<ImageView android:id="@+id/imageBg" android:layout_width="match_parent" android:layout_height="match_parent" android:layout_centerInParent="true" android:adjustViewBounds="true" android:scaleType="centerCrop" android:src="@mipmap/bg_01"/>
<ImageView android:id="@+id/imageBg" android:layout_width="match_parent" android:layout_height="match_parent" android:layout_centerInParent="true" android:adjustViewBounds="true" android:scaleType="centerCrop" android:src="@mipmap/bg_01"/>