main.java

package buunview.test;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;

public class buunview extends Activity {
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);

Button button_do = (Button) findViewById(R.id.button_do);

button_kmh.setOnClickListener(new View.OnClickListener() {

public void onClick(View v) {
Intent intent = new Intent(buunview.this, buun.class);
EditText textnum = (EditText) findViewById(R.id.text_num);
intent.putExtra("Num", Integer.parseInt(textnum.getText().toString()));
startActivityForResult(intent, 0);
}
});

}
}