private async Task GetUserActivities()
{
if (dbManager == null)
{
dbManager = await Storage.GetDatabaseManager().ConfigureAwait(false);
}
FeedSection cached = JsonConvert.DeserializeObject <FeedSection>(dbManager.CurrentUser.RemoteCreatedContentJson) ?? new FeedSection();
activities = cached.Activities ?? new List <LearningActivity>();
int removed = activities.RemoveAll(act => previouslySelected.Any((rhs) => rhs.Id == act.Id)); //remove previously selected activities
activities = activities.OrderByDescending(act => act.CreatedAt).ToList();
if (!activities.Any())
{
using (TextView header = FindViewById <TextView>(Resource.Id.headerText))
{
if (removed > 0)
{
header.SetText(Resource.String.createCollectionAddActivityHeaderNoneLeft);
}
else
{
header.SetText(Resource.String.createCollectionAddActivityHeaderNone);
}
}
}
SetupAdaptors();
// TODO enable refresh
}
public override int GetItemViewType(int section, int relativePosition, int absolutePosition)
{
FeedItem item = null;
FeedSection thisSection = Data[section];
int collsInSection = thisSection.Collections?.Count ?? 0;
int actsInSection = thisSection.Activities?.Count ?? 0;
if (collsInSection > relativePosition)
{
item = thisSection.Collections[relativePosition];
}
else if ((actsInSection + collsInSection) > relativePosition)
{
item = thisSection.Activities[relativePosition - collsInSection];
}
if (item != null)
{
if (item is LearningActivity)
{
return(Activity);
}
if (item is ActivityCollection)
{
return(Collection);
}
}
return(base.GetItemViewType(section, relativePosition, absolutePosition));
}
public bool AddFeed(string rawData, ref List <FeedMs> msFeed, int width, Shared.GetFont tFont, Shared.GetFont dFont, Shared.GetFont bFont)
{
char lastChar;
char nextChar;
TextBlobHL TextBlobHL = new TextBlobHL(bFont, "label", width);
FeedMs feedItem = null;
currentFeedSection = FeedSection.keyNone;
if (rawData.StartsWith("\"" + keyTitle + "\""))
{
feedItem = new FeedMs(new Vector2(24, 0), TextBlobHL, tFont, dFont, bFont);
string[] delimiterChars = { "\":\"", "\",\"" };
string[] fields = rawData.Split(delimiterChars, StringSplitOptions.None);
foreach (string field in fields)
{
nextChar = field[field.Length - 1];
if (currentFeedSection != FeedSection.keyNone)
{
ProcessKey(ref feedItem, field, currentFeedSection);
currentFeedSection = FeedSection.keyNone;
}
else if (field.Contains("\"" + keyTitle))
{
currentFeedSection = FeedSection.keyTitle;
}
else if (field.Contains(keyText))
{
currentFeedSection = FeedSection.keyText;
}
else if (field.Contains(keyLink))
{
currentFeedSection = FeedSection.keyLink;
}
else if (field.Contains(keyTwitter))
{
currentFeedSection = FeedSection.keyTwitter;
}
else if (field.Contains(keyDate))
{
currentFeedSection = FeedSection.keyDate;
}
lastChar = field[0];
}
msFeed.Add(feedItem);
}
return(true);
}
public override async void OnCreate(Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
// Load from cached data from the database if available,
// just in case we can't contact the server
List <FeedSection> cached = await((MainActivity)Activity).GetCachedContent(false);
// Check for recently opened activities
FeedSection recents = await LoadRecent();
if (recents != null)
{
cached.Insert(0, recents);
}
var metrics = Resources.DisplayMetrics;
var widthInDp = AndroidUtils.ConvertPixelsToDp(metrics.WidthPixels, Activity);
int cols = Math.Max(widthInDp / 300, 1);
adapter = new FeedItemsAdapter(cached, await AndroidUtils.GetDbManager().ConfigureAwait(false));
adapter.ItemClick += OnItemClick;
if (savedInstanceState != null)
{
adapter.Data = JsonConvert.DeserializeObject <List <FeedSection> >(savedInstanceState.GetString("MAIN_ADAPTER_DATA"));
adapter.NotifyDataSetChanged();
}
layoutManager = new GridLayoutManager(Activity, cols);
layoutManager.SetSpanSizeLookup(new GridSpanner(adapter, cols));
if (!AndroidUtils.IsGooglePlayServicesInstalled(Activity) || googleApiClient != null)
{
return;
}
googleApiClient = new GoogleApiClient.Builder(Activity)
.AddConnectionCallbacks(this)
.AddOnConnectionFailedListener(this)
.AddApi(LocationServices.API)
.Build();
googleApiClient?.Connect();
}
private void ProcessKey(ref FeedMs newsItem, string data, FeedSection key)
{
switch (key)
{
case FeedSection.keyTitle:
newsItem.Title = data;
; break;
case FeedSection.keyText:
newsItem.Body = data;
break;
case FeedSection.keyDate:
newsItem.DateString = data;
break;
case FeedSection.keyTwitter:;
break;
case FeedSection.keyLink:
newsItem.CreateHyperlink(HyperlinkType.URL, "\nRead more Here!", data);
break;
}
}
