dialog

 AlertDialog.Builder builder=new AlertDialog.Builder(SsqBetConfirmActivity.this);

        builder.setTitle("退出提示");

        builder.setMessage("是否选择保存本次选号?");

        builder.setPositiveButton("清除", new DialogInterface.OnClickListener() {

            @Override

            public void onClick(DialogInterface dialog, int which) {

                ssqBetInfo.getSsqBetInfoItems().clear();

                edit.clear();

                edit.commit();

                finish();

            }

        });

        builder.setNegativeButton("保存", new DialogInterface.OnClickListener() {

            @Override

            public void onClick(DialogInterface dialog, int which) {

                // TODO Auto-generated method stub

                saveObject();

                finish();

            }

        });

        builder.show();