[Android]File Upload 시 Progress 보여주기

	package com.flitto.app.core.api;
	import android.content.Context;
	import android.os.AsyncTask;
	import org.apache.http.HttpResponse;
	import org.apache.http.client.HttpClient;
	import org.apache.http.client.methods.HttpPost;
	import org.apache.http.entity.mime.HttpMultipartMode;
	import org.apache.http.entity.mime.content.FileBody;
	import org.apache.http.entity.mime.content.StringBody;
	import org.apache.http.impl.client.DefaultHttpClient;
	import org.apache.http.params.BasicHttpParams;
	import org.apache.http.params.HttpConnectionParams;
	import org.apache.http.params.HttpParams;
	import org.apache.http.util.EntityUtils;
	import java.io.File;
	import java.nio.charset.Charset;
	import java.util.Map;
	public class ProgressUploadAsync extends AsyncTask<Void, Integer, String> {
	private static final String TAG = ProgressUploadAsync.class.getSimpleName();
	private static final int HTTP_OK = 200;
	private static int SOCKET_TIMEOUT_SHORT = 10000;
	private static final String FILE_PART_NAME = "Filedata";
	private Context context;
	private Map<String, String> params;
	private File file;
	private String url;
	private long totalSize;
	private HttpClient client;
	private boolean isError;
	private UploadListener uploadListener;
	public ProgressUploadAsync(Context context, String url, File data, Map<String, String> params, UploadListener uploadListener) {
	this.context = context;
	this.params = params;
	this.file = data;
	this.url = url;
	this.uploadListener = uploadListener;
	totalSize = file.length();
	}
	@Override
	protected void onPreExecute() {
	super.onPreExecute();
	HttpParams httpParams = new BasicHttpParams();
	int time = SOCKET_TIMEOUT_SHORT;
	HttpConnectionParams.setConnectionTimeout(httpParams, time);
	HttpConnectionParams.setSoTimeout(httpParams, time);
	client = new DefaultHttpClient(httpParams);
	isError = false;
	}
	@Override
	protected void onProgressUpdate(Integer... progress) {
	if (uploadListener != null) {
	uploadListener.onProgress(progress[0]);
	}
	}
	@Override
	protected String doInBackground(Void... params) {
	return upload();
	}
	private String upload() {
	String responseString = "";
	try {
	HttpPost httpPost = new HttpPost(url);
	String boundary = "123456asdfg";
	httpPost.addHeader("Connection", "Keep-Alive");
	httpPost.addHeader("Accept-Charset", "UTF-8");
	httpPost.addHeader("Content-Type", "multipart/form-data; boundary=" + boundary);
	CustomMultiPartEntity multipart = new CustomMultiPartEntity(HttpMultipartMode.BROWSER_COMPATIBLE, boundary, Charset.forName("UTF-8"), new CustomMultiPartEntity.ProgressListener() {
	@Override
	public void transferred(long transferred) {
	publishProgress((int) ((transferred / (float) totalSize) * 100));
	}
	});
	//Add parameters
	for (String strKey : params.keySet()) {
	StringBody body = new StringBody(params.get(strKey));
	multipart.addPart(strKey, body);
	}
	multipart.addPart(FILE_PART_NAME, new FileBody(file, file.getName()));
	totalSize = multipart.getContentLength();
	httpPost.setEntity(multipart);
	HttpResponse response = client.execute(httpPost);
	final int statusCode = response.getStatusLine().getStatusCode();
	responseString = EntityUtils.toString(response.getEntity());
	if (statusCode != HTTP_OK) {
	isError = true;
	}
	} catch (Exception e) {
	responseString = e.toString();
	isError = true;
	} finally {
	client.getConnectionManager().shutdown();
	}
	return responseString;
	}
	@Override
	protected void onPostExecute(String result) {
	super.onPostExecute(result);
	if (uploadListener != null) {
	if (isError) {
	uploadListener.onError(result);
	} else {
	uploadListener.onSuccess(result);
	}
	}
	}
	public interface UploadListener {
	void onSuccess(String result);
	void onError(String message);
	void onProgress(int progress);
	}
	}

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