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Custom WebView Renderer
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| using System; | |
| using Diet.iOS.CustomRenderer; | |
| using UIKit; | |
| using Xamarin.Forms; | |
| using Xamarin.Forms.Platform.iOS; | |
| using WebKit; | |
| using Foundation; | |
| using System.Net.Http; | |
| using Newtonsoft.Json; | |
| using System.Net.Http.Headers; | |
| [assembly: ExportRenderer(typeof(CustomWebView), typeof(CustomWebViewRenderer))] | |
| namespace CustomRenderer | |
| { | |
| public class CustomWebViewRenderer : WkWebViewRenderer, IWKScriptMessageHandler | |
| { | |
| public CustomWebViewRenderer() | |
| { | |
| } | |
| protected override void OnElementChanged(VisualElementChangedEventArgs e) | |
| { | |
| base.OnElementChanged(e); | |
| if (e.NewElement != null) | |
| { | |
| LoadCustomWebview(); | |
| } | |
| } | |
| async private void LoadCustomWebview() | |
| { | |
| RazorPayload payload = new RazorPayload(); | |
| payload.amount = Constant.NetPayableAmount * 100; | |
| payload.currency = "INR"; | |
| payload.receipt = GenerateRefNo(); | |
| payload.payment_capture = 1; | |
| RazorResp resp; | |
| using (var httpClient = new HttpClient()) | |
| { | |
| using (var request = new HttpRequestMessage(new HttpMethod("POST"), "https://api.razorpay.com/v1/orders")) | |
| { | |
| var plainTextBytes = Encoding.UTF8.GetBytes($"{Constants.RazorPay_Key}:{Constants.RazorPay_Secret}"); | |
| var basicAuthKey = Convert.ToBase64String(plainTextBytes); | |
| request.Headers.TryAddWithoutValidation("Authorization", $"Basic {basicAuthKey}"); | |
| string jsonData = JsonConvert.SerializeObject(payload); | |
| request.Content = new StringContent(jsonData); | |
| request.Content.Headers.ContentType = MediaTypeHeaderValue.Parse("application/json"); | |
| var response = await httpClient.SendAsync(request); | |
| string jsonResp = await response.Content.ReadAsStringAsync(); | |
| resp = JsonConvert.DeserializeObject<RazorResp>(jsonResp); | |
| } | |
| } | |
| var js = @" <body onload=""openpaymentscreen()""> | |
| <script src=""https://checkout.razorpay.com/v1/checkout.js""></script> | |
| <script> | |
| var options = { | |
| ""key"": ""@key@"", | |
| ""amount"": ""@amount@"", | |
| ""currency"": ""INR"", | |
| ""name"": ""CodeLog"", | |
| ""description"": ""AppliedCodeLog"", | |
| ""order_id"": ""@orderid@"", | |
| ""handler"": function (response){ | |
| window.webkit.messageHandlers.PaymentJSBridge.postMessage(response) | |
| }, | |
| ""modal"": { | |
| ""ondismiss"": function(){ | |
| window.webkit.messageHandlers.PaymentJSBridge.postMessage(""closed"") | |
| } | |
| }, | |
| ""prefill"": { | |
| ""name"": ""@name@"", | |
| ""email"": ""@email@"", | |
| ""contact"": ""@contact@"" | |
| }, | |
| ""config"": { | |
| ""display"": { | |
| ""hide"": [{ | |
| method: ""netbanking"" | |
| }] | |
| } | |
| }, | |
| ""notes"": { | |
| ""address"": "" address here"" | |
| }, | |
| ""theme"": { | |
| ""color"": ""#ee3a70"" | |
| } | |
| }; | |
| var rzp1 = new Razorpay(options); | |
| rzp1.on('payment.failed', function (response){ | |
| window.webkit.messageHandlers.PaymentJSBridge.postMessage(response); | |
| }); | |
| function openpaymentscreen() | |
| { | |
| rzp1.open(); | |
| } | |
| </script></body>"; | |
| //#33nine ninecc | |
| js = js.Replace("@orderid@", resp.id.ToString()); | |
| js = js.Replace("@amount@", (Constant.NetPayableAmount * 100; * 100).ToString()); | |
| js = js.Replace("@key@", Constants.RazorPay_Key); | |
| js = js.Replace("@name@", Constant.name?.ToString()); | |
| js = js.Replace("@email@", Constant.email?.ToString()); | |
| js = js.Replace("@contact@", Constant.mobileNumber?.ToString()); | |
| Configuration.Preferences.JavaScriptCanOpenWindowsAutomatically = true; | |
| Configuration.Preferences.JavaScriptEnabled = true; | |
| LoadHtmlString((NSString)js, null); | |
| var _userController = Configuration.UserContentController; | |
| _userController.AddScriptMessageHandler(this, "PaymentJSBridge"); | |
| } | |
| } | |
| public void DidReceiveScriptMessage(WKUserContentController userContentController, WKScriptMessage message) | |
| { | |
| MessagingCenter.Send("Message", "ClosePaymentPage");//call back to close the current contentpage | |
| var result = message?.Body; | |
| if (result != null && result.ToString() != new NSString("closed")) | |
| { | |
| var paymentId = result.ValueForKey(new NSString("razorpay_payment_id")); | |
| var orderId = result.ValueForKey(new NSString("razorpay_order_id")); | |
| var signatureId = result.ValueForKey(new NSString("razorpay_signature")); | |
| var error = result.ValueForKey(new NSString("error")); | |
| if (string.IsNullOrEmpty(error?.ToString())) | |
| { | |
| MessagingCenter.Send<RazorPayPaymentData>("paymentId", eventKey); | |
| } | |
| else | |
| { | |
| MessagingCenter.Send<RazorPayPaymentData>("error", eventKey); | |
| } | |
| } | |
| } | |
| public static string GenerateRefNo() | |
| { | |
| string refNo = ""; | |
| Random ran = new Random(); | |
| String b = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"; | |
| int length = 6; | |
| String random = ""; | |
| for (int i = 0; i < length; i++) | |
| { | |
| int a = ran.Next(26); | |
| random = random + b.ElementAt(a); | |
| } | |
| int d = ran.Next(100000, 999999); | |
| refNo = $"{random}{d}"; | |
| return refNo; | |
| } | |
| public class RazorPayload | |
| { | |
| public int amount { get; set; } | |
| public string currency { get; set; } | |
| public string receipt { get; set; } | |
| public int payment_capture { get; set; } | |
| } | |
| } | |
| } |
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