when open the application i want to get notification if new data added to firebase realtime database . but whan i open the app i got notifcation every time i open the it. what should i do this is my code.
cam_firebase.child("Detection").addChildEventListener(new ChildEventListener() {
@Override
public void onChildAdded(@NotNull DataSnapshot dataSnapshot, String s) {
double longt = dataSnapshot.child("longt").getValue(Double.class);
double lat = dataSnapshot.child("lat").getValue(Double.class);
notify_me();
}
@Override
public void onChildChanged(DataSnapshot dataSnapshot, String s) {
}
@Override
public void onChildRemoved(DataSnapshot dataSnapshot) {
}
@Override
public void onChildMoved(DataSnapshot dataSnapshot, String s) {
}
@Override
public void onCancelled(@NonNull @NotNull DatabaseError error) {
}
});