Download a File In Android From Remote Server

Download a File In Android From Remote Server

In Your class file put add this code 

package com.facebook.samples.sessionlogin;

import java.io.DataInputStream;

import java.io.DataOutputStream;

import java.io.File;

import java.io.FileNotFoundException;

import java.io.FileOutputStream;

import java.io.IOException;

import java.net.URL;

import java.net.URLConnection;

import android.app.Activity;

import android.app.ProgressDialog;

import android.os.Bundle;

import android.view.View;

import android.view.View.OnClickListener;

import android.widget.Button; 

public class HTTPTest extends Activity {

String dwnload_file_path = "https://fbcdn-profile-a.akamaihd.net/hprofile-ak-snc6/187259_10000060421658402_744490318028_q.jpg";

    String dest_file_path = "/sdcard/dwnloaded_file.png";

    Button b1;

    ProgressDialog dialog = null;

    @Override

    public void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.main);

         

        b1 = (Button)findViewById(R.id.Button01);

        b1.setOnClickListener(new OnClickListener() {

            @Override

            public void onClick(View v) {

                 

                dialog = ProgressDialog.show(HTTPTest.this, "", "Downloading file...", true);

                 new Thread(new Runnable() {

                        public void run() {

                             downloadFile(dwnload_file_path, dest_file_path);

                        }

                      }).start();               

            }

        });

    }

     

    public void downloadFile(String url, String dest_file_path) {

          try {

              File dest_file = new File(dest_file_path);

              URL u = new URL(url);

              URLConnection conn = u.openConnection();

              int contentLength = conn.getContentLength();

              DataInputStream stream = new DataInputStream(u.openStream());

              byte[] buffer = new byte[contentLength];

              stream.readFully(buffer);

              stream.close();

              DataOutputStream fos = new DataOutputStream(new FileOutputStream(dest_file));

              fos.write(buffer);

              fos.flush();

              fos.close();

              hideProgressIndicator();

               

          } catch(FileNotFoundException e) {

              hideProgressIndicator();

              return; 

          } catch (IOException e) {

              hideProgressIndicator();

              return; 

          }

    }

     

    void hideProgressIndicator(){

        runOnUiThread(new Runnable() {

            public void run() {

                dialog.dismiss();

            }

        });  

    }

}

In your manifestation file add permission for

    

    <uses-permission android:name="android.permission.INTERNET"/>

   <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>

    <uses-permission android:name="android.permission.READ_PHONE_STATE"/>

    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>

    

In your xml file add 

<?xml version="1.0" encoding="utf-8"?>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

    android:orientation="vertical"

    android:layout_width="fill_parent"

    android:layout_height="fill_parent"

    >

<TextView 

    android:layout_width="fill_parent"

    android:layout_height="wrap_content"

    android:text="File Download Demo from Coderzheaven \n\nFile to download : http://coderzheaven.com/sample_folder/sample_file.png \n\nSaved Path : sdcard/\n"

    />

<Button

    android:text="Download File"

    android:id="@+id/Button01"

    android:layout_width="wrap_content"

    android:layout_height="wrap_content">

</Button>

</LinearLayout>

And you are good to go.........