android 自定义Dialog

  AlertDialog.Builder builder = new AlertDialog.Builder(this);        //问诊选择页面        final AlertDialog dialog = builder                .setView(R.layout.dialog_choose_requestpackge)                .create();        dialog.setCanceledOnTouchOutside(false);        dialog.show();        dialog.getWindow().setLayout(1210, 516);        dialog.getWindow().setBackgroundDrawable(new ColorDrawable(Color.TRANSPARENT));