On Mar 12, 6:17 pm, AuxOne <tyler.thack...@gmail.com> wrote:
> I have some Android code that can send files to my webserver using an
> HttpsUrlConnection, but when it tries to send larger files I get an
> OutOfMemory exception when opening the OutputStream. Can anyone offer
> some assistance?
I would try using the Apache HttpClient instead of HttpsURLConnection.
I'm not using https in this example, but it is supported.
My test servlet reports size and elapsed time back to the caller. It
took about two minutes to send 180M with the emulator.
package khuber.sendlargefile;
import java.io.File;
import java.io.FileInputStream;
import java.io.InputStream;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.InputStreamEntity;
import org.apache.http.impl.client.DefaultHttpClient;
import android.app.Activity;
import android.os.Bundle;
import android.os.Environment;
import android.os.Handler;
import android.util.Log;
import android.widget.TextView;
public class SendLargeFile extends Activity {
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
Sender s = new Sender();
s.start();
}
final Handler handler = new Handler();
final Runnable showMessage = new Runnable() {
public void run() {
message();
}
};
String message;
public void message() {
TextView tv = new TextView(this);
tv.setText("response=" + message);
setContentView(tv);
}
class Sender extends Thread {
public void run() {
String msg = "";
String url = "http://192.168.0.128:8080/PostDemo/
PostServlet";
File file = new
File(Environment.getExternalStorageDirectory(),
"test2.dat");
try {
HttpClient httpclient = new DefaultHttpClient();
HttpPost httppost = new HttpPost(url);
Log.i("SendLargeFile", "before send");
Log.i("SendLargeFile", "file length = " +
file.length());
InputStreamEntity reqEntity = new InputStreamEntity(
new FileInputStream(file), -1);
reqEntity.setContentType("binary/octet-stream");
reqEntity.setChunked(true);
httppost.setEntity(reqEntity);
Log.i("SendLargeFile", "before execute");
HttpResponse response = httpclient.execute(httppost);
Log.i("SendLargeFile", "response = " +
response.getStatusLine());
HttpEntity resEntity =
response.getEntity();
StringBuilder sb = new StringBuilder();
if (resEntity != null) {
byte[] buf = new byte[512];
InputStream is = resEntity.getContent();
int n = 0;
while ((n = is.read(buf)) > 0) {
sb.append(new String(buf, 0, n));
}
is.close();
resEntity.consumeContent();
}
msg = sb.toString();
} catch (Exception e) {
msg = e.toString();
}
message = msg;
handler.post(showMessage);
}
}
}
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