// set FFILog.ILog implementation
FFILog.setLog(new FFILog.ILog() {
    @Override
    public void printLog(int level, String tag, String content) {
        switch (level) {
            case FFILog.ILog.ERROR:
                Log.e(tag, content);
                break;
            case FFILog.ILog.WARN:
                Log.w(tag, content);
                break;
            case FFILog.ILog.INFO:
                Log.i(tag, content);
                break;
            case FFILog.ILog.DEBUG:
                Log.d(tag, content);
                break;
            default:
                break;
        }
    }

    @Override
    public int getLogLevel() {
        return FFILog.ILog.ALL;
    }

    // If dartnative so path is custom, return so path.
    // Otherwise return null.
    @Override
    public String getCustomDartNativePath() {
        return null;
    }
});