Posts by Alberto • 21 points

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  A: Android app opens and soon stops working

  I believe that in this line Cliente cliente =new Cliente(URLCMD+"STATUS"); valSensores=cliente.getValSensores(); <----- decodificaLeitura(valSensores); statusConexao="CONECTADO"; the program…

  java android

  answered 5 years, 7 months ago Alberto 21

• 2

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

  I have a database with this structure: what happens is that when creating a new user, I need to check if there is no longer a registered equal nickname, but I am not able to do this. Here’s the code…

  java android database firebase realtime-database

  asked 5 years, 7 months ago Alberto 21