misto

import com.journeyapps.barcodescanner.CaptureActivity;

public class MyCaptureActivity extends CaptureActivity { }

misto

public void takeQrCodePicture() {
    IntentIntegrator integrator = new IntentIntegrator(this);
    integrator.setCaptureActivity(MyCaptureActivity.class);
    integrator.setDesiredBarcodeFormats(IntentIntegrator.QR_CODE_TYPES);
    integrator.setOrientationLocked(false);
    integrator.addExtra(Intents.Scan.BARCODE_IMAGE_ENABLED, true);
    integrator.initiateScan();
}
    
@Override

misto

protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        Context ctx = getApplicationContext();
        Configuration.getInstance().load(ctx, PreferenceManager.getDefaultSharedPreferences(ctx));
        setContentView(R.layout.activity_main);

        map = findViewById(R.id.map);
        map.setTileSource(TileSourceFactory.MAPNIK);
        map.setMaxZoomLevel(20);

misto

Welcome to Scala version 2.9.1.r0-b20120125223512 (Java HotSpot(TM) 64-Bit Server VM, Java 1.7.0_02).
Type in expressions to have them evaluated.
Type :help for more information.

scala> trait A
defined trait A

scala> trait C extends A
defined trait C

misto

dependencies {
    ...
    implementation 'com.journeyapps:zxing-android-embedded:4.0.2'
}