[Android異常]listview(含上拉載入,上拉載入)下拉重新整理報陣列越界異常
場景
1.在安卓開發中,使用帶footview或者headView的Listview,且該Listview含固定型別的item;
2.該Listview嵌套了Listview等view
錯誤內容
:FATAL EXCEPTION: main
Process: package.xxx.xxx.xxx, PID: 10477
java.lang.ArrayIndexOutOfBoundsException: length=3; index=3
at android.widget.AbsListView$RecycleBin.scrapActiveViews(AbsListView.java:6744)
at android.widget.ListView.layoutChildren(ListView.java:1698)
at android.widget.AbsListView.onLayout(AbsListView.java:2169)
at android.view.View.layout(View.java:15794)
at android.view.ViewGroup.layout(ViewGroup.java:5059)
at android.widget.FrameLayout.layoutChildren(FrameLayout.java:579)
at android.widget.FrameLayout.onLayout(FrameLayout.java:514)
at android.view.View.layout(View.java:15794)
at android.view.ViewGroup.layout(ViewGroup.java:5059)
at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1734)
at android.widget.LinearLayout.layoutVertical(LinearLayout.java:1588)
at android.widget.LinearLayout.onLayout(LinearLayout.java:1497)
at android.view.View.layout(View.java:15794)
。。。。
解決方案:
1.因為footview也是listview的一個item,所以原有的itemTypecount數量是小於實際的getViewTypeCount()的;所以在listview的快取view的過程中,會發現實際的型別數量會超過快取的型別數量(這個時候就越界了)
最後,我就只改了一個地方,把TYPE_COUNT在原有的基礎上+1,這個1代表了Footview.
@Override
public int getViewTypeCount() {
return TYPE_COUNT;
}