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README.md

@@ -74,13 +74,16 @@ class MainActivity : AppCompatActivity() {
         val scannerView = findViewById<CodeScannerView>(R.id.scanner_view)
 
         codeScanner = CodeScanner(this, scannerView)
+
         // Parameters (default values)
         codeScanner.camera = CodeScanner.CAMERA_BACK // or CAMERA_FRONT or specific camera id
-        codeScanner.formats = CodeScanner.ALL_FORMATS // list of type BarcodeFormat
+        codeScanner.formats = CodeScanner.ALL_FORMATS // list of type BarcodeFormat,
+                                                      // ex. listOf(BarcodeFormat.QR_CODE)
         codeScanner.autoFocusMode = AutoFocusMode.SAFE // or CONTINUOUS
         codeScanner.scanMode = ScanMode.SINGLE // or CONTINUOUS or PREVIEW
         codeScanner.isAutoFocusEnabled = true // Whether to enable auto focus or not
         codeScanner.isFlashEnabled = false // Whether to enable flash or not
+
         // Callbacks
         codeScanner.decodeCallback = DecodeCallback {
             runOnUiThread {
@@ -89,7 +92,8 @@ class MainActivity : AppCompatActivity() {
         }
         codeScanner.errorCallback = ErrorCallback {
             runOnUiThread {
-                Toast.makeText(this, "Camera initialization error: " + it.message, Toast.LENGTH_LONG).show()
+                Toast.makeText(this, "Camera initialization error: " + it.message,
+                        Toast.LENGTH_LONG).show()
             }
         }