@Override
 public void onVideoGratified(VideoResponse videoResponse) {
     //Your implementation
     try {
          String itemid = StoreAssets.COIN_CURRENCY.getItemId();
          int coins = (int) Float.parseFloat(videoResponse.getCoins());
          StoreInventory.giveVirtualItem(itemid, coins);
         } catch(VirtualItemNotFoundException e) {
 public static void giveItem(String itemId, int amount) throws VirtualItemNotFoundException {
   StoreUtils.LogDebug("SOOMLA", "addCurrencyAmount is called from java!");
   StoreInventory.giveVirtualItem(itemId, amount);
 }