當edittext的內容被改變時，你如何獲得edittext的值並將其存儲在textview上？

Question

如何獲取edittext值並將其存儲在textview中，同時edittext的內容被更改？上的EditText

Answer 1

NumofRevs_et.addTextChangedListener(new TextWatcher() { 
    public void afterTextChanged(Editable s) {} 

    public void beforeTextChanged(CharSequence s, int start, int count,int after) { 
    //XXX do something 
    } 

    public void onTextChanged(CharSequence s, int start, int before, int count) 
    { 
    title_text.setText(s); // set the Text View Value using the edit text value 
    } 
}); 

Answer 2

setTextWatcher .....然後覆蓋onTextChange，beforeTextChange，afterTextChange根據自己的需要