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  • How to search in a ListView via ArrayAdapter?

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    ListView with searching feature is very common in applications. You just need an EditText at the top of the ListView or as per your designs.
    Below are the steps-


    First you need to initialize the ListView and EditText

    countryCodelistView = (ListView) findViewById(R.id.country_code_list_view);
    countryCodeSearchEditText = (EditText) findViewById(R.id.country_code_search);
    


    Now add ArrayAdapter in a ListView

    adapter = new ArrayAdapter<String>(this, R.layout.country_code_list_item,
                    R.id.country_code_text_view, array);
    countryCodelistView.setAdapter(adapter);
    


    Here array is the list that holds by a ListView


    Now final step is to apply addTextChangedListener on the EditText

    countryCodeSearchEditText.addTextChangedListener(new TextWatcher() {
    
                @Override
                public void onTextChanged(CharSequence cs, int arg1, int arg2,
                        int arg3) {
                    // When user changed the Text
                    CountryCodeActivity.this.adapter.getFilter().filter(cs);
                }
    
                @Override
                public void beforeTextChanged(CharSequence arg0, int arg1,
                        int arg2, int arg3) {
                    // TODO Auto-generated method stub
    
                }
    
                @Override
                public void afterTextChanged(Editable arg0) {
                    // TODO Auto-generated method stub
                }
            });
    

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