Hey Guys another question!
Once again I would like to state that i am new to this and therefore my ability to understand the language Objective C and the Xcode application is limited! So Your help really and truly is appreciated greatly!
I built a countdown app that shows when a radio station is going to be going live, the countdown worked perfectly and updated in realtime once a second, then I inserted it into an "If-Statement" so that when the day of the station launch arrives the countdown disappears, but now my countdown does not update in realtime it just sits static.
The following is my code:
- (void)viewDidAppear:(BOOL)animated {
self.today = [NSDate date];
NSDateFormatter *dateformatter = [[NSDateFormatter alloc] init];
[dateformatter setDateFormat:@"MM/dd/yyyy hh:mm:ss"];
NSString *launchDay = [[NSString alloc] initWithString:@"11/26/2010 11:59:59"];
NSDate *currentDate = [dateformatter dateFromString:launchDay];
NSCalendar *gregorian = [[NSCalendar alloc] initWithCalendarIdentifier:NSGregorianCalendar];
int unitFlags = NSDayCalendarUnit | NSHourCalendarUnit | NSMinuteCalendarUnit | NSSecondCalendarUnit;
NSDateComponents *components = [gregorian components:unitFlags fromDate:today toDate:currentDate options:0];
if ([today timeIntervalSinceDate:currentDate] <= 0 ){
self.today = [NSDate date];
NSDateFormatter *dateformatter = [[NSDateFormatter alloc] init];
[dateformatter setDateFormat:@"MM/dd/yyyy hh:mm:ss"];
countdownLabel.text = [NSString stringWithFormat:@"%02d:%02d:%02d:%02d", components.day, components.hour, components.minute, components.second ];
self.timer = [NSTimer scheduledTimerWithTimeInterval:1.0 target:self selector:@selector(updateLabel) userInfo:nil repeats:YES];
[self updateLabel];
days.text = @"Days";
hours.text = @"Hours";
mins.text = @"Mins";
secs.text = @"Secs";
until.text = @"Until XtremeFM Launch!";
}
else {
countdownLabel.text =@"XtremeFM is LIVE";
}
}
Guys any help is greatly appreciated and I really hope someone out there can help me!
Thanks guys, Phil
ok here is the code for the whole .M file of the home screen
#import "XtremeFMViewController.h"
@implementation XtremeFMViewController
/* // The designated initializer. Override to perform setup that is required before the view is loaded. - (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil { if ((self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil])) { // Custom initialization } return self; } */
/* // Implement loadView to create a view hierarchy programmatically, without using a nib. - (void)loadView { } */
@synthesize countdownLabel, today, timer, todayDate, days, hours, mins, secs, until;
-(void)updateLabel { self.today = [NSDate date]; NSDateFormatter *dateformatter = [[NSDateFormatter alloc] init]; [dateformatter setDateFormat:@"MM/dd/yyyy hh:mm:ss"];
//NSString *launchDay = [[NSString alloc] initWithString:@"11/26/2010 11:59:59"];
//NSDate *currentDate = [dateformatter dateFromString:launchDay];
//NSCalendar *gregorian = [[NSCalendar alloc] initWithCalendarIdentifier:NSGregorianCalendar];
//int unitFlags = NSDayCalendarUnit | NSHourCalendarUnit | NSMinuteCalendarUnit | NSSecondCalendarUnit;
//NSDateComponents *components = [gregorian components:unitFlags fromDate:today toDate:currentDate options:0];
}
- (void)viewDidAppear:(BOOL)animated {
self.today = [NSDate date];
NSDateFormatter *dateformatter = [[NSDateFormatter alloc] init];
[dateformatter setDateFormat:@"MM/dd/yyyy hh:mm:ss"];
NSString *fathersDay = [[NSString alloc] initWithString:@"11/26/2010 11:59:59"];
NSDate *currentDate = [dateformatter dateFromString:fathersDay];
NSCalendar *gregorian = [[NSCalendar alloc] initWithCalendarIdentifier:NSGregorianCalendar];
int unitFlags = NSDayCalendarUnit | NSHourCalendarUnit | NSMinuteCalendarUnit | NSSecondCalendarUnit;
NSDateComponents *components = [gregorian components:unitFlags fromDate:today toDate:currentDate options:0];
if ([today timeIntervalSinceDate:currentDate] <= 0 ){
self.today = [NSDate date];
NSDateFormatter *dateformatter = [[NSDateFormatter alloc] init];
[dateformatter setDateFormat:@"MM/dd/yyyy hh:mm:ss"];
countdownLabel.text = [NSString stringWithFormat:@"%02d:%02d:%02d:%02d", components.day, components.hour, components.minute, components.second ];
self.timer = [NSTimer scheduledTimerWithTimeInterval:1.0 target:self selector:@selector(updateLabel) userInfo:nil repeats:YES];
[self updateLabel];
days.text = @"Days";
hours.text = @"Hours";
mins.text = @"Mins";
secs.text = @"Secs";
until.text = @"Until XtremeFM Launch!";
}
else {
countdownLabel.text =@"XtremeFM is LIVE";
}
}
(IBAction)watchLive {
self.today = [NSDate date]; NSDateFormatter *dateformatter = [[NSDateFormatter alloc] init]; [dateformatter setDateFormat:@"MM/dd/yyyy hh:mm:ss"]; NSString *launchDay = [[NSString alloc] initWithString:@"11/26/2010 11:59:00"]; NSDate *currentDate = [dateformatter dateFromString:launchDay];
//NSCalendar *gregorian = [[NSCalendar alloc] initWithCalendarIdentifier:NSGregorianCalendar]; //int unitFlags = NSDayCalendarUnit | NSHourCalendarUnit | NSMinuteCalendarUnit | NSSecondCalendarUnit; //NSDateComponents *components = [gregorian components:unitFlags fromDate:today toDate:currentDate options:0]; //countdownLabel.text = [NSString stringWithFormat:@"%02d:%02d:%02d:%02d", components.day, components.hour, components.minute, components.second ];
if ([today timeIntervalSinceDate:currentDate] >= 0 ){
NSString *webpage = @"http://xphiltestpagex.is.livestream-api.com/livestreamiphone/philtestpage/playlist.m3u8"; NSURL *nswebpage = [NSURL URLWithString:webpage]; NSURLRequest *nsurl = [NSURLRequest requestWithURL:nswebpage]; [webView loadRequest:nsurl];} else {
UIAlertView*alert = [[UIAlertView alloc] initWithTitle:@"Coming Soon" message:@"Feed goes live Friday 26th November 12:00pm" delegate:nil cancelButtonTitle:@"Dismiss" otherButtonTitles:nil]; [alert show]; [alert release];}
}
-(IBAction)requestsPage { RequestsPageViewController *move = [[RequestsPageViewController alloc]initWithNibName:nil bundle:nil]; move.modalTransitionStyle = UIModalTransitionStyleCoverVertical; [self presentModalViewController:move animated:YES]; [move release]; }
-(IBAction)twitterButton { RequestsPageViewController *move = [[RequestsPageViewController alloc]initWithNibName:nil bundle:nil]; move.modalTransitionStyle = UIModalTransitionStyleCoverVertical; [self presentModalViewController:move animated:YES]; [move release]; }
/* // Override to allow orientations other than the default portrait orientation. - (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation { // Return YES for supported orientations return (interfaceOrientation == UIInterfaceOrientationPortrait); } */
(void)didReceiveMemoryWarning { // Releases the view if it doesn't have a superview. [super didReceiveMemoryWarning];
// Release any cached data, images, etc that aren't in use. }
(void)viewDidUnload { // Release any retained subviews of the main view. // e.g. self.myOutlet = nil; }
(void)dealloc { [super dealloc]; }
@end
See I had a (BOOL)animated on the ViewDidAppear but I am not sure how to add this into the if-statement (Noob)