private PopupWindow popupWindow ;

private EditText gfName;

private View popView;

private Button addGf;

protected void onCreate(Bundle savedInstanceState) {

       super.onCreate(savedInstanceState);

　　　//

　　　popView = LayoutInflater.from(getApplicationContext()).inflate(R.layout.popup_add_gf, null); 

       gfName = (EditText)popView.findViewById(R.id.gfname);

       addGf = (Button)popView.findViewById(R.id.addgf);

       // 创建PopupWindow对象

       popupWindow = new PopupWindow(popView, 600, 800); //指定高度宽度

 //        popupWindow = new PopupWindow(popView,LayoutParams.FILL_PARENT,LayoutParams.FILL_PARENT, true);//充满屏幕

       // 为弹出框设定自定义的布局

       popupWindow.setContentView(popView);

        // 使其聚焦

       popupWindow.setFocusable(true);

       // 设置允许在外点击消失

       popupWindow.setOutsideTouchable(true);

       // 这个是为了点击“返回Back”也能使其消失，并且并不会影响你的背景

       popupWindow.setBackgroundDrawable(new BitmapDrawable());

addGf.setOnClickListener(new OnClickListener() {

            @Override

            public void onClick(View v) {

                Log.i(TAG,"Button onClick");

            }

gfName.setText(addressName);