swift redraw view code example
Example: obj c redraw a view 60 times a sec
[NSTimer scheduledTimerWithTimeInterval:60.0 target:self selector:@selector(reloadTable) userInfo:nil repeats:YES]; //60 sec timer
[NSTimer scheduledTimerWithTimeInterval:60.0 target:self selector:@selector(reloadTable) userInfo:nil repeats:YES]; //60 sec timer