protected override void OnCreate (Bundle savedInstanceState)
{
base.OnCreate (savedInstanceState);
SetContentView (Resource.Layout.main);
var textView = FindViewById<TextView> (Resource.Id.textView);
// create an object
var account = new Account ("Xamarin", "Corporate");
// create the serializer
var gson = new GsonBuilder ()
.SetPrettyPrinting ()
.Create ();
// serialize the object into json
var json = gson.ToJson (account);
// deserialize the json into the object
var clazz = Java.Lang.Class.FromType (typeof(Account));
var newAccount = (Account)gson.FromJson (json, clazz);
textView.Text = string.Join (System.Environment.NewLine, new [] {
json,
"Name == 'Xamarin': " + (newAccount.Name == "Xamarin"),
"Type == 'Corporate': " + (newAccount.Type == "Corporate")
});
}
protected override void OnCreate(Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
SetContentView(Resource.Layout.main);
var textView = FindViewById <TextView> (Resource.Id.textView);
// create an object
var account = new Account("Xamarin", "Corporate");
// create the serializer
var gson = new GsonBuilder()
.SetPrettyPrinting()
.Create();
// serialize the object into json
var json = gson.ToJson(account);
// deserialize the json into the object
var clazz = Java.Lang.Class.FromType(typeof(Account));
var newAccount = (Account)gson.FromJson(json, clazz);
textView.Text = string.Join(System.Environment.NewLine, new [] {
json,
"Name == 'Xamarin': " + (newAccount.Name == "Xamarin"),
"Type == 'Corporate': " + (newAccount.Type == "Corporate")
});
}
//public static string EncodeToBase64(Bitmap image, Bitmap.CompressFormat compressFormat, int quality)
//{
// System.IO.MemoryStream byteArrayOS = new System.IO.MemoryStream();
// image.Compress(compressFormat, quality, byteArrayOS);
// return Base64.encodeToString(byteArrayOS.toByteArray(), Base64.DEFAULT);
//}
//public static Bitmap decodeBase64(String input)
//{
// byte[] decodedBytes = Base64.Deco(input, 0);
// return BitmapFactory.decodeByteArray(decodedBytes, 0, decodedBytes.length);
//}
public static T Cast <T>(DataSnapshot obj) where T : class
{
HashMap map = obj.Value.JavaCast <HashMap>();
Gson gson = new GsonBuilder().Create();
string jsonObj = gson.ToJson(map);
return(JsonConvert.DeserializeObject <T>(jsonObj) as T);
}
public void OnDataChange(DataSnapshot snapshot)
{
//"Data received for user orders");
var gson = new GsonBuilder().SetPrettyPrinting().Create();
var json = gson.ToJson(snapshot.Value); // Gson extention method obj -> string
Formatted_Output("Data received for user order json ", json);
User user = JsonConvert.DeserializeObject<User>(json); //Newtonsoft.Json extention method string -> object
//now the user is a fully populated object with very little work
}
public void OnDataChange(DataSnapshot snapshot)
{
if (snapshot.Exists())
{
Gson gson = new GsonBuilder().Create();
HashMap map = snapshot.Value.JavaCast <HashMap>();
string tripdata = gson.ToJson(map);
MessagingCenter.Send <object, string>(this, "tripin", tripdata);
}
}
void IChildEventListener.OnChildAdded(DataSnapshot snapshot, string previousChildName)
{
HashMap dataHashMap = snapshot.Value.JavaCast <HashMap>();
Gson gson = new GsonBuilder().Create();
string chatItemDaataString = gson.ToJson(dataHashMap);
// Try to deserialize :
try
{
T chatItems = JsonConvert.DeserializeObject <T>(chatItemDaataString);
action("temp", chatItems);
}
catch
{
}
}
void IValueEventListener.OnDataChange(DataSnapshot snapshot)
{
string chatItemsString = snapshot.Value.ToString();
object chatItemsObject = snapshot.Value;
HashMap javaObjChatItems = snapshot.Value.JavaCast <HashMap>();
Gson gson = new GsonBuilder().SetPrettyPrinting().Create();
string chatItemDaataString = gson.ToJson(javaObjChatItems);
Dictionary <string, ChatItem> chatItems = JsonConvert.DeserializeObject <Dictionary <string, ChatItem> >(chatItemDaataString);
//// create the serializer
//var gson = new GsonBuilder()
// .SetPrettyPrinting()
// .Create();
//String mapAsJson = JsonConvert.SerializeObject(javaObjChatItems);
//Dictionary<string, ChatItem> chatItems = ObjectTypeHelper.Cast<Dictionary<string, ChatItem>>(snapshot.Value);
//Dictionary<string, ChatItem> chatItems = snapshot.Value as Dictionary<string, ChatItem>;
//snapshot.
//HashMap javaObjChatItems = snapshot.Value.JavaCast<HashMap>();
//String mapAsJson = new ObjectMapper().writeValueAsString(javaObjChatItems);
//ChatItem chatItem = ObjectTypeHelper.Cast<ChatItem>(javaObjChatItems.Get("item1"));
//Dictionary<string, ChatItem> chatItems = snapshot.GetValue(ChatItem.);
//JSON.Stringify(chatItemsObject);
//Dictionary<string, ChatItem> chatItems = JsonConvert.DeserializeObject<Dictionary<string, ChatItem>>(chatItemDaataString);
//Dictionary<string, ChatItem> chatItems = snapshot.GetValue(type of Dictionary);//JsonConvert.DeserializeObject<Dictionary<string, ChatItem>>(chatItemsString);
//GenericTypeIndicator t = new GenericTypeIndicator() { };
//NSDictionary chatItemData = snapshot.GetValue<NSDictionary>();
//string test = snapshot.Key;
//NSError error = null;
//string chatItemDaataString = NSJsonSerialization.Serialize(chatItemData, NSJsonWritingOptions.PrettyPrinted, out error).ToString();
//ChatItem chatItem = JsonConvert.DeserializeObject<ChatItem>(chatItemDaataString);
//BigSlickChatPage.messages.Add(chatItems.First().Value);
//throw new NotImplementedException();
}
void IValueEventListener.OnDataChange(DataSnapshot snapshot)
{
if (snapshot.Exists() && snapshot.HasChildren)
{
HashMap dataHashMap = snapshot.Value.JavaCast <HashMap>();
Gson gson = new GsonBuilder().Create();
string data = gson.ToJson(dataHashMap);
// Try to deserialize :
try
{
T chatItems = JsonConvert.DeserializeObject <T>(data);
action(chatItems);
}
catch
{
}
}
else
{
T item = default(T);
action(item);
}
}
