private void Send()
{
var newTweet = new Tweet {
Text = this.Text, CreatedAt = DateTime.Now, UserName = "******"
};
TweetList.Insert(0, newTweet);
Tweet = newTweet;
Text = "";
}
private async void FetchHomeTimeline(object obj)
{
if (HomeTimelineCommand.CanExecute(obj) == false)
{
return;
}
try
{
IsGettingTimeline = true;
await PopupService.Flash(Application.Current.MainWindow, "タイムライン取得中");
var tweets = (await Client.FetchHomeTimeline()).Select(tweet => new TweetControlViewModel(tweet));
if (tweets.Max(t => t?.Id) == TweetList.Max(t => t?.Id))
{
return;
}
var excepts = Enumerable.Except(tweets.Select(t => t.Id), TweetList.Select(t => t.Id));
var orderedExcepts = tweets.Where(t => excepts.Contains(t.Id)).OrderBy(t => t.Id);
foreach (var content in orderedExcepts)
{
content.SetProfileAndMediaSource();
Dispatcher.Invoke(() => TweetList.Insert(0, content));
}
}
catch (AggregateException err)
{
foreach (var ie in err.InnerExceptions)
{
throw ie;
}
}
catch (CoreTweet.TwitterException err)
{
Debug.WriteLine(err);
MessageBox.Show("Twitter API 取得制限に達しました。\r\n15分間の利用が制限されています。");
}
finally
{
IsGettingTimeline = false;
await PopupService.Flash(Application.Current.MainWindow, "タイムライン取得完了");
}
}
public MainViewModelDesign()
{
Text = "Text for a new tweet";
var now = DateTime.Now;
TweetList.Insert(0, new Tweet {
Text = "Creating a simple Twitter app for Android with MvvmQuickCross", UserName = "******", CreatedAt = now.AddSeconds(-115)
});
TweetList.Insert(0, new Tweet {
Text = "Created an Android solution with an application and a library project", UserName = "******", CreatedAt = now.AddSeconds(-63)
});
TweetList.Insert(0, new Tweet {
Text = "Added Tweet model class", UserName = "******", CreatedAt = now.AddSeconds(-45)
});
TweetList.Insert(0, new Tweet {
Text = "Added viewmodel properties and commands with code snippets", UserName = "******", CreatedAt = now.AddSeconds(-25)
});
TweetList.Insert(0, new Tweet {
Text = "Added some hardcoded design data fot the viewmodel", UserName = "******", CreatedAt = now.AddSeconds(-1)
});
}