我在mapview上有标记，在recyclerview中有cardview，我想每当用户单击特定标记并将其抬高一点时滚动到特定卡上
我正在从Firebase代码中获取经纬度和lng坐标，以获取坐标 这是代码
获取有关卡数据的功能
public void loadhostelList() {
Query query = null;
if(!onClickedLocationArea.isEmpty())
{
lat.clear();
lng.clear();
String q=hostelID+"_"+ locationAreaKeyPair.get(onClickedLocationArea);
query =databaseReference.orderByChild("LOCATION_AREA").equalTo(q);
}else{
query =databaseReference.orderByChild("LOCATION_ID").equalTo(hostelID);
}
FirebaseRecyclerOptions<Inside_location> options=
new FirebaseRecyclerOptions.Builder<Inside_location>()
.setQuery(query,Inside_location.class)
.setLifecycleOwner(this)
.build();
adapter = new FirebaseRecyclerAdapter<Inside_location, InsideLocatinViewHolder>(options) {
public long avgRating,sum=0;
@Override
protected void onBindViewHolder(@NonNull final InsideLocatinViewHolder holder, int position, @NonNull final Inside_location model) {
//GET AVG RATING OF HOSTEL
ratingRef.child(adapter.getRef(position).getKey()).addValueEventListener(new ValueEventListener() {
@Override
public void onDataChange(@NonNull DataSnapshot dataSnapshot) {
for (DataSnapshot dataSnapshot1 : dataSnapshot.getChildren()) {
for (DataSnapshot dataSnapshot11 : dataSnapshot1.getChildren()) {
sum += (long) dataSnapshot11.getValue();
}
}
if (dataSnapshot.getChildrenCount() == 0) {
avgRating = 1;
} else {
avgRating = (long) sum / dataSnapshot.getChildrenCount();
}
holder.RATING.setRating(avgRating);
}
@Override
public void onCancelled(@NonNull DatabaseError databaseError) {
}
});
holder.NAME.setText(model.getNAME());
holder.ADDRESS.setText(model.getADDRESS());
holder.PRICE.setText("INR "+model.getPRICE()+"*");
holder.SHARING_TYPE.setText(model.getSHARING_TYPE());
holder.SEX.setText(model.getSEX());
Glide.with(insideHostelList.this).load(model.getPICTURES()).apply(new RequestOptions().override(300,185)).into(holder.PICTURES);
mShimmerViewContainer.stopShimmerAnimation();
mShimmerViewContainer.setVisibility(View.GONE);
final Inside_location clickItem = model;
holder.setItemClickListener(new itemClickListener() {
@Override
public void onClick(View view, int position, boolean isLongClick) {
/// Toast.makeText(insideHostelList.this,""+clickItem.getNAME(),Toast.LENGTH_LONG).show();
Intent intent = new Intent(insideHostelList.this,hostelDetails.class);
intent.putExtra("insideHostelID",adapter.getRef(position).getKey());
startActivity(intent);
hostelIdforSelectedRoom = adapter.getRef(position).getKey();
double x = (double) model.getDOUBLE_ROOM_AVAILABLE()/2;
numberOfDoubleRoom= (int)Math.ceil(x);
numberOfSinlgeRoom=model.getSINGLE_ROOM_AVAILABLE();
bookedRoomPrice= model.getPRICE();
bookedRoomAddress=model.getADDRESS();
bookedHostelName = model.getNAME();
AvailableRoomTypes=model.getSHARING_TYPE();
// Toast.makeText(insideHostelList.this,"db room:"+model.getDOUBLE_ROOM_AVAILABLE(),Toast.LENGTH_LONG).show();
// Toast.makeText(insideHostelList.this,"si room:"+model.getSINGLE_ROOM_AVAILABLE(),Toast.LENGTH_LONG).show();
}
});
Toast.makeText(insideHostelList.this, ""+position, Toast.LENGTH_SHORT).show();
//for animating map marker
}
@NonNull
@Override
public InsideLocatinViewHolder onCreateViewHolder(@NonNull ViewGroup viewGroup, int i) {
View view = LayoutInflater.from(viewGroup.getContext())
.inflate(R.layout.insidecardview, viewGroup, false);
return new InsideLocatinViewHolder(view);
}
};
// Log.d("TAG",""+adapter.getItemCount());
recyclerView.setAdapter(adapter);
}
//function to get lat and lng
query.addValueEventListener(new ValueEventListener() {
@Override
public void onDataChange(@NonNull DataSnapshot dataSnapshot) {
for(DataSnapshot childsnap:dataSnapshot.getChildren()){
LatAndLng latAndLng = childsnap.child("MAP_LOCATION").getValue(LatAndLng.class);
lat.add(String.valueOf(latAndLng.getLATITUDE()));
lng.add(String.valueOf(latAndLng.getLONGITUDE() ));
// Log.d("latitudess", "onDataChange: "+String.valueOf(latAndLng.getLATITUDE()));
}
callMapPins();
}
@Override
public void onCancelled(@NonNull DatabaseError databaseError) {
}
});
}
@Override
public void onMapReady(GoogleMap googleMap) {
mgoogleMap=googleMap;
}
public void callMapPins(){
for ( markerCount=0 ; markerCount<lat.size();markerCount++){
LatLng sydney = new LatLng(Float.parseFloat(lat.get(markerCount)), Float.parseFloat(lng.get(markerCount)));
mgoogleMap.addMarker(new MarkerOptions().position(sydney));
mgoogleMap.setOnMarkerClickListener(new GoogleMap.OnMarkerClickListener() {
@Override
public boolean onMarkerClick(Marker marker) {
Log.d("dddddddddd"," "+marker.getPosition().latitude);
if(lat.contains((String.valueOf(marker.getPosition().latitude)))){
Toast.makeText(insideHostelList.this, " I'm present in the list", Toast.LENGTH_SHORT).show();
}
Toast.makeText(insideHostelList.this, " "+marker.getPosition().latitude, Toast.LENGTH_SHORT).show();
return false;
}
});
mgoogleMap.moveCamera(CameraUpdateFactory.newLatLngZoom(sydney,10f));
}
}
有人可以在这段代码中帮助我，我找到了一个网站，但是它是针对react-native而不是针对android
更新：我已经更新了callMapPins函数，但是当我比较lat和lng时，我遇到的问题来了，我在数据库中存储的corrds末尾的位数更少，并且使用标记获取的coords也不同，所以我无法比较它们是否有解决问题的办法