check for empty array on permission granted

fixes card-io#70
rexmtorres · Apr 22, 2016 · 034fa1b · 034fa1b
1 parent 7337535
commit 034fa1b
Show file tree

Hide file tree

Showing 2 changed files with 6 additions and 2 deletions.
diff --git a/card.io/src/main/java/io/card/payment/CardIOActivity.java b/card.io/src/main/java/io/card/payment/CardIOActivity.java
@@ -641,8 +641,8 @@ public void onRequestPermissionsResult(int requestCode,
         switch (requestCode) {
             case PERMISSION_REQUEST_ID: {
                 waitingForPermission = false;
-                if (grantResults[0] ==
-                        PackageManager.PERMISSION_GRANTED){
+                if (grantResults.length > 0
+                        && grantResults[0] == PackageManager.PERMISSION_GRANTED){
                     showCameraScannerOverlay();
 
                 } else {

diff --git a/sdk/CHANGELOG.md b/sdk/CHANGELOG.md
@@ -1,6 +1,10 @@
 card.io Android SDK change log and release notes
 ================================================
 
+5.3.4
+-----
+* Fix crash on Android 23 and above where `onRequestPermissionsResult()` returns an empty array [card.io-Android-source#70](https://github.com/card-io/card.io-Android-source/issues/70).
+
 5.3.3
 -----
 * Fix newline issue in ES locale [#142](https://github.com/card-io/card.io-Android-SDK/issues/142).