filter

MealPickerFragment.java

        mealListView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView<?> parent, View dialogView, int position, long id) {
                TextView mealName = (TextView) getActivity().findViewById(R.id.meal_name_text);
                mealName.setText(adapter.getItem(position).getName());
                TextView mealId = (TextView) getActivity().findViewById(R.id.meal_name_id);
                mealId.setText(String.valueOf(adapter.getItem(position).getId()));
                MealPickerFragment.this.dismiss();
            }
        });

        EditText filterEditText = (EditText) view.findViewById(R.id.meal_name_filter);
        filterEditText.addTextChangedListener(new TextWatcher() {
            @Override
            public void beforeTextChanged(CharSequence s, int start, int count, int after) {

            }

            @Override
            public void onTextChanged(CharSequence s, int start, int before, int count) {
                Filter filter = adapter.getFilter();
                filter.filter(s);
            }

            @Override
            public void afterTextChanged(Editable s) {

            }
        });