title: How to run the timer in background of the application?
body: <p>I want to reduce the count down of the time. So If the user minimize app then app loading the background. How can run the timer in application background? I am using the below code. When app is minimized timer is stopped. Please help me.</p>
  
  <pre><code>        timer = [NSTimer scheduledTimerWithTimeInterval:1.0 target:self selector:@selector(timerCountDown) userInfo:nil repeats:YES];
  
  - (void)timerCountDown
  {
      if(secondsLeft &gt; 0 ) {
          secondsLeft -- ;
          hours = secondsLeft / 3600;
          minutes = (secondsLeft % 3600) / 60;
          seconds = (secondsLeft %3600) % 60;
      }
  }
  </code></pre>