几天前，在我们的应用程序中，Android生命体面临很多问题，因此我们关闭了所有地理围栏热点，生命体还可以，但是现在我们仅打开了一个半径为15 km的热点，并为ENTER，EXIT启用了回调＆DWELL，但我们又面临着只有1个热点的重大问题。.不知道这里发生了什么，如果有人有任何想法请帮助..以下是代码-
public class GeoFenceManager implements OnCompleteListener<Void> {
/**
* Provides access to the Geofencing API.
*/
private GeofencingClient mGeofencingClient;
/**
* The list of geofences used in this sample.
*/
private ArrayList<Geofence> mGeofenceList;
/**
* Used when requesting to add or remove geofences.
*/
private PendingIntent mGeofencePendingIntent;
private WeakReference<Context> context;
private static GeoFenceManager geoFenceManager;
public static synchronized GeoFenceManager getInstance(Context context) {
if (geoFenceManager == null) {
geoFenceManager = new GeoFenceManager();
}
GeoFenceManager.geoFenceManager.context = new WeakReference<>(context);
return geoFenceManager;
}
private GeoFenceManager() {
}
public void init(Context context) {
mGeofencePendingIntent = null;
// Empty list for storing geofences.
if (mGeofenceList == null) {
mGeofenceList = new ArrayList<>();
} else {
mGeofenceList.clear();
}
mGeofencingClient = LocationServices.getGeofencingClient(context);
populateGeofenceList();
addGeofences();
}
@Override
public void onComplete(@NonNull Task<Void> task) {
if (task.isSuccessful()) {
Logger.DEBUG("Geofence added");
} else {
// Get the status code for the error and log it using a user-friendly message.
String errorMessage = GeofenceErrorMessages.getErrorString(context.get(), task.getException());
Logger.DEBUG(errorMessage);
}
}
/**
* Adds geofences. This method should be called after the user has granted the location
* permission.
*/
@SuppressWarnings("MissingPermission")
private void addGeofences() {
if (!checkPermissions()) {
return;
}
if (mGeofencingClient != null) {
mGeofencingClient.removeGeofences(getGeofencePendingIntent()).addOnCompleteListener(this);
if (mGeofenceList != null && mGeofenceList.size() > 0) {
mGeofencingClient.addGeofences(getGeofencingRequest(), getGeofencePendingIntent())
.addOnCompleteListener(this);
}
}
}
/**
* Builds and returns a GeofencingRequest. Specifies the list of geofences to be monitored.
* Also specifies how the geofence notifications are initially triggered.
*/
private GeofencingRequest getGeofencingRequest() {
GeofencingRequest.Builder builder = new GeofencingRequest.Builder();
// The INITIAL_TRIGGER_ENTER flag indicates that geofencing service should trigger a
// GEOFENCE_TRANSITION_ENTER notification when the geofence is added and if the device
// is already inside that geofence.
builder.setInitialTrigger(GeofencingRequest.INITIAL_TRIGGER_ENTER | GeofencingRequest.INITIAL_TRIGGER_DWELL);
// Add the geofences to be monitored by geofencing service.
builder.addGeofences(mGeofenceList);
// Return a GeofencingRequest.
return builder.build();
}
/**
* Removes geofences. This method should be called after the user has granted the location
* permission.
*/
@SuppressWarnings("MissingPermission")
public void removeGeofences() {
if (!checkPermissions()) {
return;
}
if (mGeofenceList != null) {
mGeofenceList.clear();
}
if (mGeofencingClient != null) {
mGeofencingClient.removeGeofences(getGeofencePendingIntent()).addOnCompleteListener(this);
}
}
/**
* Return the current state of the permissions needed.
*/
private boolean checkPermissions() {
int permissionState = ActivityCompat.checkSelfPermission(context.get(),
Manifest.permission.ACCESS_FINE_LOCATION);
return permissionState == PackageManager.PERMISSION_GRANTED;
}
/**
* Gets a PendingIntent to send with the request to add or remove Geofences. Location Services
* issues the Intent inside this PendingIntent whenever a geofence transition occurs for the
* current list of geofences.
*
* @return A PendingIntent for the IntentService that handles geofence transitions.
*/
private PendingIntent getGeofencePendingIntent() {
// Reuse the PendingIntent if we already have it.
if (mGeofencePendingIntent != null) {
return mGeofencePendingIntent;
}
Intent intent = new Intent(context.get(), GeofenceTransitionsIntentService.class);
// We use FLAG_UPDATE_CURRENT so that we get the same pending intent back when calling
// addGeofences() and removeGeofences().
return PendingIntent.getService(context.get(), 0, intent, PendingIntent.FLAG_UPDATE_CURRENT);
}
/*
* This sample hard codes geofence data. A real app might dynamically create geofences based on
* the user's location.
*/
private void populateGeofenceList() {
mGeofenceList.clear();
HotSpotResponse hotSpotResponse = PreferenceKeeper.getHotspotData(context.get());
if (hotSpotResponse != null && hotSpotResponse.hotspots != null && hotSpotResponse.hotspots.size() > 0) {
for (HotSpots hotSpot : hotSpotResponse.hotspots) {
if (hotSpot.radius > 0) {
mGeofenceList.add(new Geofence.Builder()
// Set the request ID of the geofence. This is a string to identify this
// geofence.
.setNotificationResponsiveness(hotSpot.notificationResponsiveTime != null ? hotSpot.notificationResponsiveTime : 420000)
.setRequestId(hotSpot.isOuter ? AppConstant.MY_GEOFENCE_ID : hotSpot.id + "")
// Set the circular region of this geofence.
.setCircularRegion(
hotSpot.center.lat,
hotSpot.center.lng,
hotSpot.radius
)
// Set the expiration duration of the geofence. This geofence gets automatically
// removed after this period of time.
.setExpirationDuration(Geofence.NEVER_EXPIRE)
.setLoiteringDelay((int) hotSpot.dwellTime) //hard coded the dwell time as 10 minutes for now for each hotspot
// Set the transition types of interest. Alerts are only generated for these
// transition. We track entry and exit transitions in this sample.
.setTransitionTypes(hotSpot.transitionType != 0 ? hotSpot.transitionType : 7)
// Create the geofence.
.build());
}
}
}
}
}