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POHow to interpret server response for in-App purchase verifying receipt request?
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  1. POHow to interpret server response for in-App purchase verifying receipt request?
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    copied!<p>I am using in App purchases in my application. I am sending a request to the server for verifying the transaction receipt for the purchased product using the following method:</p> <pre><code>-(void)sendingRequestForReceipt: (SKPaymentTransaction *)transaction{ networkQueue = [ASINetworkQueue queue]; [networkQueue retain]; NSString *serverUrl = @"https://sandbox.itunes.apple.com/"; NSString *receiptStr= [Base64Encoding base64EncodingForData:(transaction.transactionReceipt) WithLineLength:0]; NSString *str = [NSString stringWithFormat:@"%@verifyReceipt", serverUrl]; NSURL *url = [NSURL URLWithString:[str stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding]]; ASIHTTPRequest *request = [[[ASIHTTPRequest alloc] initWithURL:url] autorelease]; NSDictionary* data = [NSDictionary dictionaryWithObjectsAndKeys:receiptStr,@"receipt-data", nil]; [request appendPostData: [[data JSONRepresentation] dataUsingEncoding:NSUTF8StringEncoding]]; [request setRequestMethod:@"POST"]; [request setDelegate:self]; [request setDidFinishSelector: @selector(gotReceiptResponse:)]; [networkQueue addOperation: request]; [networkQueue go]; } </code></pre> <p>After this the following gotReceiptResponse method is called:</p> <pre><code>- (void)gotReceiptResponse:(ASIHTTPRequest *)req{ NSString *response=[req responseString]; NSDictionary *jsonResp = [response JSONValue]; NSString *receiptValue = [jsonResp valueForKey:@"status"]; int receiptCheck=[receiptValue intValue]; if( receiptCheck ==0){ //mark item as purchased //show alert that item was purchased and will be downloaded UIAlertView *alert = [[UIAlertView alloc] initWithTitle :@"In-App-Purchase:" message:@"The instrumental was purchased successfully and will now be downloaded. " "Please do not close the app till download is complete" delegate :self cancelButtonTitle:@"OK"otherButtonTitles:nil]; [alert show]; [alert release]; } } </code></pre> <p>The value I get in response is for example : \u008bb\u0095\u008f\u00b1\u008e\u00c20D{\u00be"rM\u0082bc\u00d2\u009f\u00a8\u00e8\u00e8\u00a3=\u00c7\u00ca\u00adD\u00ec\u009c\u00bdFB(\u00ffN\u00ae\u00a1B\u00b7\u00dd\u00ce>\u00cd\u00ec&lt;6,Xcq"\u00d6>\u0092;\u00ecY\u00cb\u009aF)\u00a5\u00eb\u00c3\u0091m\u00e6\u00e8\u00e0\u00daQ\u00c1z\u00f7\u00c2\u00ff\u009bFH-\u00a4\u00cc\u00f4\u00f7-\u00c4|\u00aax\u00de\u00a6\u00e0\u00fbd\u00e8\u0085\u00ef\u008fJ\u00adb</p> <p>\u00e6a\u00a2\u00edz \u00bb\u00e85\u00a2\u00e4\u0087\u00b2\u0096\u00d7\u00ad\u00d0\u00ad\u00d4\u00c5\u0099\u00dd\u00e9|\u00c9\u00f8oGH\u00f7\u00ec\u00ba&amp;\u00acf\u00c6\u008f\u00d5\u00ef\u00b0\u00fd\u0090\u00ae\u0091R\u008f\u00fe\u00ed\u00e3 &amp;}.8/T$\u00a0\u00b4t\u00e4\u00f3M\u00f9`?</p> <p>and in jsonResp the value is null. So just wanted to know how can I encode this unicode string. So that I can understand what is the response I am getting and also the reason for null value in jsonResp.</p>
 

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