in-app-billing

I am working on the IAB v3 in my android application. After every succes purchase, I want my app to send back the sign data and signature to my php server for verification by the public key generated by google developer console. I found the following code. <?php // $data and $signature are assumed to contain the data and the signature // fetch public key from certificate and ready it $fp = fopen("/src/openssl-0.9.6/demos/sign/cert.pem", "r"); $cert = fread($fp, 8192); fclose($fp); $pubkeyid = openssl_get_publickey($cert); // state whether signature is okay or not $ok = openssl_verify($data,

I'm trying to implement in-app billing to my application. I'm reading the guide on developer.android.com, looking at their example application. I started to write basic methods for check if In-App billing is supported, but when i try to call sendBillingRequest i receive the following error: 05-17 14:23:30.479: W/System.err(15332): java.lang.NullPointerException 05-17 14:23:30.489: W/System.err(15332): at resistorcalc.main.billing.BillingService.checkBilling(BillingService.java:63) 05-17 14:23:30.489: W/System.err(15332): at resistorcalc.main.SupportusActivity.onCreate(SupportusActivity.java:24

I refered google play android api to check the purchase and consumption status of an in-app item. For some orders, I can get right result,but some return the error as below: error: { errors: [ { domain: "global", reason: "purchaseTokenNotFound", message: "The purchase token was not found.", locationType: "parameter", location: "token" } ], code: 404, message: "The purchase token was not found." } Purchase token is provided by google, does it can be faked? I found if I cancel the google order, then check the purchase status,it will return the purchase token was not found. if not, i will get the

I am integrating in-app billing in my application. But, I'm facing issues in testing my app. Every time, I try to purchase an in app item. A wired message comes up The item you were attempting purchase could not be found . On Logcat, following appeared up: 09-10 14:45:02.437: E/IabHelper(12617): Launching buy intent for premium. Request code: 10001 09-10 14:45:02.523: E/Finsky(11260): [8464] FileBasedKeyValueStore.delete: Attempt to delete 'paramspXaplU_vTGhfGqvnmPPddQ' failed! 09-10 14:45:04.000: E/Volley(11260): [8448] BasicNetwork.performRequest: Unexpected response code 500 for https:/

I've implemented App-Licensing for InApp-Billing and now I'm getting Error.NOT_LICENSED and I have no idea what's wrong. The version I'm working on has not been published to the play store yet. This is the code I use to start the licensing-process: private void checkLicense(int retries) { if (retries != 5) { String publicKey = "YOUR KEY"; final CdcLicenseCheckerCallback callback = new CdcLicenseCheckerCallback(); String deviceId = mPrefsHandler.getDeviceId(); deviceId = deviceId != null ? deviceId : UUID.randomUUID().toString(); mPrefsHandler.setDeviceId(deviceId); Crashlytics.setBool("has

I'm just beginning to use the android in-app billing system. I tested the Dungeons application sample without any problems. So I'm trying to integrate in-app in my own application, but when I use declared productId or static test id, I'm getting the same error: This item could not be purchased. (Error code: IAB-DPTL) This application is already on the market. I uploaded a signed version that I also pushed on the phone (so it's the same version on both sides). I added the email wich is used on the phone as a test account. Should I activate my application ? (incurring the risk to remove the