show an alert for updating GooglePlayService

checkGooglePlayServiceVersion.java

   /**
     * Google Play 서비스 사용 불가능 에러 다이얼로그
     * */
    private Dialog mGooglePlayServiceErrorDialog = null;

    /**
     * Google Play 서비스 버전 낮아서 업데이트하러 마켓으로 보내는 다이얼로그
     * */
    private AlertDialog mGooglePlayServiceUpdateDialog = null;

private boolean checkGooglePlayServiceVersion() {
        final int resultCode = GooglePlayServicesUtil.isGooglePlayServicesAvailable(getActivity());

        switch (resultCode) {
            case ConnectionResult.SUCCESS:
                return true;

            case ConnectionResult.SERVICE_VERSION_UPDATE_REQUIRED:
                if (mGooglePlayServiceUpdateDialog == null) {
                    AlertDialog.Builder updateDialog = new AlertDialog.Builder(getActivity())
                            .setTitle("<title goes here>")
                            .setMessage("<message goes here>");
                    updateDialog.setPositiveButton("<positive button title goes here>", new DialogInterface.OnClickListener() {
                        @Override
                        public void onClick(DialogInterface dialog, int which) {
                            dialog.dismiss();
                            if (getActivity() != null)
                                startActivity(new Intent(Intent.ACTION_VIEW, Uri.parse("market://details?id=com.google.android.gms")));
                        }
                    });
                    mGooglePlayServiceUpdateDialog = updateDialog.create();
                }

                if (!mGooglePlayServiceUpdateDialog.isShowing()) {
                    mGooglePlayServiceUpdateDialog.show();
                }

                return false;

            default:
                if (mGooglePlayServiceErrorDialog == null) {
                    mGooglePlayServiceErrorDialog = GooglePlayServicesUtil.getErrorDialog(resultCode, getActivity(), REQUEST_GOOGLE_PLAY_SERVICES);
                    mGooglePlayServiceErrorDialog.setOnCancelListener(new DialogInterface.OnCancelListener() {
                        @Override
                        public void onCancel(DialogInterface dialog) {
                            dialog.dismiss();
                            getBaseActivity().finish();
                        }
                    });
                    mGooglePlayServiceErrorDialog.show();
                }

                if (!mGooglePlayServiceErrorDialog.isShowing()) {
                    mGooglePlayServiceErrorDialog.show();
                }

                return false;
        }
    }