@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.billing_main);
// load game data
loadData();
/* base64EncodedPublicKey should be YOUR APPLICATION'S PUBLIC KEY
* (that you got from the Google Play developer console). This is not your
* developer public key, it's the *app-specific* public key.
*
* Instead of just storing the entire literal string here embedded in the
* program, construct the key at runtime from pieces or
* use bit manipulation (for example, XOR with some other string) to hide
* the actual key. The key itself is not secret information, but we don't
* want to make it easy for an attacker to replace the public key with one
* of their own and then fake messages from the server.
*/
String base64EncodedPublicKey =
"MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAg6EIpPnbaQ73nK3psbyxspmlEBK4cE9MpDUIS492zPg0h++6tgx7bvSKNK8COrxtDCIUE3A4XxJkLoqxGupdpYBPWdwsNGP67VMDgjLaC2TP8EQRFEHEEZFUuIaY8LPKXsP5QhfEKKFTZxHs/fav0olvVDhZ1MnB+SO6ZbRw/GmZE4ILQMIURn5bypX248OMTwDwrESqVwWKH4165SzM9VeI8/iVAsxnDDG1VfQ8Gnfi4QjyZKG5U9jRyt0iIMnV3LOhkk549Zjv3oLS7R02kcjIfigBztB4P6+MXwZ/5DlN7CKmxn+5IiTACSb4LEoPrekw0DNG+bHaxdpz/fEimQIDAQAB";
// Create the helper, passing it our context and the public key to verify signatures with
Log.d(TAG, "Creating IAB helper.");
mHelper = new IabHelper(this, base64EncodedPublicKey);
// enable debug logging (for a production application, you should set this to false).
mHelper.enableDebugLogging(true);
// Start setup. This is asynchronous and the specified listener
// will be called once setup completes.
Log.d(TAG, "Starting setup.");
mHelper.startSetup(
new IabHelper.OnIabSetupFinishedListener() {
public void onIabSetupFinished(IabResult result) {
Log.d(TAG, "Setup finished.");
if (!result.isSuccess()) {
// Oh noes, there was a problem.
complain("Problem setting up in-app billing: " + result);
return;
}
// Hooray, IAB is fully set up. Now, let's get an inventory of stuff we own.
Log.d(TAG, "Setup successful. Querying inventory.");
mHelper.queryInventoryAsync(mGotInventoryListener);
}
});
}
// User clicked the "Buy Gas" button
public void onBuyGasButtonClicked(View arg0) {
Log.d(TAG, "Buy gas button clicked.");
if (mSubscribedToInfiniteGas) {
complain("No need! You're subscribed to infinite gas. Isn't that awesome?");
return;
}
if (mTank >= TANK_MAX) {
complain("Your tank is full. Drive around a bit!");
return;
}
// launch the gas purchase UI flow.
// We will be notified of completion via mPurchaseFinishedListener
setWaitScreen(true);
Log.d(TAG, "Launching purchase flow for gas.");
/* TODO: for security, generate your payload here for verification. See the comments on
* verifyDeveloperPayload() for more info. Since this is a SAMPLE, we just use
* an empty string, but on a production app you should carefully generate this. */
String payload = "";
mHelper.launchPurchaseFlow(this, SKU_GAS, RC_REQUEST, mPurchaseFinishedListener, payload);
}
// We're being destroyed. It's important to dispose of the helper here!
@Override
public void onDestroy() {
super.onDestroy();
// very important:
Log.d(TAG, "Destroying helper.");
if (mHelper != null) mHelper.dispose();
mHelper = null;
}
// User clicked the "Upgrade to Premium" button.
public void onUpgradeAppButtonClicked(View arg0) {
Log.d(TAG, "Upgrade button clicked; launching purchase flow for upgrade.");
setWaitScreen(true);
/* TODO: for security, generate your payload here for verification. See the comments on
* verifyDeveloperPayload() for more info. Since this is a SAMPLE, we just use
* an empty string, but on a production app you should carefully generate this. */
String payload = "";
mHelper.launchPurchaseFlow(this, SKU_PREMIUM, RC_REQUEST, mPurchaseFinishedListener, payload);
}
// "Subscribe to infinite gas" button clicked. Explain to user, then start purchase
// flow for subscription.
public void onInfiniteGasButtonClicked(View arg0) {
if (!mHelper.subscriptionsSupported()) {
complain("Subscriptions not supported on your device yet. Sorry!");
return;
}
/* TODO: for security, generate your payload here for verification. See the comments on
* verifyDeveloperPayload() for more info. Since this is a SAMPLE, we just use
* an empty string, but on a production app you should carefully generate this. */
String payload = "";
setWaitScreen(true);
Log.d(TAG, "Launching purchase flow for infinite gas subscription.");
mHelper.launchPurchaseFlow(
this,
SKU_INFINITE_GAS,
IabHelper.ITEM_TYPE_SUBS,
RC_REQUEST,
mPurchaseFinishedListener,
payload);
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
Log.d(TAG, "onActivityResult(" + requestCode + "," + resultCode + "," + data);
// Pass on the activity result to the helper for handling
if (!mHelper.handleActivityResult(requestCode, resultCode, data)) {
// not handled, so handle it ourselves (here's where you'd
// perform any handling of activity results not related to in-app
// billing...
super.onActivityResult(requestCode, resultCode, data);
} else {
Log.d(TAG, "onActivityResult handled by IABUtil.");
}
}
public void onQueryInventoryFinished(IabResult result, Inventory inventory) {
Log.d(TAG, "Query inventory finished.");
if (result.isFailure()) {
complain("Failed to query inventory: " + result);
return;
}
Log.d(TAG, "Query inventory was successful.");
/*
* Check for items we own. Notice that for each purchase, we check
* the developer payload to see if it's correct! See
* verifyDeveloperPayload().
*/
// Do we have the premium upgrade?
Purchase premiumPurchase = inventory.getPurchase(SKU_PREMIUM);
mIsPremium = (premiumPurchase != null && verifyDeveloperPayload(premiumPurchase));
Log.d(TAG, "User is " + (mIsPremium ? "PREMIUM" : "NOT PREMIUM"));
// Do we have the infinite gas plan?
Purchase infiniteGasPurchase = inventory.getPurchase(SKU_INFINITE_GAS);
mSubscribedToInfiniteGas =
(infiniteGasPurchase != null && verifyDeveloperPayload(infiniteGasPurchase));
Log.d(
TAG,
"User "
+ (mSubscribedToInfiniteGas ? "HAS" : "DOES NOT HAVE")
+ " infinite gas subscription.");
if (mSubscribedToInfiniteGas) mTank = TANK_MAX;
// Check for gas delivery -- if we own gas, we should fill up the tank immediately
Purchase gasPurchase = inventory.getPurchase(SKU_GAS);
if (gasPurchase != null && verifyDeveloperPayload(gasPurchase)) {
Log.d(TAG, "We have gas. Consuming it.");
mHelper.consumeAsync(inventory.getPurchase(SKU_GAS), mConsumeFinishedListener);
return;
}
updateUi();
setWaitScreen(false);
Log.d(TAG, "Initial inventory query finished; enabling main UI.");
}
public void onIabPurchaseFinished(IabResult result, Purchase purchase) {
Log.d(TAG, "Purchase finished: " + result + ", purchase: " + purchase);
if (result.isFailure()) {
complain("Error purchasing: " + result);
setWaitScreen(false);
return;
}
if (!verifyDeveloperPayload(purchase)) {
complain("Error purchasing. Authenticity verification failed.");
setWaitScreen(false);
return;
}
Log.d(TAG, "Purchase successful.");
if (purchase.getSku().equals(SKU_GAS)) {
// bought 1/4 tank of gas. So consume it.
Log.d(TAG, "Purchase is gas. Starting gas consumption.");
mHelper.consumeAsync(purchase, mConsumeFinishedListener);
} else if (purchase.getSku().equals(SKU_PREMIUM)) {
// bought the premium upgrade!
Log.d(TAG, "Purchase is premium upgrade. Congratulating user.");
alert("Thank you for upgrading to premium!");
mIsPremium = true;
updateUi();
setWaitScreen(false);
} else if (purchase.getSku().equals(SKU_INFINITE_GAS)) {
// bought the infinite gas subscription
Log.d(TAG, "Infinite gas subscription purchased.");
alert("Thank you for subscribing to infinite gas!");
mSubscribedToInfiniteGas = true;
mTank = TANK_MAX;
updateUi();
setWaitScreen(false);
}
}
