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package example.zxing;
import android.content.Intent;
import android.hardware.Camera;
import android.os.Bundle;
import androidx.fragment.app.Fragment;
import androidx.appcompat.app.AppCompatActivity;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.Toast;
import com.google.zxing.client.android.Intents;
import com.google.zxing.integration.android.IntentIntegrator;
import com.google.zxing.integration.android.IntentResult;
import com.mikepenz.aboutlibraries.LibsBuilder;
public class MainActivity extends AppCompatActivity {
public final int CUSTOMIZED_REQUEST_CODE = 0x0000ffff;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
}
public void scanBarcode(View view) {
new IntentIntegrator(this).initiateScan();
}
public void scanBarcodeWithCustomizedRequestCode(View view) {
new IntentIntegrator(this).setRequestCode(CUSTOMIZED_REQUEST_CODE).initiateScan();
}
public void scanBarcodeInverted(View view){
IntentIntegrator integrator = new IntentIntegrator(this);
integrator.addExtra(Intents.Scan.SCAN_TYPE, Intents.Scan.INVERTED_SCAN);
integrator.initiateScan();
}
public void scanMixedBarcodes(View view){
IntentIntegrator integrator = new IntentIntegrator(this);
integrator.addExtra(Intents.Scan.SCAN_TYPE, Intents.Scan.MIXED_SCAN);
integrator.initiateScan();
}
public void scanBarcodeCustomLayout(View view) {
IntentIntegrator integrator = new IntentIntegrator(this);
integrator.setCaptureActivity(AnyOrientationCaptureActivity.class);
integrator.setDesiredBarcodeFormats(IntentIntegrator.ONE_D_CODE_TYPES);
integrator.setPrompt("Scan something");
integrator.setOrientationLocked(false);
integrator.setBeepEnabled(false);
integrator.initiateScan();
}
public void scanPDF417(View view) {
IntentIntegrator integrator = new IntentIntegrator(this);
integrator.setDesiredBarcodeFormats(IntentIntegrator.PDF_417);
integrator.setPrompt("Scan something");
integrator.setOrientationLocked(false);
integrator.setBeepEnabled(false);
integrator.initiateScan();
}
public void scanBarcodeFrontCamera(View view) {
IntentIntegrator integrator = new IntentIntegrator(this);
integrator.setCameraId(Camera.CameraInfo.CAMERA_FACING_FRONT);
integrator.initiateScan();
}
public void scanContinuous(View view) {
Intent intent = new Intent(this, ContinuousCaptureActivity.class);
startActivity(intent);
}
public void scanToolbar(View view) {
new IntentIntegrator(this).setCaptureActivity(ToolbarCaptureActivity.class).initiateScan();
}
public void scanCustomScanner(View view) {
new IntentIntegrator(this).setOrientationLocked(false).setCaptureActivity(CustomScannerActivity.class).initiateScan();
}
public void scanMarginScanner(View view) {
IntentIntegrator integrator = new IntentIntegrator(this);
integrator.setOrientationLocked(false);
integrator.setCaptureActivity(SmallCaptureActivity.class);
integrator.initiateScan();
}
public void scanWithTimeout(View view) {
IntentIntegrator integrator = new IntentIntegrator(this);
integrator.setTimeout(8000);
integrator.initiateScan();
}
public void tabs(View view) {
Intent intent = new Intent(this, TabbedScanning.class);
startActivity(intent);
}
public void about(View view) {
new LibsBuilder().start(this);
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
if (requestCode != CUSTOMIZED_REQUEST_CODE && requestCode != IntentIntegrator.REQUEST_CODE) {
// This is important, otherwise the result will not be passed to the fragment
super.onActivityResult(requestCode, resultCode, data);
return;
}
switch (requestCode) {
case CUSTOMIZED_REQUEST_CODE: {
Toast.makeText(this, "REQUEST_CODE = " + requestCode, Toast.LENGTH_LONG).show();
break;
}
default:
break;
}
IntentResult result = IntentIntegrator.parseActivityResult(resultCode, data);
if(result.getContents() == null) {
Intent originalIntent = result.getOriginalIntent();
if (originalIntent == null) {
Log.d("MainActivity", "Cancelled scan");
Toast.makeText(this, "Cancelled", Toast.LENGTH_LONG).show();
} else if(originalIntent.hasExtra(Intents.Scan.MISSING_CAMERA_PERMISSION)) {
Log.d("MainActivity", "Cancelled scan due to missing camera permission");
Toast.makeText(this, "Cancelled due to missing camera permission", Toast.LENGTH_LONG).show();
}
} else {
Log.d("MainActivity", "Scanned");
Toast.makeText(this, "Scanned: " + result.getContents(), Toast.LENGTH_LONG).show();
}
}
/**
* Sample of scanning from a Fragment
*/
public static class ScanFragment extends Fragment {
private String toast;
public ScanFragment() {
}
@Override
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
displayToast();
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.fragment_scan, container, false);
Button scan = view.findViewById(R.id.scan_from_fragment);
scan.setOnClickListener(v -> scanFromFragment());
return view;
}
public void scanFromFragment() {
IntentIntegrator.forSupportFragment(this).initiateScan();
}
private void displayToast() {
if(getActivity() != null && toast != null) {
Toast.makeText(getActivity(), toast, Toast.LENGTH_LONG).show();
toast = null;
}
}
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
IntentResult result = IntentIntegrator.parseActivityResult(requestCode, resultCode, data);
if(result != null) {
if(result.getContents() == null) {
toast = "Cancelled from fragment";
} else {
toast = "Scanned from fragment: " + result.getContents();
}
// At this point we may or may not have a reference to the activity
displayToast();
}
}
}
}
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