Fix checkout flow activity close on error.

app/src/main/java/org/thoughtcrime/securesms/backup/v2/ui/subscription/MessageBackupsFlowFragment.kt

@@ -273,4 +273,8 @@ class MessageBackupsFlowFragment : ComposeFragment(), InAppPaymentCheckoutDelega
   override fun navigateToDonationPending(inAppPayment: InAppPaymentTable.InAppPayment) {
     // TODO [message-backups] What do? Are we even supporting bank transfers?
   }
+
+  override fun exitCheckoutFlow() {
+    requireActivity().finishAfterTransition()
+  }
 }

app/src/main/java/org/thoughtcrime/securesms/badges/gifts/flow/GiftFlowConfirmationFragment.kt

@@ -313,4 +313,8 @@ class GiftFlowConfirmationFragment :
   override fun onUserLaunchedAnExternalApplication() = error("Not supported for gifts.")
 
   override fun navigateToDonationPending(inAppPayment: InAppPaymentTable.InAppPayment) = error("Not supported for gifts")
+
+  override fun exitCheckoutFlow() {
+    requireActivity().finishAfterTransition()
+  }
 }

app/src/main/java/org/thoughtcrime/securesms/components/settings/app/subscription/donate/DonateToSignalFragment.kt

@@ -528,4 +528,8 @@ class DonateToSignalFragment :
   override fun navigateToDonationPending(inAppPayment: InAppPaymentTable.InAppPayment) {
     findNavController().safeNavigate(DonateToSignalFragmentDirections.actionDonateToSignalFragmentToDonationPendingBottomSheet(inAppPayment))
   }
+
+  override fun exitCheckoutFlow() {
+    requireActivity().finishAffinity()
+  }
 }

app/src/main/java/org/thoughtcrime/securesms/components/settings/app/subscription/donate/InAppPaymentCheckoutDelegate.kt

@@ -8,7 +8,6 @@ import androidx.fragment.app.setFragmentResultListener
 import androidx.fragment.app.viewModels
 import androidx.lifecycle.DefaultLifecycleObserver
 import androidx.lifecycle.LifecycleOwner
-import androidx.navigation.fragment.findNavController
 import androidx.navigation.navGraphViewModels
 import com.google.android.gms.wallet.PaymentData
 import com.google.android.material.dialog.MaterialAlertDialogBuilder
@@ -139,7 +138,7 @@ class InAppPaymentCheckoutDelegate(
         .setTitle(R.string.DonationsErrors__failed_to_cancel_subscription)
         .setMessage(R.string.DonationsErrors__subscription_cancellation_requires_an_internet_connection)
         .setPositiveButton(android.R.string.ok) { _, _ ->
-          fragment.findNavController().popBackStack(R.id.checkout_flow, true)
+          callback.exitCheckoutFlow()
         }
         .show()
     } else {
@@ -285,14 +284,17 @@ class InAppPaymentCheckoutDelegate(
         is DonationError.UserCancelledPaymentError -> {
           Log.d(TAG, "User cancelled out of payment flow.", true)
         }
+
         is DonationError.BadgeRedemptionError.DonationPending -> {
           Log.d(TAG, "User launched an external application.", true)
           errorHandlerCallback?.onUserLaunchedAnExternalApplication()
         }
+
         is DonationError.UserLaunchedExternalApplication -> {
           Log.d(TAG, "Long-running donation is still pending.", true)
           errorHandlerCallback?.navigateToDonationPending(inAppPayment)
         }
+
         else -> {
           Log.d(TAG, "Displaying donation error dialog.", true)
           errorDialog = DonationErrorDialogs.show(
@@ -353,7 +355,7 @@ class InAppPaymentCheckoutDelegate(
         errorDialog = null
         if (!tryAgain) {
           tryAgain = false
-          fragment?.findNavController()?.popBackStack(R.id.checkout_flow, true)
+          errorHandlerCallback?.exitCheckoutFlow()
         }
       }
     }
@@ -362,6 +364,7 @@ class InAppPaymentCheckoutDelegate(
   interface ErrorHandlerCallback {
     fun onUserLaunchedAnExternalApplication()
     fun navigateToDonationPending(inAppPayment: InAppPaymentTable.InAppPayment)
+    fun exitCheckoutFlow()
   }
 
   interface Callback : ErrorHandlerCallback {

app/src/main/java/org/thoughtcrime/securesms/components/settings/app/subscription/donate/transfer/details/BankTransferDetailsFragment.kt

@@ -163,6 +163,10 @@ class BankTransferDetailsFragment : ComposeFragment(), InAppPaymentCheckoutDeleg
       }
     })
   }
+
+  override fun exitCheckoutFlow() {
+    requireActivity().finishAfterTransition()
+  }
 }
 
 @Preview

app/src/main/java/org/thoughtcrime/securesms/components/settings/app/subscription/donate/transfer/ideal/IdealTransferDetailsFragment.kt

@@ -194,6 +194,10 @@ class IdealTransferDetailsFragment : ComposeFragment(), InAppPaymentCheckoutDele
       }
     })
   }
+
+  override fun exitCheckoutFlow() {
+    requireActivity().finishAfterTransition()
+  }
 }
 
 @Preview