diff --git a/.idea/misc.xml b/.idea/misc.xml
index 283b1e5..5489fee 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -24,7 +24,7 @@
       </value>
     </option>
   </component>
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" project-jdk-name="1.8" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_7" project-jdk-name="1.8" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/build/classes" />
   </component>
   <component name="ProjectType">
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index f903c9b..2eed1cc 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -3,6 +3,7 @@
     package="jackall.overlaymulticounter">
 
     <application
+        android:name=".App"
         android:allowBackup="true"
         android:icon="@mipmap/ic_launcher"
         android:label="@string/app_name"
diff --git a/app/src/main/kotlin/jackall/overlaymulticounter/App.kt b/app/src/main/kotlin/jackall/overlaymulticounter/App.kt
new file mode 100644
index 0000000..aa6334a
--- /dev/null
+++ b/app/src/main/kotlin/jackall/overlaymulticounter/App.kt
@@ -0,0 +1,21 @@
+package jackall.overlaymulticounter
+
+import android.annotation.SuppressLint
+import android.app.Application
+
+/**
+ * Created by matsumoto_k on 2017/11/08.
+ */
+class App : Application() {
+    companion object {
+        @SuppressLint("StaticFieldLeak")
+        lateinit var instance: App
+
+        fun get() = instance
+    }
+
+    override fun onCreate() {
+        super.onCreate()
+        instance = this
+    }
+}
\ No newline at end of file