public  List<String> getAppStateOnline() {
        List<String> logs = findLogLine(LineType.NETWORK_UNAVAILABLE);
        String str = "Change AppState to stOnline";
        for ( String log : logs )
        {
            if (!log.contains(str))
            {
                logs.remove(log);
            }
        }
        return logs;
    }

    public boolean waitAppSateOnline(int currentSize) {
        try
        {
            Log.off();
            TimeChecker tc = new TimeChecker(20, "Wait for new record \"change appState to Online\"");
            while (!tc.isElapsed()) {
                int totalSize = getAppStateChange().size();
                if (totalSize > currentSize) {
                    Log.on();
                    return true;
                }
            }
            tc.stop();
        }
        catch (Exception e) {
            Log.write("Cannot get logs count\n", e);
        }

        Log.on();
        Log.warning("After 20 seconds, log records not changed.");
        return false;
    }