app/src/main/res/layout/activity_photo_viewer.xml
@@ -5,7 +5,7 @@
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="@color/black"
    tools:context="cn.flightfeather.thirdapp.activity.PhotoViewerActivity">
    tools:context="cn.flightfeather.thirdappmodule.activity.PhotoViewerActivity">
    <android.support.v4.view.ViewPager
        android:id="@+id/view_pager"