Je suis en train de développer une application Android et j'essaie de télécharger une image sur notre serveur du côté client. Quand je suis sur le serveur pour voir l'image, elle est corrompue (barre grise en bas) parfois. Je ne suis pas sûr de ce qui se passe. Quelqu'un peut-il m'aider à résoudre ce problème ou me diriger vers un guide sur la façon de le faire? Voici le code qui télécharge l'image:Développement Android Téléchargement d'image corrompu
try {
url = new URL(SERVER_URL);
connection = (HttpURLConnection)url.openConnection();
connection.setDoInput(true);
connection.setDoOutput(true);
connection.setUseCaches(false);
connection.setRequestMethod("POST");
connection.setRequestProperty("Connection", "Keep-Alive");
connection.setRequestProperty("Content-Type", "image/jpeg");
connection.setChunkedStreamingMode(STREAM_CHUNK_SIZE_KB * 1024);
connection.connect();
outputStream = new DataOutputStream(connection.getOutputStream());
// Write file header (userId; Id; contentId; MediaType; size)
outputStream.writeLong(mUserId);
outputStream.writeLong(mId);
outputStream.writeLong(file.getId());
outputStream.writeUTF(MediaType.getMediaType(file.getMediaType()));
outputStream.writeInt(file.getSize());
// Write file data to stream
int maxBufferSize = (8 * 1024);
FileInputStream fileInputStream = new FileInputStream(file.getImageFile());
int bytesAvailable = fileInputStream.available();
int bufferSize = Math.min(bytesAvailable, maxBufferSize);
byte[] buffer = new byte[bufferSize];
int bytesRead = fileInputStream.read(buffer, 0, bufferSize);
while (bytesRead > 0) {
outputStream.write(buffer, 0, bufferSize);
bytesAvailable = fileInputStream.available();
bufferSize = Math.min(bytesAvailable, maxBufferSize);
bytesRead = fileInputStream.read(buffer, 0, bufferSize);
}
outputStream.writeBytes("\r\n");
outputStream.flush();
// Check response
int responseCode = connection.getResponseCode();
if (responseCode == HttpURLConnection.HTTP_OK) {
uploadStatus = true;
InputStream responseStream = connection.getInputStream();
BufferedReader responseReader = new BufferedReader(new
InputStreamReader(responseStream));
char[] response = new char[4];
responseReader.read(response, 0, 4);
responseReader.close();
int responseValue = 0;
for (int b = 0; b < 4; b++) {
responseValue |= response[b] & 0xFF;
if (b < 3) {
responseValue <<= 8;
}
}
switch (responseValue) {
case SAVED_SUCCESSFULLY:
Log.d("FileUploader::upload -> Server response: Upload successful");
break;
case ERROR_SAVING_FILE:
Log.d("FileUploader::upload -> Server response: Upload failed");
break;
case FILE_MORE_THAN_ALLOWED_SIZE:
Log.d("FileUploader::upload -> Server response: Upload failed, exceeded
allowed file size");
break;
}
}
else {
Log.d("FileUploader::upload -> responseCode = " + responseCode);
checkErrorStream(connection.getErrorStream());
}
}
catch(Exception e) {
Log.e(Log.getStackTraceString(e));
}
finally {
try {
if (outputStream != null) {
outputStream.close();
}
}
catch(Exception e) {
Log.e(Log.getStackTraceString(e));
}
if (connection != null) {
connection.disconnect();
}
}