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package example.zxing;
import android.app.Activity;
import android.graphics.Color;
import android.os.Bundle;
import android.view.KeyEvent;
import android.view.View;
import android.widget.ImageView;
import com.google.zxing.BarcodeFormat;
import com.google.zxing.ResultPoint;
import com.google.zxing.client.android.BeepManager;
import com.journeyapps.barcodescanner.BarcodeCallback;
import com.journeyapps.barcodescanner.BarcodeResult;
import com.journeyapps.barcodescanner.DecoratedBarcodeView;
import com.journeyapps.barcodescanner.DefaultDecoderFactory;
import java.util.Arrays;
import java.util.Collection;
import java.util.List;
/**
* This sample performs continuous scanning, displaying the barcode and source image whenever
* a barcode is scanned.
*/
public class ContinuousCaptureActivity extends Activity {
private DecoratedBarcodeView barcodeView;
private BeepManager beepManager;
private String lastText;
private BarcodeCallback callback = new BarcodeCallback() {
@Override
public void barcodeResult(BarcodeResult result) {
if(result.getText() == null || result.getText().equals(lastText)) {
// Prevent duplicate scans
return;
}
lastText = result.getText();
barcodeView.setStatusText(result.getText());
beepManager.playBeepSoundAndVibrate();
//Added preview of scanned barcode
ImageView imageView = findViewById(R.id.barcodePreview);
imageView.setImageBitmap(result.getBitmapWithResultPoints(Color.YELLOW));
}
@Override
public void possibleResultPoints(List<ResultPoint> resultPoints) {
}
};
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.continuous_scan);
barcodeView = findViewById(R.id.barcode_scanner);
Collection<BarcodeFormat> formats = Arrays.asList(BarcodeFormat.QR_CODE, BarcodeFormat.CODE_39);
barcodeView.getBarcodeView().setDecoderFactory(new DefaultDecoderFactory(formats));
barcodeView.initializeFromIntent(getIntent());
barcodeView.decodeContinuous(callback);
beepManager = new BeepManager(this);
}
@Override
protected void onResume() {
super.onResume();
barcodeView.resume();
}
@Override
protected void onPause() {
super.onPause();
barcodeView.pause();
}
public void pause(View view) {
barcodeView.pause();
}
public void resume(View view) {
barcodeView.resume();
}
public void triggerScan(View view) {
barcodeView.decodeSingle(callback);
}
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
return barcodeView.onKeyDown(keyCode, event) || super.onKeyDown(keyCode, event);
}
}
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