// </Snippet2>
private async Task InitializeExperiment()
{
// Get the current cached variation assignment for the experiment.
// <Snippet3>
var result = await StoreServicesExperimentVariation.GetCachedVariationAsync(projectId);
variation = result.ExperimentVariation;
// </Snippet3>
// Refresh the cached variation assignment if necessary.
// <Snippet4>
if (result.ErrorCode != StoreServicesEngagementErrorCode.None || result.ExperimentVariation.IsStale)
{
result = await StoreServicesExperimentVariation.GetRefreshedVariationAsync(projectId);
if (result.ErrorCode == StoreServicesEngagementErrorCode.None)
{
variation = result.ExperimentVariation;
}
}
// </Snippet4>
// Get the remote variable named "buttonText" and assign the value
// to the button.
// <Snippet5>
var buttonText = variation.GetString("buttonText", "Grey Button");
// </Snippet5>
// <Snippet6>
await button.Dispatcher.RunAsync(
Windows.UI.Core.CoreDispatcherPriority.Normal,
() =>
{
button.Content = buttonText;
});
// </Snippet6>
// Log the view event named "userViewedButton" to Dev Center.
// <Snippet7>
if (logger == null)
{
logger = StoreServicesCustomEventLogger.GetDefault();
}
logger.LogForVariation(variation, "userViewedButton");
// </Snippet7>
}
private async Task InitializeExperiment()
{
// Get the current cached variation assignment for the experiment.
var result = await StoreServicesExperimentVariation.GetCachedVariationAsync(projectId);
variation = result.ExperimentVariation;
// Check whether the cached variation assignment needs to be refreshed.
// If so, then refresh it.
if (result.ErrorCode != StoreServicesEngagementErrorCode.None || result.ExperimentVariation.IsStale)
{
result = await StoreServicesExperimentVariation.GetRefreshedVariationAsync(projectId);
// If the call succeeds, use the new result. Otherwise, use the cached value.
if (result.ErrorCode == StoreServicesEngagementErrorCode.None)
{
variation = result.ExperimentVariation;
}
}
// Get remote variables named "buttonText", "r", "g", and "b" from the variation
// assignment. If no variation assignment is available, the variables default
// to "Grey button" for the button text and grey RGB value for the button color.
var buttonText = variation.GetString("buttonText", "Grey Button");
var r = (byte)variation.GetInt32("r", 128);
var g = (byte)variation.GetInt32("g", 128);
var b = (byte)variation.GetInt32("b", 128);
// Assign button text and color.
await button.Dispatcher.RunAsync(
CoreDispatcherPriority.Normal,
() =>
{
button.Background = new SolidColorBrush(Color.FromArgb(255, r, g, b));
button.Content = buttonText;
button.Visibility = Visibility.Visible;
});
// Log the view event named "userViewedButton" to Dev Center.
if (logger == null)
{
logger = StoreServicesCustomEventLogger.GetDefault();
}
logger.LogForVariation(variation, "userViewedButton");
}
public async Task InitializeExperiment()
{
// 取得現在 cache 中的實驗參數
var result = await StoreServicesExperimentVariation.GetCachedVariationAsync(ProjectId);
variation = result.ExperimentVariation;
// 檢查如果有錯誤訊息或是否有新的參數
if (result.ErrorCode != StoreServicesEngagementErrorCode.None || result.ExperimentVariation.IsStale)
{
result = await StoreServicesExperimentVariation.GetRefreshedVariationAsync(ProjectId);
if (result.ErrorCode == StoreServicesEngagementErrorCode.None)
{
variation = result.ExperimentVariation;
}
}
//// Get the remote variable named "buttonText" and assign the value
//// to the button.
//var buttonText = variation.GetString("buttonText", "Grey Button");
//await button.Dispatcher.RunAsync(
// Windows.UI.Core.CoreDispatcherPriority.Normal,
// () =>
// {
// button.Content = buttonText;
// });
//// Log the view event named "userViewedButton" to Dev Center.
//if (logger == null)
//{
// logger = StoreServicesCustomEventLogger.GetDefault();
//}
//logger.LogForVariation(variation, "userViewedButton");
}
