Popup window

public static void popupWindowListPicker(String options[], View rootView, final HasUpdate update){
        final Context con = rootView.getContext();
        final PopupWindow popupWindow = new PopupWindow(con);
        final Animation.AnimationListener animationListener = new Animation.AnimationListener() {
            @Override
            public void onAnimationStart(Animation animation) {

            }

            @Override
            public void onAnimationEnd(Animation animation) {
                popupWindow.dismiss();
            }

            @Override
            public void onAnimationRepeat(Animation animation) {

            }
        };

        int padding = Misc.dpToPx(7, con);

        //create the layout and views that will go into the popupWindow
        final LinearLayout popupLayout = new LinearLayout(con);
        popupLayout.setOrientation(LinearLayout.VERTICAL);
        popupLayout.setClipChildren(false);
        popupLayout.setOnClickListener(null);
        popupLayout.setBackgroundDrawable(con.getResources().getDrawable(R.drawable.border));
        popupLayout.setGravity(Gravity.CENTER);

        //this will be the dimmed background
        final LinearLayout mainLayout = new LinearLayout(con);
        mainLayout.setGravity(Gravity.CENTER);
        mainLayout.setBackgroundColor(con.getResources().getColor(R.color.dim));
        mainLayout.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Animation anim = AnimationUtils.loadAnimation(con, R.anim.scale_out);
                anim.setAnimationListener(animationListener);
                popupLayout.startAnimation(anim);
                anim = AnimationUtils.loadAnimation(con,R.anim.fade_out);
                mainLayout.startAnimation(anim);
            }
        });

        for (int i = 0; i < options.length ; i++) {
            //the text for the list item
            final TextView tv = new TextView(con);

            tv.setText(options[i]);
            tv.setTextAppearance(con, android.R.style.TextAppearance_Medium);
            tv.setTextColor(con.getResources().getColor(R.color.FontDark));
            tv.setGravity(Gravity.CENTER);
            tv.setClickable(false);

            LinearLayout.LayoutParams lp = new LinearLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT);

            lp.gravity = Gravity.CENTER;

            LinearLayout layout = new LinearLayout(con);
            layout.setGravity(Gravity.CENTER);
            layout.setPadding(0,padding,0,padding);
            layout.setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(View v) {
                    update.update(tv.getText().toString());

                    Animation anim = AnimationUtils.loadAnimation(con, R.anim.scale_out);
                    anim.setAnimationListener(animationListener);
                    popupLayout.startAnimation(anim);
                    anim = AnimationUtils.loadAnimation(con,R.anim.fade_out);
                    mainLayout.startAnimation(anim);
                }
            });

            //add the row to the popup window
            layout.addView(tv);
            popupLayout.addView(layout, lp);

            //add separator if we aren't done yet.
            if(i < options.length - 1){
                View separator = new View(con);
                separator.setBackgroundColor(con.getResources().getColor( R.color.colorSeparator));
                LinearLayout.LayoutParams lps = new LinearLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT,Misc.dpToPx(1,con));
                separator.setPadding(padding,0,padding,0);
                popupLayout.addView(separator,lps);
            }
        }

        popupWindow.setOnDismissListener(new PopupWindow.OnDismissListener() {
            @Override
            public void onDismiss() {
                //nothing happens here.
            }
        });

        Point size = Misc.getScreenPixels(con);
        mainLayout.setMinimumWidth(size.x + 20);
        mainLayout.setMinimumHeight(size.y + 20);
        //todo: find an alternative to this hardcoded width, if needed.
        mainLayout.addView(popupLayout, dpToPx(300, con), ViewGroup.LayoutParams.WRAP_CONTENT);

        //set the content of the popup window
        popupWindow.setContentView(mainLayout);

        //this allows the background to look as expected
        popupWindow.setBackgroundDrawable(null);

        //show the goddamn popup
        popupWindow.showAtLocation(rootView, Gravity.CENTER, size.x, size.y);

        //start animation of the various components inside the popup
        Animation anim = AnimationUtils.loadAnimation(con,R.anim.scale_in);
        popupLayout.startAnimation(anim);
        anim = AnimationUtils.loadAnimation(con,R.anim.fade_in);
        mainLayout.startAnimation(anim);
    }