Check if fragment and view are attached before accessing the view dis…

…play
admin-ch · Oct 13, 2021 · d7877cd · d7877cd
1 parent 65426ff
commit d7877cd
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/common/src/main/java/ch/admin/bag/covidcertificate/common/qr/QrScanFragment.kt b/common/src/main/java/ch/admin/bag/covidcertificate/common/qr/QrScanFragment.kt
@@ -174,6 +174,8 @@ abstract class QrScanFragment : Fragment() {
 
 	@SuppressLint("ClickableViewAccessibility")
 	private fun initializeCamera() {
+		if (!isAdded || !qrCodeScanner.isAttachedToWindow) return
+
 		val rotation = qrCodeScanner.display.rotation
 		preview = Preview.Builder()
 			.setTargetResolution(Size(720, 1280))