Best way to detect if TextView's text has been changed?

Question

Best way to detect if TextView's text has been changed? Something similar to dirty check -- so I can only save the textfields that's changed.

Answer 1

add textChangeListener to text view as following. write your stuff in onTextChanged() method.

              TextView txtview = new TextView(this);
            txtview.addTextChangedListener(new TextWatcher() {

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

                }

                @Override
                public void beforeTextChanged(CharSequence s, int start, int count,
                        int after) {
                    // TODO Auto-generated method stub

                }

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

                }
            });