Textwatcher doesn't recognize space

Question

I am trying to filter a gridview and for that I am entering the data in an editbox. It works great except that when I insert a space character in editbox it somehow doesn't recognize it and the result set comes empty. Please help

Here is my editbox listener:

search.addTextChangedListener(new TextWatcher(){

    @Override
    public void afterTextChanged(Editable arg0) {}

    @Override
    public void beforeTextChanged(CharSequence arg0, int arg1,
            int arg2, int arg3) {}

    @Override
    public void onTextChanged(CharSequence cs, int start, int before, int count) {

        MainActivity.this.adapter.getFilter().filter(cs);

        }

});

I can't figure out the problem since it's working fine with other characters.

see my edit it will help you to how to make custom filter in adapter :) — Hardik, Mar 28 '14 at 12:52

score 1 · Accepted Answer · answered Mar 28 '14 at 13:12

Try using trim(). Hope it will work for you.I know you will need to modify this code.but it may give you some idea.

search.addTextChangedListener(new TextWatcher(){

    @Override
    public void afterTextChanged(Editable arg0) {
        // TODO Auto-generated method stub

        MainActivity.this.adapter.getFilter().filter(search.getText().toString().trim());

    }

    @Override
    public void beforeTextChanged(CharSequence arg0, int arg1,
            int arg2, int arg3) {
        // TODO Auto-generated method stub

    }

    @Override
    public void onTextChanged(CharSequence cs, int start, int before,
            int count) {
        // TODO Auto-generated method stub

        }

});

If this doesnt work try second option

search.addTextChangedListener(new TextWatcher(){

    @Override
    public void afterTextChanged(Editable arg0) {
       String result = s.toString().replaceAll(" ", "");
    if (!s.toString().equals(result)) {
         ed.setText(result);
         ed.setSelection(result.length());
         // alert the user
    }

    }

    @Override
    public void beforeTextChanged(CharSequence arg0, int arg1,
            int arg2, int arg3) {
        // TODO Auto-generated method stub

    }

    @Override
    public void onTextChanged(CharSequence cs, int start, int before,
            int count) {


        }

});

I prefer first option using trim() to string text.

Thank you for your help. It worked. But now it doesn't recognize the word after space. Like if I put "Fighting child labor" it only recognizes fighting and the space after it but doesn't recognize child. — Zonera, Mar 31 '14 at 12:39
try adding maxlength to your edittext.Its just one suggestion,may not be perfect solution in your case. — Harshal Benake, Mar 31 '14 at 17:18
@Zonera how did u solved ur issue listed in ur comment above?by max length? — KOTIOS, Aug 05 '14 at 09:48

Roman Black · Answer 2 · 2014-03-28T08:45:19.943

0

Move Your filter code to afterTextChanged() method.

For example:

search.addTextChangedListener(new TextWatcher(){

    @Override
    public void afterTextChanged(Editable arg0) {
        // TODO Auto-generated method stub

        MainActivity.this.adapter.getFilter().filter(search.getText().toString());

    }

    @Override
    public void beforeTextChanged(CharSequence arg0, int arg1,
            int arg2, int arg3) {
        // TODO Auto-generated method stub

    }

    @Override
    public void onTextChanged(CharSequence cs, int start, int before,
            int count) {
        // TODO Auto-generated method stub

        }

});

edited Mar 28 '14 at 08:45

answered Mar 28 '14 at 07:34

Roman Black

3,501
1
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Still it returns the empty result on pressing space – Zonera Mar 28 '14 at 08:23
You can try to get text from TextView directly – Roman Black Mar 28 '14 at 08:44

score 0 · Answer 3 · edited May 21 '19 at 15:47

I was able to solve this problem with the following code:

@Override
public void afterTextChanged(Editable editable) {

    String keywords = editable.toString();
    if (keywords.length() > 0){
        String ultimo = keywords.substring(keywords.length() - 1);
        if (ultimo.equals(" ")){
            youtubeSearchView.setText(editable.toString() + "\b");
            youtubeSearchView.setSelection(keywords.length());
        }
    }

Textwatcher doesn't recognize space

3 Answers3

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