Send Email in Android
Intent intentEmail = new Intent(Intent.ACTION_SENDTO);
intentEmail.setType("message/rfc822");
intentEmail.setData(Uri.parse("mailto:"));
intentEmail.putExtra(Intent.EXTRA_EMAIL, new String[]{"username@email.com"});
intentEmail.putExtra(Intent.EXTRA_SUBJECT, "Subject");
intentEmail.putExtra(Intent.EXTRA_TEXT, "Hi");
startActivity(Intent.createChooser(intentEmail, "Send Email..."));