/*** Private methods ***************************************************************************************************/
/// <summary>
/// Get purchase status of application. Method controls visibility/Enable of PBarStatus, TblkPurchaseApp, and ButPurchaseApp.
/// </summary>
private async Task AppPurchaseCheck()
{
if (mainPage.boolAppPurchased)
{
// App has been purchased so hide following values and return.
PBarStatus.Visibility = Visibility.Collapsed;
TblkPurchaseApp.Visibility = Visibility.Collapsed;
LibMPC.ButtonVisibility(ButPurchaseApp, false);
}
else
{
if (mainPage.boolPurchaseCheckCompleted)
{
// App has not been purchased but purchase check done so show previous message. This occurs if User returning from another page.
PBarStatus.Visibility = Visibility.Collapsed;
LibMPC.OutputMsgError(TblkPurchaseApp, mainPage.stringPurchaseCheckOutput);
TblkPurchaseApp.Visibility = Visibility.Visible;
LibMPC.ButtonVisibility(ButPurchaseApp, true);
}
else
{
// App has not been purchased so do purchase check.
LibMPC.OutputMsgBright(TblkPurchaseApp, "Application purchase check in progress...");
PBarStatus.Foreground = LibMPC.colorError; // Set color PBarStatus from default.
PBarStatus.Visibility = Visibility.Visible;
PBarStatus.IsIndeterminate = true;
EnablePageItems(false);
mainPage.boolAppPurchased = await LibMPC.AppPurchaseStatusAsync(mainPage.applicationDataContainer, mainPage.ds_BoolAppPurchased);
if (mainPage.boolAppPurchased)
{
LibMPC.OutputMsgSuccess(TblkPurchaseApp, LibMPC.stringAppPurchaseResult);
LibMPC.ButtonVisibility(ButPurchaseApp, false);
}
else
{
LibMPC.OutputMsgError(TblkPurchaseApp, LibMPC.stringAppPurchaseResult);
LibMPC.ButtonVisibility(ButPurchaseApp, true);
}
PBarStatus.IsIndeterminate = false;
PBarStatus.Visibility = Visibility.Collapsed;
mainPage.boolPurchaseCheckCompleted = true;
mainPage.stringPurchaseCheckOutput = TblkPurchaseApp.Text;
EnablePageItems(true);
}
}
}
