我真的应该删除ValueEventListener吗?
DatabaseReference Ref = FirebaseDatabase.getInstance().getReference(Constants.Client + "/" + path);
Ref.keepSynced(true);
Ref.addValueEventListener(new ValueEventListener() {
@Override
public void onDataChange(DataSnapshot dataSnapshot) {
}
@Override
public void onCancelled(DatabaseError databaseError) {
}
});ValueEventListener
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