i hope this example could help you
in the Main_Activity
EditText etSearch;
BaseAdapterFilterable adapter;
etSearch.addTextChangedListener(new TextWatcher() {
@Override
public void onTextChanged(CharSequence s, int start, int before, int count) {
// Listview name of the class
Listview.this.adapter.getFilter().filter(s);
}
@Override
public void beforeTextChanged(CharSequence s, int start, int count,
int after) {
// TODO Auto-generated method stub
}
@Override
public void afterTextChanged(Editable s) {
// TODO Auto-generated method stub
}
});
in your adapter put this class to use it in getfilter method
public class filter_here extends Filter{
@Override
protected FilterResults performFiltering(CharSequence constraint) {
// TODO Auto-generated method stub
FilterResults Result = new FilterResults();
// if constraint is empty return the original names
if(constraint.length() == 0 ){
Result.values = Original_Names;
Result.count = Original_Names.size();
return Result;
}
ArrayList<String> Filtered_Names = new ArrayList<String>();
String filterString = constraint.toString().toLowerCase();
String filterableString;
for(int i = 0; i<Original_Names.size(); i++){
filterableString = Original_Names.get(i);
if(filterableString.toLowerCase().contains(filterString)){
Filtered_Names.add(filterableString);
}
}
Result.values = Filtered_Names;
Result.count = Filtered_Names.size();
return Result;
}
@Override
protected void publishResults(CharSequence constraint,FilterResults results) {
// TODO Auto-generated method stub
Names = (ArrayList<String>) results.values;
notifyDataSetChanged();
}
}
also in your adapter return instance from filter_here class
@Override
public Filter getFilter() {
// TODO Auto-generated method stub
return filter;
}