Android Example - Upload File To Server

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In this example uploading an image from sdcard to web server.

Steps :

      1.  place an image on sdcard.
      2.  place sdcard image path and image name in UploadToServer.java. ( see below )
      3.  create a php script (UploadToServer.php) at server. ( see below )
      4.  place php script path in UploadToServer.java. ( see below )
      5.  create folder name uploads on server where you have placed php script.
      6.  give permission 777 (read/write/execute) to uploads folder.

Project Structure :

Upload Image Sdcard View :

File : AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>   <manifest xmlns:android="http://schemas.android.com/apk/res/android"       package="com.androidexample.uploadtoserver"       android:versionCode="1"       android:versionName="1.0" >           <uses-sdk           android:minSdkVersion="8"/>               <uses-permission android:name="android.permission.INTERNET"/>           <application           android:allowBackup="true"           android:icon="@drawable/ic_launcher"           android:label="@string/app_name"           android:theme="@style/AppTheme" >           <activity               android:name="com.androidexample.uploadtoserver.UploadToServer"               android:label="@string/app_name" >               <intent-filter>                   <action android:name="android.intent.action.MAIN" />                       <category android:name="android.intent.category.LAUNCHER" />               </intent-filter>           </activity>       </application>       </manifest>

File : res/layout/activity_upload_to_server.xml

<?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"      >      <Button          android:layout_width="fill_parent"          android:layout_height="wrap_content"          android:text="Click To Upload File"          android:id="@+id/uploadButton"      />              <TextView          android:layout_width="fill_parent"          android:layout_height="wrap_content"          android:text=""          android:id="@+id/messageText"          android:textColor="#000000"          android:textStyle="bold"      />   </LinearLayout>

File : src/UploadToServer.java

import java.io.DataOutputStream; import java.io.File; import java.io.FileInputStream; import java.net.HttpURLConnection; import java.net.MalformedURLException; import java.net.URL; import android.app.Activity; import android.app.ProgressDialog; import android.os.Bundle; import android.util.Log; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; import android.widget.TextView; import android.widget.Toast;    public class UploadToServer extends Activity {           TextView messageText;     Button uploadButton;     int serverResponseCode = 0;     ProgressDialog dialog = null;              String upLoadServerUri = null;           /**********  File Path *************/     final String uploadFilePath = "/mnt/sdcard/";     final String uploadFileName = "service_lifecycle.png";           @Override     public void onCreate(Bundle savedInstanceState) {                   super.onCreate(savedInstanceState);         setContentView(R.layout.activity_upload_to_server);                    uploadButton = (Button)findViewById(R.id.uploadButton);         messageText  = (TextView)findViewById(R.id.messageText);                   messageText.setText("Uploading file path :- '/mnt/sdcard/"+uploadFileName+"'");                   /************* Php script path ****************/         upLoadServerUri = "http://www.androidexample.com/media/UploadToServer.php";                   uploadButton.setOnClickListener(new OnClickListener() {                        @Override             public void onClick(View v) {                                   dialog = ProgressDialog.show(UploadToServer.this, "", "Uploading file...", true);                                   new Thread(new Runnable() {                         public void run() {                              runOnUiThread(new Runnable() {                                     public void run() {                                         messageText.setText("uploading started.....");                                     }                                 });                                                                               uploadFile(uploadFilePath + "" + uploadFileName);                                                                                }                       }).start();                        }             });     }            public int uploadFile(String sourceFileUri) {                                   String fileName = sourceFileUri;              HttpURLConnection conn = null;           DataOutputStream dos = null;            String lineEnd = "\r\n";           String twoHyphens = "--";           String boundary = "*****";           int bytesRead, bytesAvailable, bufferSize;           byte[] buffer;           int maxBufferSize = 1 * 1024 * 1024;           File sourceFile = new File(sourceFileUri);                       if (!sourceFile.isFile()) {                                dialog.dismiss();                                 Log.e("uploadFile", "Source File not exist :"                                    +uploadFilePath + "" + uploadFileName);                                 runOnUiThread(new Runnable() {                    public void run() {                        messageText.setText("Source File not exist :"                                +uploadFilePath + "" + uploadFileName);                    }                });                                 return 0;                        }           else           {                try {                                           // open a URL connection to the Servlet                    FileInputStream fileInputStream = new FileInputStream(sourceFile);                    URL url = new URL(upLoadServerUri);                                         // Open a HTTP  connection to  the URL                    conn = (HttpURLConnection) url.openConnection();                    conn.setDoInput(true); // Allow Inputs                    conn.setDoOutput(true); // Allow Outputs                    conn.setUseCaches(false); // Don't use a Cached Copy                    conn.setRequestMethod("POST");                    conn.setRequestProperty("Connection", "Keep-Alive");                    conn.setRequestProperty("ENCTYPE", "multipart/form-data");                    conn.setRequestProperty("Content-Type", "multipart/form-data;boundary=" + boundary);                    conn.setRequestProperty("uploaded_file", fileName);                                         dos = new DataOutputStream(conn.getOutputStream());                               dos.writeBytes(twoHyphens + boundary + lineEnd);                    dos.writeBytes("Content-Disposition: form-data; name="uploaded_file";filename=""                                              + fileName + """ + lineEnd);                                         dos.writeBytes(lineEnd);                               // create a buffer of  maximum size                    bytesAvailable = fileInputStream.available();                               bufferSize = Math.min(bytesAvailable, maxBufferSize);                    buffer = new byte[bufferSize];                               // read file and write it into form...                    bytesRead = fileInputStream.read(buffer, 0, bufferSize);                                            while (bytesRead > 0) {                                               dos.write(buffer, 0, bufferSize);                      bytesAvailable = fileInputStream.available();                      bufferSize = Math.min(bytesAvailable, maxBufferSize);                      bytesRead = fileInputStream.read(buffer, 0, bufferSize);                                              }                               // send multipart form data necesssary after file data...                    dos.writeBytes(lineEnd);                    dos.writeBytes(twoHyphens + boundary + twoHyphens + lineEnd);                               // Responses from the server (code and message)                    serverResponseCode = conn.getResponseCode();                    String serverResponseMessage = conn.getResponseMessage();                                          Log.i("uploadFile", "HTTP Response is : "                            + serverResponseMessage + ": " + serverResponseCode);                                         if(serverResponseCode == 200){                                                 runOnUiThread(new Runnable() {                             public void run() {                                                                   String msg = "File Upload Completed.\n\n See uploaded file here : \n\n"                                               +" http://www.androidexample.com/media/uploads/"                                               +uploadFileName;                                                                   messageText.setText(msg);                                 Toast.makeText(UploadToServer.this, "File Upload Complete.",                                              Toast.LENGTH_SHORT).show();                             }                         });                                   }                                            //close the streams //                    fileInputStream.close();                    dos.flush();                    dos.close();                                     } catch (MalformedURLException ex) {                                       dialog.dismiss();                    ex.printStackTrace();                                       runOnUiThread(new Runnable() {                       public void run() {                           messageText.setText("MalformedURLException Exception : check script url.");                           Toast.makeText(UploadToServer.this, "MalformedURLException",                                                               Toast.LENGTH_SHORT).show();                       }                   });                                       Log.e("Upload file to server", "error: " + ex.getMessage(), ex);                } catch (Exception e) {                                       dialog.dismiss();                    e.printStackTrace();                                       runOnUiThread(new Runnable() {                       public void run() {                           messageText.setText("Got Exception : see logcat ");                           Toast.makeText(UploadToServer.this, "Got Exception : see logcat ",                                   Toast.LENGTH_SHORT).show();                       }                   });                   Log.e("Upload file to server Exception", "Exception : "                                                    + e.getMessage(), e);                }               dialog.dismiss();                     return serverResponseCode;                            } // End else block          } }

Php script at server :
 
 File : UploadToServer.php

<?php        $file_path = "uploads/";           $file_path = $file_path . basename( $_FILES['uploaded_file']['name']);     if(move_uploaded_file($_FILES['uploaded_file']['tmp_name'], $file_path)) {         echo "success";     } else{         echo "fail";     }  ?>

Show uploaded image at server :

OUTPUT :-

Download full code click link Fireandroids

Check apk file in phone  :

UploadToServer.apk