Tuesday 8 October 2013

Android Example with source code Upload File To Server


Upload File To Server - Android Example 
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.welcome.com/media/UploadToServer.php";// replace with your server script url
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 :
This is the script to upload the data to the 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";
}
?>


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