メール送信Intentのサンプル

final Intent emailIntent = new Intent(android.content.Intent.ACTION_SEND);
emailIntent .setType("plain/text");
emailIntent .putExtra(android.content.Intent.EXTRA_EMAIL,  new String[]{"xxx@xxx.xxx"});
emailIntent .putExtra(android.content.Intent.EXTRA_SUBJECT, "subject");
emailIntent .putExtra(android.content.Intent.EXTRA_TEXT, "aaa");
startActivity(Intent.createChooser(emailIntent, "Send mail..."));