实现对已分组到hashmap中的recycleviwer项的单击？
实现对已分组到hashmap中的recycleviwer项的单击？
提问于 2018-06-08 03:14:44
我有一个按日期分组的列表，在这样做之后，将被发送到适配器，以便组装布局。列表代码：
agendamentoVos = (ArrayList<AgendamentoVo>) ((RetornoFilaAtendimento) asyncTaskResult.getResult()).getRetorno();
HashMap<Date, List<AgendamentoVo>> groupedHashMap = groupDataIntoHashMap(agendamentoVos);
for (Date date : groupedHashMap.keySet()) {
DateItem dateItem = new DateItem();
String date1 = "";
try {
date1 = UtilDateFormat.formatDateToStringAnoMesDia(date);
} catch (ParseException e) {
e.printStackTrace();
}
dateItem.setDate(date1);
listItem.add(dateItem);
for (AgendamentoVo pojoOfJsonArray : groupedHashMap.get(date)) {
GeneralItem generalItem = new GeneralItem();
generalItem.setAgendamentoVoGeneral(pojoOfJsonArray);//setBookingDataTabs(bookingDataTabs);
listItem.add(generalItem);
}
}这里是分组方法：
private HashMap<Date, List<AgendamentoVo>> groupDataIntoHashMap(List<AgendamentoVo> agendamentoVoList) {
HashMap<Date, List<AgendamentoVo>> groupedHashMap = new HashMap<>();
for (AgendamentoVo agendamentoVo : agendamentoVoList) {
Date hashMapKey = UtilDateFormat.removeHora(agendamentoVo.getItemAgenda().getDtConsulta());// dd/MM/yyyy
if (groupedHashMap.containsKey(hashMapKey)) {
// The key is already in the HashMap; add the pojo object
// against the existing key.
groupedHashMap.get(hashMapKey).add(agendamentoVo);
} else {
// The key is not there in the HashMap; create a new key-value pair
List<AgendamentoVo> list = new ArrayList<>();
list.add(agendamentoVo);
groupedHashMap.put(hashMapKey, list);
}
}
return groupedHashMap;
}将分组的内容发送到适配器：
mAdapter = new CustomRecyclerViewAdapterFila(listItem, this, this, new CustomItemClickListener() {
@Override
public void onItemClick(View v, int position) {
itemclick(position);
}
});
// use this setting to improve performance if you know that changes
// in content do not change the layout size of the RecyclerView
LinearLayoutManager layoutManager = new LinearLayoutManager(this);
layoutManager.setOrientation(LinearLayoutManager.VERTICAL);
//mRecyclerView.setHasFixedSize(true);
// use a linear layout manager
mRecyclerView.setLayoutManager(layoutManager);
mRecyclerView.setAdapter(mAdapter);在适配器中，如图所示挂载分组布局：
然后，适配器阵列的大小为5，卡在位置1、2和4。然后，对于点击，例如，如果点击了第三张卡，即位置4，则中断。
错误：
at br.com.sisteplan.evida.atendimento.activities.FilaActivity.itemclick(FilaActivity.java:310)
at br.com.sisteplan.evida.atendimento.activities.FilaActivity.access$500(FilaActivity.java:46)
at br.com.sisteplan.evida.atendimento.activities.FilaActivity$4.onItemClick(FilaActivity.java:291)
at br.com.sisteplan.evida.atendimento.adapters.CustomRecyclerViewAdapterFila$1.onClick(CustomRecyclerViewAdapterFila.java:110)适配器：
private CustomItemClickListener listener;
@NonNull
@Override
public RecyclerView.ViewHolder onCreateViewHolder(
@NonNull ViewGroup parent, int viewType) {
RecyclerView.ViewHolder viewHolder = null;
LayoutInflater inflater = LayoutInflater.from(parent.getContext());
switch (viewType) {
case ListItem.TYPE_GENERAL:
View v1 = inflater.inflate(R.layout.cell_item_fila, parent,
false);
viewHolder = new GeneralViewHolder(v1);
break;
case ListItem.TYPE_DATE:
View v2 = inflater.inflate(R.layout.cell_item_date_fila, parent, false);
viewHolder = new DateViewHolder(v2);
break;
}
return viewHolder;
}
@Override
public void onBindViewHolder(RecyclerView.ViewHolder viewHolder, final int position) {
switch (viewHolder.getItemViewType()) {
case ListItem.TYPE_GENERAL:
final GeneralItem generalItem = (GeneralItem) mDataset.get(position);
final GeneralViewHolder generalViewHolder= (GeneralViewHolder) viewHolder;
generalViewHolder.txtTitle.setText(generalItem.getAgendamentoVoGeneral().getPaciente().getNmPaciente());
generalViewHolder.linearLayoutCard.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
listener.onItemClick(view, generalViewHolder.getAdapterPosition());
}
});
break;
case ListItem.TYPE_DATE:
DateItem dateItem = (DateItem) mDataset.get(position);
DateViewHolder dateViewHolder = (DateViewHolder) viewHolder;
dateViewHolder.txtTitle.setText(dateItem.getDate());
// Populate date item data here
break;
}
}ItemClick：
private void itemclick(int position) {
Intent it = new Intent(this, AtendimentoPacienteActivity.class);
Bundle bundle = new Bundle();
//CRASH CRASH!!!
pacienteVo = agendamentoVos.get(position).getPaciente(); //CRASH CRASH!!!
consultaVo.setDtInicio(UtilDateFormat.dataCorrente());
consultaVo.setAgendamento(agendamentoVos.get(position));
bundle.putSerializable(getString(R.string.argument_paciente), pacienteVo);
bundle.putSerializable(getString(R.string.consulta_bundle), consultaVo);
it.putExtras(bundle);
startActivity(it);
}如何实现点击项目？谢谢
回答 1
Stack Overflow用户
回答已采纳
发布于 2018-06-08 03:42:59
由于您的项目列表很复杂，因此很难处理基于位置的单击，但您始终可以使用视图设置标签，在onClick方法中，您可以使用getTag()方法获取项目并对项目执行所需的操作。
generalViewHolder.linearLayoutCard.setTag(generalItem);
generalViewHolder.linearLayoutCard.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
listener.onItemClick(view,(GeneralItem)v.getTag());
}
});定义：
private void onItemClick(View v, GeneralItem generalItem) {
//do your handling based on generalItem object
}或者，您也可以将项目在列表中的实际位置设置为标签值，而不是完整项目。
页面原文内容由Stack Overflow提供。腾讯云小微IT领域专用引擎提供翻译支持
原文链接：
https://stackoverflow.com/questions/50748680
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