Method makeDonation

android/src/org/coolreader/CoolReader.java:2137–2148

(double amount)

    	return mTotalDonations;
    }
    public boolean makeDonation(double amount) {
		final String itemName = "donation" + (amount >= 1 ? String.valueOf((int)amount) : String.valueOf(amount));
    	log.i("makeDonation is called, itemName=" + itemName);
    	if (!billingSupported)
    		return false;
    	String mPayloadContents = null;
    	String mSku = itemName;
        if (!mBillingService.requestPurchase(mSku, mPayloadContents)) {
        	showToast("Purchase is failed");
        }
    	return true;
    }
    

	private static String DONATIONS_PREF_FILE = "cr3donations";