如何在列表视图中选中单选按钮? [英] How to get checked radio button in list view?
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问题描述
我想从列表视图的列表视图中获取选中的单选按钮，如下图所示.
I want to get checked radio button from list view from list item like below image.
AttendanceView.class
AttendanceView.class
package com.cfms.ApplicationLayer;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.RadioGroup;
import android.widget.TextView;
import android.widget.Toast;
import com.cfms.cfms_project.R;
public class AttendanceView extends Fragment implements OnItemClickListener {
ListView listEmp;
RadioGroup radiogroup;
TextView total_emp;
String[] x = new String[]{"Emp1","EMP2","EMP3","EMP4","EMP5","EMP6","EMP7","EMP8","EMP9","EMP10","EMP11","EMP12","EMP13","EMP14","EMP15","EMP16","EMP17","EMP18","EMP19"};
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.attendance_attendance_fragment, null);
radiogroup=(RadioGroup)view.findViewById(R.id.radio_attendance);
total_emp=(TextView)view.findViewById(R.id.txtv_total_emp);
total_emp.setText(""+x.length);
listEmp=(ListView)view.findViewById(R.id.list_empl);
ArrayAdapter<String> test = new ArrayAdapter<String>(getActivity().getApplicationContext(),R.layout.employee_attendance_row,R.id.txt_emp_attendance,x);
listEmp.setAdapter(test);
listEmp.setChoiceMode(ListView.CHOICE_MODE_MULTIPLE);
listEmp.setOnItemClickListener(new OnItemClickListener()
{
@Override
public void onItemClick(AdapterView<?> arg0, View arg1,int position, long arg3)
{
// makeText(SuggestionActivity.this, "" + position, Toast.LENGTH_SHORT).show();
}
});
return view;
}
@Override
public void onItemClick(AdapterView<?> arg0, View arg1, int arg2, long arg3) {
// TODO Auto-generated method stub
}
}
RadioGroupAdpter.class
RadioGroupAdpter.class
package com.cfms.ApplicationLayer;
import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.ViewGroup.LayoutParams;
import android.widget.BaseAdapter;
import android.widget.ListView;
import android.widget.RadioButton;
import android.widget.RadioGroup;
import android.widget.TextView;
import com.cfms.cfms_project.R;
public class RadioGroupAdapter extends BaseAdapter{
private Context mContext;
public RadioGroupAdapter(Context c){
mContext = c;
}
public int getCount(){
return mThumbIds.length;
}
public Object getItem(int position){
return null;
}
public long getItemId(int position){
return 0;
}
public View getView(int position, View convertView, ViewGroup parent){
ViewHolder holder = null;
if (convertView == null){
LayoutInflater infalInflater = (LayoutInflater) mContext.getSystemService(mContext.LAYOUT_INFLATER_SERVICE);
convertView= infalInflater.inflate(R.layout.employee_attendance_row, null);
holder = new ViewHolder();
holder.txt=(TextView)convertView.findViewById(R.id.txt_emp_attendance);
holder.radiogroup=(RadioGroup)convertView.findViewById(R.id.radio_attendance);
convertView.setTag(holder);
}
else
{
holder = (ViewHolder) convertView.getTag();
}
if(holder.radiogroup.getCheckedRadioButtonId()!=-1){
int id= holder.radiogroup.getCheckedRadioButtonId();
View radioButton = holder.radiogroup.findViewById(id);
int radioId = holder.radiogroup.indexOfChild(radioButton);
//RadioButton btn = (RadioButton) holder.radiogroup.getChildAt(radioId);
System.out.println("in adpter..............."+radioId);
//String selection = (String) btn.getText();
}
else{
System.out.println("in else part of adpter...................");
}
holder.txt.setText(mThumbIds[position]);
convertView.setLayoutParams(new ListView.LayoutParams(LayoutParams.MATCH_PARENT ,60));
return convertView;
}
public static String[] mThumbIds = {"EMP1",
"EMP2",
"EMP3",
"EMP4",
"EMP5",
"EMP6",
"EMP7",
"EMP8",
"EMP9",
"EMP10",
"EMP11",
"EMP12",
"EMP13",
"EMP14",
"EMP15",
"EMP16",
"EMP17",
"EMP18",
"EMP19",
"EMP20",
"EMP21",
"EMP22"};
static class ViewHolder {
TextView txt;
RadioGroup radiogroup;
}
}
我想得到员工的全部出席、缺席和半天.
I want to get total present, Absent and half day Of Employee.
请帮忙.谢谢.
推荐答案
问题解决了，只是在适配器类中进行了更改.
Problem solved just changing in adapter class.
package com.cfms.ApplicationLayer;
import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.LinearLayout.LayoutParams;
import android.widget.ListView;
import android.widget.RadioButton;
import android.widget.RadioGroup;
import android.widget.RadioGroup.OnCheckedChangeListener;
import android.widget.TextView;
import com.cfms.cfms_project.R;
public class RadioGroupAdapter extends BaseAdapter implements OnClickListener{
private Context mContext;
//TextView pretext;
private int selected = -1;
int countPre,countAbs,countHD;
public RadioGroupAdapter(Context c){
mContext = c;
}
public int getCount(){
return mThumbIds.length;
}
public Object getItem(int position){
return null;
}
public long getItemId(int position){
return 0;
}
public View getView(int position, View convertView, ViewGroup parent){
ViewHolder holder = null;
if (convertView == null){
LayoutInflater infalInflater = (LayoutInflater) mContext.getSystemService(mContext.LAYOUT_INFLATER_SERVICE);
convertView= infalInflater.inflate(R.layout.employee_attendance_row, null);
holder = new ViewHolder();
holder.txt=(TextView)convertView.findViewById(R.id.txt_emp_attendance);
holder.radiogroup=(RadioGroup)convertView.findViewById(R.id.radio_attendance);
holder.pre=(RadioButton)convertView.findViewById(R.id.radio_present);
holder.abs=(RadioButton)convertView.findViewById(R.id.radio_absent);
holder.halfday=(RadioButton)convertView.findViewById(R.id.radio_half_day);
//AttendanceAttandanceView.totalpre=(TextView).findViewById(R.id.txtv_total_pre);
// System.out.println("index of radio.........."+radioId);
convertView.setTag(holder);
}
else
{
holder = (ViewHolder) convertView.getTag();
}
holder.radiogroup.setOnCheckedChangeListener(new OnCheckedChangeListener() {
@Override
public void onCheckedChanged(RadioGroup group, int checkedId) {
// TODO Auto-generated method stub
View radioButton = group.findViewById(checkedId);
int radioId = group.indexOfChild(radioButton);
if(radioId == 0)
{
countPre++;
AttendanceAttandanceView.totalpre.setText(""+countPre);
}
else if(radioId == 1)
{
countAbs++;
AttendanceAttandanceView.totalabs.setText(""+countAbs);
}
else if(radioId == 2)
{
countHD++;
AttendanceAttandanceView.totalHalfday.setText(""+countHD);
}
//selected = radioId;
//notifyDataSetChanged();
}
});
holder.txt.setText(mThumbIds[position]);
holder.pre.setTag(position);
// holder.pre.setChecked(position == selected);
holder.abs.setTag(position);
//holder.abs.setChecked(position == selected);
holder.halfday.setTag(position);
//holder.halfday.setChecked(position == selected);
convertView.setLayoutParams(new ListView.LayoutParams(LayoutParams.MATCH_PARENT ,60));
return convertView;
}
public static String[] mThumbIds = {"EMP1",
"abcdef ghijklm nopqrstu vwxyz ABCDEFGH IJKLM",
"EMP3",
"EMP4",
"EMP5",
"EMP6",
"EMP7",
"EMP8",
"EMP9",
"EMP10",
"EMP11",
"EMP12",
"EMP13",
"EMP14",
"EMP15",
"EMP16",
"EMP17",
"EMP18",
"EMP19",
"EMP20",
"EMP21",
"EMP22"};
static class ViewHolder {
TextView txt;
RadioGroup radiogroup;
RadioButton pre,abs,halfday;
}
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
}
@Override
public int getViewTypeCount() {
//Count=Size of ArrayList.
return mThumbIds.length;
}
@Override
public int getItemViewType(int position) {
return position;
}
}
感谢大家的关注.
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