FX325 Imager (Android 10)¶
The FX325 has a built-in BarcodeImager to scan 1D and 2D barcodes. The barcode reader can be used keyboard emulation mode : Accessible directly from the Android settings > Laser > Laser Scanner Service.
In order to use the barcode within you app, you also need to add following permissions inside your AndroidManifest.xml:
<uses-permission android:name="android.permission.BARCODE_SCANNER" />
<uses-permission android:name="android.permission.CAMERA" />
Usage in keyboard emulation mode¶
- To activate the laser, you can use physical button on the left side of the device.
- The result of the scan is displayed directly on the screen where your app has the focus (ex: Android TextField) or by catching the "OnKeyUp" event (cf. sample code)
- The beam turns off after a code is read or after 10 seconds.
Demo application using an EditText¶
Alternative without using an EditText¶
public class MainActivity extends AppCompatActivity {
private StringBuilder barcode;
private TextView tvBarcode;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
tvBarcode = findViewById(R.id.tvBarcode);
barcode = new StringBuilder();
}
@Override
public boolean onKeyUp(int keyCode, KeyEvent event) {
if (keyCode != KeyEvent.KEYCODE_SHIFT_LEFT
&& keyCode != KeyEvent.KEYCODE_F1
&& keyCode != KeyEvent.KEYCODE_F2) {
if (keyCode == KeyEvent.KEYCODE_ENTER) {
Log.d(TAG, "decoded text = " + barcode);
tvBarcode.setText(barcode);
barcode = new StringBuilder();
} else {
barcode.append((char)event.getUnicodeChar());
}
}
return true;
}
}