intent

I have an application that today displays the contacts of the agenda that have whatsapp, and there it is possible to excrete ... the firing for multiple contacts, it would be on the whatsapp screen that opens just come already with the selected contacts.

I am developing an app for my website and I want that when a certain user clicks on the download link, which in this case is ... } return true; } } return super.onKeyDown(keyCode, event); } }

The following is that trigger an intent and the same call the Facebook app. I managed to send email Intent sendIntent = new ... nt.EXTRA_TEXT, "TEEEXTO"); startActivity(sendIntent); Could you adapt this code to call the face app? Right now, thank you.

I am making an app that formats bibliographic references according to ABNT, but there is an error to pass the data entered by ... ; /*Log.i("aula", ref);*/ tvFormatacaoLivro.setText(ref); } } Error Image: http://imgur.com/0oap5rJ