REMOTE: adjust to a protocol change: the purchase endpoint no longer …

…provides the download urls, but still needs to be called to add the app to the list of deliverables

src/main/java/com/akdeniz/googleplaycrawler/GooglePlayAPI.java

@@ -434,6 +434,11 @@ public DownloadData delivery(String packageName, int versionCode, int offerType)
 				.getAppDeliveryData();
 		return new DownloadData(this, appDeliveryData);
 	}
+
+	public DownloadData purchaseAndDeliver(String packageName, int versionCode, int offerType) throws IOException {
+		purchase(packageName, versionCode, offerType);
+		return delivery(packageName, versionCode, offerType);
+	}
 
 	/**
 	 * Posts given check-in request content and returns

src/main/java/de/onyxbits/raccoon/gplay/AppDownloadWorker.java

@@ -90,7 +90,7 @@ public AppDownloadWorker(Globals globals, DocV2 doc) {
 				DocUtil.getAppIconUrl(doc));
 		profile = globals.get(DatabaseManager.class).get(PlayProfileDao.class)
 				.get();
-		paid = true; //doc.getOffer(0).getCheckoutFlowRequired();
+		paid = doc.getOffer(0).getCheckoutFlowRequired();
 	}
 
 	@Override
@@ -171,7 +171,7 @@ public void onPrepare() throws Exception {
 		}
 		else {
 			// for apps that can be downloaded free of charge.
-			data = api.download(packageName, versionCode, offerType);
+			data = api.purchaseAndDeliver(packageName, versionCode, offerType);
 		}
 
 		this.totalBytes = data.getTotalSize();