EditView输入监听

代码：

mEditText.addTextChangedListener(new TextWatcher(){              @Override             public void afterTextChanged(Editable s) {                 Log.d(TAG, "afterTextChanged");             }              @Override             public void beforeTextChanged(CharSequence s, int start, int count,                     int after) {                 Log.d(TAG, "beforeTextChanged:" + s + "-" + start + "-" + count + "-" + after);                              }              @Override             public void onTextChanged(CharSequence s, int start, int before,                     int count) {                 Log.d(TAG, "onTextChanged:" + s + "-" + "-" + start + "-" + before + "-" + count);                 mTextView.setText(s);             }                      });     }