defaultConfig {
    minSdkVersion 17
    compileSdkVersion 33    
}

Navigator.of(context).push(MaterialPageRoute(
    builder: (BuildContext context) => 
    
    PaypalCheckout(
        sandboxMode: true,
        clientId: "CLIENT_ID",
        secretKey: "SECRET_KEY",
        returnURL: "RETURN_URL",
        cancelURL: "CANCEL_URL",
        transactions: const [
            {
                "amount": {
                    "total": '70',
                    "currency": "USD",
                    "details": {
                        "subtotal": '70',
                        "shipping": '0',
                        "shipping_discount": 0
                    }
                },
                "description": "The payment transaction description.",
                "item_list": {
                    "items": [
                        {
                            "name": "Apple",
                            "quantity": 4,
                            "price": '5',
                            "currency": "USD"
                        },
                        {
                            "name": "Pineapple",
                            "quantity": 5,
                            "price": '10',
                            "currency": "USD"
                        }
                    ],
                    // shipping address is Optional
                    "shipping_address": {
                        "recipient_name": "Raman Singh",
                        "line1": "Delhi",
                        "line2": "",
                        "city": "Delhi",
                        "country_code": "IN",
                        "postal_code": "11001",
                        "phone": "+00000000",
                        "state": "Texas"
                    },
                }
            }
        ],
        note: "PAYMENT_NOTE",
        onSuccess: (Map params) async {
            print("onSuccess: $params");
        },
        onError: (error) {
            print("onError: $error");
            Navigator.pop(context);
        },
        onCancel: () {
            print('cancelled:');
        },
    ),

));

onSuccess: (Map params) async {
    print("onSuccess: $params");
},

onError: (error) {
    print("onError: $error");
}

onCancel: () {
    print('cancelled:');
}