ets/MapsActivity.java at master · zyfers/ets · GitHub

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package com.example.lenovo.employeetrackingsystem;

import android.location.Location;
import android.os.Bundle;
import android.support.v4.app.FragmentActivity;

import com.google.android.gms.location.LocationListener;
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.BitmapDescriptorFactory;
import com.google.android.gms.maps.model.LatLng;
import com.google.android.gms.maps.model.Marker;
import com.google.android.gms.maps.model.MarkerOptions;
import com.google.firebase.database.ChildEventListener;
import com.google.firebase.database.DataSnapshot;
import com.google.firebase.database.DatabaseError;
import com.google.firebase.database.DatabaseReference;
import com.google.firebase.database.FirebaseDatabase;
import com.google.firebase.database.ValueEventListener;

public class MapsActivity extends FragmentActivity implements OnMapReadyCallback,LocationListener,GoogleMap.OnMarkerClickListener {

    private GoogleMap mMap;
    private ChildEventListener mChildEventListener;
    private DatabaseReference mUsers;
    Marker marker;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_maps2);
        // 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);
        ChildEventListener mChildEventListener;
        mUsers = FirebaseDatabase.getInstance().getReference("loc");
        mUsers.push().setValue(marker);
    }

    @Override
    public void onMapReady(GoogleMap googleMap) {
        mMap = googleMap;
        googleMap.setOnMarkerClickListener(this);
        googleMap.setMapType(GoogleMap.MAP_TYPE_TERRAIN);
        mUsers.addListenerForSingleValueEvent(new ValueEventListener() {
            @Override
            public void onDataChange(DataSnapshot dataSnapshot) {
                for(DataSnapshot s : dataSnapshot.getChildren()){
                    Loc user = s.getValue(Loc.class);
                    LatLng location = new LatLng(user.getLat(),user.getLng());
                   mMap.addMarker(new MarkerOptions().position(location).title("Employee")).setIcon(BitmapDescriptorFactory.defaultMarker(BitmapDescriptorFactory.HUE_CYAN));
                }
            }

            @Override
            public void onCancelled(DatabaseError databaseError) {

            }
        });
    }

    @Override
    public void onLocationChanged(Location location) {

    }

    @Override
    public boolean onMarkerClick(Marker marker) {
        return false;
    }
}