This code was working, it opens the default SMS app and message appears in textbox , ready to enter number and send, But now this code doesn't work from Above marshmallow.
but now It does not work if the default app is Messaging
Uri uri = Uri.parse("smsto:" + mphoneno);
Intent it = new Intent(Intent.ACTION_SENDTO, uri);
it.putExtra("sms_body", message);
mActivity.startActivity(it);
try below method to open default messaging app
public void sendSMS() {
String number = "12346556"; // The number on which you want to send SMS
startActivity(new Intent(Intent.ACTION_VIEW, Uri.fromParts("sms", number, null)));
}