sendmail.java

public void sendmail() {

	String[] TO_EMAILS = {"emailone@example.com", "emailtwo@example.com"};
	String[] CC = {"emailthree@example.com"};
	String[] BCC = {"emailfour@example.com"};

	Intent intent = new Intent(Intent.ACTION_SENDTO);
	intent.setData(Uri.parse("mailto:"));
	intent.putExtra(Intent.EXTRA_EMAIL, TO_EMAILS);
	intent.putExtra(Intent.EXTRA_CC, CC);
	intent.putExtra(Intent.EXTRA_BCC, BCC);
	intent.putExtra(Intent.EXTRA_SUBJECT, "Subject of the email.");
	intent.putExtra(Intent.EXTRA_TEXT, "Body of the email");	

	startActivity(Intent.createChooser(intent, "Choose your email client"));

}