feat: Add GetFloatingClientLeaseExpiryDate method to LexFloatClient

lexfloatclient/src/main/java/com/cryptlex/android/lexfloatclient/LexFloatClient.java

@@ -108,6 +108,24 @@ public static void SetFloatingClientMetadata(String key, String value) throws Le
         }
     }
 
+    /**
+     * Gets the lease expiry date timestamp of the floating client.
+     *
+     * @return Returns the timestamp
+     * @throws LexFloatClientException
+     */
+    public static int GetFloatingClientLeaseExpiryDate() throws LexFloatClientException {
+        int status;
+        IntByReference expiryDate = new IntByReference(0);
+        status = LexFloatClientNative.GetFloatingClientLeaseExpiryDate(expiryDate);
+        switch (status) {
+            case LF_OK:
+                return expiryDate.getValue();
+            default:
+                throw new LexFloatClientException(status);
+        }
+    }
+
     /**
      * Gets the version of this library.
      * 

lexfloatclient/src/main/java/com/cryptlex/android/lexfloatclient/LexFloatClientNative.java

@@ -28,6 +28,8 @@ public interface CallbackType extends Callback {
     public static native int SetFloatingLicenseCallback(CallbackType callback);
 
     public static native int SetFloatingClientMetadata(String key, String value);
+
+    public static native int GetFloatingClientLeaseExpiryDate(IntByReference expiryDate);
 
     public static native int GetFloatingClientLibraryVersion(ByteBuffer libraryVersion, int length);