boolean isNamedProcessRunning(String processName){
        if (processName == null)
            return false;

        ActivityManager manager = (ActivityManager) this.getSystemService(ACTIVITY_SERVICE);
        List<ActivityManager.RunningAppProcessInfo> processes = manager.getRunningAppProcesses();
        for (ActivityManager.RunningAppProcessInfo process : processes) {
            System.out.println("Precesso " + process.processName + " = " + processName);
            if (processName.equals(process.processName)) {
                return true;
            }
        }
        return false;
    }