EditText的监听事件

1. 这样做可以正常监听EditText的输入

EditText et = new EditText();et.addTextChangedListener(new TextWatcher() {@Overridepublic void onTextChanged(CharSequence s, int start, int before, int count) {// TODO Auto-generated method stub}@Overridepublic void beforeTextChanged(CharSequence s, int start, int count,int after) {// TODO Auto-generated method stub}@Overridepublic void afterTextChanged(Editable s) {// TODO Auto-generated method stubLog.i("TAG",et.getText().toString());}});

 

2.为什么另外一种方法监听不到呢?

EditText et = new EditText();et.setOnKeyListener(new EditText.OnKeyListener()      {        @Override        public boolean onKey(View arg0, int arg1, KeyEvent arg2)        {          // TODO Auto-generated method stub          Log.i("TAG",et.getText().toString());        return false;        }    });