Download File from remote server via URL - Android Network

Android examples for Network:URL

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Description

Download File from remote server via URL

Demo Code


//package com.java2s;
import java.io.File;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.URL;
import android.app.ProgressDialog;

public class Main {

    public static File getServerFile(String url, String dirPath,
            ProgressDialog pd) throws Exception {
        String fileName = url.substring(url.lastIndexOf("/") + 1,
                url.length());// w ww  . j  ava 2 s  .  c  o m
        URL apkUrl = new URL(url);
        File dir = new File(dirPath);
        dir.mkdirs();
        File file = null;
        if (dir.exists()) {
            file = new File(dir, fileName);
            file.createNewFile();
            HttpURLConnection conn = (HttpURLConnection) apkUrl
                    .openConnection();
            conn.setRequestMethod("GET");
            conn.setConnectTimeout(5000);
            if (conn.getResponseCode() == HttpURLConnection.HTTP_OK) {
                InputStream is = conn.getInputStream();
                pd.setMax(conn.getContentLength());
                FileOutputStream os = new FileOutputStream(file);
                int len = -1;
                int pos = 0;
                byte[] buffer = new byte[1024];
                while ((len = is.read(buffer)) != -1) {
                    os.write(buffer, 0, len);
                    pos += len;
                    pd.setProgress(pos);
                    Thread.sleep(30);
                }
                os.flush();
                os.close();
                is.close();
            }
        }

        return file;
    }
}

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