Fix fingerprint enrolling bug.

This fixes a bug where rotating the device would call post_enroll()
too early, thus invalidating the current session.

Fixes bug 22708390

Change-Id: Ib4a334b50c16630b4fe4b451f6019d41225b2011

1 files changed, 5 insertions, 3 deletions

diff --git a/src/com/android/settings/fingerprint/FingerprintSettings.java b/src/com/android/settings/fingerprint/FingerprintSettings.java
index d40dc50..a5c9963 100644
--- a/src/com/android/settings/fingerprint/FingerprintSettings.java
+++ b/src/com/android/settings/fingerprint/FingerprintSettings.java
@@ -451,9 +451,11 @@ public class FingerprintSettings extends SubSettings {
         @Override
         public void onDestroy() {
             super.onDestroy();
-            int result = mFingerprintManager.postEnroll();
-            if (result < 0) {
-                Log.w(TAG, "postEnroll failed: result = " + result);
+            if (getActivity().isFinishing()) {
+                int result = mFingerprintManager.postEnroll();
+                if (result < 0) {
+                    Log.w(TAG, "postEnroll failed: result = " + result);
+                }
             }
         }