displayWelcomeMessage

    // [START display_welcome_message]
    private void displayWelcomeMessage() {

        // [START get_config_values]
        String welcomeMessage = mFirebaseRemoteConfig.getString(WELCOME_MESSAGE_KEY);
        String versionName = mFirebaseRemoteConfig.getString(VERSION_NAME_KEY);

        if (versionName.equals(version) && mFirebaseRemoteConfig.getBoolean(CREATE_FORCE_UPDATE_DIALOG_KEY)) {

            Log.e(TAG, "true");

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

            builder.setMessage(getResources().getString(R.string.dialog_message));
            builder.setPositiveButton("Ok", new DialogInterface.OnClickListener() {
                @Override
                public void onClick(DialogInterface dialogInterface, int i) {
                    Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(MY_APP_URL));
                    startActivity(intent);
                }
            });
            builder.setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
                @Override
                public void onClick(DialogInterface dialogInterface, int i) {
                    finish();
                }
            });

            builder.setCancelable(false);

            AlertDialog dialog = builder.create();
            dialog.show();

        } else {
            Log.e(TAG, "false");
        }
        mWelcomeTextView.setText(welcomeMessage);
    }