我已经制作了一个应用程序,可以使用PHP将照片上传到我的网络服务。 但是当我选择一张照片时,点击上传按钮,它会立即进入异常状态。我的代码出了什么问题?
public void upload (View v) {
pd = ProgressDialog.show(Fotoupload.this, "Bezig met uploaden...", "Een moment geduld alsjeblieft...", true, false);
new Thread(new Runnable() {
public void run() {
//do work
//.....
}
}).start();
HttpURLConnection connection = null;
DataOutputStream outputStream = null;
DataInputStream inputStream = null;
String pathToOurFile = finalFile.toString();
String urlServer = "http://www.xxx.nl/app/xx.php";
String lineEnd = "\r\n";
String twoHyphens = "--";
String boundary = "*****";
int serverResponseCode;
String serverResponseMessage;
int bytesRead, bytesAvailable, bufferSize;
byte[] buffer;
int maxBufferSize = 1*1024*1024;
try
{
FileInputStream fileInputStream = new FileInputStream(new File(pathToOurFile) );
URL url = new URL(urlServer);
connection = (HttpURLConnection) url.openConnection();
// Allow Inputs & Outputs
connection.setDoInput(true);
connection.setDoOutput(true);
connection.setUseCaches(false);
// Enable POST method
connection.setRequestMethod("POST");
connection.setRequestProperty("Connection", "Keep-Alive");
connection.setRequestProperty("Content-Type", "multipart/form-data;boundary="+boundary);
outputStream = new DataOutputStream( connection.getOutputStream() );
outputStream.writeBytes(twoHyphens + boundary + lineEnd);
outputStream.writeBytes("Content-Disposition: form-data; name=\"userfile\";filename=\"" + pathToOurFile +"\"" + lineEnd);
outputStream.writeBytes(lineEnd);
bytesAvailable = fileInputStream.available();
bufferSize = Math.min(bytesAvailable, maxBufferSize);
buffer = new byte[bufferSize];
// Read file
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(lineEnd);
outputStream.writeBytes(twoHyphens + boundary + twoHyphens + lineEnd);
// Responses from the server (code and message)
serverResponseCode = connection.getResponseCode();
serverResponseMessage = connection.getResponseMessage();
fileInputStream.close();
outputStream.flush();
outputStream.close();
alert.showAlertDialog(Fotoupload.this,
"Bedankt!",
"Je foto is succesvol ontvangen door onze servers. Bekijk regelmatig de site om te zien of jou foto er tussen staat!", false);
}
catch (Exception ex)
{
//Exception handling
alert.showAlertDialog(Fotoupload.this,
"Oeps!",
"Het uploaden van je foto is niet helemaal goed gegaan. Probeer het alsjeblieft opnieuw.", false);
}
pd.dismiss();
}
例外是:
08-10 16:18:38.130:W / System.err(2083):android.os.NetworkOnMainThreadException 08-10 16:18:38.140:W / System.err(2083):在android.os.StrictMode $ AndroidBlockGuardPolicy.onNetwork(StrictMode.java:1099) 08-10 16:18:38.150:W / System.err(2083):at java.net.InetAddress.lookupHostByName(InetAddress.java:391) 08-10 16:18:38.150:W / System.err(2083):at java.net.InetAddress.getAllByNameImpl(InetAddress.java:242) 08-10 16:18:38.150:W / System.err(2083):at java.net.InetAddress.getAllByName(InetAddress.java:220)
请帮我解决此错误。
谢谢!