获得listview中的edittext文字

来源:互联网 发布:c语言中buffer 编辑:程序博客网 时间:2024/04/30 23:29
这周写应用的时候遇到一个问题,就是在listview中的edittext可以输入,但不能获得到edittext中输入的文字。解决的方法是给edittext添加TextWatcher监听事件,并在其中让edittext在输入时通过调用dispatchKeyEvent()方法一直获得焦点,最后在setOnKeyListener()中获得edittext输入的文字。

示例代码如下(代码全部写在adapter中):


private boolean programmaticalTextChange = false; private KeyEvent UnknownKey = new KeyEvent(KeyEvent.ACTION_DOWN,             KeyEvent.KEYCODE_UNKNOWN);  holder.groupPwd.setOnKeyListener(new OnKeyListener()  {            @Override            public boolean onKey(View v, int keyCode, KeyEvent event)            {             currentPwd=((EditText) v).getText().toString();                return false;            }        });    holder.groupPwd.addTextChangedListener(new MyTextWatcher(holder.groupPwd));    public class MyTextWatcher implements TextWatcher    {        private EditText editText;        public MyTextWatcher(EditText editText)        {            this.editText = editText;        }        @Override        public void afterTextChanged(Editable s) {            // 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 onTextChanged(CharSequence s, int start, int before,                int count) {            if (!programmaticalTextChange)                editText.dispatchKeyEvent(UnknownKey);        }    }

参考地址:http://stackoverflow.com/questions/14828052/how-can-i-store-edittexts-changes-in-the-items-of-a-listview

0 0