튜토리얼 수정

app/src/main/res/layout/fragment_onboarding.xml

@@ -1,15 +1,15 @@
 <?xml version="1.0" encoding="utf-8"?>
 <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    android:id="@+id/rl_root"
     xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/rl_root"
     android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    android:background="@color/color_ccf0ff">
+    android:layout_height="match_parent">
 
     <ImageView
         android:id="@+id/image_view"
         android:layout_width="match_parent"
         android:layout_height="match_parent"
+        android:scaleType="fitXY"
         android:contentDescription="@null"
         tools:src="@drawable/img_guide_1" />