[android-developers] barcode scanner - displaying info

hello

im having a bit of trouble displaying the results of a bar code scan
in a EditText box please can you help

here is what i have

package com.android.app;

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

public class Scanner extends Activity {

EditText barcode1;

/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.scanner);}

public Button.OnClickListener scan1 = new
Button.OnClickListener() {
public void onClick(View v) {
Intent intent = new
Intent("com.google.zxing.client.android.SCAN");

intent.putExtra("com.google.zxing.client.android.SCAN.SCAN_MODE",
"ONE_D_MODE");
startActivityForResult(intent, 0);
}
};

public void onActivityResult(int requestCode, int resultCode,
Intent intent) {
if (requestCode == 0) {
if (resultCode == RESULT_OK) {
String contents =
intent.getStringExtra("SCAN_RESULT");
String format =
intent.getStringExtra("SCAN_RESULT_FORMAT");
// Handle successful scan
} else if (resultCode == RESULT_CANCELED) {
// Handle cancel

barcode1.setText(getString(contents));
}
}
}

}

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