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RecyclerView中有EditText时,设置TextWatcher发生错乱问题
解决办法:
- 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());
}
- 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);
- 最后给当前EditText设置Tag为当前的TextWatcher
holder.editText.setTag(textWatcher);