TextWatcher watcher1 = new TextWatcher() {

        @SuppressWarnings("static-access")
        public void afterTextChanged(Editable s) {
            if(text1.length()==0)
            {
                return;
            }

            if (text1.hasFocus() == true && !text1.getText().equals("-")) {

                try{
                    double inputValue = Float.parseFloat(text1.getText().toString());
                    DecimalFormat df = new DecimalFormat("###,###,###,###.####################");
                    BigDecimal a = new BigDecimal(Value1(inputValue));
                    BigDecimal b = new BigDecimal(Value2(inputValue));                    
                    text2.setText(df.format(a));
                    text3.setText(df.format(b));
                }
                catch (NumberFormatException e){

                    return;
                }
            }
        }
        public void beforeTextChanged(CharSequence s, int start, int count,
                                      int after) {
        }
        public void onTextChanged(CharSequence s, int start, int before,
                                  int count) {


        }
    };

/*В onCreate*/
listView.setOnItemClickListener(new DrawerItemClickListener());

/*После onCreate*/
 private class DrawerItemClickListener implements ListView.OnItemClickListener {
        @Override
        public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
            selectItem(position);
        }
    }
    private void selectItem(int position) {
        switch (position) {
            case 0:
                break;
            case 1:
                break;
            default:
                ;
        }