public BTask GetBTask(SubjectTheme theme, int num)
{
string fileName = subject.ToString() + "/" + theme.Num.ToString() + @"/b/" + num.ToString() + "/" + "task.txt";
var assets = MRApplication.GetAssetManager();
try
{
using (StreamReader reader = new StreamReader(assets.Open(fileName))) {
string content = reader.ReadToEnd();
var json = JsonObject.Parse(content);
JsonObject jsonTask = json ["task"] as JsonObject;
var bTask = new BTask(num, theme, subject);
SetCommonTaskParams(jsonTask, bTask);
List <AVariant> variants = new List <AVariant> ();
bTask.Variant = jsonTask ["variant"];
return(bTask);
}
}
catch (Exception e) {
return(null);
}
}
public Drawable GetImage(string themeNum, int taskNum, string imageFileName, string taskType = "")
{
try {
var assets = MRApplication.GetAssetManager();
string fileName = subject.ToString() + "/" + themeNum + @"/" + taskType + @"/" + taskNum.ToString() + "/" + imageFileName;
using (Stream ims = assets.Open(fileName)) {
Drawable d = Drawable.CreateFromStream(ims, null);
return(d);
}
} catch (Exception) {
return(null);
}
}
private bool IsTaskExist(string fileName)
{
var assets = MRApplication.GetAssetManager();
try
{
using (StreamReader reader = new StreamReader(assets.Open(fileName))) {
return(true);
}
}
catch (Exception)
{
return(false);
}
}
public ATask GetATask(SubjectTheme theme, int num)
{
string fileName = subject.ToString() + "/" + theme.Num.ToString() + @"/a/" + num.ToString() + "/" + "task.txt";
var assets = MRApplication.GetAssetManager();
try
{
using (StreamReader reader = new StreamReader(assets.Open(fileName))) {
string content = reader.ReadToEnd();
var json = JsonObject.Parse(content);
JsonObject jsonTask = json ["task"] as JsonObject;
var aTask = new ATask(num, theme, subject);
SetCommonTaskParams(jsonTask, aTask);
List <AVariant> variants = new List <AVariant> ();
JsonArray variantsJSON = jsonTask ["vs"] as JsonArray;
foreach (var variant in variantsJSON)
{
string text = variant ["txt"];
string png = variant ["png"];
bool isRight = Boolean.Parse(variant ["right"]);
AVariant newVariant = new AVariant()
{
ImageLink = png, IsRight = isRight, Text = text
};
variants.Add(newVariant);
}
aTask.Variants = variants;
return(aTask);
}
}
catch (Exception e) {
return(null);
}
}
