Page 的子元素直接使用 Grid，滑动时报错

[DemoJameson]

目前为了正常使用，需要在 Grid 外面包一层 FrameLayout。

以下是报错内容：

java.lang.ClassCastException: com.tmall.wireless.vaf.virtualview.view.grid.GridImp cannot be cast to com.tmall.wireless.vaf.virtualview.container.Container
    at com.tmall.wireless.vaf.virtualview.view.page.PageView.removeData(PageView.java:526)
    at com.tmall.wireless.vaf.virtualview.view.page.PageView.remove(PageView.java:540)
    at com.tmall.wireless.vaf.virtualview.view.page.PageView.changeChildren(PageView.java:556)
    at com.tmall.wireless.vaf.virtualview.view.page.PageView.access$000(PageView.java:60)
    at com.tmall.wireless.vaf.virtualview.view.page.PageView$MyAnimatorListener.onAnimationEnd(PageView.java:623)
    at android.animation.ValueAnimator.endAnimation(ValueAnimator.java:1149)
    at android.animation.ValueAnimator.doAnimationFrame(ValueAnimator.java:1309)
    at android.animation.AnimationHandler.doAnimationFrame(AnimationHandler.java:146)
    at android.animation.AnimationHandler.-wrap2(AnimationHandler.java)
    at android.animation.AnimationHandler$1.doFrame(AnimationHandler.java:54)
    at android.view.Choreographer$CallbackRecord.run(Choreographer.java:924)
    at android.view.Choreographer.doCallbacks(Choreographer.java:735)
    at android.view.Choreographer.doFrame(Choreographer.java:664)
    at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:912)
    at android.os.Handler.handleCallback(Handler.java:761)
    at android.os.Handler.dispatchMessage(Handler.java:98)
    at android.os.Looper.loop(Looper.java:156)
    at android.app.ActivityThread.main(ActivityThread.java:6523)
    at java.lang.reflect.Method.invoke(Native Method)
    at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:942)
    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:832)
    at de.robv.android.xposed.XposedBridge.main(XposedBridge.java:107)

[longerian]

grid不能写到根节点下，是需要包一层的。

[longerian]

看错了，这是另外的问题，我修复下