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我有一个ListView并且我正在覆盖getView使用以下代码正确填充的方法。如果我使用'adapter.getfilter()'，它不会更新列表视图，尽管在适配器中它被过滤并在NEXT过滤器完成时由'out()'正确显示，在编辑框中输入文本。知道如何在我同时覆盖getView和过滤影响适配器而不是下一次在编辑框中输入文本时启用过滤吗？

final ArrayAdapter<String> adapter=new ArrayAdapter<String>(this,
android.R.layout.activity_list_item,stringArray) 
{   @Override
public View getView(int position, View convertView, ViewGroup parent)
    {View  row= super.getView(position, convertView, parent);
        View row=convertView;
if(position==0){
row = mLayoutInflater.inflate(R.layout.list_header, null);
final TextView sectionView = (TextView) row.findViewById(R.id.list_item_section_text);
sectionView.setText(myList.get(position));
} 
else
{row = mLayoutInflater.inflate(R.layout.list_item, null);
final TextView sectionView = (TextView) row.findViewById(R.id.list_item_entry_title);
sectionView.setText(myList.get(position));}
return row;}});

lv.setAdapter(adapter);
for (int i = 0; i < adapter.getCount(); i++) {//displaying properly
pr("adapter list"+adapter.getItem(i));
}
myFilter.addTextChangedListener(new TextWatcher() {
public void afterTextChanged(Editable s) { }
public void beforeTextChanged(CharSequence s, int start, int count, int after) {}
public void onTextChanged(CharSequence s, int start, int before, int count) {
adapter.getFilter().filter(s);
adapter.notifyDataSetChanged();
for (int i = 0; i < adapter.getCount(); i++) {
pr("adapter list before "+         (adapter.getItem(i)));//printing properly but not  
//updated in listview ,sometimes it just displays first few ,even if it should not be
//in filtered result after filtering.    
} }  });
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1 回答 1

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我建议构建一个自定义过滤器。扩展过滤器对象（我通常将其作为适配器的内部类）并让它进行过滤。保存您传递到数组中的项目的副本并从中过滤。在 publishResults 中清除您的适配器，然后重新添加过滤的项目。

于 2012-10-09T19:30:57.450 回答