public App42RewardService() { rewardName = "Golden Reward" + DateTime.Now.Millisecond; rewardService = App42API.BuildRewardService(); if (Constant.sessionId != null && Constant.sessionId != "") { rewardService.SetSessionId(Constant.sessionId); } if (Constant.adminKey != null && Constant.adminKey != "") { rewardService.SetAdminKey(Constant.adminKey); } this.InitializeComponent(); this.navigationHelper = new NavigationHelper(this); this.navigationHelper.LoadState += navigationHelper_LoadState; }