From f0a4073df9da640af14aa1269d4d7f8dd021acbf Mon Sep 17 00:00:00 2001
From: Michael Shafrir <mshafrir@stripe.com>
Date: Wed, 11 Sep 2019 09:24:40 -0400
Subject: [PATCH] Fix crash when Fragment is not attached

Check that the fragment is attached before calling
`startActivityForResult()`.

Fixes #1517
---
 .../main/java/com/stripe/android/view/AuthActivityStarter.kt  | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/stripe/src/main/java/com/stripe/android/view/AuthActivityStarter.kt b/stripe/src/main/java/com/stripe/android/view/AuthActivityStarter.kt
index d39ec2161b1..d703a068132 100644
--- a/stripe/src/main/java/com/stripe/android/view/AuthActivityStarter.kt
+++ b/stripe/src/main/java/com/stripe/android/view/AuthActivityStarter.kt
@@ -26,7 +26,9 @@ internal interface AuthActivityStarter<StartDataType> {
 
             if (fragmentRef != null) {
                 val fragment = fragmentRef.get()
-                fragment?.startActivityForResult(intent, requestCode)
+                if (fragment?.isAdded == true) {
+                    fragment.startActivityForResult(intent, requestCode)
+                }
             } else {
                 activity.startActivityForResult(intent, requestCode)
             }