/// <summary>
/// Coroutine to load a Texture2D from a URI.
/// </summary>
static public IEnumerable <Texture2D> ReadTextureEnum(Uri uri)
{
// Note!: Using `UnityWebRequestTexture`
// is preferable to `Texture2D.LoadImage`
// because it does not block the main Unity thread.
UnityWebRequest request = UnityWebRequestTexture.GetTexture(uri);
request.SendWebRequest();
while (!request.isDone)
{
yield return(null);
}
if (request.HasError())
{
throw new Exception(string.Format(
"failed to load image URI {0}: {1}",
uri, request.error));
}
Texture2D texture = DownloadHandlerTexture.GetContent(request);
yield return(texture);
}
/// <summary>
/// Coroutine to download/read all bytes from a URI into an array.
/// The URI may refer to a local file or an URL on the web.
/// </summary>
static public IEnumerable <byte[]> ReadAllBytesEnum(
Uri uri, Action <ulong, ulong> onProgress = null)
{
// Handle reading data from Android content URIs.
// For background, see: https://developer.android.com/reference/android/support/v4/content/FileProvider
if (uri.Scheme == "content")
{
byte[] data = null;
foreach (var result in ContentUriUtil.ReadAllBytesEnum(uri, onProgress))
{
data = result;
yield return(null);
}
yield return(data);
yield break;
}
ulong size = 0;
foreach (var result in GetSizeInBytesEnum(uri))
{
size = result;
yield return(null);
}
var request = new UnityWebRequest(uri);
request.downloadHandler = new DownloadHandlerBuffer();
request.SendWebRequest();
while (!request.isDone)
{
onProgress?.Invoke(request.downloadedBytes, size);
yield return(null);
}
if (request.HasError())
{
throw new Exception(string.Format(
"failed to read from {0}: {1}",
uri, request.error));
}
onProgress?.Invoke(request.downloadedBytes, size);
yield return(request.downloadHandler.data);
}
private IEnumerator PostReport(IObserver <string> observer, Dictionary <string, string> reportContents, IProgress <float> progress)
{
if (string.IsNullOrEmpty(reportUrl))
{
throw new Exception("report url is empty.");
}
UnityWebRequest webRequest = null;
switch (format)
{
case DataFormat.Form:
webRequest = UnityWebRequest.Post(reportUrl, CreateReportFormSections(reportContents));
break;
case DataFormat.Json:
webRequest = UnityWebRequest.Post(reportUrl, CreateReportJson(reportContents));
break;
}
webRequest.timeout = 30;
var operation = webRequest.SendWebRequest();
while (!operation.isDone)
{
if (progress != null)
{
progress.Report(operation.progress);
}
yield return(null);
}
var errorMessage = string.Empty;
if (webRequest.HasError())
{
errorMessage = string.Format("[{0}]{1}", webRequest.responseCode, webRequest.error);
}
observer.OnNext(errorMessage);
observer.OnCompleted();
}