例如:
Button b2 = (Button)findViewById(R.id.button2);
b2.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
Uri u = Uri.parse("smsto:13816921145");
Intent i = new Intent(Intent.ACTION_SENDTO,u);;
i.putExtra("sms_body", "The SMS text");
startActivity(i);
}
});