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SDK Free - Android

Contents

  1. 1 Introduction
  2. 2 Sample Code demonstrating the use of the adFetch API
    1. 2.1 Approach
    2. 2.2 Creating a transparent WebView for serving ads
    3. 2.3 Sample Code demonstrating how to request a vdobanner of size 320 X 75 from the Vdopia Server.
  3. 3 Requesting other ad formats from Vdopia Server

Introduction

iVdopia's Rich ads can be served inside the applications without having the need to integrate native SDKs. This powerful feature is available by adding just a few lines of code inside the application. 

Please refer the following document to understand the meaning of different parameters that can be passed.SDK Free Integration

Sample Code demonstrating the use of the adFetch API

Approach

  1. Send a request to the file adFetch.php on Vdopia Server and extract the output from the call in the form of an xhtml 
  2. Parse the output to find if a valid ad is returned. 
  3. If an ad is returned, load the ad inside a transparent WebView. 
  4. Else, resume the normal operation of the application or request an ad from another provider.

Creating a transparent WebView for serving ads

(Adds a webview of size 320X75 to the top of the parent view ). 
The following section demonstrates how to create a webView using the layout XML.

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

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

    android:orientation="vertical"

    android:layout_width="fill_parent"

    android:layout_height="fill_parent">

    <WebView android:id="@+id/webview" 

    android:layout_width="320px" 

    android:layout_height="75px"

    android:layout_alignParentTop="true"> 

    </WebView>

</RelativeLayout>


To add the webView to the bottom of the parent view, change the property of alignment

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

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

    android:orientation="vertical"

    android:layout_width="fill_parent"

    android:layout_height="fill_parent">

    <WebView android:id="@+id/webview" 

    android:layout_width="320px" 

    android:layout_height="75px"

    android:layout_alignParentBottom="true"> 

    </WebView>

</RelativeLayout>


To create a full page webView , add the following

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

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

    android:orientation="vertical"

    android:layout_width="fill_parent"

    android:layout_height="fill_parent">

    <WebView android:id="@+id/webview" 

    android:layout_width="wrap_content" 

    android:layout_height="wrap_content"> 

    </WebView>

</RelativeLayout>


To add transparency and add other properties add the following section of code.

// Get the handle to the webView

webView = (WebView)findViewById(R.id.webview);

webView.getSettings().setJavaScriptEnabled(true);

webView.getSettings().setBuiltInZoomControls(true);

webView.setBackgroundColor(0);

Sample Code demonstrating how to request a vdobanner of size 320 X 75 from the Vdopia Server.

  • Creating the URL request with appropriate parameters and sending to the server. Please refer to document for understanding the meaning of the parameters and their suggested usage. SDK Free Integration

URL requestURL = null;

String AD_FETCH_URI = new String("http://serve.vdopia.com/adserver/html5/adFetch/?output=xhtml&container=androidWeb");


public void constructRequest()

{

try

{

String strUrl = new String(AD_FETCH_URI);

String adType = "vdobanner"; // Change this type according to the ad type required

String key = "AX123"; // Your API key goes here

String location = "locbot"; // Set locbot = 1, which means that the video banner will expand from bottom to top, setting it to 0 means the reverse.

String formatted = new String(String.format("%s&caller=vdosdk&adFormat=%s&ak=%s&version=1.0&fullscreen=1&showClose=0&vdo=1&locbot=1",strUrl,adType, key ));

strUrl = new String(formatted);

// Create the URL

try

{

requestURL = new URL(formatted);

}

catch ( MalformedURLException e) 

{ 

System.out.println("Bad URL: " + requestURL); 

} 

}


catch(Exception e)

{

System.out.println("Exception caught "+ e);

}

    

}

  • Parsing the data received to fetch the ad and load the extracted data into the webview. 

import java.io.InputStream;

import java.net.URL;


import javax.xml.parsers.SAXParser;

import javax.xml.parsers.SAXParserFactory;


import org.xml.sax.Attributes;

import org.xml.sax.InputSource;

import org.xml.sax.SAXException;

import org.xml.sax.XMLReader;

import org.xml.sax.helpers.DefaultHandler;


public class VDOParser extends DefaultHandler 

{

boolean boFetchAd;

boolean boFoundAd;

String adData;

private AdParseEventListener adParseEventListener;

interface AdParseEventListener 

{

public void adParseStatus(Boolean status, String adData);

}

public void initParser(URL sourceURL, AdParseEventListener listener )

{

this.adParseEventListener = listener;

try

{

SAXParserFactory spf = SAXParserFactory.newInstance();

SAXParser sp = spf.newSAXParser();

XMLReader xr = sp.getXMLReader();

xr.setContentHandler(this);

xr.parse(new InputSource(sourceURL.openStream()));

}catch (Exception e) {

System.out.println("XML Parsing Exception in  initParser = " + e);

}

}

public void startDocument()

{

 

}

/** Called when tag starts */

@Override

public void startElement(String uri, String localName, String qName,

Attributes attributes) throws SAXException {


if(localName.equals("xhtml"))

{

boFetchAd = true;

adData = new String();

}

}


/** Called when tag closing */

@Override

public void endElement(String uri, String localName, String qName)

throws SAXException {


if(localName.equals("xhtml"))

{

boFetchAd = false;

boFoundAd = true;

}

}


/** Called to get tag characters */

@Override

public void characters(char[] ch, int start, int length)

throws SAXException {

if(boFetchAd == true)

{

adData = adData.concat(new String(ch, start, length));

}

}

public void endDocument() 

{

adParseEventListener.adParseStatus(boFoundAd, adData);

}

}


  • Loading the parsed data in the webView. The following section of code demonstrates the entire process if creating the webview, creating the request URL, and then loading the data in the webView.

import java.net.MalformedURLException;

import java.net.URL;


import android.app.Activity;

import android.content.Intent;

import android.graphics.Bitmap;

import android.net.Uri;

import android.os.Bundle;

import android.webkit.MimeTypeMap;

import android.webkit.WebView;

import android.webkit.WebViewClient;


import com.vdopia.android.VDOParser.AdParseEventListener;


public class SDKFreeActivity extends Activity implements AdParseEventListener{

WebView webView;

VDOParser parser;

URL requestURL = null;

String AD_FETCH_URI = new String("http://serve.vdopia.com/adserver/html5/adFetch/?output=xhtml&container=androidWeb");

static final String SCHEME_TALK2ME_REPLAY = "replay:";

static final String SCHEME_TALK2ME_GOTOAPP = "gotoapp:";

private Activity activity;

     

/** Called when the activity is first created. */

@Override

public void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.main);

        

// Storing the activity context

activity = this;

// Get the handle to the webView

webView = (WebView)findViewById(R.id.webview);

        

if(webView != null)

{

webView.setWebViewClient(new WebViewClient()

{

public void onPageStarted (WebView view, String url, Bitmap favicon) 

{ }

public void onPageFinished(WebView view, String url) 

{ }

public boolean shouldOverrideUrlLoading(WebView view, String url) 

{

if(url.startsWith(WebView.SCHEME_TEL)) {

Intent dialer = Intent.createChooser(new Intent(Intent.ACTION_DIAL, Uri.parse(url)), "Choose Dialer");

activity.startActivity(dialer);

} else if (url.startsWith(WebView.SCHEME_MAILTO)) {

Intent mailer = Intent.createChooser(new Intent(Intent.ACTION_SENDTO, Uri.parse(url)), "Send Message");

activity.startActivity(mailer);

} else if (url.startsWith(WebView.SCHEME_GEO)) {

Intent geoviewer = Intent.createChooser(new Intent(Intent.ACTION_VIEW, Uri.parse(url)), "Choose Viewer");

activity.startActivity(geoviewer);

} else if(url.startsWith("sms")) {

Intent smsIntent = new Intent(Intent.ACTION_VIEW);

smsIntent.putExtra("address", url.substring(url.indexOf(":") + 1));

smsIntent.setType("vnd.android-dir/mms-sms");

activity.startActivity(smsIntent);

}else {

String extension = MimeTypeMap.getFileExtensionFromUrl(url);

String mimeType = MimeTypeMap.getSingleton().getMimeTypeFromExtension(extension);

if(!handleMimeType(url, mimeType)){

view.loadUrl(url);

}

}

return true;

}

});

webView.getSettings().setJavaScriptEnabled(true);

webView.getSettings().setBuiltInZoomControls(true);

   

webView.setBackgroundColor(0);

   

// Create the URL request

constructRequest();

        

// Initiate the parser Object

parser = new VDOParser();

parser.initParser(requestURL, this);

}

}

    

    

// This is a callback method implemented to find out if ad was Found

public void adParseStatus(Boolean status, String adData)

{

if((status == true) && (adData != null))

{

webView.loadData(adData, "text/html", "UTF-8");

}

else

{

// Resume normal application or show ads by another provider

}

}

    

private boolean handleMimeType(String u, String mimeType){

String url = u;

if(mimeType != null && mimeType.startsWith("video/")) {

Intent videoIntent = new Intent(Intent.ACTION_VIEW);

videoIntent.setDataAndType(Uri.parse(url), mimeType);

activity.startActivity(videoIntent);

return true;

}

return false;

}

}

Special URL Handling

In order to ensure that all the links in the advertisements work properly, the function shouldOverrideUrlLoading should be implemented properly to handle the URLs.

Requesting other ad formats from Vdopia Server


In order to fetch other adformats, just change the adFormat parameter in the request.

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