/// <summary>
/// Returns information about all available applications supplemented with badge counter data and flag indicates
/// whether app was installed by current user or not.
/// </summary>
/// <param name="applicationListCb">Delegate to call on every application retrieval.</param>
public async void GetAppList(AddAppToListDelegate applicationListCb)
{
var myCert = PackageManager.GetPackage(Application.Current.ApplicationInfo.PackageId)?
.Certificates[CertificateType.Author].Signer;
IEnumerable <ApplicationInfo> installedApplications =
await ApplicationManager.GetInstalledApplicationsAsync();
foreach (ApplicationInfo tizenAppInfo in installedApplications)
{
if (tizenAppInfo.IsNoDisplay)
{
continue;
}
Package pkg;
try
{
pkg = PackageManager.GetPackage(tizenAppInfo.PackageId);
}
catch (Exception e)
{
Debug.WriteLine($"Error getting application {tizenAppInfo.ApplicationId} information: {e.Message}");
continue;
}
var appSignerCert = pkg?.Certificates[CertificateType.Author].Signer;
if (appSignerCert == null)
{
continue;
}
bool isEnabled = appSignerCert.Equals(myCert);
var appInfo = new AppInfo(
appName: tizenAppInfo.Label,
appId: tizenAppInfo.ApplicationId,
isAvailable: isEnabled,
badgeCounter: 0);
try
{
Badge badge = BadgeControl.Find(appInfo.AppId);
if (badge != null)
{
appInfo.BadgeCounter = Convert.ToDouble(badge.Count);
}
}
catch (Exception e)
{
Debug.WriteLine($"Error getting badge for {appInfo.AppId}: {e.Message}");
}
applicationListCb(appInfo);
}
}
/// <summary>
/// Returns badge for current application.
/// If current application has no badge returns null.
/// </summary>
/// <returns> Found badge </returns>
private Badge GetBadge()
{
Badge badge = null;
try
{
badge = BadgeControl.Find(applicationId);
}
catch (Exception e)
{
Log.Debug("Badges", $"Failed to find badge. {e.GetType()}, {e.Message}");
}
return(badge);
}
/// <summary>
/// Set the number of events or notifications to show on the badge.
/// </summary>
/// <param name="count">Number of events or notifications</param>
public static void SetCount(uint count)
{
if (_badge == null)
{
try
{
_badge = BadgeControl.Find(_appId);
}
catch (InvalidOperationException)
{
// An exception is thrown when the app tries to access a badge before it is added.
_badge = new Badge(_appId, count: 0, visible: true);
BadgeControl.Add(_badge);
}
}
_badge.Count = (int)count;
BadgeControl.Update(_badge);
}