// 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); }
// 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); }