我有一个多选择警告对话框，它在列表中正确显示一个arraylist，每行都有一个复选框。我想更改列表中选中项目的值，即...如果选中它应该是1否则0问题是单击它只会获取列表中的最后一项并更改其值
alertdialogbuilder = new AlertDialog.Builder(FormBuilderActivity.this);
final boolean[] Selectedtruefalse = new boolean[multiSelectPopulationList[0].size()];
for(int x=0;x<multiSelectPopulationList[0].size();x++)
{
if(multiSelectPopulationList[0].get(x).getValue()==0)
{
Selectedtruefalse[x]=false;
}
else
{
Selectedtruefalse[x]=true;
}
}
final ArrayList<MultiSelectModel> ItemsIntoList;
ItemsIntoList = new ArrayList<>();
ItemsIntoList.clear();
ItemsIntoList.addAll(multiSelectPopulationList[0]);
final String[] AlertDialogItems = new String[multiSelectPopulationList[0].size()];
for(int z=0;z<multiSelectPopulationList[0].size();z++)
{
AlertDialogItems[z]=multiSelectPopulationList[0].get(z).getPopulationListItem();
}
alertdialogbuilder.setMultiChoiceItems(AlertDialogItems, Selectedtruefalse, new DialogInterface.OnMultiChoiceClickListener() {
@Override
public void onClick(DialogInterface dialog, int which, boolean isChecked) {
if(multiSelectPopulationList[0].get(which).getValue()==0)
{
multiSelectModel.setValue(1);
multiSelectPopulationList[0].set(which, multiSelectModel);
Log.d("Multisel["+which+"]rowlabel",multiSelectPopulationList[0].get(which).getName());
Log.d("Multisel["+which+"]rowId",multiSelectPopulationList[0].get(which).getRowId());
Log.d("Multisel["+which+"]optionValue",multiSelectPopulationList[0].get(which).getPopulationListItem());
Log.d("Multisel["+which+"]checkValue",String.valueOf(multiSelectPopulationList[0].get(which).getValue()));
}
else
{
multiSelectModel.setValue(1);
multiSelectPopulationList[0].set(which, multiSelectModel);
Log.d("Multisel["+which+"]rowlabel",multiSelectPopulationList[0].get(which).getName());
Log.d("Multisel["+which+"]rowId",multiSelectPopulationList[0].get(which).getRowId());
Log.d("Multisel["+which+"]optionValue",multiSelectPopulationList[0].get(which).getPopulationListItem());
Log.d("Multisel["+which+"]checkValue",String.valueOf(multiSelectPopulationList[0].get(which).getValue()));
}
}
});
答案 0 :(得分：0)
我尝试使用搜索选项自定义多选弹出对话框。
使用 MultiSelect.java
创建类名public class MultiSelect {
private int id;
private String name;
private boolean isSelected;
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public boolean isSelected() {
return isSelected;
}
public void setSelected(boolean selected) {
isSelected = selected;
}
}
创建名称为 pop_up_list.xml
的xml文件<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
android:padding="10dp">
<EditText
android:id="@+id/etxt_search"
android:layout_width="match_parent"
android:layout_height="50dp"
android:layout_marginTop="10dp"
android:background="@drawable/rounded_edge"
android:drawableLeft="@android:drawable/ic_search_category_default"
android:visibility="gone" />
<CheckBox
android:id="@+id/chk_select_all"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="Select All"
android:textColor="@android:color/black"
android:visibility="gone" />
<ListView
android:id="@+id/list_items"
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_marginTop="10dp"
android:layout_weight="1" />
<android.support.v7.widget.RecyclerView
android:id="@+id/list_recycle_items"
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_marginTop="10dp"
android:layout_weight="1"
android:visibility="gone" />
<Button
android:id="@+id/btn_filter_select"
android:layout_width="wrap_content"
android:layout_height="50dp"
android:layout_gravity="center"
android:layout_marginTop="10dp"
android:background="@drawable/rounded_edge_orange"
android:text="Select"
android:textColor="@android:color/white" />
</LinearLayout>
创建名称为 PrefStateAdapter.java
的适配器类import android.content.Context;
import android.support.annotation.NonNull;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.BaseAdapter;
import android.widget.CheckBox;
import android.widget.CompoundButton;
import android.widget.Filter;
import android.widget.Filterable;
import android.widget.TextView;
import <your_project_package>.R;
import <your_project_package>.MultiSelect;
import java.util.ArrayList;
import java.util.List;
public class PrefStateAdapter extends BaseAdapter implements Filterable {
private Context context;
private List<MultiSelect> listState;
private List<MultiSelect> tempStateList;
private CityFilter cityFilter;
ViewHolder holder = null;
public PrefStateAdapter(Context context, List<MultiSelect> list) {
this.context = context;
this.listState = list;
this.tempStateList = list;
}
@Override
public int getCount() {
return listState.size();
}
@Override
public Object getItem(int position) {
return null;
}
@Override
public long getItemId(int position) {
return 0;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
if (convertView == null) {
LayoutInflater layoutInflator = LayoutInflater.from(context);
convertView = layoutInflator.inflate(R.layout.row_pref_city, null);
holder = new ViewHolder();
holder.mTextView = (TextView) convertView.findViewById(R.id.txt_pref_city_name);
holder.mCheckBox = (CheckBox) convertView.findViewById(R.id.chk_pref_city);
holder.mCheckBox.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
@Override
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
MultiSelect m = listState.get((Integer) buttonView.getTag());
m.setSelected(isChecked);
for (int i = 0; i < tempStateList.size(); i++) {
MultiSelect multiSelect = tempStateList.get(i);
if (m.getId() == multiSelect.getId()) {
multiSelect.setSelected(isChecked);
}
}
notifyDataSetChanged();
}
});
convertView.setTag(holder);
} else {
holder = (ViewHolder) convertView.getTag();
}
holder.mCheckBox.setTag(position);
MultiSelect m = listState.get((Integer) holder.mCheckBox.getTag());
holder.mCheckBox.setTag(position);
holder.mTextView.setText(m.getName());
holder.mCheckBox.setChecked(m.isSelected());
//holder.mCheckBox.setChecked((boolean) holder.mCheckBox.getTag(m.getId()));
return convertView;
}
@Override
public Filter getFilter() {
if (cityFilter == null) {
cityFilter = new CityFilter();
}
return cityFilter;
}
class CityFilter extends Filter {
@Override
protected FilterResults performFiltering(CharSequence constraint) {
FilterResults results = new FilterResults();
if (constraint != null && constraint.length() > 0) {
List<MultiSelect> filterList = new ArrayList<MultiSelect>();
for (int i = 0; i < tempStateList.size(); i++) {
if ((tempStateList.get(i).getName().toUpperCase())
.contains(constraint.toString().toUpperCase())) {
MultiSelect multiSelect = new MultiSelect();
multiSelect.setName(tempStateList.get(i).getName());
multiSelect.setId(tempStateList.get(i).getId());
multiSelect.setSelected(tempStateList.get(i).isSelected());
filterList.add(multiSelect);
}
}
results.count = filterList.size();
results.values = filterList;
} else {
results.count = tempStateList.size();
results.values = tempStateList;
}
return results;
}
@Override
protected void publishResults(CharSequence constraint, FilterResults results) {
listState = (List<MultiSelect>) results.values;
//tempCityList = (List<MultiSelect>) results.values;
notifyDataSetChanged();
}
}
private class ViewHolder {
private TextView mTextView;
private CheckBox mCheckBox;
}
}
最后显示多选弹出窗口的方法
private void showDesignationPopUp(final List<MultiSelect> list) {
final AlertDialog.Builder dialog = new AlertDialog.Builder(YourClassName.this);
LayoutInflater inflater = LayoutInflater.from(YourClassName.this);
//dialog.setCancelable(false);
final View v = inflater.inflate(R.layout.pop_up_list, null);
final ListView cityList = (ListView) v.findViewById(R.id.list_items);
final EditText etxtSearch = (EditText) v.findViewById(R.id.etxt_search);
final Button btnFilteSelect = (Button) v.findViewById(R.id.btn_filter_select);
//If you don't want to use search option, comment below line
etxtSearch.setVisibility(View.VISIBLE);
final PrefStateAdapter adapter = new PrefStateAdapter(CandiPrefJobLocationNew.this, list);
cityList.setAdapter(adapter);
etxtSearch.addTextChangedListener(new TextWatcher() {
@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);
}
@Override
public void afterTextChanged(Editable s) {
}
});
btnFilteSelect.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
//you can get selected item in this
}
});
dialog.setView(v);
ad2 = dialog.show();
}
这是工作代码，您需要在xml文件中更改drawable 我希望这能帮到您 快乐的编码!!!! 一切顺利!!