因此，我正在遵循有关地理围栏的教程，但是后来GeoFencingApi和FusedLocation更改为FusedLocationProviderClient和GeofencingClient，这让我感到困惑，并寻找了一些答案。 现在的问题是，即使我按照教程进行操作，也无法显示边界圆。
这是我现在正在处理的代码：
地图活动
public class MapActivity extends AppCompatActivity implements OnMapReadyCallback, LocationListener,
GoogleMap.OnMarkerClickListener,
GoogleApiClient.ConnectionCallbacks,
GoogleApiClient.OnConnectionFailedListener,
GoogleMap.OnMapClickListener,
ResultCallback<Status>
{
//Map Access
private GoogleMap mMap;
private ChildEventListener mChildEventListener;
private DatabaseReference mChild;
Marker marker;
private static final String TAG = "UserProfile";
private final Handler handler = new Handler();
private static final float DEFAULT_ZOOM = 15f;
SmsReceiver smsReceiver = new SmsReceiver();
private HashMap<String, Double> coordinates = new HashMap<String, Double>();
private GoogleApiClient googleApiClient;
private GeofencingClient geofencingClient;
LocationRequest request;
LatLng latLngStart;
private static final String NOTIFICATION_MSG = "NOTIFICATION MSG";
// Create a Intent send by the notification
public static Intent makeNotificationIntent(Context context, String msg) {
Intent intent = new Intent( context, MapActivity.class );
intent.putExtra( NOTIFICATION_MSG, msg );
return intent;
}
private FusedLocationProviderClient fusedLocationClient;
//SMS
private static final int SMS_PERMISSION_CODE = 0;
// RecyclerAdapter recyclerAdapter;
// ArrayList<ChildArray> carray = new ArrayList<>();
// SQLiteDatabase sqLiteDatabase;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_map);
geofencingClient = LocationServices.getGeofencingClient(this);
fusedLocationClient = LocationServices.getFusedLocationProviderClient(this);
createGoogleApi();
if (!hasReadSmsPermission()) {
showRequestPermissionsInfoAlertDialog();
}
SupportMapFragment mapFragment = (SupportMapFragment) getSupportFragmentManager().findFragmentById(R.id.mapdisplay);
mapFragment.getMapAsync(this);
ChildEventListener mChildEventListener;
mChild = FirebaseDatabase.getInstance().getReference("conilocationdata/conilocationdata/conilocationdata");
mChild.push().setValue(marker);
DBHelper mydb = new DBHelper(this);
sqLiteDatabase = mydb.getReadableDatabase();
// refreshDataList();
}
// Create GoogleApiClient instance
private void createGoogleApi() {
Log.d(TAG, "createGoogleApi()");
if ( googleApiClient == null ) {
googleApiClient = new GoogleApiClient.Builder( this )
.addConnectionCallbacks( this )
.addOnConnectionFailedListener( this )
.addApi( LocationServices.API )
.build();
}
}
@Override
protected void onStart() {
super.onStart();
// Call GoogleApiClient connection when starting the Activity
googleApiClient.connect();
}
@Override
protected void onStop() {
super.onStop();
// Disconnect GoogleApiClient when stopping Activity
googleApiClient.disconnect();
}
@Override
public void onConnected(@Nullable Bundle bundle) {
Log.d(TAG, "Google Api Client Connected");
request = new LocationRequest().create();
request.setPriority(LocationRequest.PRIORITY_HIGH_ACCURACY);
request.setInterval(1000);
// LocationServices.FusedLocationApi.requestLocationUpdates(googleApiClient, request, this);
fusedLocationClient.getLastLocation()
.addOnSuccessListener(this, new OnSuccessListener<Location>() {
@Override
public void onSuccess(Location location) {
if (location != null)
{
// Logic to handle location object
}
}
});
}
@Override
public void onConnectionSuspended(int i)
{
Log.d(TAG, "Google Connection Suspended");
}
@Override
public void onConnectionFailed(@NonNull ConnectionResult connectionResult) {
Log.e(TAG, "Connection Failed:" + connectionResult.getErrorMessage());
}
@Override
public void onLocationChanged(Location location) {
}
public boolean onOptionsItemSelected(MenuItem item) {
int id = item.getItemId();
switch (id) {
case R.id.add_boundary:
startGeofence();
break;
case R.id.menu_acctset:
//Insert Intent
break;
case R.id.menu_logout:
Intent toMain = new Intent(MapActivity.this, MainActivity.class);
startActivity(toMain);
Toast.makeText(MapActivity.this, "Disconnected.", Toast.LENGTH_SHORT).show();
break;
}
return true;
}
@Override
public void onResult(@NonNull Status status) {
// drawGeoFence();
}
Circle geoFenceLimits;
private void drawGeoFence() {
if ( geoFenceLimits != null )
{
geoFenceLimits.remove();
}
CircleOptions circleOptions = new CircleOptions()
.center(geoFenceMarker.getPosition())
.strokeColor(Color.argb(50, 70, 70, 70))
.fillColor(Color.argb(100, 150, 150, 150))
.radius(GEOFENCE_RADIUS);
geoFenceLimits = mMap.addCircle(circleOptions);
}
// Add the created GeofenceRequest to the device's monitoring list
private void addGeofence(final GeofencingRequest request) {
geofencingClient.addGeofences(request, createGeofencePendingIntent())
.addOnSuccessListener(new OnSuccessListener<Void>() {
@Override
public void onSuccess(Void aVoid) {
// your success code
drawGeoFence();
createGeofencePendingIntent();
}
})
.addOnFailureListener(new OnFailureListener() {
@Override
public void onFailure(@NonNull Exception e) {
// your fail code;
}
});}
private PendingIntent geoFencePendingIntent;
private final int GEOFENCE_REQ_CODE = 0;
private PendingIntent createGeofencePendingIntent() {
if ( geoFencePendingIntent != null )
return geoFencePendingIntent;
Intent intent = new Intent( this, GeofenceTransitionService.class);
return PendingIntent.getService(
this, GEOFENCE_REQ_CODE, intent, PendingIntent.FLAG_UPDATE_CURRENT );
}
// Start Geofence creation process
private void startGeofence() {
if( geoFenceMarker != null ) {
Geofence geofence = createGeofence( geoFenceMarker.getPosition(), GEOFENCE_RADIUS );
GeofencingRequest geofenceRequest = createGeofenceRequest( geofence );
addGeofence( geofenceRequest );
} else {
Log.e(TAG, "Geofence marker is null");
}
}
private static final long GEO_DURATION = 60 * 60 * 1000;
private static final String GEOFENCE_REQ_ID = "My Geofence";
private static final float GEOFENCE_RADIUS = 500f; // in meters
// Create a Geofence
private Geofence createGeofence(LatLng latLng, float radius ) {
return new Geofence.Builder()
.setRequestId(GEOFENCE_REQ_ID)
.setCircularRegion( latLng.latitude, latLng.longitude, radius)
.setExpirationDuration( GEO_DURATION )
.setTransitionTypes( Geofence.GEOFENCE_TRANSITION_ENTER
| Geofence.GEOFENCE_TRANSITION_EXIT )
.build();
}
// Create a Geofence Request
private GeofencingRequest createGeofenceRequest( Geofence geofence) {
return new GeofencingRequest.Builder()
.setInitialTrigger( GeofencingRequest.INITIAL_TRIGGER_ENTER )
.addGeofence(geofence)
.build();
}
@Override
public boolean onMarkerClick(Marker marker) {
return false;
}
@Override
public void onMapReady(GoogleMap googleMap) {
mMap = googleMap;
mMap.setMinZoomPreference(15.0f);
mMap.setMaxZoomPreference(20.0f);
mMap.setOnMapClickListener(this);
mMap.setOnMarkerClickListener(this);
final LatLng putatan = new LatLng(14.397420, 121.033051);
final DatabaseReference mRef = FirebaseDatabase.getInstance().getReference("conilocationdata");
ValueEventListener postListener = new ValueEventListener() {
@Override
public void onDataChange(DataSnapshot dataSnapshot) {
// Get Post object and use the values to update the UI
for(DataSnapshot ds : dataSnapshot.getChildren()) {
Bundle bundle = getIntent().getExtras();
if(bundle != null) {
double lat1 = bundle.getDouble("lat");
double lon2 = bundle.getDouble("lon");
LatLng location = new LatLng(lat1,lon2);
marker = mMap.addMarker(new MarkerOptions()
.position(location)
.title("Here")
.flat(true));
mMap.moveCamera(CameraUpdateFactory.newLatLng(location));
} else {
System.out.println("Bundle null");
}
}
}
@Override
public void onCancelled(DatabaseError databaseError) {
// Getting Post failed, log a message
Log.w(TAG, "loadPost:onCancelled", databaseError.toException());
}
};
mRef.orderByKey().limitToLast(1).addValueEventListener(postListener);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.menu, menu);
return true;
}
@Override
public void onMapClick(LatLng latLng)
{
markerForGeofence(latLng);
}
Marker geoFenceMarker;
private void markerForGeofence(LatLng latLng) {
MarkerOptions optionMarker = new MarkerOptions()
.position(latLng)
.title("Geofence Marker");
if (mMap!=null)
{
if (geoFenceMarker!=null)
{
geoFenceMarker.remove();
}
geoFenceMarker = mMap.addMarker(optionMarker);
}
}
private void removeGeofenceDraw() {
Log.d(TAG, "removeGeofenceDraw()");
if ( geoFenceMarker != null)
geoFenceMarker.remove();
if ( geoFenceLimits != null )
geoFenceLimits.remove();
}
// SMS PERMISSIONS
private void showRequestPermissionsInfoAlertDialog() {
AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setTitle(R.string.permission_alert_dialog_title);
builder.setMessage(R.string.permission_dialog_message);
builder.setPositiveButton(R.string.action_ok, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
dialog.dismiss();
requestReadAndSendSmsPermission();
}
});
builder.show();
}
private boolean hasReadSmsPermission() {
return ContextCompat.checkSelfPermission(MapActivity.this,
Manifest.permission.READ_SMS) == PackageManager.PERMISSION_GRANTED &&
ContextCompat.checkSelfPermission(MapActivity.this,
Manifest.permission.RECEIVE_SMS) == PackageManager.PERMISSION_GRANTED;
}
private void requestReadAndSendSmsPermission() {
if (ActivityCompat.shouldShowRequestPermissionRationale(MapActivity.this, Manifest.permission.READ_SMS)) {
Log.d(TAG, "shouldShowRequestPermissionRationale(), no permission requested");
return;
}
ActivityCompat.requestPermissions(MapActivity.this, new String[]{Manifest.permission.READ_SMS, Manifest.permission.RECEIVE_SMS},
SMS_PERMISSION_CODE);
}
}
GeoFenceTransitionService活动
import static android.support.constraint.Constraints.TAG;
import static com.google.android.gms.common.GooglePlayServicesUtilLight.getErrorString;
class GeofenceTransitionService extends IntentService {
public static final int GEOFENCE_NOTIFICATION_ID = 0;
public GeofenceTransitionService(String name) {
super(name);
}
@Override
protected void onHandleIntent(@Nullable Intent intent) {
GeofencingEvent geofencingEvent = GeofencingEvent.fromIntent(intent);
// Handling errors
if ( geofencingEvent.hasError() ) {
String errorMsg = String.valueOf(geofencingEvent.getErrorCode() );
Toast.makeText(getApplicationContext(), "Error Code" +errorMsg,Toast.LENGTH_SHORT).show();
return;
}
int geoFenceTransition = geofencingEvent.getGeofenceTransition();
// Check if the transition type is of interest
if ( geoFenceTransition == Geofence.GEOFENCE_TRANSITION_ENTER ||
geoFenceTransition == Geofence.GEOFENCE_TRANSITION_EXIT ) {
// Get the geofence that were triggered
List<Geofence> triggeringGeofences = geofencingEvent.getTriggeringGeofences();
String geofenceTransitionDetails = getGeofenceTrasitionDetails(geoFenceTransition, triggeringGeofences );
// Send notification details as a String
sendNotification( geofenceTransitionDetails );
}
}
private String getGeofenceTrasitionDetails(int geoFenceTransition, List<Geofence> triggeringGeofences) {
// get the ID of each geofence triggered
ArrayList<String> triggeringGeofencesList = new ArrayList<>();
for ( Geofence geofence : triggeringGeofences ) {
triggeringGeofencesList.add( geofence.getRequestId() );
}
String status = null;
if ( geoFenceTransition == Geofence.GEOFENCE_TRANSITION_ENTER )
status = "Entering ";
else if ( geoFenceTransition == Geofence.GEOFENCE_TRANSITION_EXIT )
status = "Exiting ";
return status + TextUtils.join( ", ", triggeringGeofencesList);
}
private void sendNotification( String msg ) {
Log.i(TAG, "sendNotification: " + msg );
// Intent to start the main Activity
Intent notificationIntent = MapActivity.makeNotificationIntent(
getApplicationContext(), msg
);
TaskStackBuilder stackBuilder = TaskStackBuilder.create(this);
stackBuilder.addParentStack(MainActivity.class);
stackBuilder.addNextIntent(notificationIntent);
PendingIntent notificationPendingIntent = stackBuilder.getPendingIntent(0, PendingIntent.FLAG_UPDATE_CURRENT);
// Creating and sending Notification
NotificationManager notificatioMng =
(NotificationManager) getSystemService( Context.NOTIFICATION_SERVICE );
notificatioMng.notify(
GEOFENCE_NOTIFICATION_ID,
createNotification(msg, notificationPendingIntent));
}
// Create notification
private Notification createNotification(String msg, PendingIntent notificationPendingIntent) {
NotificationCompat.Builder notificationBuilder = new NotificationCompat.Builder(this);
notificationBuilder
.setSmallIcon(R.drawable.ic_location_on_black_24dp)
.setColor(Color.RED)
.setContentTitle(msg)
.setContentText("Geofence Notification!")
.setContentIntent(notificationPendingIntent)
.setDefaults(Notification.DEFAULT_LIGHTS | Notification.DEFAULT_VIBRATE | Notification.DEFAULT_SOUND)
.setAutoCancel(true);
return notificationBuilder.build();
}
private static String getErrorString(int errorCode) {
switch (errorCode) {
case GeofenceStatusCodes.GEOFENCE_NOT_AVAILABLE:
return "GeoFence not available";
case GeofenceStatusCodes.GEOFENCE_TOO_MANY_GEOFENCES:
return "Too many GeoFences";
case GeofenceStatusCodes.GEOFENCE_TOO_MANY_PENDING_INTENTS:
return "Too many pending intents";
default:
return "Unknown error.";
}
}
}
这是我关注的教程的链接：[地理学教程] https://www.youtube.com/watch?v=iIsQeCPGU2U