Image by Andrew Martin



How is it going to work ?




The Issue


Behavioral Economics. -From a non-Econ perspective-


FirebaseDatabase.getInstance().getReference().child("#your_node_path").runTransaction(new Transaction.Handler() {
@Override
public Transaction.Result doTransaction(MutableData mutableData) {
long max = mutableData.getChildrenCount();
for (MutableData data : mutableData.getChildren()) {
Node node = data.getValue(Node.class);
if (node!= null ) {
node.index = (int)(Math.random() * max +1);
data.setValue(node);
}
}
return Transaction.success(mutableData); …


Dhia Kennouche

Full Stack Developer| Loading…

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