I get a little knowledge about this, can you convert your code like below my example code, may be its
public void onClick(View v) {
String message = "";
message += "\n" + etlugar.getText());
message += "\n" + etfecha.getText());
message += "\n" + etcable.getText()
etc....
Intent intentEmail = new Intent(Intent.ACTION_SEND, Uri.fromParts("mailto", "villasantdesign@gmail.com", null));
intentEmail.putExtra(android.content.Intent.EXTRA_EMAIL, new String[]{"villasantdesign@gmail.com"});
intentEmail.putExtra(Intent.EXTRA_SUBJECT, "Consulta Técnica");
intentEmail.putExtra(Intent.EXTRA_TEXT, message );
intentEmail.setType("message/rfc822");
startActivity(Intent.createChooser(intentEmail, "Enviar"));
}