Development Example – Barcode Applet
The HMT 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 =
"com.realwear.barcodereader.intent.action.SCAN_BARCODE";
private static final String EXTRA_RESULT =
"com.realwear.barcodereader.intent.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);
}
mBarcodeResultsView.setText(result);
}
}