{
        View view = LayoutInflater.from(this).inflate(R.layout.ppw_exit,null) ;
        TextView cancle = (TextView)view.findViewById(R.id.ppw_exit_cancle);
        TextView define = (TextView)view.findViewById(R.id.ppw_exit_define);

        WindowManager manger = (WindowManager) getSystemService(SetupActivity.WINDOW_SERVICE);
        @SuppressWarnings("deprecation")
        int width = manger.getDefaultDisplay().getWidth()/2;


        pop = new PopupWindow(view, width,ViewGroup.LayoutParams.WRAP_CONTENT);
        pop.setBackgroundDrawable(new BitmapDrawable());
        pop.setTouchable(true);
        pop.setOutsideTouchable(true);
        pop.setFocusable(true);

        alpha();

        View rootview = LayoutInflater.from(SetupActivity.this).inflate(R.layout.activity_user_setup,null);
        pop.showAtLocation(rootview, Gravity.CENTER,0,0);

        View.OnClickListener onclick = new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                switch (v.getId()){
                    case R.id.ppw_exit_cancle:
                        closeppw();
                        break;
                    case R.id.ppw_exit_define:
                        clearUserId(SetupActivity.this);
                        if (getUserId(SetupActivity.this).isEmpty()){
                            startActivity(new Intent(SetupActivity.this, MainActivity.class));
                        }
                        break;
                }
            }

            private void closeppw() {
                if (pop != null && pop.isShowing()){
                    pop.dismiss();
                    pop = null;
                }
            }
        };

        cancle.setOnClickListener(onclick);
        define.setOnClickListener(onclick);
    }

private void alpha() {
        WindowManager.LayoutParams lp =getWindow().getAttributes();
        lp.alpha = lpp;
        getWindow().setAttributes(lp);

        pop.setOnDismissListener(new PopupWindow.OnDismissListener() {
            @Override
            public void onDismiss() {
                WindowManager.LayoutParams lp = getWindow().getAttributes();
                lp.alpha = 1f;
                getWindow().setAttributes(lp);
            }
        });
    }