public void RegisterBGTask(BGTaskKey key, IBackgroundTrigger trigger, IEnumerable <SystemConditionType> condition)
{
var taskRegistered = false;
foreach (var tsk in BackgroundTaskRegistration.AllTasks)
{
if (tsk.Value.Name == key.GetTaskName())
{
taskRegistered = true;
break;
}
}
if (taskRegistered)
{
return;
}
var builder = new BackgroundTaskBuilder()
{
Name = key.GetTaskName(),
TaskEntryPoint = key.GetTaskEnty()
};
builder.SetTrigger(trigger);
foreach (var con in condition)
{
builder.AddCondition(new SystemCondition(con));
}
BackgroundTaskRegistration task = builder.Register();
}
public static string GetTaskEnty(this BGTaskKey key)
{
switch (key)
{
case BGTaskKey.UpdateDailyImageBGTask: return(UpdateDailyImageBGTaskEndPoint);
}
throw new ArgumentException();
}
public void UnRegisterBGTask(BGTaskKey key, bool cancelTask)
{
var task = BackgroundTaskRegistration.AllTasks.FirstOrDefault(t => t.Value.Name == key.GetTaskName()).Value;
if (task != null)
{
task.Unregister(cancelTask);
}
}
public bool IsBGTaskRegistered(BGTaskKey key)
{
return(BackgroundTaskRegistration.AllTasks.Any(t => t.Value.Name == key.GetTaskName()));
}