abslistview专题

Android中文API:AbsListView

AbsListView 译者署名: cnmahj 译者链接:http://blog.toolib.net/cnmahj 版本:Android 2.3 r1   结构 继承关系 public abstract class AbsListView extends AdapterView <T extends Adapter> implements TextWatcher ViewT

android abslistview gridview介绍

结构 继承关系 public abstract class AbsListView extends AdapterView <T extends Adapter> implements TextWatcher ViewTreeObserver.OnGlobalLayoutListenerViewTreeObserver.OnTouchModeChangeListener Filter

java.lang.IllegalStateException: Observer android.widget.AbsListView$AdapterDataSetObserver@42efeec8

问题描述: Adapter adapter = new Adapter(context, datas); list.setAdapter(adapter); 在项目中初始化了2次,结果曝出下面的crash: java.lang.IllegalStateException: Observer android.widget.AbsListView$AdapterDataSetObserver@

android.view.ViewGroup$LayoutParams cannot be cast to android.widget.AbsListView$LayoutParams

直接导火索:getView返回的view 内容执行了 ViewGroup.LayoutParams layoutParams = new ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT);setLayoutParams(layoutParams)