Class BarcodeScannerActivity

BarcodeScannerActivity is an activity class that implements barcode decoding features.

Definition

Assembly: DynamsoftBarcodeReaderBundle.aar

Namespace: com.dynamsoft.dbrbundle.ui

class BarcodeScannerActivity extends AppCompatActivity

ResultContract

A contract specifying that the activity BarcodeScannerActivity can be called with an input of type BarcodeScannerConfig and produce an output of type BarcodeScanResult.

public static final class ResultContract extends ActivityResultContract<BarcodeScannerConfig, BarcodeScanResult>

How to Use

Java
Kotlin

public class MainActivity extends AppCompatActivity {
   private ActivityResultLauncher<BarcodeScannerConfig> launcher;
   @Override
   protected void onCreate(@Nullable Bundle savedInstanceState) {
      super.onCreate(savedInstanceState);
      setContentView(R.layout.activity_main);
      TextView textView = findViewById(R.id.tv_result);
      // Set up the license via the BarcodeScannerConfig
      BarcodeScannerConfig config = new BarcodeScannerConfig();
      config.setLicense("DLS2eyJvcmdhbml6YXRpb25JRCI6IjIwMDAwMSJ9");
      // Set up a launcher and register the result callback for BarcodeScannerActivity.
      launcher = registerForActivityResult(new BarcodeScannerActivity.ResultContract(), result -> {
         if (result.getResultStatus() == BarcodeScanResult.EnumResultStatus.RS_FINISHED && result.getBarcodes() != null) {
                String content = "Result: format: " + result.getBarcodes()[0].getFormatString() + "\n" + "content: " + result.getBarcodes()[0].getText();
                textView.setText(content);
         } else if (result.getResultStatus() == BarcodeScanResult.EnumResultStatus.RS_CANCELED) {
                textView.setText("Scan canceled.");
         }
         if (result.getErrorString() != null && !result.getErrorString().isEmpty()) {
                textView.setText(result.getErrorString());
         }
      });
      // Config a button on the UI. Launch the BarcodeScannerActivity when button clicked.
      findViewById(R.id.btn_navigate).setOnClickListener(v -> launcher.launch(config));
   }
}

class MainActivity : AppCompatActivity() {
   private lateinit var launcher: ActivityResultLauncher<BarcodeScannerConfig>
   override fun onCreate(savedInstanceState: Bundle?) {
      super.onCreate(savedInstanceState)
      setContentView(R.layout.activity_main)
      val textView = findViewById<TextView>(R.id.tv_result)
      // Set up the license via the BarcodeScannerConfig
      val config = BarcodeScannerConfig().apply {
         license = "DLS2eyJvcmdhbml6YXRpb25JRCI6IjIwMDAwMSJ9";
      }
      // Set up a launcher and register the result callback for BarcodeScannerActivity.
      launcher = registerForActivityResult(BarcodeScannerActivity.ResultContract()) { result ->
         if (result.resultStatus == BarcodeScanResult.EnumResultStatus.RS_FINISHED && result.barcodes != null) {
                val content = """
                Result: format: ${result.barcodes[0].formatString}
                content: ${result.barcodes[0].text}
                """.trimIndent()
                textView.text = content
         } else if (result.resultStatus == BarcodeScanResult.EnumResultStatus.RS_CANCELED) {
                textView.text = "Scan canceled."
         }
         if (result.errorString != null && result.errorString.isNotEmpty()) {
                textView.text = result.errorString
         }
      }
      // Config a button on the UI. Launch the BarcodeScannerActivity when button clicked.
      findViewById<View>(R.id.btn_navigate).setOnClickListener {
         launcher.launch(
                config
         )
      }
   }
}