Android ListView选中状态

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ListView的选中状态的实现实际上是点击时刷新Listview 将点击行设置为高亮显示，其他行刷新设置为原来的状态。

本文的ListView中是一个简单的TextView ，为TextView设置一个Selector 设置普通状态和选中状态。

<?xml version="1.0" encoding="utf-8"?><selector xmlns:android="http://schemas.android.com/apk/res/android">    <item android:drawable="@drawable/dialog_text_select" android:state_enabled="false"></item>    <item android:drawable="@android:color/transparent" android:state_enabled="true"></item></selector>

Item的写法和一般的没有区别，将android:background设置为上面的Selector就行了。

Adapter需要设置选中的位置：

public class KnowledgeAdapter extends BaseAdapter {private Context context;private LayoutInflater inflater;private List<KnowledgeInfo> listKnowledgeInfo;//当前选中的位置private int curPos;public KnowledgeAdapter(Context context, List<KnowledgeInfo> listKnowledgeInfo,int curPos) {this.context = context;this.inflater = LayoutInflater.from(context);this.listKnowledgeInfo = listKnowledgeInfo;this.curPos = curPos;}/** * 设置当前选中的视图 * @param curPro 选中位置 */public void setCurPro(int curPro){this.curPos = curPro;}@Overridepublic int getCount() {// TODO Auto-generated method stubreturn listKnowledgeInfo.size();}@Overridepublic KnowledgeInfo getItem(int position) {// TODO Auto-generated method stubreturn listKnowledgeInfo.get(position);}@Overridepublic long getItemId(int position) {// TODO Auto-generated method stubreturn position;}//public ViewHolder getItemView(int position){//return null;//}@Overridepublic View getView(int position, View convertView, ViewGroup parent) {ViewHolder viewHolder;if (convertView == null) {viewHolder = new ViewHolder();convertView = inflater.inflate(R.layout.knowledge_item, null);viewHolder.textKnowledeg = (TextView) convertView.findViewById(R.id.knowledge_text);convertView.setTag(viewHolder);}else{viewHolder = (ViewHolder) convertView.getTag();}//填充数据viewHolder.textKnowledeg.setText(listKnowledgeInfo.get(position).getName());if(curPos == position)viewHolder.textKnowledeg.setEnabled(false);else                                                viewHolder.textKnowledeg.setEnabled(true);return convertView;}public class ViewHolder {private TextView textKnowledeg;}}

然后对监听事件进行处理，每次点击都必须重新刷新整个ListView

listView1.setOnItemClickListener(new OnItemClickListener() {@Overridepublic void onItemClick(AdapterView<?> parent, View view,int position, long id) {curPos1 = position;knowledgeAdapter1.setCurPro(curPos1);refreshKnowledge();        knowledgeAdapter1.notifyDataSetChanged();}});

大致效果图如下

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