Friday, 14 November 2014

Use Third party API in Android

Create class MySSLSocketFactory.java

package com.example.authdemo;

import java.io.IOException;
import java.net.Socket;
import java.net.UnknownHostException;
import java.security.KeyManagementException;
import java.security.KeyStore;
import java.security.KeyStoreException;
import java.security.NoSuchAlgorithmException;
import java.security.UnrecoverableKeyException;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;

import javax.net.ssl.SSLContext;
import javax.net.ssl.TrustManager;
import javax.net.ssl.X509TrustManager;

import org.apache.http.conn.ssl.SSLSocketFactory;

public class MySSLSocketFactory extends SSLSocketFactory{
    SSLContext sslContext = SSLContext.getInstance("TLS");

    /**
     * @param truststore
     * @throws NoSuchAlgorithmException
     * @throws KeyManagementException
     * @throws KeyStoreException
     * @throws UnrecoverableKeyException
     */
    public MySSLSocketFactory(KeyStore truststore) throws NoSuchAlgorithmException,
            KeyManagementException, KeyStoreException, UnrecoverableKeyException {
        super(truststore);

        TrustManager tm = new X509TrustManager() {
            public void checkClientTrusted(X509Certificate[] chain, String authType)
                    throws CertificateException {
            }

            public void checkServerTrusted(X509Certificate[] chain, String authType)
                    throws CertificateException {
            }

            public X509Certificate[] getAcceptedIssuers() {
                return null;
            }
        };

        sslContext.init(null, new TrustManager[] {
            tm
        }, null);
    }

    @Override
    public Socket createSocket(Socket socket, String host, int port, boolean autoClose)
            throws IOException, UnknownHostException {
        return sslContext.getSocketFactory().createSocket(socket, host, port, autoClose);
    }

    @Override
    public Socket createSocket() throws IOException {
        return sslContext.getSocketFactory().createSocket();
    }

}


and MainActivity.java

package com.example.authdemo;

import java.security.KeyStore;

import org.apache.http.HttpResponse;
import org.apache.http.HttpStatus;
import org.apache.http.HttpVersion;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.methods.HttpUriRequest;
import org.apache.http.conn.ClientConnectionManager;
import org.apache.http.conn.scheme.PlainSocketFactory;
import org.apache.http.conn.scheme.Scheme;
import org.apache.http.conn.scheme.SchemeRegistry;
import org.apache.http.conn.ssl.SSLSocketFactory;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.impl.conn.tsccm.ThreadSafeClientConnManager;
import org.apache.http.params.BasicHttpParams;
import org.apache.http.params.HttpParams;
import org.apache.http.params.HttpProtocolParams;
import org.apache.http.protocol.HTTP;
import org.apache.http.util.EntityUtils;

import android.app.Activity;
import android.os.Bundle;
import android.util.Base64;
import android.util.Log;
import android.widget.TextView;

public class MainActivity extends Activity {

TextView txt;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);

txt = (TextView)findViewById(R.id.txt);
new Thread(new Runnable() {
@Override
public void run() {
String responseBody = getData("your thirdparty url");
if(responseBody != null){
// Log.e("responseBody", responseBody);
Log.i("MainActi","Response....."+responseBody);
}
}
}).start();
}
public String getData(String url) {
String responseBody = null;
HttpUriRequest request = new HttpGet(url); // Or HttpPost(), depends on your needs  
String credentials = "username:password";
String base64EncodedCredentials = Base64.encodeToString(credentials.getBytes(), Base64.NO_WRAP);  
request.addHeader("Authorization", "Basic " + base64EncodedCredentials);

HttpClient httpclient = getNewHttpClient();  
try {
HttpResponse httpResponse = httpclient.execute(request);
int code = httpResponse.getStatusLine().getStatusCode();
Log.e("responseCode ", String.valueOf(code));
if(code ==  HttpStatus.SC_OK){
responseBody = EntityUtils.toString(httpResponse.getEntity());
}
} catch (Exception e) {
e.printStackTrace();
}
return responseBody; 
}
/****
     * HTTPS
     * 
     * @return DefaultHttpClient
     */
    public static DefaultHttpClient getNewHttpClient() {
        try {
            KeyStore trustStore = KeyStore.getInstance(KeyStore.getDefaultType());
            trustStore.load(null, null);

            SSLSocketFactory sf = new MySSLSocketFactory(trustStore);
            sf.setHostnameVerifier(SSLSocketFactory.ALLOW_ALL_HOSTNAME_VERIFIER);

            HttpParams params = new BasicHttpParams();
            HttpProtocolParams.setVersion(params, HttpVersion.HTTP_1_1);
            HttpProtocolParams.setContentCharset(params, HTTP.UTF_8);

            SchemeRegistry registry = new SchemeRegistry();
            registry.register(new Scheme("http", PlainSocketFactory.getSocketFactory(), 80));
            registry.register(new Scheme("https", sf, 443));

            ClientConnectionManager ccm = new ThreadSafeClientConnManager(params, registry);

            return new DefaultHttpClient(ccm, params);
        } catch (Exception e) {
            return new DefaultHttpClient();
        }
    }
}

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