
// 	at android.view.ViewGroup.dispatchWindowFocusChanged(ViewGroup.java:1060)
// 	at android.view.ViewGroup.dispatchWindowFocusChanged(ViewGroup.java:1060)
// 	at android.view.ViewGroup.dispatchWindowFocusChanged(ViewGroup.java:1060)
// 	at android.view.ViewGroup.dispatchWindowFocusChanged(ViewGroup.java:1060)
// 	at android.view.ViewGroup.dispatchWindowFocusChanged(ViewGroup.java:1060)
// 	at android.view.ViewRootImpl$ViewRootHandler.handleMessage(ViewRootImpl.java:3309)
// 	at android.os.Handler.dispatchMessage(Handler.java:102)
// 	at android.os.Looper.loop(Looper.java:135)
// 	at android.app.ActivityThread.main(ActivityThread.java:5380)
// 	at java.lang.reflect.Method.invoke(Native Method)
// 	at java.lang.reflect.Method.invoke(Method.java:372)
// 	at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:939)
// 	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:734)

这边添加一个连接，因为我发现和Gallery的出现的一个原因一样的，

原因都是：对应的Adapter的getView方法返回为空，出现的这个空指针现象。

解决方案是一样的：直接看这边

http://blog.csdn.net/sex_34/article/details/47751273