执行搜索后的ListView setOnItemClickListener不工作 [英] ListView setOnItemClickListener not working after implementing search
本文介绍了执行搜索后的ListView setOnItemClickListener不工作的处理方法，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
我有一个具有搜索功能的对话框里一个简单的列表视图。搜索功能工作正常，但名单的setOnItemClickListener停止工作执行搜索后。
函数来创建列表视图：
私人无效showCollegePopUp（）{
QustomDialogBuilder建设者=新QustomDialogBuilder（EditYourProfile.this）;
builder.setDividerColor（ColorController.bright_green）; 视图V = builder.setCustomView（R.layout.dialog_friend_layout，这一点）; 最终的ListView列表=（ListView控件）v.findViewById（R.id.dialog_list_view_friends）;
LayoutInflater吹气=（LayoutInflater）EditYourProfile.this.getSystemService
（Context.LAYOUT_INFLATER_SERVICE）;
footerView = inflater.inflate（R.layout.add_college_list_footer，列表，FALSE）;
list.addFooterView（footerView）;
inputSearch =（EditText上）v.findViewById（R.id.inputSearch）;
TextView中的TextView =（TextView中）v.findViewById（R.id.add_college）; textView.setTypeface（TypeFaceController.generalTextFace（EditYourProfile.this））; 的LinearLayout footer_linear_layout =（的LinearLayout）v.findViewById（R.id.footer_linear_layout）;
footer_linear_layout.setOnClickListener（新View.OnClickListener（）{
@覆盖
公共无效的onClick（视图v）{
alertDialog.dismiss（）;
意图I =新意图（EditYourProfile.this，CreateCollegeActivity.class）;
startActivity（ⅰ）;
}
}）;
footerView.setVisibility（View.GONE）; 如果（listOfCollegeCourseNames.size（）== 0）{
listOfCollegeCourseNames.add（抢学院......）;
} 适配器=新CustomDialogAdapterBasic（EditYourProfile.this，android.R.id.text1，listOfCollegeCourseNames）;
list.setPadding（16，0，0，0）;
list.setAdapter（适配器）;
inputSearch.addTextChangedListener（新TextWatcher（）{ //对EditTex改变字的事件时
@覆盖
公共无效onTextChanged（CharSequence中，诠释开始，诠释之前，诠释计数）{
Log.e（文本，文本[+ S +]）; 。adapter.getFilter（）过滤（s.toString（））;
} @覆盖
公共无效beforeTextChanged（CharSequence中，诠释开始，诠释计数，
INT后）{ } @覆盖
公共无效afterTextChanged（编辑S）{
} }）;
builder.setTitle（选择你的大学）;
builder.setMessage（从列表中选择大学：）;
builder.setCancelable（真）; builder.setPositiveButton（取消，新DialogInterface.OnClickListener（）{
公共无效的onClick（DialogInterface为arg0，ARG1 INT）{ }
}）; list.setOnItemClickListener（新OnItemClickListener（）{
公共无效onItemClick（适配器视图＆LT;＆GT;母公司，观景，INT位置，长的id）{
//随你的便，请 如果（adapter.getItem（位置）的ToString（）。等于（collegeData.get（位置）.getNameForCollege（））
|| adapter.getItem（位置）的ToString（）。等于（collegeData.get（位置）.getStudentsNameForCollege（）））{ newCollegeName = adapter.getItem（位置）的ToString（）; collegeEditPage.setText（Html.fromHtml（（newCollegeName）））; // +
//编辑））;
//courseEditPage.setText(Html.fromHtml((\"Must选择新课程）））; // +
//编辑））;
//当然不存在了。
studentObject.setCourseName（NULL）;
studentObject.setCollegeName（newCollegeName）; 如果（EditYourProfile.this.alertDialog！= NULL）{
EditYourProfile.this.alertDialog.dismiss（）;
//刷新使用的列表。
listOfCollegeCourseNames =新的ArrayList＆LT;串GT;（）;
newCollegeId = collegeData.get（位置）.getCollegeUnqId（）;
studentObject.setCollegeId（newCollegeId）;
} } }
}）; this.alertDialog = builder.create（）;
this.alertDialog.setOnShowListener（新OnShowListener（）{
@覆盖
公共无效昂秀（DialogInterface对话）{
AlertDialog alertDialog =（AlertDialog）对话框;
Button按钮= alertDialog.getButton（DialogInterface.BUTTON_POSITIVE）;
button.setTextSize（17）;
button.setTypeface（TypeFaceController.titleFace（getApplicationContext（）））;
}
}）;
alertDialog.show（）; }
ListView的适配器，支持搜索功能：
公共类CustomDialogAdapterBasic扩展ArrayAdapter＆LT;串GT;实现可筛选{ 上下文语境;
清单＆LT;串GT; valuesComingIn =新的ArrayList＆LT;串GT;（）;
清单＆LT;串GT; valuesFiltered =新的ArrayList＆LT;串GT;（）;
私人ItemFilter MFILTER =新ItemFilter（）;
公共CustomDialogAdapterBasic（上下文的背景下，INT资源列表与LT;弦乐＆GT; listComingIn）{
超（背景下，资源）;
this.context =背景;
this.valuesComingIn = listComingIn;
this.valuesFiltered = listComingIn;
}
公共无效updateBrowser（）{
this.notifyDataSetChanged（）;
} @覆盖
公众诠释的getCount（）{
返回valuesFiltered.size（）;
} 公共字符串的getItem（INT位置）抛出IndexOutOfBoundsException异常{
返回valuesFiltered.get（位置）;
} 众长getItemId（INT位置）{
返回的位置;
} @覆盖
公共布尔isEnabled（INT位置）{
返回true;
} @覆盖
公共查看getView（INT位置，查看convertView，父母的ViewGroup）{
LayoutInflater吹气=（LayoutInflater）context.getSystemService（Context.LAYOUT_INFLATER_SERVICE）;
查看rowView = inflater.inflate（R.layout.qustom_layout_list，父母，假）;
TextView中的TextView =（TextView中）rowView.findViewById（R.id.basic_text_view）; textView.setTypeface（TypeFaceController.generalTextFace（上下文））;
textView.setText（的getItem（位置））; 返回rowView;
} 公共过滤用getFilter（）{
返回MFILTER;
} 私有类ItemFilter扩展过滤器{
@覆盖
保护FilterResults performFiltering（CharSequence的约束）{ 字符串filterString = constraint.toString（）与toLowerCase（）。
Log.e（filterString，filterString）; FilterResults结果=新FilterResults（）; 最终名单＆LT;串GT;名单= valuesComingIn; 诠释计数=则为list.size（）;
最终的ArrayList＆LT;串GT; NLIST =新的ArrayList＆LT;串GT;（计数）; 串filterableString; 的for（int i = 0; I＆LT;计数;我++）{
filterableString = list.get（ⅰ）;
如果（filterableString.toLowerCase（）。包括（filterString））{
nlist.add（filterableString）;
}
} 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）{
valuesFiltered =（ArrayList的＆LT;串GT;）results.values;
notifyDataSetChanged（）;
} }}
列表视图行布局：
＆LT; LinearLayout中的xmlns：机器人=http://schemas.android.com/apk/res/android
机器人：layout_width =match_parent
机器人：layout_height =match_parent
机器人：方向=垂直
机器人：descendantFocusability =blocksDescendants＆GT; ＆LT;的TextView
机器人：ID =@ + ID / basic_text_view
机器人：layout_width =WRAP_CONTENT
机器人：layout_height =WRAP_CONTENT
机器人：TEXTSIZE =17sp
机器人：layout_margin =8DP
机器人：文字=TextView的/＆GT;＆LT; / LinearLayout中＆GT;
包含列表视图对话框的布局：
＆LT; LinearLayout中的xmlns：机器人=http://schemas.android.com/apk/res/android
机器人：layout_width =match_parent
机器人：layout_height =match_parent
机器人：方向=垂直＆GT; ＆LT; EditText上机器人：ID =@ + ID / inputSearch
机器人：layout_width =FILL_PARENT
机器人：layout_height =WRAP_CONTENT
机器人：提示=搜索院校。
安卓的inputType =textVisiblePassword/＆GT;
＆LT; ListView控件
机器人：ID =@ + ID / dialog_list_view_friends
机器人：layout_width =match_parent
机器人：layout_height =match_parent
＆GT;＆LT; /＆的ListView GT;＆LT; / LinearLayout中＆GT;
我在哪里去了？为什么 setOnItemClickListener 搜索后没有工作？
解决方案
试试这个方式来实现clickListener
公共类CustomDialogAdapterBasic扩展ArrayAdapter＆LT;串GT;实现可筛选{ 上下文语境;
清单＆LT;串GT; valuesComingIn =新的ArrayList＆LT;串GT;（）;
清单＆LT;串GT; valuesFiltered =新的ArrayList＆LT;串GT;（）;
私人ItemFilter MFILTER =新ItemFilter（）;
公共CustomDialogAdapterBasic（上下文的背景下，INT资源列表与LT;弦乐＆GT; listComingIn）{
超（背景下，资源）;
this.context =背景;
this.valuesComingIn = listComingIn;
this.valuesFiltered = listComingIn;
}
公共无效updateBrowser（）{
this.notifyDataSetChanged（）;
} @覆盖
公众诠释的getCount（）{
返回valuesFiltered.size（）;
} 公共字符串的getItem（INT位置）抛出IndexOutOfBoundsException异常{
返回valuesFiltered.get（位置）;
} 众长getItemId（INT位置）{
返回的位置;
} @覆盖
公共布尔isEnabled（INT位置）{
返回true;
} @覆盖
公共查看getView（INT位置，查看convertView，父母的ViewGroup）{
LayoutInflater吹气=（LayoutInflater）context.getSystemService（Context.LAYOUT_INFLATER_SERVICE）;
查看rowView = inflater.inflate（R.layout.qustom_layout_list，父母，假）;
TextView中的TextView =（TextView中）rowView.findViewById（R.id.basic_text_view）; textView.setTypeface（TypeFaceController.generalTextFace（上下文））;
textView.setText（的getItem（位置））;
textView.setOnClickListener（新侦听器（的getItem（位置）））;
返回rowView;
} 公共过滤用getFilter（）{
返回MFILTER;
} 类监听实现View.OnClickListener
{
字符串的TextData;
侦听器（字符串的TextData）
{
this.textData =的TextData;
} @覆盖
公共无效的onClick（视图v）{
//这里实现你的点击功能，并调用此类活动的任何方法
//（（ActivityName）上下文）.methodName（）;
}
} 私有类ItemFilter扩展过滤器{
@覆盖
保护FilterResults performFiltering（CharSequence的约束）{ 字符串filterString = constraint.toString（）与toLowerCase（）。
Log.e（filterString，filterString）; FilterResults结果=新FilterResults（）; 最终名单＆LT;串GT;名单= valuesComingIn; 诠释计数=则为list.size（）;
最终的ArrayList＆LT;串GT; NLIST =新的ArrayList＆LT;串GT;（计数）; 串filterableString; 的for（int i = 0; I＆LT;计数;我++）{
filterableString = list.get（ⅰ）;
如果（filterableString.toLowerCase（）。包括（filterString））{
nlist.add（filterableString）;
}
} 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）{
valuesFiltered =（ArrayList的＆LT;串GT;）results.values;
notifyDataSetChanged（）;
} }}
I have a simple listview inside a dialog which has a search function. The search function is working fine, but the list's setOnItemClickListener stops working after a search is performed.
Function to create the listview:
private void showCollegePopUp(){
QustomDialogBuilder builder = new QustomDialogBuilder(EditYourProfile.this);
builder.setDividerColor(ColorController.bright_green);
View v = builder.setCustomView(R.layout.dialog_friend_layout, this);
final ListView list = (ListView) v.findViewById(R.id.dialog_list_view_friends);
LayoutInflater inflater = (LayoutInflater)EditYourProfile.this.getSystemService
(Context.LAYOUT_INFLATER_SERVICE);
footerView = inflater.inflate(R.layout.add_college_list_footer, list, false);
list.addFooterView(footerView);
inputSearch = (EditText)v.findViewById(R.id.inputSearch);
TextView textView = (TextView) v.findViewById(R.id.add_college);
textView.setTypeface(TypeFaceController.generalTextFace(EditYourProfile.this));
LinearLayout footer_linear_layout = (LinearLayout)v.findViewById(R.id.footer_linear_layout);
footer_linear_layout.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
alertDialog.dismiss();
Intent i = new Intent(EditYourProfile.this, CreateCollegeActivity.class);
startActivity(i);
}
});
footerView.setVisibility(View.GONE);
if (listOfCollegeCourseNames.size() == 0) {
listOfCollegeCourseNames.add("Grabbing colleges...");
}
adapter = new CustomDialogAdapterBasic(EditYourProfile.this, android.R.id.text1, listOfCollegeCourseNames);
list.setPadding(16, 0, 0, 0);
list.setAdapter(adapter);
inputSearch.addTextChangedListener(new TextWatcher() {
//Event when changed word on EditTex
@Override
public void onTextChanged(CharSequence s, int start, int before, int count) {
Log.e("Text", "Text [" + s + "]");
adapter.getFilter().filter(s.toString());
}
@Override
public void beforeTextChanged(CharSequence s, int start, int count,
int after) {
}
@Override
public void afterTextChanged(Editable s) {
}
});
builder.setTitle("Select your college");
builder.setMessage("Choose College from the list:");
builder.setCancelable(true);
builder.setPositiveButton("Cancel", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface arg0, int arg1){
}
});
list.setOnItemClickListener(new OnItemClickListener() {
public void onItemClick(AdapterView<?> parent, View view, int position, long id){
// Do as you please
if (adapter.getItem(position).toString().equals(collegeData.get(position).getNameForCollege())
|| adapter.getItem(position).toString().equals(collegeData.get(position).getStudentsNameForCollege())) {
newCollegeName = adapter.getItem(position).toString();
collegeEditPage.setText(Html.fromHtml((newCollegeName)));// +
// edit));
//courseEditPage.setText(Html.fromHtml(("Must choose new course")));// +
// edit));
// course doesn't exist anymore.
studentObject.setCourseName(null);
studentObject.setCollegeName(newCollegeName);
if (EditYourProfile.this.alertDialog != null) {
EditYourProfile.this.alertDialog.dismiss();
// Refresh the list used.
listOfCollegeCourseNames = new ArrayList<String>();
newCollegeId = collegeData.get(position).getCollegeUnqId();
studentObject.setCollegeId(newCollegeId);
}
}
}
});
this.alertDialog = builder.create();
this.alertDialog.setOnShowListener(new OnShowListener() {
@Override
public void onShow(DialogInterface dialog){
AlertDialog alertDialog = (AlertDialog) dialog;
Button button = alertDialog.getButton(DialogInterface.BUTTON_POSITIVE);
button.setTextSize(17);
button.setTypeface(TypeFaceController.titleFace(getApplicationContext()));
}
});
alertDialog.show();
}
Listview's adapter that supports search functionality:
public class CustomDialogAdapterBasic extends ArrayAdapter<String> implements Filterable {
Context context;
List<String> valuesComingIn = new ArrayList<String>();
List<String> valuesFiltered = new ArrayList<String>();
private ItemFilter mFilter = new ItemFilter();
public CustomDialogAdapterBasic(Context context, int resource, List<String> listComingIn) {
super(context, resource);
this.context = context;
this.valuesComingIn = listComingIn;
this.valuesFiltered = listComingIn;
}
public void updateBrowser() {
this.notifyDataSetChanged();
}
@Override
public int getCount() {
return valuesFiltered.size();
}
public String getItem(int position) throws IndexOutOfBoundsException {
return valuesFiltered.get(position);
}
public long getItemId(int position) {
return position;
}
@Override
public boolean isEnabled(int position) {
return true;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
LayoutInflater inflater = (LayoutInflater)context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
View rowView = inflater.inflate(R.layout.qustom_layout_list, parent, false);
TextView textView = (TextView) rowView.findViewById(R.id.basic_text_view);
textView.setTypeface(TypeFaceController.generalTextFace(context));
textView.setText(getItem(position));
return rowView;
}
public Filter getFilter() {
return mFilter;
}
private class ItemFilter extends Filter {
@Override
protected FilterResults performFiltering(CharSequence constraint) {
String filterString = constraint.toString().toLowerCase();
Log.e("filterString", filterString);
FilterResults results = new FilterResults();
final List<String> list = valuesComingIn;
int count = list.size();
final ArrayList<String> nlist = new ArrayList<String>(count);
String filterableString ;
for (int i = 0; i < count; i++) {
filterableString = list.get(i);
if (filterableString.toLowerCase().contains(filterString)) {
nlist.add(filterableString);
}
}
results.values = nlist;
results.count = nlist.size();
return results;
}
@SuppressWarnings("unchecked")
@Override
protected void publishResults(CharSequence constraint, FilterResults results) {
valuesFiltered = (ArrayList<String>) results.values;
notifyDataSetChanged();
}
}
}
Listview row layout:
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
android:descendantFocusability="blocksDescendants">
<TextView
android:id="@+id/basic_text_view"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textSize="17sp"
android:layout_margin="8dp"
android:text="TextView" />
</LinearLayout>
The layout of the dialog containing listview:
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical" >
<EditText android:id="@+id/inputSearch"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:hint="Search colleges.."
android:inputType="textVisiblePassword"/>
<ListView
android:id="@+id/dialog_list_view_friends"
android:layout_width="match_parent"
android:layout_height="match_parent"
></ListView>
</LinearLayout>
Where am I going wrong? Why is the setOnItemClickListener not working after search?
解决方案
Try this way to implement clickListener
public class CustomDialogAdapterBasic extends ArrayAdapter<String> implements Filterable {
Context context;
List<String> valuesComingIn = new ArrayList<String>();
List<String> valuesFiltered = new ArrayList<String>();
private ItemFilter mFilter = new ItemFilter();
public CustomDialogAdapterBasic(Context context, int resource, List<String> listComingIn) {
super(context, resource);
this.context = context;
this.valuesComingIn = listComingIn;
this.valuesFiltered = listComingIn;
}
public void updateBrowser() {
this.notifyDataSetChanged();
}
@Override
public int getCount() {
return valuesFiltered.size();
}
public String getItem(int position) throws IndexOutOfBoundsException {
return valuesFiltered.get(position);
}
public long getItemId(int position) {
return position;
}
@Override
public boolean isEnabled(int position) {
return true;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
LayoutInflater inflater = (LayoutInflater)context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
View rowView = inflater.inflate(R.layout.qustom_layout_list, parent, false);
TextView textView = (TextView) rowView.findViewById(R.id.basic_text_view);
textView.setTypeface(TypeFaceController.generalTextFace(context));
textView.setText(getItem(position));
textView.setOnClickListener(new Listener(getItem(position)));
return rowView;
}
public Filter getFilter() {
return mFilter;
}
class Listener implements View.OnClickListener
{
String textData;
Listener(String textData)
{
this.textData = textData;
}
@Override
public void onClick(View v) {
// Implement your click functionality here and call any method of activity like this
// ((ActivityName)context).methodName();
}
}
private class ItemFilter extends Filter {
@Override
protected FilterResults performFiltering(CharSequence constraint) {
String filterString = constraint.toString().toLowerCase();
Log.e("filterString", filterString);
FilterResults results = new FilterResults();
final List<String> list = valuesComingIn;
int count = list.size();
final ArrayList<String> nlist = new ArrayList<String>(count);
String filterableString ;
for (int i = 0; i < count; i++) {
filterableString = list.get(i);
if (filterableString.toLowerCase().contains(filterString)) {
nlist.add(filterableString);
}
}
results.values = nlist;
results.count = nlist.size();
return results;
}
@SuppressWarnings("unchecked")
@Override
protected void publishResults(CharSequence constraint, FilterResults results) {
valuesFiltered = (ArrayList<String>) results.values;
notifyDataSetChanged();
}
}
}
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