意见反馈输入框数字变化_若雪似风_新浪博客

               //已经反馈输入框监听

edit_feedback.addTextChangedListener(new TextWatcher() {

@Override

public void onTextChanged(CharSequence s, int start, int before, int count) {

String content = edit_feedback.getText().toString();

                                //实时设置可输入数字

tv_num.setText(String.valueOf(200 - content.length()));

}

@Override

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

// TODO Auto-generated method stub

}

@Override

public void afterTextChanged(Editable s) {

// TODO Auto-generated method stub

}

});