IAB x Redeem in Android

In-app Billing (IAB) 以及 Redeem code system 在 Android 上的實作與 solution 介紹.

1. IAB x Redeem in Android shakalaca @ GTUG Thursday, November 8, 12
2. Shaka http://about.me/shakalaca Thursday, November 8, 12
3. http://en.wikipedia.org/wiki/Shaka Thursday, November 8, 12
4. Virgo Shaka in Saint Seiya Thursday, November 8, 12
5. Experience • was @ BenQisda • Mobile Software Engineer/Manager (UI) • BREW / Android • now @ SmarTapper & Mocharabbit • .. coding (&) monkey Thursday, November 8, 12
6. Pai Pai (ഥഥ) http://pkg.to/com.corner23.android.fourshots Thursday, November 8, 12
7. In-app Billing (IAB) Introduction Thursday, November 8, 12
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9. Overview • Google Play service • 30% of the sale price • API level 4+ (1.6+) • Types • In-app product (Managed/unmanaged) • Subscription Thursday, November 8, 12
10. Integration of IAB • Register Account • RTFM • Implement • Profit Thursday, November 8, 12
11. Register • Register developer in Google Play • Register Google Wallet for buyers • No more Google Adsense ! Thursday, November 8, 12
12. Create IAP items Thursday, November 8, 12
13. IAP item Thursday, November 8, 12
14. IAP item example Thursday, November 8, 12
15. Setup test account Thursday, November 8, 12
16. Public key Thursday, November 8, 12
17. IAB implementation Thursday, November 8, 12
18. Architecture Thursday, November 8, 12
19. Request types • CHECK_BILLING_SUPPORTED • REQUEST_PURCHASE • GET_PURCHASE_INFORMATION • CONFIRM_NOTIFICATION • RESTORE_TRANSATIONS Thursday, November 8, 12
20. Requests • MarketBillingService interface • (IMarketBillingService.aidl) • Requests sent by single IPC method (sendBillingRequest()) of the interface • Request parameters are sent as Bundle Thursday, November 8, 12
21. Binding try { boolean bindResult = mContext.bindService( new Intent("com.android.vending.billing.MarketBillingService.BIND"), this, Context.BIND_AUTO_CREATE); if (bindResult) { Log.i(TAG, "Service bind successful."); } else { Log.e(TAG, "Could not bind to the MarketBillingService."); } } catch (SecurityException e) { Log.e(TAG, "Security exception: " + e); } public void onServiceConnected(ComponentName name, IBinder service) { Log.i(TAG, "MarketBillingService connected."); mService = IMarketBillingService.Stub.asInterface(service); } Thursday, November 8, 12
22. protected Bundle makeRequestBundle(String method) { Bundle request = new Bundle(); request.putString(BILLING_REQUEST, method); request.putInt(API_VERSION, 1); request.putString(PACKAGE_NAME, getPackageName()); return request; } Request bundle Thursday, November 8, 12
23. Make request Bundle request = makeRequestBundle("REQUEST_PURCHASE"); request.putString(ITEM_ID, mProductId); // Request is for a standard in-app product request.putString(ITEM_TYPE, "inapp"); // Note that the developer payload is optional. if (mDeveloperPayload != null) { request.putString(DEVELOPER_PAYLOAD, mDeveloperPayload); } Bundle response = mService.sendBillingRequest(request); Thursday, November 8, 12
24. Responses • Every request will receive 1 synchronous response • Asynchronous response • 0 or N Thursday, November 8, 12
25. Synchronous response • RESPONSE_CODE • status of request • PURCHASE_INTENT • PendingIntent to launch checkout UI • REQUEST_ID • unique request identifier for the request Thursday, November 8, 12
26. Asynchronous response • Broadcast intents • RESPONSE_CODE • IN_APP_NOTIFY • PURCHASE_STATE_CHANGED Thursday, November 8, 12
27. Receiving asynchronous responses @Override public void onReceive(Context context, Intent intent) { String action = intent.getAction(); if (ACTION_PURCHASE_STATE_CHANGED.equals(action)) { String signedData = intent.getStringExtra(INAPP_SIGNED_DATA); String signature = intent.getStringExtra(INAPP_SIGNATURE); // Do something with the signedData and the signature. } else if (ACTION_NOTIFY.equals(action)) { String notifyId = intent.getStringExtra(NOTIFICATION_ID); // Do something with the notifyId. } else if (ACTION_RESPONSE_CODE.equals(action)) { long requestId = intent.getLongExtra(INAPP_REQUEST_ID, -1); int responseCodeIndex = intent.getIntExtra(INAPP_RESPONSE_CODE, ResponseCode.RESULT_ERROR.ordinal()); // Do something with the requestId and the responseCodeIndex. } else { Log.w(TAG, "unexpected action: " + action); } } Thursday, November 8, 12
28. Request types • CHECK_BILLING_SUPPORTED • REQUEST_PURCHASE • GET_PURCHASE_INFORMATION • CONFIRM_NOTIFICATION • RESTORE_TRANSATIONS Thursday, November 8, 12
29. Check billing supported Bundle request = makeRequestBundle("CHECK_BILLING_SUPPORTED"); Bundle response = mService.sendBillingRequest(request); Thursday, November 8, 12
30. Check billing supported • Return: RESPONSE_CODE (Sync) • RESULT_OK / RESULT_BILLING_UNAVAILABLE / RESULT_ERROR / RESULT_DEVELOPER_ERROR Thursday, November 8, 12
31. Request purchase Bundle request = makeRequestBundle("REQUEST_PURCHASE"); request.putString(ITEM_ID, mProductId); // Request is for a standard in-app product request.putString(ITEM_TYPE, "inapp"); // Note that the developer payload is optional. if (mDeveloperPayload != null) { request.putString(DEVELOPER_PAYLOAD, mDeveloperPayload); } Bundle response = mService.sendBillingRequest(request); Thursday, November 8, 12
32. Request purchase • Return: RESPONSE_CODE, PURCHASE_INTENT, REQUEST_ID (Sync) • Return: RESPONSE_CODE, IN_APP_NOTIFY (Async) Thursday, November 8, 12
33. Get purchase information Bundle request = makeRequestBundle("GET_PURCHASE_INFORMATION"); request.putLong(REQUEST_NONCE, mNonce); request.putStringArray(NOTIFY_IDS, mNotifyIds); Bundle response = mService.sendBillingRequest(request); Thursday, November 8, 12
34. Get purchase information • Return: REQUEST_CODE, REQUEST_ID (Sync) • Return: RESPONSE_CODE, PURCHASE_STATE_CHANGED Thursday, November 8, 12
35. JSON of return info { "nonce" : 1836535032137741465, "orders" : [{ "notificationId" : "android.test.purchased", "orderId" : "transactionId.android.test.purchased", "packageName" : "com.example.dungeons", "productId" : "android.test.purchased", "developerPayload" : "bGoa+V7g/yqDXvKRqq+JTFn4uQZbPiQJo4pf9RzJ", "purchaseTime" : 1290114783411, "purchaseState" : 0, "purchaseToken" : "rojeslcdyyiapnqcynkjyyjh" }] } Thursday, November 8, 12
36. Confirm notifications Bundle request = makeRequestBundle("CONFIRM_NOTIFICATIONS"); request.putStringArray(NOTIFY_IDS, mNotifyIds); Bundle response = mService.sendBillingRequest(request); Thursday, November 8, 12
37. Confirm notifications • Return: RESPONSE_CODE, REQUEST_ID (Sync) • Return: RESPONSE_CODE (Async) Thursday, November 8, 12
38. Unsolicited In-app notify Thursday, November 8, 12
39. Unsolicited In-app notify • Two cases • Multiple devices • Refunds Thursday, November 8, 12
40. Restore transactions Bundle request = makeRequestBundle("RESTORE_TRANSACTIONS"); request.putLong(REQUEST_NONCE, mNonce); Bundle response = mService.sendBillingRequest(request); Thursday, November 8, 12
41. Restore transactions • Return: RESPONSE_CODE, REQUEST_ID (Sync) • Return: RESPONSE_CODE, PURCHASE_STATE_CHANGED Thursday, November 8, 12
42. And .. • Don’t forget security ! • Signed purchased info (JSON) • Nonce Thursday, November 8, 12
43. Integration http://developer.android.com/guide/google/play/billing/ billing_integrate.html Thursday, November 8, 12
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46. requestPurchase(“SHOW_ME_THE_MONEY”) Thursday, November 8, 12
47. Android Billing Library • Full IAB implementation • Obfuscated purchases database • Unit test https://github.com/robotmedia/AndroidBillingLibrary Thursday, November 8, 12
48. <manifest> <uses-permission android:name="com.android.vending.BILLING" /> <service android:name="net.robotmedia.billing.BillingService" /> <receiver android:name="net.robotmedia.billing.BillingReceiver"> <intent-filter> <action android:name="com.android.vending.billing.IN_APP_NOTIFY" /> <action android:name="com.android.vending.billing.RESPONSE_CODE" /> <action android:name="com.android.vending.billing.PURCHASE_STATE_CHANGED " /> </intent-filter> </receiver> </manifest> AndroidManifest.xml Thursday, November 8, 12
49. Set configuration @Override public void onCreate() { super.onCreate(); ! BillingController.setDebug(isDebug(this)); ! BillingController.setConfiguration(new BillingController.IConfiguration() { ! ! public byte[] getObfuscationSalt() { ! ! ! return new byte[] {-127, -96, -88, 77, 127, 115, 41, -90, -116, -41, 66, -53, 122, -110, 1, 73, 57, 110, 48, -116}; ! ! } ! ! public String getPublicKey() { ! ! ! return “<YOUR PUBLIC KEY>”; ! } }); } Thursday, November 8, 12
50. mBillingObserver = new AbstractBillingObserver(this) { public void onBillingChecked(boolean supported) { } public void onPurchaseStateChanged(String itemId, PurchaseState state) { } public void onRequestPurchaseResponse(String itemId, ResponseCode response) { } public void onSubscriptionChecked(boolean supported) { } }; Create observer Thursday, November 8, 12
51. Check billing support @Override public void onCreate(Bundle savedInstanceState) { // ... BillingController.registerObserver(mBillingObserver); BillingController.checkBillingSupported(this); // ... } protected void onBillingChecked(boolean supported) { if (supported) { // continue } else { showDialog(DIALOG_BILLING_NOT_SUPPORTED_ID); } } Thursday, November 8, 12
52. Request purchase BillingController.requestPurchase(this, “<PRODUCT ID>”, true, /* confirm */ null /* developer payload */ ); Thursday, November 8, 12
53. Restore transactions private void restoreTransactions() { if (!mBillingObserver.isTransactionsRestored()) { BillingController.restoreTransactions(this); Toast.makeText(this, R.string.restoring_transactions, Toast.LENGTH_LONG).show(); } } protected void onBillingChecked(boolean supported) { if (supported) { restoreTransactions(); } ... } Thursday, November 8, 12
54. Tips • Use of proguard • Remove debug trace in release build Thursday, November 8, 12
55. Redeem in Android Thursday, November 8, 12
56. .. No official solution • BoomCodes.com • Request for early access • Redeemco.de • https://github.com/thubalek/redeemco- de-rest-api Thursday, November 8, 12
57. BoomCodes Thursday, November 8, 12
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64. Redeem codes for Taipei GTUG JTTQJCRJXNJN GAR4VW92VFRR Thursday, November 8, 12
65. Q & A http://profiles.google.com/shakalaca Thursday, November 8, 12
66. Thank you Thursday, November 8, 12