Display computation of BMI in another activity in android

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http://stackoverflow.com – Hello I'm just new in android ..I just wanna ask if how can I display a computation of BMI from Menu Window to another activity called Register Window in android..because when I run this code no display of result in register window.. thank you *Register Window * public void onClick(View v) { Intent intent = new Intent(Register.this, Menu.class); intent.putExtra("response","counter"); startActivity(intent); int weight = 0, height = 0, age = 0, answer = 0; String test1, test2, test3; test1 = getString(R.id.tvWeight); (HowTos)