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Nov 14th, 2017
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  1. final FirebaseDatabase db = FirebaseDatabase.getInstance();
  2.  
  3. db.getReference("cidade").addValueEventListener(new ValueEventListener() {
  4. @Override
  5. public void onDataChange(DataSnapshot dataSnapshot) {
  6. cidade.clear();
  7. for(DataSnapshot data: dataSnapshot.getChildren()){
  8. cidade.add(String.valueOf(data.getValue()));
  9. }
  10. adapter.notifyDataSetChanged();
  11. }
  12.  
  13. @Override
  14. public void onCancelled(DatabaseError databaseError) {
  15. }
  16. });
  17.  
  18. spAdapter = new ArrayAdapter<>(CadastrarOnibus.this, android.R.layout.simple_list_item_1, cidade);
  19. spCidade.setAdapter(spAdapter);
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