问在输入动态口令时输入后跳转到另一个EditText字段

EN

edittext.addTextChangedListener(new TextWatcher() {

@Override
public void afterTextChanged(Editable s) {}

@Override    
public void beforeTextChanged(CharSequence s, int start,
  int count, int after) {
}

@Override    
public void onTextChanged(CharSequence s, int start,
  int before, int count) {
   if(s.length() != 0)
     nextEdittext.requestFocus();
 }
});