editText.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) {

            }

            @Override

            public void afterTextChanged(Editable s) {

                textView.setText(editText.getText());

            }

        });