两个控制器是否可以具有相同的中心

Hey Guyz help me I got stuck with an alignment setting problem... I am new to Android Development and the objective I want to achieve is I am making a Music Player in which I am trying to set an ImageView to an ImageButton but what I want to set it on the center and I did not find any way below is the code which I tried..Hey Guyz help me I got stuck with an alignment