@UnityCallable public static void LogAppEvent(String params_str) { Log.v(TAG, "LogAppEvent(" + params_str + ")"); UnityParams unity_params = UnityParams.parse(params_str); Bundle parameters = new Bundle(); if (unity_params.has("parameters")) { UnityParams unity_params_parameter = unity_params.getParamsObject("parameters"); parameters = unity_params_parameter.getStringParams(); } if (unity_params.has("logPurchase")) { FB.getAppEventsLogger() .logPurchase( new BigDecimal(unity_params.getDouble("logPurchase")), Currency.getInstance(unity_params.getString("currency")), parameters); } else if (unity_params.hasString("logEvent")) { if (unity_params.has("valueToSum")) { FB.getAppEventsLogger() .logEvent( unity_params.getString("logEvent"), unity_params.getDouble("valueToSum"), parameters); } else { FB.getAppEventsLogger().logEvent(unity_params.getString("logEvent"), parameters); } } else { Log.e(TAG, "couldn't logPurchase or logEvent params: " + params_str); } }