main.java

package arc.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 main 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_do.setOnClickListener(new View.OnClickListener() {

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