fixed: Query de consulta à tabela usuário
Fixed: Login e acesso a banco
Fixed: Login toalmente funcional Add: Mensagens de alerta
loggin working just fine. Never compare two strings with == , use equals().
delete toDo.java. Add data_finalizacao on Tarefa table and in Tarefa class attributes.
add back button at list activity.
add SessionManager to control the session with shared preferences.