- 1.需求:listview展示商品订单列表,每个订单可以添加留言信息。最后将所有订单留言信息和订单信息提交后台进行结算。
- 2.实现。
// editText设置输入监听
childViewHolder.mEtWord.addTextChangedListener(newTextSwitcher(childViewHolder));
// 将每个position位置和edittext相关联
childViewHolder.mEtWord.setTag(groupPosition);
private class TextSwitcher implements TextWatcher {
private ChildViewHolder mHolder;
public TextSwitcher(ChildViewHolder mHolder) {
this.mHolder = mHolder;
}
@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) {
if (s != null) mClick.saveEdit(Integer.parseInt(mHolder.mEtWord.getTag().toString()), s.toString());
}
}
public interface OnItemClick {
void onItemClick(int position);
//接口回调,监听输入内容
void saveEdit(int position, String string);
}
public void setOnItemClick(OnItemClick click) {
mClick = click;
}
- 获取数据
Map<Integer,String> msgMap = new HashMap<>(); //对应条目的留言
mAdapter.setOnItemClick(new OrderSubmitAdapter.OnItemClick() {
@Override
public void onItemClick(int position) {
}
@Override
public void saveEdit(int position, String string) {
msgMap.put(position, string);
}
});
最后,将集合中的内容传递出去。