Sunday, 4 May 2014

PayPal Integration in Android Application

Hi Friends,

Few days back i got a chance to work on Paypal for Android App, now i want to share a code snippet how to integrate PayPal in Android App to you people so, follow the below steps to integrate PayPal in your Android App :

Example:










First of all let me tell you the requirement of PayPal integration :

  1. PayPal Developer Account to test you app. (Follow the link to create a PayPal Developer Account https://developer.paypal.com/webapps/developer/applications/accounts ).
  2. PayPal Android SDK (you can download from here https://developer.paypal.com/docs/integration/mobile/android-integration-guide/ )
Steps to PayPal integration :
  • After downloading "PayPal-Android-SDK-master" extract it and navigate to "PayPal-Android-SDK-master\libs" folder from there copy all folder or jar file and put it into you project libs folder                 

  • Now Add the PayPalAndroidSDK.jar into in project properties follow the step   (Right click on PayPalAndroidSDK.jar --> Build Path --> Add to Build Path)

Now follow the code snippet:

activity_main


<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:orientation="vertical" >

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content" >

        <LinearLayout
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:orientation="vertical" >

            <ImageView
                android:id="@+id/imageView1"
                android:layout_width="wrap_content"
                android:layout_height="118dp"
                android:layout_weight="1"
                android:src="@drawable/img" />

            <LinearLayout
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_weight="1" >

                <Button
                    android:id="@+id/button1"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_weight="1"
                    android:onClick="onBuyPressed"
                    android:text="@string/buy" />

                <TextView
                    android:id="@+id/textView1"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_weight="1"
                    android:text="@string/amount2"
                    android:textAppearance="?android:attr/textAppearanceSmall" />

            </LinearLayout>

        </LinearLayout>

        <LinearLayout
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:orientation="vertical" >

            <ImageView
                android:id="@+id/imageView2"
                android:layout_width="wrap_content"
                android:layout_height="120dp"
                android:layout_weight="1"
                android:src="@drawable/img2" />

            <LinearLayout
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_weight="1" >

                <Button
                    android:id="@+id/button2"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_weight="1"
                    android:onClick="onBuyPressed"
                    android:text="@string/buy" />

                <TextView
                    android:id="@+id/textView2"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_weight="1"
                    android:text="@string/amount"
                    android:textAppearance="?android:attr/textAppearanceSmall" />

            </LinearLayout>

        </LinearLayout>

    </LinearLayout>

</LinearLayout>



MainActivity.java

package in.paypalexample;

import com.paypal.android.sdk.payments.PayPalAuthorization;
import com.paypal.android.sdk.payments.PayPalConfiguration;
import com.paypal.android.sdk.payments.PayPalFuturePaymentActivity;
import com.paypal.android.sdk.payments.PayPalPayment;
import com.paypal.android.sdk.payments.PayPalService;
import com.paypal.android.sdk.payments.PaymentActivity;
import com.paypal.android.sdk.payments.PaymentConfirmation;

import android.app.Activity;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Toast;

import org.json.JSONException;
import java.math.BigDecimal;


public class MainActivity extends Activity{

private static final String TAG = "paymentExample";
    /**
     * - Set to PaymentActivity.ENVIRONMENT_PRODUCTION to move real money.
     * 
     * - Set to PaymentActivity.ENVIRONMENT_SANDBOX to use your test credentials
     * from https://developer.paypal.com
     * 
     * - Set to PayPalConfiguration.ENVIRONMENT_NO_NETWORK to kick the tires
     * without communicating to PayPal's servers.
     */
    //private static final String CONFIG_ENVIRONMENT = PayPalConfiguration.ENVIRONMENT_NO_NETWORK;
private static final String CONFIG_ENVIRONMENT = PayPalConfiguration.ENVIRONMENT_SANDBOX;

    // note that these credentials will differ between live & sandbox environments.
    private static final String CONFIG_CLIENT_ID = "Paste Your Client Id";

    private static final int REQUEST_CODE_PAYMENT = 1;
    private static final int REQUEST_CODE_FUTURE_PAYMENT = 2;

    private static PayPalConfiguration config = new PayPalConfiguration()
            .environment(CONFIG_ENVIRONMENT)
            .clientId(CONFIG_CLIENT_ID)
            // The following are only used in PayPalFuturePaymentActivity.
            .merchantName("Hipster Store")
            .merchantPrivacyPolicyUri(Uri.parse("https://www.example.com/privacy"))
            .merchantUserAgreementUri(Uri.parse("https://www.example.com/legal"));
    
    PayPalPayment thingToBuy;


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

Intent intent = new Intent(this, PayPalService.class);
        intent.putExtra(PayPalService.EXTRA_PAYPAL_CONFIGURATION, config);
        startService(intent);

}


public void onBuyPressed(View pressed) {
        // PAYMENT_INTENT_SALE will cause the payment to complete immediately.
        // Change PAYMENT_INTENT_SALE to PAYMENT_INTENT_AUTHORIZE to only authorize payment and 
        // capture funds later.


if(pressed.getId() == R.id.button1){
thingToBuy = new PayPalPayment(new BigDecimal("8"), "USD", "Painting 1", PayPalPayment.PAYMENT_INTENT_SALE);
}else if(pressed.getId() == R.id.button2){
thingToBuy = new PayPalPayment(new BigDecimal("4"), "USD", "Painting 2", PayPalPayment.PAYMENT_INTENT_SALE);
}

        

        Intent intent = new Intent(MainActivity.this, PaymentActivity.class);

        intent.putExtra(PaymentActivity.EXTRA_PAYMENT, thingToBuy);

        startActivityForResult(intent, REQUEST_CODE_PAYMENT);
    }

    public void onFuturePaymentPressed(View pressed) {
        Intent intent = new Intent(MainActivity.this, PayPalFuturePaymentActivity.class);

        startActivityForResult(intent, REQUEST_CODE_FUTURE_PAYMENT);
    }

    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        if (requestCode == REQUEST_CODE_PAYMENT) {
            if (resultCode == Activity.RESULT_OK) {
                PaymentConfirmation confirm =
                        data.getParcelableExtra(PaymentActivity.EXTRA_RESULT_CONFIRMATION);
                if (confirm != null) {
                    try {
                        Log.i(TAG, confirm.toJSONObject().toString(4));
                        Log.i(TAG, confirm.getPayment().toJSONObject().toString(4));

                        Toast.makeText(
                                getApplicationContext(),
                                "PaymentConfirmation info received from PayPal", Toast.LENGTH_LONG)
                                .show();

                    } catch (JSONException e) {
                        Log.e(TAG, "an extremely unlikely failure occurred: ", e);
                    }
                }
            } else if (resultCode == Activity.RESULT_CANCELED) {
                Log.i(TAG, "The user canceled.");
            } else if (resultCode == PaymentActivity.RESULT_EXTRAS_INVALID) {
                Log.i(TAG,"An invalid Payment or PayPalConfiguration was submitted. Please see the docs.");
            }
        } else if (requestCode == REQUEST_CODE_FUTURE_PAYMENT) {
            if (resultCode == Activity.RESULT_OK) {
                PayPalAuthorization auth =
                        data.getParcelableExtra(PayPalFuturePaymentActivity.EXTRA_RESULT_AUTHORIZATION);
                if (auth != null) {
                    try {
                        Log.i("FuturePaymentExample", auth.toJSONObject().toString(4));

                        String authorization_code = auth.getAuthorizationCode();
                        Log.i("FuturePaymentExample", authorization_code);

                        sendAuthorizationToServer(auth);
                        Toast.makeText(
                                getApplicationContext(),
                                "Future Payment code received from PayPal", Toast.LENGTH_LONG)
                                .show();

                    } catch (JSONException e) {
                        Log.e("FuturePaymentExample", "an extremely unlikely failure occurred: ", e);
                    }
                }
            } else if (resultCode == Activity.RESULT_CANCELED) {
                Log.i("FuturePaymentExample", "The user canceled.");
            } else if (resultCode == PayPalFuturePaymentActivity.RESULT_EXTRAS_INVALID) {
                Log.i(
                        "FuturePaymentExample",
                        "Probably the attempt to previously start the PayPalService had an invalid PayPalConfiguration. Please see the docs.");
            }
        }
    }

    private void sendAuthorizationToServer(PayPalAuthorization authorization) {

    }

    public void onFuturePaymentPurchasePressed(View pressed) {
        // Get the Application Correlation ID from the SDK
        String correlationId = PayPalConfiguration.getApplicationCorrelationId(this);

        Log.i("FuturePaymentExample", "Application Correlation ID: " + correlationId);

        // TODO: Send correlationId and transaction details to your server for processing with
        // PayPal...
        Toast.makeText(
                getApplicationContext(), "App Correlation ID received from SDK", Toast.LENGTH_LONG)
                .show();
    }

    @Override
    public void onDestroy() {
        // Stop service when done
        stopService(new Intent(this, PayPalService.class));
        super.onDestroy();
    }
}



Manifest

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="in.paypalexample"
    android:versionCode="1"
    android:versionName="1.0" >

    <uses-sdk
        android:minSdkVersion="8"
        android:targetSdkVersion="8" />
    
    <!-- for card.io card scanning -->
    <uses-permission android:name="android.permission.CAMERA" />
    <uses-permission android:name="android.permission.VIBRATE" />
    
    <uses-feature android:name="android.hardware.camera" android:required="false" />
    <uses-feature android:name="android.hardware.camera.autofocus" android:required="false" />

    <!-- for most things, including card.io & paypal -->
    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>
    <uses-permission android:name="android.permission.ACCESS_WIFI_STATE"/>
    <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="in.paypalexample.MainActivity"
            android:label="@string/app_name" >
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
        
        
        <service android:name="com.paypal.android.sdk.payments.PayPalService" android:exported="false" />
        
        <activity android:name="com.paypal.android.sdk.payments.PaymentActivity" />
        <activity android:name="com.paypal.android.sdk.payments.LoginActivity" />
        <activity android:name="com.paypal.android.sdk.payments.PaymentMethodActivity" />
        <activity android:name="com.paypal.android.sdk.payments.PaymentConfirmActivity" />
        <activity android:name="com.paypal.android.sdk.payments.PayPalFuturePaymentActivity" />
        <activity android:name="com.paypal.android.sdk.payments.FuturePaymentConsentActivity" />
        <activity android:name="com.paypal.android.sdk.payments.FuturePaymentInfoActivity" />
        <activity
            android:name="io.card.payment.CardIOActivity"
            android:configChanges="keyboardHidden|orientation" />
        <activity android:name="io.card.payment.DataEntryActivity" />
        
        
    </application>


</manifest>










Download full project from here:

https://drive.google.com/file/d/0Bx3aP4dnrGznTGZlYzlRMlZKZTA/edit?usp=sharing

That's it Enjoy coding ...........