Bonjour mes chers developpeurs

je suis  un debutant en android et cherche quelqu'un pour m'aider

le probleme est :comment trouver la position de station Bus sur un fragment maps de telephone android

avec:

base mysql :table car(id,description,name,lat,long)

bus.php : web service pour 

activity :MapsActivity

classe java(Bus,Busresponse,retrofitclient)

interface :Api

package net.simplifiedcoding.my;

import androidx.fragment.app.FragmentActivity;
import retrofit2.Call;
import retrofit2.Callback;
import retrofit2.Response;

import android.os.Bundle;
import android.util.Log;

import com.google.android.gms.maps.CameraUpdateFactory;
import com.google.android.gms.maps.GoogleMap;
import com.google.android.gms.maps.OnMapReadyCallback;
import com.google.android.gms.maps.SupportMapFragment;
import com.google.android.gms.maps.model.LatLng;
import com.google.android.gms.maps.model.MarkerOptions;

public class MapsActivity extends FragmentActivity implements OnMapReadyCallback {

    private GoogleMap mMap;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_maps);
        // Obtain the SupportMapFragment and get notified when the map is ready to be used.
        SupportMapFragment mapFragment = (SupportMapFragment) getSupportFragmentManager()
                .findFragmentById(R.id.map);
        mapFragment.getMapAsync(this);

    }


    public void findPosition(){
        try{
            Call<BusResponse> call= RetrofitClient.getInstance().getApi().getBus();

            call.enqueue(new Callback<BusResponse>() {
                @Override
                public void onResponse(Call<BusResponse> call, Response<BusResponse> response) {

                    BusResponse busResponse = response.body();

                    LatLng pos =new LatLng(busResponse.getBus().getLat(),busResponse.getBus().getLong());
                    String place=busResponse.getBus().getDescription();


                    mMap.addMarker(new MarkerOptions()
                            .position(pos)
                            .title(place)
                    );
                    mMap.moveCamera(CameraUpdateFactory.newLatLng(pos));
                    mMap.animateCamera(CameraUpdateFactory.zoomIn());
                    mMap.animateCamera(CameraUpdateFactory.zoomTo(10),2500,null);

                }

                @Override
                public void onFailure(Call<BusResponse> call, Throwable t) {

                }
            });}
        catch (Exception e){
            Log.d("Mp",e.getLocalizedMessage())
            ;       }

    }


    @Override
    public void onMapReady(GoogleMap googleMap) {
        mMap = googleMap;


    }
}

package net.simplifiedcoding.my;

import retrofit2.Retrofit;
import retrofit2.converter.gson.GsonConverterFactory;

public class RetrofitClient {

    private static final String BASE_URL = "http://192.168.43.157/";
    private static RetrofitClient mInstance;
    private Retrofit retrofit;

    private RetrofitClient() {
        retrofit = new Retrofit.Builder()
                .baseUrl(BASE_URL)
                .addConverterFactory(GsonConverterFactory.create())
                .build();
    }

    public static synchronized RetrofitClient getInstance() {
        if (mInstance == null) {
            mInstance = new RetrofitClient();
        }
        return mInstance;
    }

    public Api getApi(){
        return retrofit.create(Api.class);
    }
}

package net.simplifiedcoding.my;

import retrofit2.Call;
import retrofit2.http.Field;
import retrofit2.http.FormUrlEncoded;
import retrofit2.http.POST;

public interface Api {

    @POST("/car.php")
    Call<BusResponse> getBus();
}

package net.simplifiedcoding.my;

import com.google.gson.annotations.Expose;
import com.google.gson.annotations.SerializedName;

public class Bus {

    @SerializedName("name")
    @Expose
    private String name;
    @SerializedName("description")
    @Expose
    private String description;
    @SerializedName("long")
    @Expose
    private Double _long;
    @SerializedName("lat")
    @Expose
    private Double lat;
    @SerializedName("id")
    @Expose
    private String id;

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public String getDescription() {
        return description;
    }

    public void setDescription(String description) {
        this.description = description;
    }

    public Double getLong() {
        return _long;
    }

    public void setLong(Double _long) {
        this._long = _long;
    }

    public Double getLat() {
        return lat;
    }

    public void setLat(Double lat) {
        this.lat = lat;
    }

    public String getId() {
        return id;
    }

    public void setId(String id) {
        this.id = id;
    }

}

package net.simplifiedcoding.my;

import com.google.gson.annotations.Expose;
import com.google.gson.annotations.SerializedName;

public class BusResponse {

    @SerializedName("bus")
    @Expose
    private Bus bus;

    public Bus getBus() {
        return bus;
    }

    public void setBus(Bus bus) {
        this.bus = bus;
    }

}

<?php
require_once ('DbConnect.php');

error_reporting(0);

if ($_SERVER['REQUEST_METHOD'] == 'POST') {


//if (isset($_GET['email']) && isset($_GET['password'])){
// username and password sent from link





$result = mysql_query("SELECT * FROM car   ");

while ($row = mysql_fetch_array($result)) 
{
// temp user array
$output[]=$row;
print(json_encode($output));

}



mysqli_close($con);

}
?>

-
Edité par massoud jarray 15 janvier 2020 à 13:50:10