foto.xml

<ImageView
  android:id="@+id/details_foto"
  android:layout_width="match_parent"
  android:layout_height="wrap_content"
  android:src="@drawable/foto_ex"
  android:adjustViewBounds="true"
  android:visibility="visible"
  android:paddingTop="5dp"
/>

PicassoExample.java

private void updatePhoto() {
        foto.setVisibility(View.VISIBLE);
        Picasso.with(getActivity())
                .load(getPhotoRequestPath())
                .into(foto, getStreetViewImage);
    }