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Feb 8th, 2018
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  1. DatabaseReference crearUsuario = databaseRef.child(Usuarios).push();
  2. crearUsuario.child("nombre").setValue("Tony");
  3. crearUsuario.child("email").setValue("tony@mail.com");
  4. crearUsuario.child("tel").setValue("123456789");
  5.  
  6. databaseRef.child(Usuarios).orderBychild("email").equalTo("tony@mail.com").addValueEventListener...
  7.  
  8. -L3rXsR4HtgtfY1a3H9M
  9. nombre: "Tony"
  10. email: "tony@mail.com"
  11. tel: "123456789
  12.  
  13. databaseRef.child(Usuarios).child(usuarioKey).child("nombre").addValueEventListener...
  14.  
  15. databaseRef.child(Usuarios).orderBychild("email").equalTo("tony@mail.com").addValueEventListener(new ValueEventListener() {
  16. @Override
  17. public void onDataChange(DataSnapshot dataSnapshot) {
  18. String nombre = dataSnapshot.child("nombre").getValue(String.class);
  19. }
  20.  
  21. @Override
  22. public void onCancelled(DatabaseError databaseError) {
  23.  
  24. }
  25. });
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