diff --git a/app/src/main/kotlin/jackall/overlaymulticounter/common/PreferenceKeys.kt b/app/src/main/kotlin/jackall/overlaymulticounter/common/PreferenceKeys.kt
new file mode 100644
index 0000000..1bcbe27
--- /dev/null
+++ b/app/src/main/kotlin/jackall/overlaymulticounter/common/PreferenceKeys.kt
@@ -0,0 +1,9 @@
+package jackall.overlaymulticounter.common
+
+/**
+ * SharedPreferencesのkeyを管理するクラス
+ *
+ * Created by matsumoto_k on 2017/11/08.
+ */
+enum class PreferenceKeys(val preferenceNames: PreferenceNames, val valueClass: Class<*>, val key: String) {
+}
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