From 95d2a7219966bbba0e8a072ec0414df56cc581f9 Mon Sep 17 00:00:00 2001
From: Philipp Crocoll <philipp@crocoll.net>
Date: Mon, 8 May 2017 11:28:06 +0200
Subject: [PATCH] fix for unnecessary clearing of fingerprint unlock data

---
 src/keepass2android/QuickUnlock.cs | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/src/keepass2android/QuickUnlock.cs b/src/keepass2android/QuickUnlock.cs
index ee5c789e..70ce0e03 100644
--- a/src/keepass2android/QuickUnlock.cs
+++ b/src/keepass2android/QuickUnlock.cs
@@ -176,9 +176,16 @@ namespace keepass2android
 				};
 				_fingerprintPermissionGranted = true;
 				Kp2aLog.Log("_fingerprintPermissionGranted");
+				if (_onResumeDone)
+				{
+					//it seems the permission result is called after onResume sometimes. Repeat fingerprint unlock then.
+					InitFingerprintUnlock();	
+				}
 			}
 		}
 
+		bool _onResumeDone = false;
+
 		public void OnFingerprintError(string message)
 		{
 			Kp2aLog.Log("fingerprint error: " + message);
@@ -274,7 +281,6 @@ namespace keepass2android
 					btn.Tag = GetString(Resource.String.fingerprint_unlock_failed);
 					_fingerprintIdentifier = null;
 
-					ClearFingerprintUnlockData();
 				}
 			}
 			catch (Exception e)
@@ -350,7 +356,8 @@ namespace keepass2android
 				else
 					keyboard.HideSoftInputFromWindow(pwd.WindowToken, HideSoftInputFlags.ImplicitOnly);
 			}, 50);
-	
+
+			_onResumeDone = true;