Gif width and hight not working

[mehmetbalbay]

<lal.adhish.gifprogressbar.GifView android:id="@+id/progressBar" android:layout_width="@dimen/_50dp" android:layout_centerInParent="true" android:layout_margin="@dimen/_5sdp" android:layout_height="@dimen/_50dp" android:layout_gravity="center" />

[rlogical-techsoft]

Correct. This is not working. I have tried by providing dynamic height and width as well but still it's not working.