搜索获得的数组出指数势必异常 [英] on search getting array out of index bound exception
本文介绍了搜索获得的数组出指数势必异常的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
我在其中我从JSON数据显示列表视图成一个应用程序，现在想申请上每当我在编辑框中键入东西listview.but搜索功能得到一个错误数组索引出bound.please帮我梳理一下。
HomeActivity
公共类HomeActivity扩展片段{
字符串国code;
ArrayList的＆LT; ProfileBean＆GT; catagery;
搜索的EditText;
AdaptorClass适配器;
公共静态字符串Bussinessurl; 公共查看onCreateView（LayoutInflater充气器，容器的ViewGroup，
捆绑savedInstanceState）{
// TODO自动生成方法存根
super.onCreate（savedInstanceState）;
//setContentView(R.layout.homeactivity）; 查看rootView = inflater.inflate（R.layout.homeactivity，集装箱，FALSE）;
//Log.i(\"homeurl，http://chabu.agicent.com/api/v1/get_business?token=+ Login.USERTOKEN.toString（））;
搜索=（EditText上）rootView.findViewById（R.id.search）; catagery =新的ArrayList＆LT; ProfileBean＆GT;（）;
新JSONAsyncTask（）
.execute（Login.AllChabu）; ListView控件列表视图=（ListView控件）rootView。 findViewById（R.id.list）;
适配器=新AdaptorClass（getActivity（），R.layout.row，
catagery）;
listview.setItemsCanFocus（假）;
//listview.setOnItemClickListener(this）;
listview.setTextFilterEnabled（真）;
listview.setAdapter（适配器）;
国家code = GetCountryZip code（）;
Log.i（国code，国家code）;
listview.setOnItemClickListener（新OnItemClickListener（）{ @覆盖
公共无效onItemClick（适配器视图＆LT;＆GT;为arg0，ARG1查看，
INT位置，长的id）{
// TODO自动生成方法存根
//Toast.makeText（getActivity（），
// catagery.get（位置）.getcategory_name（），Toast.LENGTH_LONG）
//。显示（）;
位置=位置+ 1;
Log.i（URL，Bussinessurl）; 意图I =新意图（getActivity（），BusinessActivity.class）;
startActivity（ⅰ）;
}
}）; search.setOnClickListener（新OnClickListener（）{ @覆盖
公共无效的onClick（视图v）{
// TODO自动生成方法存根
search.addTextChangedListener（新TextWatcher（）{
@覆盖
公共无效afterTextChanged（编辑为arg0）{ } @覆盖
公共无效beforeTextChanged（CharSequence中，诠释开始，
诠释计数后INT）{ } @覆盖
公共无效onTextChanged（CharSequence中，诠释开始，
INT之前，诠释计数）{
。adapter.getFilter（）过滤（s.toString（））; }
}）;
}
}）; 返回rootView;
}
AdaptorClass
公共类AdaptorClass扩展ArrayAdapter＆LT; ProfileBean＆GT;实现可筛选{
私人列表＆LT; ProfileBean＆GT; originalData = NULL;
私人列表＆LT; ProfileBean＆GT; filteredData = NULL;
LayoutInflater六;
INT资源;
ViewHolder持有人;
私人ItemFilter MFILTER =新ItemFilter（）; 公共AdaptorClass（上下文的背景下，INT资源，
ArrayList的＆LT; ProfileBean＆GT;对象）{
超级（上下文，资源，对象）;
VI =（LayoutInflater）上下文
.getSystemService（Context.LAYOUT_INFLATER_SERVICE）;
资源=资源;
// actorList =物体;
this.filteredData =物体;
this.originalData =物体;
} @覆盖
公共查看getView（INT位置，查看convertView，父母的ViewGroup）{ 视图V = convertView;
如果（V == NULL）{
持有人=新ViewHolder（）;
V = vi.inflate（资源，NULL）; holder.tvDescription =（TextView的）V
.findViewById（R.id.tvDescriptionn）; v.setTag（保持器）;
}其他{
支架=（ViewHolder）v.getTag（）;
} holder.tvDescription
.setText（filteredData.get（位置）.getcategory_name（））; 返回伏; } 静态类ViewHolder { 公众的TextView tvDescription;
} 公共android.widget.Filter用getFilter（）{
返回MFILTER;
} 私有类ItemFilter扩展android.widget.Filter { @覆盖
保护FilterResults performFiltering（CharSequence的约束）{ 字符串filterString = constraint.toString（）与toLowerCase（）。 FilterResults结果=新FilterResults（）; 最终名单＆LT; ProfileBean＆GT;名单= originalData; 诠释计数=则为list.size（）;
Log.i（计数，将String.valueOf（计数））;
最终的ArrayList＆LT; ProfileBean＆GT; NLIST =新的ArrayList＆LT; ProfileBean＆GT;（计数）; 串filterableString; 的for（int i = 0; I＆LT;计数;我++）{ ProfileBean豆= list.get（ⅰ）;
filterableString = bean.getcategory_name（）;
如果（filterableString.toLowerCase（）。包括（
filterString.toString（）。与toLowerCase（）））{
nlist.add（豆）;
}
} results.values = NLIST;
results.count = nlist.size（）; 返回结果;
}
@燮pressWarnings（未登记）
@覆盖
保护无效publishResults（CharSequence的约束，
FilterResults结果）{
filteredData =（ArrayList的＆LT; ProfileBean＆GT;）results.values;
notifyDataSetChanged（）;
}
}
解决方案
试试这个办法，希望这将帮助你解决你的问题。
首页片段
公共类HomeActivity扩展片段{
字符串国code;
ArrayList的＆LT; ProfileBean＆GT; catagery;
搜索的EditText;
AdaptorClass适配器;
公共静态字符串Bussinessurl; 公共查看onCreateView（LayoutInflater充气器，容器的ViewGroup，
捆绑savedInstanceState）{
super.onCreate（savedInstanceState）; 查看rootView = inflater.inflate（R.layout.homeactivity，集装箱，FALSE）;
//Log.i(\"homeurl，http://chabu.agicent.com/api/v1/get_business?token=+ Login.USERTOKEN.toString（））;
搜索=（EditText上）rootView.findViewById（R.id.search）; catagery =新的ArrayList＆LT; ProfileBean＆GT;（）;
新JSONAsyncTask（）
.execute（Login.AllChabu）; ListView控件列表视图=（ListView控件）rootView.findViewById（R.id.list）;
适配器=新AdaptorClass（getActivity（），catagery）;
listview.setItemsCanFocus（假）;
listview.setTextFilterEnabled（真）;
listview.setAdapter（适配器）;
国家code = GetCountryZip code（）;
Log.i（国code，国家code）;
listview.setOnItemClickListener（新OnItemClickListener（）{ @覆盖
公共无效onItemClick（适配器视图＆LT;＆GT;为arg0，ARG1查看，
INT位置，长的id）{ //Toast.makeText（getActivity（），
// catagery.get（位置）.getcategory_name（），Toast.LENGTH_LONG）
//。显示（）;
位置=位置+ 1;
Log.i（URL，Bussinessurl）;
意图I =新意图（getActivity（），BusinessActivity.class）;
startActivity（ⅰ）;
}
}）; search.addTextChangedListener（新TextWatcher（）{ @覆盖
公共无效afterTextChanged（编辑为arg0）{
字符串文本= search.getText（）的toString（）。
adapter.filter（文本）;
} @覆盖
公共无效beforeTextChanged（CharSequence的为arg0，ARG1 INT，
INT ARG2，诠释ARG3）{
} @覆盖
公共无效onTextChanged（CharSequence的为arg0，ARG1 INT，INT ARG2，诠释ARG3）{
}
}）; 返回rootView;
}
}
适配器类别
公共类AdaptorClass延伸BaseAdapter {
私人列表＆LT; ProfileBean＆GT; originalData;
私人列表＆LT; ProfileBean＆GT; filteredData;
私人上下文的背景下; 公共AdaptorClass（上下文的背景下，ArrayList的＆LT; ProfileBean＆GT; originalData）{
this.context =背景;
this.originalData = originalData;
filteredData =新的List＆LT; ProfileBean＆GT;（）;
filteredData.addAll（this.originalData）;
} @覆盖
公众诠释的getCount（）{
返回filteredData.size（）;
} @覆盖
公共对象的getItem（INT位置）{
返回filteredData.get（位置）;
} @覆盖
众长getItemId（INT位置）{
返回的位置;
}
@覆盖
公共查看getView（INT位置，查看convertView，父母的ViewGroup）{
ViewHolder持有人;
如果（convertView == NULL）{
持有人=新ViewHolder（）;
convertView = LayoutInflater.from（上下文）.inflate（R.layout.row，NULL）;
holder.tvDescription =（TextView中）convertView.findViewById（R.id.tvDescriptionn）;
convertView.setTag（保持器）;
}其他{
支架=（ViewHolder）convertView.getTag（）;
}
holder.tvDescription.setText（filteredData.get（位置）.getcategory_name（））;
返回convertView;
} 类ViewHolder {
公众的TextView tvDescription;
} 公共无效过滤器（字符串charText）{
filteredData.clear（）;
如果（charText.length（）== 0）{
filteredData.addAll（originalData）;
}其他{
对于（ProfileBean豆：originalData）{
如果（bean.getcategory_name（）。与toLowerCase（）。含有（charText.toLowerCase（）））{
filteredData.add（豆）;
}
}
}
notifyDataSetChanged（）;
}
}
i have an app in which i am displaying data from json into listview,and now want to apply searching functionality on the listview.but whenever i typing something in the editbox get an error array index out of bound.please help me to sort it out.
HomeActivity
public class HomeActivity extends Fragment {
String countryCode;
ArrayList<ProfileBean> catagery;
EditText search;
AdaptorClass adapter;
public static String Bussinessurl;
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
//setContentView(R.layout.homeactivity);
View rootView = inflater.inflate(R.layout.homeactivity, container, false);
//Log.i("homeurl", "http://chabu.agicent.com/api/v1/get_business?token=" +Login.USERTOKEN.toString());
search=(EditText)rootView.findViewById(R.id.search);
catagery = new ArrayList<ProfileBean>();
new JSONAsyncTask()
.execute(Login.AllChabu);
ListView listview = (ListView)rootView. findViewById(R.id.list);
adapter = new AdaptorClass(getActivity(), R.layout.row,
catagery);
listview.setItemsCanFocus(false);
//listview.setOnItemClickListener(this);
listview.setTextFilterEnabled(true);
listview.setAdapter(adapter);
countryCode = GetCountryZipCode();
Log.i("country code", countryCode);
listview.setOnItemClickListener(new OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> arg0, View arg1,
int position, long id) {
// TODO Auto-generated method stub
//Toast.makeText(getActivity(),
// catagery.get(position).getcategory_name(), Toast.LENGTH_LONG)
//.show();
position = position+1;
Log.i("url", Bussinessurl);
Intent i= new Intent( getActivity(), BusinessActivity.class);
startActivity(i);
}
});
search.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
search.addTextChangedListener(new TextWatcher() {
@Override
public void afterTextChanged(Editable arg0) {
}
@Override
public void beforeTextChanged(CharSequence s, int start,
int count, int after) {
}
@Override
public void onTextChanged(CharSequence s, int start,
int before, int count) {
adapter.getFilter().filter(s.toString());
}
});
}
});
return rootView;
}
AdaptorClass
public class AdaptorClass extends ArrayAdapter<ProfileBean> implements Filterable {
private List<ProfileBean> originalData = null;
private List<ProfileBean> filteredData = null;
LayoutInflater vi;
int Resource;
ViewHolder holder;
private ItemFilter mFilter = new ItemFilter();
public AdaptorClass(Context context, int resource,
ArrayList<ProfileBean> objects) {
super(context, resource, objects);
vi = (LayoutInflater) context
.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
Resource = resource;
//actorList = objects;
this.filteredData = objects;
this.originalData = objects;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
View v = convertView;
if (v == null) {
holder = new ViewHolder();
v = vi.inflate(Resource, null);
holder.tvDescription = (TextView) v
.findViewById(R.id.tvDescriptionn);
v.setTag(holder);
} else {
holder = (ViewHolder) v.getTag();
}
holder.tvDescription
.setText(filteredData.get(position).getcategory_name());
return v;
}
static class ViewHolder {
public TextView tvDescription;
}
public android.widget.Filter getFilter() {
return mFilter;
}
private class ItemFilter extends android.widget.Filter {
@Override
protected FilterResults performFiltering(CharSequence constraint) {
String filterString = constraint.toString().toLowerCase();
FilterResults results = new FilterResults();
final List<ProfileBean> list = originalData;
int count = list.size();
Log.i("count", String.valueOf(count));
final ArrayList<ProfileBean> nlist = new ArrayList<ProfileBean>(count);
String filterableString;
for (int i = 0; i <count; i++) {
ProfileBean bean = list.get(i);
filterableString = bean.getcategory_name();
if (filterableString.toLowerCase().contains(
filterString.toString().toLowerCase())) {
nlist.add(bean);
}
}
results.values = nlist;
results.count = nlist.size();
return results;
}
@SuppressWarnings("unchecked")
@Override
protected void publishResults(CharSequence constraint,
FilterResults results) {
filteredData = (ArrayList<ProfileBean>) results.values;
notifyDataSetChanged();
}
}
解决方案
Try this way,hope this will help you to solve your problem.
Home Fragment
public class HomeActivity extends Fragment {
String countryCode;
ArrayList<ProfileBean> catagery;
EditText search;
AdaptorClass adapter;
public static String Bussinessurl;
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
View rootView = inflater.inflate(R.layout.homeactivity, container, false);
//Log.i("homeurl", "http://chabu.agicent.com/api/v1/get_business?token=" +Login.USERTOKEN.toString());
search = (EditText) rootView.findViewById(R.id.search);
catagery = new ArrayList<ProfileBean>();
new JSONAsyncTask()
.execute(Login.AllChabu);
ListView listview = (ListView) rootView.findViewById(R.id.list);
adapter = new AdaptorClass(getActivity(), catagery);
listview.setItemsCanFocus(false);
listview.setTextFilterEnabled(true);
listview.setAdapter(adapter);
countryCode = GetCountryZipCode();
Log.i("country code", countryCode);
listview.setOnItemClickListener(new OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> arg0, View arg1,
int position, long id) {
//Toast.makeText(getActivity(),
// catagery.get(position).getcategory_name(), Toast.LENGTH_LONG)
//.show();
position = position + 1;
Log.i("url", Bussinessurl);
Intent i = new Intent(getActivity(), BusinessActivity.class);
startActivity(i);
}
});
search.addTextChangedListener(new TextWatcher() {
@Override
public void afterTextChanged(Editable arg0) {
String text = search.getText().toString();
adapter.filter(text);
}
@Override
public void beforeTextChanged(CharSequence arg0, int arg1,
int arg2, int arg3) {
}
@Override
public void onTextChanged(CharSequence arg0, int arg1, int arg2,int arg3) {
}
});
return rootView;
}
}
Adapter Class
public class AdaptorClass extends BaseAdapter {
private List<ProfileBean> originalData;
private List<ProfileBean> filteredData;
private Context context;
public AdaptorClass(Context context,ArrayList<ProfileBean> originalData) {
this.context=context;
this.originalData = originalData;
filteredData =new List<ProfileBean>();
filteredData.addAll(this.originalData);
}
@Override
public int getCount() {
return filteredData.size();
}
@Override
public Object getItem(int position) {
return filteredData.get(position);
}
@Override
public long getItemId(int position) {
return position;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
ViewHolder holder;
if (convertView == null) {
holder = new ViewHolder();
convertView = LayoutInflater.from(context).inflate(R.layout.row, null);
holder.tvDescription = (TextView) convertView.findViewById(R.id.tvDescriptionn);
convertView.setTag(holder);
} else {
holder = (ViewHolder) convertView.getTag();
}
holder.tvDescription.setText(filteredData.get(position).getcategory_name());
return convertView;
}
class ViewHolder {
public TextView tvDescription;
}
public void filter(String charText) {
filteredData.clear();
if (charText.length() == 0) {
filteredData.addAll(originalData);
} else {
for (ProfileBean bean : originalData) {
if (bean.getcategory_name().toLowerCase().contains(charText.toLowerCase())) {
filteredData.add(bean);
}
}
}
notifyDataSetChanged();
}
}
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