谷歌地圖更新地址

Question

這是我的代碼。它不僅帶來了一個地圖，而更新後的位置大部分的時間，但令人驚訝的一些罕見的時候，它確實帶來了更新的位置地圖

public class CarteClient extends FragmentActivity implements OnMapReadyCallback, GoogleApiClient.ConnectionCallbacks, GoogleApiClient.OnConnectionFailedListener, com.google.android.gms.location.LocationListener { 

    private GoogleMap mMap; 
    GoogleApiClient Gac; 
    Location Local; 
    LocationRequest demLocal; 

    private Button déco, demT; 
    private LatLng positionClient; 


    //Gac=Google Api Client 
    //demLocal=demande de localisation 
    //déco=déconnexion 
    //demT=demande Toleka 

    @Override 
    protected void onCreate(Bundle savedInstanceState) { 
     super.onCreate(savedInstanceState); 
     setContentView(R.layout.activity_carte_client); 
     // 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); 

     déco=(Button)findViewById(R.id.déconnexion); 
     demT=(Button)findViewById(R.id.demtoleka); 
     déco.setOnClickListener(new View.OnClickListener() { 
      @Override 
      public void onClick(View v) { 
       FirebaseAuth.getInstance().signOut(); 
       Intent i= new Intent(CarteClient.this,SecondActivity.class); 
       startActivity(i); 
       finish(); 
       return; 
      } 
     }); 
     demT.setOnClickListener(new View.OnClickListener() { 
      @Override 
      public void onClick(View v) { 

       String IdUtil= FirebaseAuth.getInstance().getCurrentUser().getUid(); 
       DatabaseReference réfbd= FirebaseDatabase.getInstance().getReference("DemandeClient"); 

       GeoFire geoFire= new GeoFire(réfbd); 
       geoFire.setLocation(IdUtil, new GeoLocation(Local.getLatitude(), Local.getLongitude())); 

       positionClient=new LatLng(Local.getLatitude(), Local.getLongitude()); 
       mMap.addMarker(new MarkerOptions().position(positionClient).title("Client par Ici")); 

       demT.setText("Contact avec le chauffeur en cours..."); 

       //réfbd=référence base de données 
       //IdUtil= Identité Utilisateur 


      } 
     }); 
    } 


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

     // Add a marker in Sydney and move the camera 
     buildGoogleApiClient(); 
     if (ActivityCompat.checkSelfPermission(this, android.Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(this, android.Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) { 
      // TODO: Consider calling 
      // ActivityCompat#requestPermissions 
      // here to request the missing permissions, and then overriding 
      // public void onRequestPermissionsResult(int requestCode, String[] permissions, 
      //           int[] grantResults) 
      // to handle the case where the user grants the permission. See the documentation 
      // for ActivityCompat#requestPermissions for more details. 
      return; 
     } 
     mMap.setMyLocationEnabled(true); 
    } 

    protected synchronized void buildGoogleApiClient() { 
     Gac=new GoogleApiClient.Builder(this) 
       .addConnectionCallbacks(this) 
       .addOnConnectionFailedListener(this) 
       .addApi(LocationServices.API) 
       .build(); 
     Gac.connect(); 
    } 

    @Override 
    public void onLocationChanged(Location location) { 
     Local=location; 

     LatLng latlon= new LatLng(location.getLatitude(), location.getLongitude()); 

     mMap.moveCamera(CameraUpdateFactory.newLatLng(latlon)); 
     mMap.animateCamera(CameraUpdateFactory.zoomTo(11)); 


    } 


    @Override 
    public void onConnected(@Nullable Bundle bundle) { 
     demLocal = new LocationRequest(); 
     demLocal.setInterval(1000); 
     demLocal.setFastestInterval(1000); 
     demLocal.setPriority(LocationRequest.PRIORITY_BALANCED_POWER_ACCURACY); 

     if (ActivityCompat.checkSelfPermission(this, android.Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(this, android.Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) { 
      // TODO: Consider calling 
      // ActivityCompat#requestPermissions 
      // here to request the missing permissions, and then overriding 
      // public void onRequestPermissionsResult(int requestCode, String[] permissions, 
      //           int[] grantResults) 
      // to handle the case where the user grants the permission. See the documentation 
      // for ActivityCompat#requestPermissions for more details. 
      return; 
     } 
     LocationServices.FusedLocationApi.requestLocationUpdates(Gac, demLocal, this); 

    } 

    @Override 
    public void onConnectionSuspended(int i) { 

    } 

    @Override 
    public void onConnectionFailed(@NonNull ConnectionResult connectionResult) { 

    } 

    @Override 
    protected void onStop(){ 
     super.onStop(); 

    } 

} 

Answer 1

public class MainActivity1 extends Activity 
implements ConnectionCallbacks,OnConnectionFailedListener { 

private static final String TAG = MainActivity.class.getSimpleName(); 

private final static int PLAY_SERVICES_RESOLUTION_REQUEST = 1000; 

private Location mLastLocation; 

// Google client to interact with Google API 
private GoogleApiClient mGoogleApiClient; 

// boolean flag to toggle periodic location updates 
private boolean mRequestingLocationUpdates = false; 

private LocationRequest mLocationRequest; 

// Location updates intervals in sec 
private static int UPDATE_INTERVAL = 10000; // 10 sec 
private static int FATEST_INTERVAL = 5000; // 5 sec 
private static int DISPLACEMENT = 10; // 10 meters 

// UI elements 
private TextView lblLocation; 
private Button btnShowLocation, btnStartLocationUpdates; 

@Override 
protected void onCreate(Bundle savedInstanceState) { 
    super.onCreate(savedInstanceState); 
    setContentView(R.layout.activity_main); 

    lblLocation = (TextView) findViewById(R.id.lblLocation); 
    btnShowLocation = (Button) findViewById(R.id.btnShowLocation); 
    btnStartLocationUpdates = (Button) findViewById(R.id.btnLocationUpdates); 

    // First we need to check availability of play services 
    if (checkPlayServices()) { 

     // Building the GoogleApi client 
     buildGoogleApiClient(); 
    } 

    // Show location button click listener 
    btnShowLocation.setOnClickListener(new View.OnClickListener() { 

     @Override 
     public void onClick(View v) { 
      displayLocation(); 
     } 
    }); 
} 

/** 
* Method to display the location on UI 
* */ 
private void displayLocation() { 

    mLastLocation = LocationServices.FusedLocationApi 
      .getLastLocation(mGoogleApiClient); 

    if (mLastLocation != null) { 
     double latitude = mLastLocation.getLatitude(); 
     double longitude = mLastLocation.getLongitude(); 

     lblLocation.setText(latitude + ", " + longitude); 

    } else { 

     lblLocation 
       .setText("(Couldn't get the location. Make sure location is enabled on the device)"); 
    } 
} 

/** 
* Creating google api client object 
* */ 
protected synchronized void buildGoogleApiClient() { 
    mGoogleApiClient = new GoogleApiClient.Builder(this) 
      .addConnectionCallbacks(this) 
      .addOnConnectionFailedListener(this) 
      .addApi(LocationServices.API).build(); 
} 

/** 
* Method to verify google play services on the device 
* */ 
private boolean checkPlayServices() { 
    int resultCode = GooglePlayServicesUtil 
      .isGooglePlayServicesAvailable(this); 
    if (resultCode != ConnectionResult.SUCCESS) { 
     if (GooglePlayServicesUtil.isUserRecoverableError(resultCode)) { 
      GooglePlayServicesUtil.getErrorDialog(resultCode, this, 
        PLAY_SERVICES_RESOLUTION_REQUEST).show(); 
     } else { 
      Toast.makeText(getApplicationContext(), 
        "This device is not supported.", Toast.LENGTH_LONG) 
        .show(); 
      finish(); 
     } 
     return false; 
    } 
    return true; 
} 

@Override 
protected void onStart() { 
    super.onStart(); 
    if (mGoogleApiClient != null) { 
     mGoogleApiClient.connect(); 
    } 
} 

@Override 
protected void onResume() { 
    super.onResume(); 

    checkPlayServices(); 
} 

/** 
* Google api callback methods 
*/ 
@Override 
public void onConnectionFailed(ConnectionResult result) { 
    Log.i(TAG, "Connection failed: ConnectionResult.getErrorCode() = " 
      + result.getErrorCode()); 
} 

@Override 
public void onConnected(Bundle arg0) { 

    // Once connected with google api, get the location 
    displayLocation(); 
} 

@Override 
public void onConnectionSuspended(int arg0) { 
    mGoogleApiClient.connect(); 
} 

}

爲REFFERENCE請點擊這裏click

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