Use ?android:attr/windowBackground to draw background

app/build.gradle

@@ -65,6 +65,7 @@ dependencies {
     implementation "com.android.support:design:$supportLibrary"
     implementation 'com.github.amlcurran.showcaseview:library:5.4.3'
     implementation 'com.github.seven332:android-recaptcha:2bbb3459a8'
+    implementation 'com.github.seven332:android-resource:0.1.0'
     implementation 'com.github.seven332:animator:0.1.0'
     implementation 'com.github.seven332:beerbelly:0.1.4'
     implementation 'com.github.seven332:conaco:0.1.5-eh'

app/src/main/java/com/hippo/scene/SceneFragment.java

@@ -24,6 +24,7 @@ import android.support.v4.app.Fragment;
 import android.support.v4.app.FragmentActivity;
 import android.view.View;
 
+import com.hippo.android.resource.AttrResources;
 import com.hippo.ehviewer.R;
 import com.hippo.yorozuya.collect.IntList;
 
@@ -102,7 +103,7 @@ public class SceneFragment extends Fragment {
         super.onViewCreated(view, savedInstanceState);
 
         view.setTag(R.id.fragment_tag, getTag());
-        view.setBackgroundColor(getResources().getColor(R.color.background_light));
+        view.setBackgroundDrawable(AttrResources.getAttrDrawable(getContext(), android.R.attr.windowBackground));
 
         // Notify
         FragmentActivity activity = getActivity();

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

@@ -48,7 +48,7 @@
             android:layout_height="match_parent"
             android:layout_gravity="right"
             android:maxWidth="@dimen/drawer_max_width"
-            android:background="@color/background_light"
+            android:background="?android:attr/windowBackground"
             android:clickable="true"/>
 
     </com.hippo.ehviewer.widget.EhDrawerLayout>