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Barcode Applet

Development Example

The RealWear Device barcode application can be used by third party applications.

These applications can launch the barcode application which will ask the user to scan a barcode. The data from the captured barcode will be returned to the calling application.

Launch Barcode Scanner

private static final int RequestCode = 1984;

private static final String ACTION_BARCODE =
private static final String EXTRA_RESULT =


Intent intent = new Intent(ACTION_BARCODE);
startActivityForResult(intent, RequestCode);

Listen for barcode scan result

protected void onActivityResult(int requestCode, int resultCode, Intent data) {
if (resultCode == Activity.RESULT_OK && requestCode == RequestCode) {
String result = "[No Barcode]";
if (data != null) {
result = data.getStringExtra(EXTRA_RESULT);


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