Bundle bundle=new Bundle();

bundle.putString("key", "value");

Bundle bundle=new Bundle();

bundle.putString("key", "value");

Intent a= new Intent(this,TargetActivity.class);

a.putExtras(bundle);

public class ActivityInstance extends Activity{

protected void onCreate(Bundle savedInstanceState) {}

private class RegisterOnclick implements View.OnClickListener {

public void onClick(View v) {

 Intent a= new Intent(ActivityInstance.this,TargetActivity.class);

}}

}