android Dialog&AlertDialog

Dialog dialog = new Dialog(context,R.style.AppBaseTheme);  
        
        wifiView = AppData.inflater.inflate(R.layout.wifi_ip_info_form, null);
        dialog.requestWindowFeature(Window.FEATURE_NO_TITLE);
        dialog.setContentView(wifiView); 
        /*
        Window dialogWindow = dialog.getWindow();
        //getActivity().getWindow().setFlags(WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM,
                //WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM);
 
        dialogWindow.setLayout(LayoutParams.MATCH_PARENT,LayoutParams.WRAP_CONTENT);
        dialogWindow.setGravity(Gravity.TOP);
        dialog.show();*/
        dialog.show();