diff --git a/app/src/main/java/one/nem/lacerta/MainActivity.java b/app/src/main/java/one/nem/lacerta/MainActivity.java
index 50c3be6d..404debd0 100644
--- a/app/src/main/java/one/nem/lacerta/MainActivity.java
+++ b/app/src/main/java/one/nem/lacerta/MainActivity.java
@@ -36,4 +36,5 @@ public class MainActivity extends AppCompatActivity {
 
         Toast.makeText(this, "testMessage", Toast.LENGTH_SHORT).show();
     }
+
 }
\ No newline at end of file
diff --git a/data/src/main/java/one/nem/lacerta/source/pref/impl/CommonImpl.java b/data/src/main/java/one/nem/lacerta/source/pref/impl/CommonImpl.java
index f9791c76..c6a016d1 100644
--- a/data/src/main/java/one/nem/lacerta/source/pref/impl/CommonImpl.java
+++ b/data/src/main/java/one/nem/lacerta/source/pref/impl/CommonImpl.java
@@ -11,41 +11,42 @@ import java.util.stream.Collectors;
 
 import javax.inject.Inject;
 
+import dagger.hilt.android.AndroidEntryPoint;
+import dagger.hilt.android.qualifiers.ApplicationContext;
+
+@AndroidEntryPoint
 public class CommonImpl {
 
-    private final AppCompatActivity activity;
-
+    @ApplicationContext
     @Inject
-    public CommonImpl(AppCompatActivity activity) {
-        this.activity = activity;
-    }
+    Context applicationContext;
 
     public String getStringValue(String key) {
-        SharedPreferences pref = activity.getSharedPreferences("common", Context.MODE_PRIVATE);
+        SharedPreferences pref = applicationContext.getSharedPreferences("common", Context.MODE_PRIVATE);
         return pref.getString(key, "");
     }
 
     public void setStringValue(String key, String value) {
-        SharedPreferences pref = activity.getSharedPreferences("common", Context.MODE_PRIVATE);
+        SharedPreferences pref = applicationContext.getSharedPreferences("common", Context.MODE_PRIVATE);
         SharedPreferences.Editor editor = pref.edit();
         editor.putString(key, value);
         editor.apply();
     }
 
     public boolean isExist(String key) {
-        SharedPreferences pref = activity.getSharedPreferences("common", Context.MODE_PRIVATE);
+        SharedPreferences pref = applicationContext.getSharedPreferences("common", Context.MODE_PRIVATE);
         return pref.contains(key);
     }
 
     public void remove(String key) {
-        SharedPreferences pref = activity.getSharedPreferences("common", Context.MODE_PRIVATE);
+        SharedPreferences pref = applicationContext.getSharedPreferences("common", Context.MODE_PRIVATE);
         SharedPreferences.Editor editor = pref.edit();
         editor.remove(key);
         editor.apply();
     }
 
     public ArrayList<String> getExistKeys() {
-        SharedPreferences pref = activity.getSharedPreferences("common", Context.MODE_PRIVATE);
+        SharedPreferences pref = applicationContext.getSharedPreferences("common", Context.MODE_PRIVATE);
         // キーだけをArrayListに切り出す
         return new ArrayList<>(pref.getAll().keySet());
     }
diff --git a/feature/debug/src/main/res/layout/fragment_debug_shared_pref_editor.xml b/feature/debug/src/main/res/layout/fragment_debug_shared_pref_editor.xml
index 05aa4f39..7982d0ba 100644
--- a/feature/debug/src/main/res/layout/fragment_debug_shared_pref_editor.xml
+++ b/feature/debug/src/main/res/layout/fragment_debug_shared_pref_editor.xml
@@ -1,16 +1,69 @@
 <?xml version="1.0" encoding="utf-8"?>
-<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    tools:context=".DebugSharedPrefEditorFragment" >
+    android:orientation="vertical"
+    tools:context=".DebugSharedPrefEditorFragment">
 
-    <androidx.recyclerview.widget.RecyclerView
+    <com.google.android.material.textview.MaterialTextView
         android:layout_width="match_parent"
-        android:layout_height="match_parent"
-        app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
-</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
+        android:layout_height="wrap_content"
+        android:text="Save pref" />
+
+    <LinearLayout
+        android:id="@+id/SaveLinearLayout"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="horizontal"
+        android:weightSum="3">
+
+        <EditText
+            android:id="@+id/saveKeyEditText"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_margin="4dp"
+            android:layout_weight="2"
+            android:hint="Key" />
+
+        <com.google.android.material.button.MaterialButton
+            android:id="@+id/saveButton"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_margin="4dp"
+            android:layout_weight="1"
+            android:lauout_weight="1"
+            android:text="Save" />
+    </LinearLayout>
+
+    <com.google.android.material.textview.MaterialTextView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="Load pref" />
+
+    <LinearLayout
+        android:id="@+id/LoadLinearLayout"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="horizontal"
+        android:weightSum="3">
+
+        <EditText
+            android:id="@+id/loadKeyEditText"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_weight="2"
+            android:hint="Key" />
+
+        <com.google.android.material.button.MaterialButton
+            android:id="@+id/loadButton"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:lauout_weight="1"
+            android:text="Load" />
+    </LinearLayout>
+
+
+</LinearLayout>
\ No newline at end of file