public long GetFileLength(Android.Net.Uri uri)
{
// returning size
long result = -1;
if (uri.Scheme.Equals("content"))
{
try
{
// Query the source to get File info
var cursor = ContentResolver.Query(uri, null, null, null, null);
// Get column index of DisplayName
int nameIndex = cursor.GetColumnIndex(OpenableColumns.Size);
// Move the cursor to the first row
cursor.MoveToFirst();
// Get file name from DisplayName column
result = cursor.GetLong(nameIndex);
// Dispose
cursor.Close();
}
catch (Exception e)
{
}
}
// If first method fails
if (result == -1)
{
var juri = new Java.Net.URI(uri.ToString());
var f = new Java.IO.File(juri);
result = f.Length();
}
// return name
return(result);
}
public byte[] imageToByteArray(Java.Net.URI imageIn, byte[] bytes)
{
Java.IO.File file = new Java.IO.File(imageIn);
FileInputStream fis = new FileInputStream(file);
ByteArrayOutputStream bos = new ByteArrayOutputStream();
byte[] buf = new byte[1024];
try
{
for (int readNum; (readNum = fis.Read(buf)) != -1;)
{
bos.Write(buf, 0, readNum);
}
}
catch (Exception)
{
throw new Exception();
}
bytes = bos.ToByteArray();
return(bytes);
}
