应用跳转到系统添加联系人加好后再跳回当前应用

public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
Button button = (Button)findViewById(R.id.email);
button.setOnClickListener(new OnClickListener(){
public void onClick(View v) {
onClickSender();
}});
}
private void onClickSender()
{
try
{
Uri contactUri = Uri.fromParts("mailto", "liaojianguo19840726@gmail.com", null);
Intent contactIntent = new Intent(Contacts.Intents.SHOW_OR_CREATE_CONTACT);
contactIntent.setData(contactUri);
// Pass along full E-mail string for possible create dialog
contactIntent.putExtra(Contacts.Intents.EXTRA_CREATE_DESCRIPTION,
"liaojianguo19840726@gmail.com");
// Only provide personal name hint if we have one
String senderPersonal = null;
if (senderPersonal != null)
{
contactIntent.putExtra(Intents.Insert.NAME, senderPersonal);
}
startActivity(contactIntent);
}
catch (Exception me)
{
if (Config.LOGV)
{
}
}
}
}