firestore geopoint calculate distance code example
Example 1: firestore geopoint query example in android
QueryLocation queryLocation = QueryLocation.fromDegrees(latitude, longitude);
Distance searchDistance = new Distance(1.0, DistanceUnit.KILOMETERS);
geoFire.query()
.whereEqualTo("title", "The Title")
.whereNearTo(queryLocation, distance)
.orderBy("timestamp", Query.Direction.DESCENDING)
.limit(10)
.build()
.get()
.addOnCompleteListener(task -> {
if (task.isSuccessful()) {
Log.i("DB", "Got Documents.");
} else {
Log.w("DB", "Error getting documents.", task.getException());
}
});
Example 2: how to calculate distance between two addresses in firestore in android studio
QueryLocation queryLocation = QueryLocation.fromDegrees(latitude, longitude);
Distance searchDistance = new Distance(1.0, DistanceUnit.KILOMETERS);
geoFire.query()
.whereEqualTo("title", "The Title")
.whereNearTo(queryLocation, distance)
.orderBy("timestamp", Query.Direction.DESCENDING)
.limit(10)
.build()
.get()
.addOnCompleteListener(task -> {
if (task.isSuccessful()) {
Log.i("DB", "Got Documents.");
} else {
Log.w("DB", "Error getting documents.", task.getException());
}
});