Android Popup Window is highlighted above the control

public class Testpopupwindowactivity extends Popupwindow {Activity context;        Public testpopupwindowactivity (Activity context, View v) {super (context);        This.context = context;        Relativelayout Mcontentview = new Relativelayout (context); Relativelayout.layoutparams LPBG = new Relativelayout.layoutparams (ViewGroup.LayoutParams.WRAP_CONTENT,        ViewGroup.LayoutParams.WRAP_CONTENT);        Mcontentview.setlayoutparams (LPBG);        ImageView IVBG = new ImageView (context);        Ivbg.setimageresource (R.mipmap.icon_alipay);        Mcontentview.addview (IVBG);        Mcontentview.measure (View.MeasureSpec.UNSPECIFIED, View.MeasureSpec.UNSPECIFIED);        This.setcontentview (Mcontentview);        This.setheight (ViewGroup.LayoutParams.WRAP_CONTENT);        This.setwidth (ViewGroup.LayoutParams.WRAP_CONTENT);        This.setfocusable (TRUE);        This.setbackgrounddrawable (New colordrawable (Color.gray));        This.setoutsidetouchable (TRUE);   This.update ();     int popupwidth = Mcontentview.getmeasuredwidth ();        int popupheight = Mcontentview.getmeasuredheight ();        int[] location = new INT[2];        V.getlocationonscreen (location);    Showatlocation (V, gravity.no_gravity, location[0] + v.getwidth ()/2-POPUPWIDTH/2, location[1]-popupHeight); }}

Android Popup Window is highlighted above the control