String[] TO = {"brunoeleodoro96@gmail.com"};
                    Intent emailIntent = new Intent(Intent.ACTION_SEND);
                    emailIntent.setData(Uri.parse("mailto:"));
                    emailIntent.setType("text/plain");
                    emailIntent.putExtra(Intent.EXTRA_EMAIL, TO);
                    emailIntent.putExtra(Intent.EXTRA_SUBJECT, "Fatec - Americana Mensagem");
                    emailIntent.putExtra(Intent.EXTRA_TEXT, "Mensagem: " +
                            "\r\n");

                    try {
                        startActivity(Intent.createChooser(emailIntent, "Send mail..."));

                        //Log.i("Finished sending email...", "");
                    } catch (android.content.ActivityNotFoundException ex) {
                        //Toast.makeText(MainActivity.this,
                        //"There is no email client installed.", Toast.LENGTH_SHORT).show();
                    }
                    dialogInterface.dismiss();
                }
            });
            dialog.show();