RecyclerView中有EditText时,设置TextWatcher发生错乱问题

版权声明:本文为博主原创文章,未经博主允许不得转载。 https://blog.csdn.net/Zone_Q/article/details/83076399

RecyclerView中有EditText时,设置TextWatcher发生错乱问题

解决办法:

  1. 在Adapter里面的onBindViewHolder方法里面先移除当前item中EditText的TextWatcher;
if (holder.editText.getTag() != null && holder.editText.getTag() instanceof TextWatcher) {
            holder.editText.removeTextChangedListener((TextWatcher) holder.editText.getTag());
        }
  1. 新建一个TextWatcher,然后给当前editText添加;
TextWatcher textWatcher = new TextWatcher() {
            @Override
            public void beforeTextChanged(CharSequence s, int start, int count, int after) {

            }

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

            }

            @Override
            public void afterTextChanged(Editable s) {
                String txt = holder.editText.getText().toString();
                if (!TextUtils.isEmpty(txt) && !TextUtils.equals(datas.get(position).getTxt(), txt)) {
                    data.setTxt(txt);
                }
            }
        };
holder.editText.addTextChangedListener(textWatcher);
  1. 最后给当前EditText设置Tag为当前的TextWatcher
holder.editText.setTag(textWatcher);

猜你喜欢

转载自blog.csdn.net/Zone_Q/article/details/83076399