Posts by HUMBERTO RODRIGUES • 1 point

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  A: Check if a value exists in the Firebase Realtime Database

  @Override public void onDataChange(@NonNull DataSnapshot dataSnapshot) { If(dataSnapshot.exists()){ //se cair aqui, significa que encontrou um nick igual …

  java android database firebase realtime-database

  answered 4 years, 8 months ago HUMBERTO RODRIGUES 1