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copied!<p>I think I just realized what the problem is.</p> <p>The button press activity calls back into the same <code>onActivityResult</code> method it's called from, and using the same requestCode of 0. This is causing the errors where you attempt to <code>getStringExtra("SCAN_RESULT")</code> because that only exists in the callback from the scan.</p> <p>Instead of <code>startActivityForResult(pass, 0);</code> use <code>startActivityForResult(pass, 1);</code> (or whatever digit) and handle it by adding an </p> <pre><code>} else if (1 == requestCode) { \* your stuff to handle the button result here*\ } </code></pre> <p>code section to the existing requestCode if statement (or make it a switch() statement).</p> <p>The end result would look something like this:</p> <pre><code>@Override public void onActivityResult(int requestCode, int resultCode, Intent intent) { if (requestCode == 0) { if (resultCode == RESULT_OK) { final String contents = intent.getStringExtra("SCAN_RESULT"); if ( totalbox != null ) { totalbox.setText(contents); } Toast toast = Toast.makeText(getApplicationContext(), "Successful Scan", Toast.LENGTH_SHORT).show(); Button myTotalButton = (Button) findViewById(R.id.myTotalButton); myTotalButton.setOnClickListener(new Button.OnClickListener() { public void onClick(View view) { Intent pass = new Intent(view.getContext(), Result.class); startActivityForResult(pass, 1); } }); } else if (resultCode == RESULT_CANCELED) { if ( totalbox != null ) { totalbox.setText("bummer"); } } } else if (requestCode == 1) { if (resultCode == RESULT_OK) { // Do whatever it is you want to do with the returned // data from the Result.class activity call } } } </code></pre>

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