Glide make ImageView wrap_content useless and no animatiion using target

I will try give a solution for your second question:

2. How can I make the ImageView's wrap_content useful when using the first method?

I managed to make wrap_content working by adding adjustViewBounds to the ImageView's layout:

<ImageView
            android:id="@+id/center_image_view"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_centerInParent="true"
            android:adjustViewBounds="true" />