'How to get data outside addonsuccesslistner in it in android Studio. My app is getting money if i put it in but while i put outside it shows empty [duplicate]

 .addOnSuccessListener(new OnSuccessListener<DocumentSnapshot>() {
                    @Override
                    public void onSuccess(DocumentSnapshot documentSnapshot) {
                       MyVariable = documentSnapshot.get("money").toString();
                        textView1.setText(MyVariable);
                    }
                });

I want to take the Myvariable data outside of onSuccess, Please help please, I didn't find the Statisfied and Working idea in entrie Stackoverflow

javaandroidfirebasevariablesgoogle-cloud-firestore


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