From 3035c81ef8aebae98d97698b0a6115739557625f Mon Sep 17 00:00:00 2001
From: Aitor Viana <aitorvs@gmail.com>
Date: Fri, 16 Sep 2016 11:14:44 +0200
Subject: [PATCH] fix parameter type in recreateKey() method

---
 .../java/com/aitorvs/android/fingerlock/FingerLock.java    | 7 ++++---
 .../com/aitorvs/android/fingerlock/FingerLockManager.java  | 7 ++++++-
 2 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/core/src/main/java/com/aitorvs/android/fingerlock/FingerLock.java b/core/src/main/java/com/aitorvs/android/fingerlock/FingerLock.java
index 82fe1a0..ceae904 100644
--- a/core/src/main/java/com/aitorvs/android/fingerlock/FingerLock.java
+++ b/core/src/main/java/com/aitorvs/android/fingerlock/FingerLock.java
@@ -159,9 +159,10 @@ public void stop() {
     }
 
     @Override
-    public void recreateKey(final Object listener) {
-        if (listener instanceof FingerLockResultCallback) {
-            impl.recreateKey((FingerLockResultCallback) listener);
+    public void recreateKey(@NonNull final FingerLockResultCallback listener) {
+        //noinspection ConstantConditions
+        if (listener != null) {
+            impl.recreateKey(listener);
         }
     }
 
diff --git a/core/src/main/java/com/aitorvs/android/fingerlock/FingerLockManager.java b/core/src/main/java/com/aitorvs/android/fingerlock/FingerLockManager.java
index 1d19067..a0d0ff8 100644
--- a/core/src/main/java/com/aitorvs/android/fingerlock/FingerLockManager.java
+++ b/core/src/main/java/com/aitorvs/android/fingerlock/FingerLockManager.java
@@ -48,5 +48,10 @@ public interface FingerLockManager {
      */
     void stop();
 
-    void recreateKey(final Object listener);
+    /**
+     * Call this method to re-create the keys so that new (added) fingerprints are validated.
+     *
+     * @param listener instance that implements {@linkplain FingerLockResultCallback} interface
+     */
+    void recreateKey(final FingerLockResultCallback listener);
 }