Java 如何在android中使用recyclerView传递id而不是位置
我在recyclerView单击中有pass position,但有些问题是pass to position显示错误的数据,因此我如何在recyclerView中传递人员id。Java 如何在android中使用recyclerView传递id而不是位置,java,android,android-recyclerview,Java,Android,Android Recyclerview,我在recyclerView单击中有pass position,但有些问题是pass to position显示错误的数据,因此我如何在recyclerView中传递人员id。 我是android编程新手 回收查看项目点击 recyclerView = (RecyclerView) findViewById(R.id.recycler_view); buildCustomAdapter = new BuildCustomAdapter(this, peopleList); Re
我是android编程新手 回收查看项目点击
recyclerView = (RecyclerView) findViewById(R.id.recycler_view);
buildCustomAdapter = new BuildCustomAdapter(this, peopleList);
RecyclerView.LayoutManager mLayoutManager = new LinearLayoutManager(getApplicationContext());
recyclerView.setLayoutManager(mLayoutManager);
buildCustomAdapter.notifyDataSetChanged();
recyclerView.setItemAnimator(new DefaultItemAnimator());
recyclerView.setAdapter(buildCustomAdapter);
buildCustomAdapter.setOnItemClickListener(new BuildCustomAdapter.OnItemClickListener() {
@Override
public void onItemClick(View view, int position) {
detailPeople(position);
}
});
private void detailPeople(int position) {
Intent intent = new Intent(this, AddDetail.class);
intent.putExtra("peopleID", position);
startActivity(intent);
}
模型类
public class People implements Serializable {
private String peopleImage;
private String peopleName;
private String id;
public String getId() {
return id;
}
public void setId(String id) {
this.id = id;
}
public void setPeopleName(String peopleName) {
this.peopleName = peopleName;
}
public String getPeopleName() {
return peopleName;
}
public void setPeopleImage(String peopleImage) {
this.peopleImage = peopleImage;
}
public String getPeopleImage() {
return peopleImage;
}
}
适配器代码
public class BuildCustomAdapter extends RecyclerView.Adapter<BuildCustomAdapter.MyViewHolder> implements Filterable {
private List<People> peopleList;
private List<People> peopleListCopy;
private ItemFilter mFilter = new ItemFilter();
private OnItemClickListener mOnItemClickListener;
private Context mContext;
public BuildCustomAdapter(Context context, List<People> buildList) {
mContext = context;
this.peopleList = buildList;
this.peopleListCopy = new ArrayList<>();
peopleListCopy.addAll(buildList);
}
@Override
public MyViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
View itemView = LayoutInflater.from(parent.getContext())
.inflate(R.layout.build_list_row, parent, false);
return new MyViewHolder(itemView);
}
@Override
public void onBindViewHolder(final MyViewHolder holder, final int position) {
People people = peopleList.get(position);
byte[] decodedString = Base64.decode(people.getPeopleImage(), Base64.DEFAULT);
Bitmap decodedByte = BitmapFactory.decodeByteArray(decodedString, 0, decodedString.length);
holder.ivPeopleImage.setImageBitmap(decodedByte);
holder.tvPersonName.setText(people.getPeopleName());
holder.button.setSelected(people.getStatus() == 1);
holder.button.setOnClickListener(new onSelectListener(position));
}
@Override
public int getItemCount() {
return peopleList.size();
}
@Override
public Filter getFilter() {
if (mFilter == null) {
mFilter = new ItemFilter();
}
return mFilter;
}
public class MyViewHolder extends RecyclerView.ViewHolder implements View.OnClickListener {
public TextView tvPersonName;
public Button button;
public CircularImageView ivPeopleImage;
public MyViewHolder(View itemView) {
super(itemView);
mContext = itemView.getContext();
ivPeopleImage = (CircularImageView) itemView.findViewById(R.id.ivPerson);
tvPersonName = (TextView) itemView.findViewById(R.id.tvPersonName);
button = (Button) itemView.findViewById(R.id.addbn);
tvPersonName.setOnClickListener(this);
ivPeopleImage.setOnClickListener(this);
}
@Override
public void onClick(View v) {
if (mOnItemClickListener != null)
mOnItemClickListener.onItemClick(v, getPosition());
}
}
public void setOnItemClickListener(OnItemClickListener onItemClickListener) {
mOnItemClickListener = onItemClickListener;
}
public interface OnItemClickListener {
void onItemClick(View view, int position);
}
private class ItemFilter extends Filter {
protected FilterResults performFiltering(CharSequence constraint) {
FilterResults results = new FilterResults();
if (constraint != null && constraint.length() > 0) {
List<People> filterList = new ArrayList<>();
for (int i = 0; i < peopleListCopy.size(); i++) {
if ((peopleListCopy.get(i).getPeopleName().toUpperCase())
.contains(constraint.toString().toUpperCase())) {
People peopleName = peopleListCopy.get(i);
filterList.add(peopleName);
}
}
results.count = filterList.size();
results.values = filterList;
} else {
results.count = peopleListCopy.size();
results.values = peopleListCopy;
}
return results;
}
@Override
protected void publishResults(CharSequence constraint, FilterResults results) {
peopleList = (List<People>) results.values;
notifyDataSetChanged();
}
}
private class onSelectListener implements View.OnClickListener {
int mPosition;
public onSelectListener(int position) {
mPosition = position;
}
@Override
public void onClick(View view) {
People people = peopleList.get(mPosition);
view.setSelected(!view.isSelected());
people.setStatus(view.isSelected() ? 1 : 0);
notifyDataSetChanged();
}
}
从位置获取id
String id=peopleList.get(position).getId();
detailPeople(id);
在方法中传递该id,您就完成了。使用position从ArrayList获取People对象。使用以下代码更改detailPeople()方法
private void detailPeople(int position) {
Intent intent = new Intent(this, AddDetail.class);
intent.putExtra("peopleID", peopleList.get(position).getId());
startActivity(intent);
}
请更换
@Override
public void onClick(View v) {
if (mOnItemClickListener != null)
mOnItemClickListener.onItemClick(v, getPosition());
}
到
在适配器中。并将方法onItemClick的签名从
onItemClick(View v, int position)
到
然后用这个来根据身份证找到人
People peopleDetailsObj=null;
for(People ple:peopleList)
{
if(ple.getId().equals(peopleID)){
peopleDetailsObj=ple;
break;
}}
从何处获取用于在列表视图中显示的数据?使用getTag()进行recycleView,而不是getId()/getPosition()。请发布buildCustomAdapter代码。好的,我将共享a传递我在此行中获取的id peopleDetailsObj=peopleList.get(peopleID);peopleId为0如何解决此问题您必须将peopleDetailsObj=peopleList.get(peopleId)替换为上述代码包bundle=getIntent().getExtras();if(bundle!=null){int-peopleID=bundle.getInt(“peopleID”);peopleList.clear();BuildDataa();People-People=null;for(People:peopleList){if(ple.getId().equals(peopleID)){People=ple;break;}}请将int-peopleID=bundle.getInt(“peopleID”);更改为String-peopleID=bundle.getString(“peopleID”);抱歉,我忘了这是我的错误,boss@brijesh Kumara将clicklistner添加到适配器中。生成根布局id,然后在该布局id上将click listner放入bindview中。它将工作…您可以尝试…我这样使用…仅。。。!!!
@Override
public void onClick(View v) {
if (mOnItemClickListener != null)
mOnItemClickListener.onItemClick(v, peopleList.get(getPosition()).getId());
}
onItemClick(View v, int position)
onItemClick(View v, String id)
People peopleDetailsObj=null;
for(People ple:peopleList)
{
if(ple.getId().equals(peopleID)){
peopleDetailsObj=ple;
break;
}}