Hi there.
I have one problem that while I am Scroll down/up a custom listview layout then one of item in my custom layout is checkbox which is automatically getting selected in random up/down scroll.
This is my adapter code
[code=java]
public class StudentSearchViewAdapter extends ArrayAdapter<Calendar_Faculty_Model> {
List<Calendar_Faculty_Model> seacrhData; /*
* This will store all list of
* Student in Search
*/
Set<String> selectedStudentLsit = new HashSet<String>();
Set<String> StudentList=new HashSet<String>();
ViewHolder holder;
public Set<String> getStudentList() {
return StudentList;
}
public Set<String> getSelectedStudentLsit() {
return selectedStudentLsit;
}
Context context;
LayoutInflater inflator;
int layoutResourceId;
String first_name,last_name,Course,branch,status;
public StudentSearchViewAdapter(Context context, int resource,
List<Calendar_Faculty_Model> objects) {
super(context, resource, objects);
// TODO Auto-generated constructor stub
this.context = context;
this.layoutResourceId = resource;
this.seacrhData = objects;
}
@Override
public View getView(final int position, View convertView, ViewGroup parent) {
// TODO Auto-generated method stub
System.out.println("Inside getView()..");
if (convertView == null) {
holder=new ViewHolder();
inflator = ((Activity) context).getLayoutInflater();
convertView = inflator.inflate(layoutResourceId, null);
holder.username = (TextView) convertView.findViewById(R.id.cfv_tv_username);
holder.course = (TextView) convertView.findViewById(R.id.cfv_tv_course);
holder.userid = (TextView) convertView.findViewById(R.id.cfv_tv_userid);
holder.status=(CheckBox)convertView.findViewById(R.id.cfv_chk_status);
convertView.setTag(holder);
}
holder = (ViewHolder) convertView.getTag();
first_name = seacrhData.get(position).getFirst_name();
last_name = seacrhData.get(position).getLast_name();
final String User_Id = seacrhData.get(position).getUser_id();
Course = seacrhData.get(position).getCourse();
branch = seacrhData.get(position).getBranch();
status=seacrhData.get(position).getStatus();
holder.username.setText(first_name + " " + last_name);
holder.userid.setText(User_Id);
holder.course.setText(Course + " " + branch);
StudentList.add(User_Id);
if (status.equals("Present")) {
holder.status.setChecked(true);
selectedStudentLsit.add(User_Id);
System.out.println("?>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Alread ySelecteds" + User_Id);
}
holder.status.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
@Override
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
// TODO Auto-generated method stub
System.out.println("Inside onCheckedChanged()");
if(buttonView.isChecked()){
System.out.println(">>>>>>>>>>>>>>>>>>>" + User_Id + "is Selected");
selectedStudentLsit.add(User_Id);
}else{
if(selectedStudentLsit.contains(User_Id)){
selectedStudentLsit.remove(User_Id);
System.out.println("Elemment is remover " + User_Id);}
else
System.out.println(">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>" + User_Id + " Not availabel in list");
}
System.out.println("Exiting onCheckedChanged()");
}
});
System.out.println("Exiting getView()");
return convertView;
}
static class ViewHolder {
TextView username;
TextView course;
TextView userid;
CheckBox status;
}
}
this is my custom xml layout
[code=java]
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical" >
<TextView
android:id="@+id/cfv_tv_username"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Name"
android:textSize="17sp"/>
<TextView
android:id="@+id/cfv_tv_userid"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_below="@+id/cfv_tv_username"
android:text="User Id"
android:textSize="17sp"/>
<TextView
android:id="@+id/cfv_tv_course"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_below="@+id/cfv_tv_userid"
android:text="Course"
android:textSize="17sp"/>
<CheckBox
android:id="@+id/cfv_chk_status"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignBottom="@+id/cfv_tv_userid"
android:layout_alignParentRight="true"
android:text="CheckBox" />
</RelativeLayout>
all thing is work fine that setting listActivity adapter and else
But List Scrolling will sometime change some checkbox to checked?
Where I am wrong?