example using Timer android

Timer.java

Timer timer = new Timer();
    
    @Override
    public void onCreate()
    {
        timer.scheduleAtFixedRate(new TimerTask() {
            @Override
            public void run() {
              CallMethod();
            }
        }, 0, 24 * 60 * 60 * 1000);//repeat every 24 Hours
        
    }