private static byte[] ReadBytesFromUri(Android.Net.Uri uri, Context context)
{
var stream = context.ContentResolver.OpenInputStream(uri);
var byteArrayStream = new Java.IO.ByteArrayOutputStream();
byte[] buffer = new byte[1024];
int i = Java.Lang.Integer.MaxValue;
while ((i = stream.Read(buffer, 0, buffer.Length)) > 0)
{
byteArrayStream.Write(buffer, 0, i);
}
var bytes = byteArrayStream.ToByteArray();
if (bytes.Length > (int)Common.CoreConstants.ImageSizeLimit)
{
return(null);
}
return(bytes);
}
public override void Write(byte[] buffer, int offset, int count)
{
outputStream.Write(buffer, offset, count);
}
/// <summary>
/// 解压缩字符串(ICSharpCode.SharpZipLib版)
/// </summary>
/// <param name="input"></param>
/// <returns></returns>
public static string _Decompress(string input)
{
string result = string.Empty;
byte[] buffer = Convert.FromBase64String(input);
Java.IO.ByteArrayOutputStream _out = new Java.IO.ByteArrayOutputStream();
System.IO.Stream inputStream = new MemoryStream(buffer);
GZIPInputStream gzip = new GZIPInputStream(inputStream);
byte[] buff = new byte[256];
int n = 0;
while ((n = gzip.Read(buffer)) >= 0)
{
_out.Write(buffer, 0, n);
}
return _out.ToString();
}